GIGA INFORMATION GROUP INC
S-1/A, 1996-09-25
ENGINEERING, ACCOUNTING, RESEARCH, MANAGEMENT
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<PAGE>
 
     
  AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 25, 1996
                                                   
                                                REGISTRATION NO. 333-11711     
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
                                
                             AMENDMENT NO. 1     
                                       
                                    TO     
                                   FORM S-1
            REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933
 
                               ----------------
 
                         GIGA INFORMATION GROUP, INC.
            (EXACT NAME OF REGISTRANT AS SPECIFIED IN ITS CHARTER)
 
        DELAWARE                     8732                  06-1422860
     (STATE OR OTHER           (PRIMARY STANDARD        (I.R.S. EMPLOYER
     JURISDICTION OF              INDUSTRIAL         IDENTIFICATION NUMBER)
    INCORPORATION OR          CLASSIFICATION CODE
      ORGANIZATION)                 NUMBER)
 
                               ----------------
 
 ONE KENDALL SQUARE, BUILDING 1400W, CAMBRIDGE, MASSACHUSETTS 02139 (617) 577-
                                     9595
  (ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE, OF
                   REGISTRANT'S PRINCIPAL EXECUTIVE OFFICES)
 
                               ----------------
 
                               GIDEON I. GARTNER
        CHAIRMAN OF THE BOARD OF DIRECTORS AND CHIEF EXECUTIVE OFFICER
                         GIGA INFORMATION GROUP, INC.
                      ONE KENDALL SQUARE, BUILDING 1400W
                 CAMBRIDGE, MASSACHUSETTS 02139 (617) 577-9595
 
(NAME, ADDRESS, INCLUDING ZIP CODE, AND TELEPHONE NUMBER, INCLUDING AREA CODE,
                             OF AGENT FOR SERVICE)
 
                               ----------------
 
                                  Copies to:
       PAUL P. BROUNTAS, ESQ.                  GORDON H. HAYES, JR., ESQ.
        MARK G. BORDEN, ESQ.                 TESTA, HURWITZ & THIBEAULT, llp
            HALE AND DORR                           High Street Tower
           60 State Street                           125 High Street
     Boston, Massachusetts 02109               Boston, Massachusetts 02110
           (617) 526-6000                            (617) 248-7000
 
                               ----------------
 
       APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
     AS SOON AS PRACTICABLE AFTER THE EFFECTIVE DATE OF THIS REGISTRATION
                                  STATEMENT.
 
                               ----------------
 
  If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, check the following box. [_]
 
  If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, check the following box and
list the Securities Act registration statement number of the earlier effective
registration statement for the same offering.  [_] 333-
 
  If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration number of the earlier effective registration statement for the
same offering.  [_] 333-
 
  If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box. [_]
                               ----------------
       
  THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT
SHALL FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS
REGISTRATION STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH
SECTION 8(A) OF THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT
SHALL BECOME EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO
SECTION 8(A), MAY DETERMINE.
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
<PAGE>
 
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A         +
+REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE   +
+SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY  +
+OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT        +
+BECOMES EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR   +
+THE SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE      +
+SECURITIES IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE    +
+UNLAWFUL PRIOR TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF  +
+ANY SUCH STATE.                                                               +
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
                 
              Subject to Completion, dated September 25, 1996     
 
PROSPECTUS
 
                                4,000,000 SHARES
 
                                      LOGO
                                  COMMON STOCK
 
                                 -------------
 
  All of the 4,000,000 shares of Common Stock offered hereby are being sold by
Giga Information Group, Inc. ("Giga" or the "Company"). Prior to this Offering,
there has been no public market for the Common Stock. It is currently
anticipated that the initial public offering price will be between $9.00 and
$11.00 per share. See "Underwriting" for the factors to be considered in
determining the initial public offering price. The Company has applied for
inclusion of the Common Stock on the Nasdaq National Market under the symbol
"GIGX."
 
    THE SHARES OF COMMON STOCK OFFERED HEREBY INVOLVE A HIGH DEGREE OF RISK.
                    SEE "RISK FACTORS" BEGINNING AT PAGE 5.
 
                                 -------------
 
 THESE SECURITIES HAVE NOT BEEN APPROVED  OR DISAPPROVED BY THE SECURITIES  AND
  EXCHANGE  COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS   THE
   SECURITIES AND  EXCHANGE COMMISSION  OR  ANY STATE  SECURITIES  COMMISSION
    PASSED  UPON  THE   ACCURACY  OR  ADEQUACY   OF  THIS  PROSPECTUS.   ANY
     REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<TABLE>
<CAPTION>
                                     Price to Underwriting Discounts Proceeds to
                                      Public    and Commissions(1)   Company(2)
- --------------------------------------------------------------------------------
<S>                                  <C>      <C>                    <C>
Per Share..........................
- --------------------------------------------------------------------------------
Total(3)...........................
</TABLE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
(1) The Company has agreed to indemnify the Underwriters against certain
    liabilities, including liabilities under the Securities Act of 1933, as
    amended (the "Securities Act"). See "Underwriting."
(2) Before deducting estimated expenses of $1,000,000 payable by the Company.
(3) The Company has granted to the Underwriters a 30-day option to purchase up
    to an aggregate of 600,000 additional shares of Common Stock on the same
    terms and conditions set forth above, solely to cover over-allotments, if
    any. If such option is exercised in full, the total Price to Public,
    Underwriting Discounts and Commissions and Proceeds to Company will be
    $   , $    and $   , respectively. See "Underwriting."
 
                                 -------------
 
  The shares of Common Stock offered by this Prospectus are offered by the
Underwriters subject to prior sale, to withdrawal, cancellation or modification
of the offer without notice, to delivery to and acceptance by the Underwriters
and to certain other conditions. It is expected that delivery of certificates
for the shares of Common Stock will be made at the offices of Lehman Brothers
Inc., New York, New York, on or about       , 1996.
 
                                 -------------
LEHMAN BROTHERS
                            OPPENHEIMER & CO., INC.
                                                            SALOMON BROTHERS INC
 
      , 1996
<PAGE>
 
                  [graphic depiction of an internet menu bar]

              http://Welcome to GigaWeb, Your IT Decision Support
                     from Giga Information Group

        [picture of a building]  [picture of a building] [picture of a building]
          RELEVANCE SERVICES         GIGA ADVISORY              EXPERNET

                        The VIRTUAL OFFICE is your personalized command center 
                          for all Giga Advisory Service IT analysis, and other
                          functions as follows:
[LOGO]
                          SMART SEARCH - Enter a topic word or phrase in Smart
                            Search and receive immediate content plus a list of
                            related subjects to help you extract the most 
                            relevant IT analysis.

                          GIGA CONTENT - Giga's growing library of Planning
                            Assumption (PA) research documents and "idea bytes"
                            are on view. From here you can immediately 
                            download a PA, continue your search, or access
                            Forums.
 
SMART                     EXPERNET - A network of external IT practitioners
SEARCH                      helps you solve tactical problems and adds to your
                            internal IT department resources.
GIGA
CONTENT                   PARTNER CONTENT - Content from Dow Jones and Company,
                            Inc., including The Wall Street Journal Interactive,
EXPERNET                    gives you IT coverage which supplements Giga
                            analysis.

PARTNER                   
CONTENT                   KNOWLEDGE CENTER - Submit your on-line inquiry and
                            track its progress.

                          GIGABOTS - Save your defined Smart Searches as
                            Gigabots to run when you wish, when you enter your
                            Virtual Office, or continuously with email
                            modification of results.

KNOWLEDGE
CENTER                    GIGA EVENTS - Your schedule of GigaTels (audio-
                            teleconferences), local Giga briefings, and
GIGABOTS                    conferences helps you plan your peer-to-peer
                            networking activities.
GIGA EVENTS               
                          FORUMS - Initiate or participate in electronic
FORUMS                      discussion groups.

HELP                      HELP - View frequently asked questions and answers
                            about the specific area of the site you are in.


                                                 [LOGO]

            USA   UK    GERMANY    FRANCE    ITALY    JAPAN    KOREA   AUSTRALIA

                          
IN CONNECTION WITH THE OFFERING, THE UNDERWITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR MAINTAIN THE MARKET PRICE OF THE COMMON STOCK OF
THE COMPANY AT A LEVEL ABOVE THAT WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN 
MARKET. SUCH TRANSACTIONS MAY BE EFFECTED ON THE NASDAQ NATIONAL MARKET, IN THE 
OVER-THE-COUNTER MARKET OR OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE 
DISCONTINUED AT ANY TIME.

<PAGE>
 
                               PROSPECTUS SUMMARY
 
  The following summary is qualified in its entirety by the more detailed
information and the financial statements, including notes thereto, appearing
elsewhere in this Prospectus. Unless otherwise indicated, the information
contained in this Prospectus (i) assumes no exercise of the Underwriters' over-
allotment option, (ii) reflects the automatic conversion of all outstanding
shares of the Company's Series A and Series B Preferred Stock (the "Preferred
Stock") into an aggregate of 7,552,215 shares of Common Stock upon the closing
of the Offering, and (iii) has been adjusted to reflect a four-for-one stock
split of the Common Stock effected as a stock dividend in November 1995.
 
                                  THE COMPANY
   
  Giga Information Group, Inc. (the "Company") provides information, analysis
and advice relating to developments and trends in the computing,
telecommunications and related industries (collectively, the information
technology or "IT" industry). Information technologies have become increasingly
critical to the competitiveness and long-term viability of a wide range of
organizations. As a result, many of these organizations have turned to IT
"Continuous Information Services" providers, which monitor and analyze IT
developments and trends to support customers' IT decisions. The Company's
customers include: users of IT products and services; vendors of IT hardware,
software and services; and institutional and other investors in the IT
industry. These customers access the Company's services and products through a
personalized Internet-based interface, as well as through published reports and
consultation with the Company's analysts and consultants.     
 
  Giga was founded in 1995 by Gideon I. Gartner, who founded Gartner Group,
Inc. in 1979 and served as its Chairman and Chief Executive Officer for twelve
years. Building upon his extensive experience in the IT Continuous Information
Services industry, Mr. Gartner formed Giga with the objective of creating a new
approach to providing Continuous Information Services to address customers'
needs more effectively than existing IT information providers.
   
  The Giga Advisory Service, the principal service offering of the Company,
provides customers access to all of the Company's Giga Advisory Service
information, analysis and advice, as well as inquiry access to analysts and
practitioners and participation in briefings, conferences, electronic forums
and teleconferences. The Company believes that its integrated, single-service
offering, which is provided to customers for an annual subscription fee,
delivers significant advantages over its competitors' multiple-product
offerings which require customers to select, and separately purchase, subject-
specific services. The Company also provides its customers with access to its
ExperNet network of external IT practitioners who are available to answer
inquiries by customers. The Company recently introduced the first of a planned
series of specialized research products, called Relevance Services, which
combine original analysis, data and information produced by proprietary surveys
and methodologies with consulting, to assist in enhancing the IT practices and
operations of Giga's customers. In addition, the Company is pursuing
relationships with select content partners to complement the original
information and analyses provided by Giga's analysts.     
 
  The Company's GigaWeb system, an Internet-based interface to its services and
products, is designed to make it easy and efficient for customers to navigate
through the full spectrum of Giga's original research and third-party content.
Through the use of intelligent software agents, the Company is able to provide
customized information to each customer and also allow customers to search for
and select the information that is most relevant to their particular needs.
 
  In addition, customers of the Giga Advisory Service and Relevance Services
have access to the Company's information products, including various IT events,
publications, consulting and econometric forecasting. These products are
generally offered on a non-continuous basis and are also marketed outside the
Company's Giga Advisory Service and Relevance Services customer base to
generate incremental revenue and broaden the Company's IT industry visibility.
   
  Since the introduction of its Giga Advisory Service in April 1996, the
Company's customers grew to 86 as of August 31, 1996. Customers of the
Company's services include AIG, Alcatel Mobile Phones, The Boeing Co., Colonial
Penn Insurance Company, Digital Equipment Corporation, Duracell Inc., IBM, KPMG
Peat Marwick LLP, Oracle Corporation, Safeguard Scientifics, Inc. and
Southwestern Bell Telephone Company.     
 
                                       3
<PAGE>
 
                                  THE OFFERING
 
<TABLE>
<S>                                <C>
Common Stock offered..............  4,000,000 shares
Common Stock to be outstanding
 after the Offering............... 17,662,815 shares(1)
                                   Working capital and other general corporate
Use of Proceeds................... purposes
Proposed Nasdaq National Market
 symbol........................... GIGX
</TABLE>
 
                             SUMMARY FINANCIAL DATA
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>   
<CAPTION>
                                   PREDECESSOR COMPANIES (2)                                 COMPANY
                      ---------------------------------------------------- ----------------------------------------------
                                                                                                     SIX MONTHS
                      JANUARY 1 TO DECEMBER 16 TO  YEAR ENDED   JANUARY 1  MARCH 17 TO    MARCH 17      ENDED
                      DECEMBER 15,  DECEMBER 31,  DECEMBER 31, TO APRIL 5, DECEMBER 31,  TO JUNE 30,  JUNE 30,
                          1993          1993          1994        1995         1995         1995        1996
                      ------------ -------------- ------------ ----------- ------------  ----------- -----------
<S>                   <C>          <C>            <C>          <C>         <C>           <C>         <C>          <C> <C>
STATEMENT OF
 OPERATIONS DATA:
Revenues.............   $11,371        $ 329        $12,700      $3,237        $10,706     $3,571         $6,482
Loss from continuing
 operations, net of
 taxes...............    (2,193)        (462)        (5,064)       (449)        (5,116)      (733)        (9,913)
Income (loss) from
 discontinued BIS
 market research
 business, net of
 taxes...............     1,044           44         (1,469)        597          1,490        301         (2,390)
Net income (loss)....    (1,149)        (418)        (6,533)        148         (3,626)      (432)       (12,303)
Pro forma results per common and common equivalent share(3):
  Loss from continuing operations.........................................      $(0.34)                   $(0.61)
  Net loss................................................................      $(0.24)                   $(0.75)
Pro forma weighted average common and common equivalent shares outstand-
 ing(3):..................................................................  14,855,209                16,360,287
</TABLE>    
 
<TABLE>
<CAPTION>
                                                   JUNE 30, 1996
                                      ----------------------------------------
                         DECEMBER 31,                           PRO FORMA
                             1995     ACTUAL  PRO FORMA (3) AS ADJUSTED (3)(4)
                         ------------ ------- ------------- ------------------
<S>                      <C>          <C>     <C>           <C>
BALANCE SHEET DATA:
Cash and cash equiva-
 lents..................   $16,906    $ 9,331    $ 9,331         $45,531
Working capital.........    11,205      2,734      2,734          38,934
Total assets............    24,684     19,220     19,220          55,420
Deferred revenues.......     2,480      4,995      4,995           4,995
Long-term debt, less
 current portion........     1,437      1,472      1,472           1,472
Total stockholders'
 equity.................    13,660      4,053      4,053          40,253
</TABLE>
- -------
   
(1) Based on shares outstanding as of June 30, 1996. Does not include (i)
    3,627,473 shares of Common Stock issuable upon the exercise of outstanding
    options as of August 31, 1996 at a weighted average option exercise price
    of $0.61 per share; (ii) 3,448,653 shares of Common Stock reserved for
    issuance under the Company's stock plans as of August 31, 1996;
    (iii) 286,266 shares of Common Stock issuable upon conversion of
    outstanding convertible notes at a weighted average conversion price of
    $4.09 per share at August 31, 1996; (iv) 393,590 shares of Common Stock
    issuable upon exercise of outstanding warrants at a weighted average
    exercise price of $2.95 per share at August 31, 1996, which will expire if
    not exercised prior to the closing of the Offering; and (v) shares of
    Common Stock issued by the Company to employees after June 30, 1996. See
    "Management--Executive Compensation" and "Description of Capital Stock."
        
(2) Financial data included herein contains results of certain predecessor
    companies acquired by the Company in 1995. For a description of the
    predecessor companies and an explanation of the comparative periods
    presented herein, see "Management's Discussion and Analysis of Financial
    Condition and Results of Operations--Organization of the Company and
    Financial Statement Presentation."
   
(3) Presented on a pro forma basis to give effect to the automatic conversion
    of all outstanding shares of the Company's Preferred Stock into an
    aggregate of 7,552,215 shares of Common Stock upon the closing of the
    Offering. See Note 2 of Notes to Consolidated Financial Statements.     
(4) Adjusted to give effect to the sale by the Company of 4,000,000 shares of
    Common Stock offered hereby and the application of the estimated net
    proceeds therefrom. See "Use of Proceeds" and "Capitalization."
                                --------------
   
  The Giga logo(TM), Giga Information Group(TM), Giga Advisory Service(TM),
GigaWeb(TM), Relevance Services(TM), Gigabots(TM), GigaNotes(TM), GigaTel(TM),
Giga World Forum(TM), Smart Search(TM) and ExperNet(TM) are trademarks of Giga
Information Group, Inc. All other trademarks or trade names referred to in this
Prospectus are the property of their respective owners.     
   
  This Prospectus contains certain statements of a forward-looking nature
relating to future events or the future financial performance of the Company.
Prospective investors are cautioned that such statements are only predictions
and that actual events or results may differ materially. In evaluating such
statements, prospective investors should specifically consider the various
factors identified in this Prospectus, including the matters set forth under
the caption "Risk Factors," which could cause actual results to differ
materially from those indicated by such forward-looking statements.     
 
                                       4
<PAGE>
 
                                 RISK FACTORS
 
  The following risk factors should be considered carefully in addition to the
other information contained in this Prospectus before purchasing the Common
Stock offered hereby.
 
LIMITED OPERATING HISTORY; PRIOR LOSSES AND ANTICIPATION OF FUTURE LOSSES
   
  The Company was incorporated on March 17, 1995, and in April 1996 introduced
the Giga Advisory Service, its principal service offering, and GigaWeb, the
Company's Internet-based system for delivering information, analyses and
advice to its customers. The Company introduced the first of its planned
series of Relevance Services in July 1996. The Company has been marketing its
Giga Advisory Service and Relevance Services for only a limited period of
time, and the Company's future success will depend on its ability to
successfully market and enhance these services.     
   
  Substantially all of the Company's revenues through June 30, 1996 were
derived from the operations of BIS Strategic Decisions, Inc. and its five
foreign affiliates (collectively, "BIS") which the Company acquired on April
5, 1995. The Company acquired BIS to obtain its marketing, sales, and other
corporate infrastructures and certain of its personnel. BIS was engaged in
compiling and providing data-intensive market research to vendors for use
primarily in planning their product offerings and marketing programs. The BIS
offerings were principally quantitative in nature; employed in large part
relatively junior data specialists; were marketed to purchasers of
quantitative research; included little high-level advice and analysis; were
marketed in multiple separate service offerings; and focused principally on
vendors (collectively, the "BIS Market Research Business"). In contrast, the
Company's strategic business plan focuses on qualitative, analytical
information and advice addressed to a broader range of customers; employs a
single, integrated continuous information model; contemplates building a cadre
of high-level research analysts and other professionals who are peers of its
target customers to develop original ideas and knowledge; and concentrates
marketing of its services and products to senior decision makers to support
their critical IT decisions. The BIS Market Research Business did not fit with
Giga's business model. Accordingly, in June 1996 the Company decided to
discontinue the BIS Market Research Business, including termination of the
personnel employed in developing and compiling its data-intensive market
research products; assignment of its obligations under existing BIS
subscription agreements to two unrelated IT service providers; and cessation
of operations at its two leased facilities in England. Results from the
discontinued operations of the BIS Market Research Business are reflected in
Loss From Discontinued Operations in the Company's historical financial
statements, and results from the events, publications, consulting and
econometric forecasting formerly provided by BIS, which the Company continues
to offer, are included in the Company's continuing operating results. The
Company does not consider the historical results of the discontinued BIS
Market Research Business to be meaningful or indicative of the Company's
future operating results. See "Risk Factors -- Risks Associated with
Discontinuance of BIS Market Research Business."     
 
  Since its inception, the Company has incurred substantial costs to develop
its Giga Advisory Service, establish its GigaWeb system, build a management
team and recruit, employ and train research analysts, sales and support staff
for its Giga Advisory Service. As a consequence, the Company has incurred
substantial operating losses since its inception, and at June 30, 1996 had an
accumulated deficit of $16,537,000. The Company expects to incur losses
through at least 1997 and expects that such losses will continue to be
substantial as the Company expands and develops its services and products. The
magnitude and duration of the Company's losses will depend on a number of
factors both within and outside of the Company's control, including the
Company's ability to successfully market its Giga Advisory Service and
Relevance Services; customer acceptance of the Company's single-service model;
the Company's ability to attract and retain qualified research analysts and
sales personnel on a timely basis and the related costs of such efforts; the
response of competitors to the Company's services and products; the ability of
the Company to develop and market new services and products; and the continued
acceptance by customers of subscription agreements providing for advance
payments rather than equal monthly installments or some other payment model.
In addition, the Company has significantly increased its operating expenses
and expects to continue such increases in the future primarily to expand its
staff
 
                                       5
<PAGE>
 
of research analysts and sales and support personnel and to further develop
and enhance its Giga Advisory Service, Relevance Services, GigaWeb system and
other information products. As a result, the Company may not be readily able
to reduce or adjust expenses in the event that it does not generate planned
revenues or if its revenues decrease. There can be no assurance when or if the
Company will begin to generate revenue that is sufficient to achieve
profitability, to maintain profitability on a quarterly or annual basis or to
sustain or increase its revenue growth in future periods. See "Management's
Discussion and Analysis of Financial Condition and Results of Operations."
 
DEPENDENCE ON SALES AND RENEWALS OF SUBSCRIPTION-BASED SERVICES; NEED TO
ANTICIPATE CHANGING MARKET NEEDS
   
  The Company offers its Continuous Information Services on a subscription
basis. Accordingly, the Company's prospects will depend on its ability to
enter into a significant number of contracts for subscriptions to its services
and to achieve and sustain high renewal rates, and no assurance can be given
that it will be successful in doing so. The Company's ability to secure
subscriptions and subscription renewals is dependent upon, among other things,
its ability to deliver, through its Continuous Information Services,
consistently high-quality and timely analysis and advice with respect to
issues, developments and trends in the IT industry that clients view as
important. To deliver valuable analysis and advice on a sustained basis, the
Company must, among other things, recruit and retain a large and growing
number of highly talented professionals in a very competitive job market,
understand and anticipate market trends so as to keep its analysis focused on
the changing needs of its customers, and deliver services and products of
sufficiently high quality and on a timely basis to withstand competition.
There can be no assurance that the Company will be able to sustain the
necessary level of performance to enter into contracts for subscriptions to
its services and to achieve and sustain high subscription renewal rates or
that the Company's employees will be able to achieve expected sales
productivity levels. Any material decline in subscriptions and subscription
renewal rates or inability of the Company's employees to achieve expected
sales productivity levels would have a material adverse effect on the
Company's business, financial condition and results of operations. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations."     
 
COMPETITION
   
  The Company competes in the market for IT information services and products
directly with other independent providers of Continuous Information Services,
including Gartner Group, Inc., META Group, Inc. and Forrester Research Inc.,
and also competes with the internal planning, research and marketing staffs of
current and prospective customer organizations. The Company also competes
indirectly with other information providers, including market research firms,
"Big Six" accounting firms, consulting firms and systems integrators. Many of
the Company's direct and indirect competitors have substantially greater
financial, information gathering and marketing resources than the Company.
Some of the Company's direct and indirect competitors also have established
research organizations with greater market recognition and experience in the
IT industry. There can be no assurance that the Company will continue to be
successful in establishing a competitive research organization. Delays,
difficulty in developing and achieving market acceptance of the Giga Advisory
Service and Relevance Services or customer dissatisfaction would have a
material adverse effect on the Company's business, financial condition and
results of operations. In addition, there are few barriers to entry into the
Company's market, and new competitors could readily seek to compete in one or
more market segments addressed by the Company's services and products. There
can be no assurance that the Company's current or potential competitors will
not develop services and products comparable or superior to those developed by
the Company or respond more quickly to new or emerging industry trends or
changing customer requirements. There can be no assurance that the Company
will be able to continue to compete successfully against existing or new
competitors. In addition, any pricing pressures, reduced margins or loss of
market share resulting from increased competition could have a material
adverse effect on the Company's business, financial condition and results of
operations. See "Business--Competition."     
 
 
                                       6
<PAGE>
 
DEPENDENCE ON KEY PERSONNEL; NEED TO ATTRACT AND RETAIN QUALIFIED PERSONNEL
   
  The Company's success will depend in large part upon the continued services
of its executive officers and key employees, including its founder, Chairman
of the Board of Directors and Chief Executive Officer, Gideon I. Gartner. Mr.
Gartner, in particular, is well known in the IT community and his reputation
in the Continuous Information Services industry and his network of contacts
have been instrumental in establishing and building the Company's business and
in obtaining financing for the Company. The loss of the services of either Mr.
Gartner or one or more of the Company's other key personnel would have a
material adverse effect on the Company.     
   
  The Company's success will also depend upon its ability to hire, train,
motivate and retain a significant number of highly-skilled and experienced
employees, particularly management, research analysts and sales personnel. The
Company experiences, and expects to continue to experience, intense
competition for professional personnel with, among others, producers of IT
services and products, management consulting firms and systems integrators.
Many of these firms have substantially greater financial resources than the
Company to attract and compensate qualified personnel. In addition, some of
the Company's competitors require that their employees enter into non-
competition agreements the terms of which could prohibit such individuals for
a period of time from working for the Company. There can be no assurance that
the Company will be successful in attracting a sufficient number of highly-
skilled employees in the future, or that it will be successful in training,
motivating and retaining the employees it is able to hire, and any inability
to do so would have a material adverse effect on the Company's business,
financial condition and results of operations. See "Business--Employees."     
 
RISKS ASSOCIATED WITH DISCONTINUANCE OF BIS MARKET RESEARCH BUSINESS
   
  In connection with the discontinuance of the BIS Market Research Business,
in August 1996 the Company entered into contracts with two unrelated IT
service providers to fulfill the Company's obligations under certain existing
BIS subscription agreements, all of which expire on or before June 1997. There
can be no assurance that these providers will be able to satisfactorily
fulfill the Company's obligations under these subscription agreements. If such
providers are not able to satisfactorily fulfill the terms of the subscription
agreements, customers may seek refunds and other damages from the Company. As
of August 15, 1996, the total remaining contract value of these agreements for
which payment has been received by the Company was $1,982,000. Although the
Company has established a reserve for these potential refunds which it
believes is adequate, there can be no assurance that the amount of actual
obligations of the Company to these BIS customers will not exceed the amount
of this reserve. A substantial amount of claims in excess of the reserve
established by the Company would have a material adverse effect on the
Company's business, financial condition and results of operations.     
 
  In addition, the Company determined to cease or relocate former BIS
operations at leased facilities in Luton, England at Rothesay Road (the
"Rothesay Road Facility") and Napier Road (the "Napier Road Facility"). The
lease at the Rothesay Road Facility has a remaining term of approximately 19
years and the lease at the Napier Road Facility has a remaining term of
approximately five years. If the Company is not able to negotiate a
termination of these lease agreements, it will seek to sublease the rental
obligations for the remainder of each lease term. There can be no assurance
that the Company will be able to enter into sublease contracts on terms that
satisfy the Company's obligations under the leases, if at all. The Company has
established a reserve for the Rothesay Road Facility and for the Napier Road
Facility equal to the present value of the expected expenses of these
facilities for two and one-half years plus 50% of the expected expenses over
the remaining life of the leases. There can be no assurance that these
reserves are adequate for such expenses or that the Company will be able to
terminate these leases or enter into sublease agreements. Any failure to
successfully negotiate a termination of the leases or to successfully enter
into subleases on terms favorable to the Company would have a material adverse
effect on the business, financial condition and results of operations of the
Company.
 
  In connection with the cessation of operations at the Rothesay Road facility
and Napier Road facility and the relocation of certain of the operations
previously conducted at those facilities, the Company has terminated
approximately eight employees and expects that, in addition, approximately 16
of the remaining 22 employees will determine not to relocate. Pursuant to
certain United Kingdom labor laws, the Company will be required to
 
                                       7
<PAGE>
 
pay severance wages to its terminated employees as well as to those employees
who elect not to relocate. The Company has established a reserve for the
payment of such severance wages. Although the Company believes that this
reserve is adequate, if additional employees elect not to relocate then the
actual obligations of the Company would exceed the reserve. Significant claims
in excess of the reserve established by the Company could have a material
adverse effect on the Company's business, financial condition and results of
operations. See "Management's Discussion and Analysis of Financial Condition
and Results of Operations."
 
RISKS ASSOCIATED WITH DEVELOPMENT OF NEW SERVICES AND PRODUCTS
   
  The Company's future success will depend in part on its ability to
anticipate emerging market trends and to develop or acquire new services and
products that address the changing information, analysis and advice needs of
IT users, vendors and investors. The process of internally researching,
developing, launching and gaining client acceptance of a new service or
product, or assimilating and marketing an acquired service or product, is
inherently risky and costly. Delays or failures during development or
implementation, or lack of market acceptance of these services and products
could have a material adverse effect on the Company. The future success of the
Giga Advisory Service will depend in part of the Company's ability to expand
the breadth and depth of its services through the addition of internal
analysts and content from third party sources. The Company has recently
introduced the first of a planned series of Relevance Services. The success of
these services will depend on the Company's ability to add experienced
consultants and to complete the development of additional Relevance Services
on a timely basis. The Company's continued ability to differentiate itself
through its Internet-based GigaWeb system will depend on its ability to
continue to add features and functionality to GigaWeb. In addition, the
Company has limited internal resources dedicated to its Web site development
and relies on third parties, including consultants and software developers,
for the design, development and testing of its GigaWeb system. Any technical
or other related problems or deficiencies in GigaWeb in the areas of
reliability, performance and scalability could have a material adverse effect
on the Company's business, financial condition and results of operations. The
Company has had limited experience introducing new services and products and
there can be no assurance that its efforts to introduce new, or assimilate
acquired, services or products, will be successful. If the Company is unable,
for technical or other reasons, to develop and introduce new services or
products or make enhancements to existing services and products in a timely
manner in response to changing market conditions or customer requirements, or
if its Giga Advisory Service or other services offered by the Company do not
achieve market acceptance, the Company's business, financial condition and
results of operations would be materially adversely affected. See "Business--
Services and Products."     
 
POTENTIAL FLUCTUATIONS IN OPERATING RESULTS
   
  The Company's operating results may fluctuate significantly in the future
due to various factors, including the level and timing of renewals of
subscriptions to its Continuous Information Services, the timing and amount of
new business generated by the Company, the mix of domestic versus
international business, the timing of the development, introduction and
marketing of new services and products, the timing of the hiring of research
analysts and sales people, changes in the spending patterns of the Company's
target clients, the Company's accounts receivable collection experience,
changes in market demand for IT research and analysis and competitive
conditions in the industry. Due to these and other factors, the Company
believes period-to-period comparisons of results of operations may not be
meaningful and should not be relied upon as an indication of future results of
operations. The potential fluctuations in the Company's operating results make
it possible that, in some future period, the Company's operating results will
be below the expectations of securities analysts and investors, which would
have a material adverse effect on the price of the Company's Common Stock. See
"Management's Discussion and Analysis of Financial Condition and Results of
Operations."     
 
UNCERTAINTIES RELATING TO PROPRIETARY RIGHTS AND USE OF THE INTERNET
 
  The Company's success and ability to compete is dependent in part upon its
proprietary information and technology. The Company relies on a combination of
copyright, trademark and trade secret laws, employee and third-party
nondisclosure agreements and contractual provisions and other methods to
protect its proprietary
 
                                       8
<PAGE>
 
   
information and technology. There can be no assurance that the measures taken
by the Company to protect its proprietary information and technology will be
adequate to prevent misappropriation or that others will not develop
independently similar proprietary information or technology. Furthermore,
there can be no assurance that competitors will not develop similar or
superior proprietary information or technologies.     
 
  As a distributor of content over the Internet, the Company faces potential
liability for libel, defamation, negligence, copyright and trademark
infringement and other claims based on the nature of the content that it
distributes, although the nature and extent of the liability is generally
unsettled under law. In addition, the Company licenses certain content from a
third party and may license content from other third parties in the future.
There can be no assurance the Company will not be involved in expensive and
time consuming litigation with respect to claims based on the third-party
content that it distributes. Any such litigation, whether or not resulting in
a ruling requiring the payment of damages, could have a material adverse
effect on the Company's business, financial condition and results of
operations.
 
SUBSTANTIAL FUTURE CAPITAL NEEDS; RISKS OF WORKING CAPITAL DEFICIENCY
   
  The Company's business has significant fixed costs, primarily attributable
to the costs associated with producing research to implement its single-
service strategy, which provides for coverage of many of the IT sectors and
contemplates broad direct distribution worldwide. The Company has spent
substantial amounts to date and expects capital and operating expenditures to
increase in the near term as it hires additional sales people, research
analysts and other support staff and continues to develop its services and
products. The Company anticipates funding its ongoing working capital needs,
including the hiring of additional research analysts and other personnel, the
expansion of its sales force, the further enhancement of the GigaWeb system
and the expansion of its international operations, principally through the net
proceeds to the Company from the Offering. However, in the event that the
Company encounters difficulties in collecting accounts receivable, experiences
low or reduced subscription renewal rates or otherwise has revenues that are
lower than planned, the Company might require additional working capital and
there can be no assurance that such capital would be available to the Company
on terms that are acceptable, if at all. If adequate funds are not available,
the Company may be required to reduce its fixed costs and delay, scale back or
eliminate certain of its services or products, any of which could have a
material adverse effect on the Company's business, financial condition and
results of operations. See "Use of Proceeds" and "Management's Discussion and
Analysis of Financial Condition and Results of Operations--Liquidity and
Capital Resources."     
 
RISKS ASSOCIATED WITH INTERNATIONAL OPERATIONS
   
  Certain of the Company's operations are located outside of the United States
and the Company expects to expand its international operations significantly.
The Company believes there are certain risks inherent in international
operations, including changes in demand resulting from fluctuations in
interest and exchange rates, changes in trade policies, regulatory
requirements, difficulties in staffing and managing foreign sales operations,
and higher levels of taxation on foreign income than domestic income. Most of
the Company's international revenues are expected to be denominated in foreign
currencies. Consequently, a decrease in the value of a relevant foreign
currency in relation to the United States dollar could have an adverse impact
on the Company's results of operations. Adverse developments in any one of
these factors could have a material adverse effect on the Company's business,
financial condition or results of operations.     
 
                                       9
<PAGE>
 
MANAGEMENT OF GROWTH
 
  The Company's planned expansion is expected to place a significant strain on
the Company's financial, operational and managerial resources. To manage its
expansion, the Company must continue to implement and improve its operations
and financial systems and to increase, train and manage its personnel. There
can be no assurance that the Company's systems, procedures or controls
currently in place will be adequate to support the Company's operations or
that the Company will be able to implement additional systems successfully and
in a timely manner if required. If the Company continues to grow, it will be
required to expand its research staff, expand its sales and marketing force,
recruit additional key management personnel, improve its operational and
financial systems and train, motivate and manage additional employees. There
can be no assurance that the Company will be able to manage these changes
successfully. Any inability of the Company to manage its growth successfully
could have a material adverse effect on the Company's business, financial
condition and results of operations.
 
LEGAL PROCEEDINGS
 
  The Company and Mr. Gartner are currently involved in a pending lawsuit with
a former employee based upon allegations by the former employee that, among
other things, the Company breached an oral employment agreement with him and
that the Company and Mr. Gartner made fraudulent representations in inducing
him to accept employment with the Company. The former employee has asserted
that he is entitled to certain compensation, 60,000 shares of the Company's
Common Stock (or cash in lieu thereof) and an option to purchase an additional
60,000 shares of the Company's Common Stock, as well as $2.5 million in
compensatory damages and $1.0 million in punitive damages. See "Business--
Legal Proceedings."
 
CONTROL BY MANAGEMENT
 
  Upon the closing of the Offering, Mr. Gartner will beneficially own
approximately 36% of the outstanding Common Stock and Mr. Gartner, together
with the Company's other executive officers and directors, including entities
affiliated with them, will beneficially own approximately 54% of the
outstanding Common Stock. As a result, these stockholders will be able to
exercise control over matters requiring stockholder approval, including the
election of directors and the approval of significant corporate matters such
as transactions which may lead to a change of control of the Company. The
effects of such control could be to delay or prevent a change of control of
the Company unless the terms are approved by such stockholders. See
"Management" and "Principal Stockholders."
 
ABSENCE OF PUBLIC MARKET AND POSSIBLE VOLATILITY OF STOCK PRICE
   
  Prior to the Offering, there has been no public market for the Company's
Common Stock. There can be no assurance that, following the Offering, an
active trading market for the Common Stock will develop or be sustained or
that the market price of the Common Stock will not decline below the initial
public offering price. The initial public offering price was determined
through negotiations between the Company and the Representatives of the
Underwriters and will not necessarily reflect the market price of the Common
Stock after the Offering. See "Underwriting" for a discussion of the factors
considered in determining the initial public offering price. The stock market
in recent years has experienced extreme price and volume fluctuations that
have particularly affected market prices of many growth-oriented companies in
industries similar or related to that of the Company and that have often been
unrelated or disproportionate to the operating performance of such companies.
The market price of the Common Stock could also be subject to significant
fluctuations in response to, and may be adversely affected by, variations in
quarterly results, changes in earnings estimates or other actions by analysts
and earnings or other announcements of the Company's customers or competitors
as well as other factors.     
 
                                      10
<PAGE>
 
IMMEDIATE AND SUBSTANTIAL DILUTION
   
  Purchasers of shares of Common Stock offered hereby will experience
immediate and substantial dilution in the net tangible book value of the
Common Stock from the initial public offering price. Additional dilution will
occur upon exercise or conversion of outstanding stock options, warrants or
convertible notes. See "Dilution" and "Shares Eligible for Future Sale."     
 
SHARES ELIGIBLE FOR FUTURE SALE
   
  Sales of a substantial number of shares of Common Stock in the public market
following the Offering could adversely affect the market price for the Common
Stock. See "Shares Eligible for Future Sale" and "Description of Capital
Stock."     
 
EFFECT OF ANTI-TAKEOVER PROVISIONS
   
  A Restated Certificate of Incorporation (the "Restated Certificate") will be
filed upon the closing of the Offering, pursuant to which the Company's Board
of Directors will have the authority to issue up to 5,000,000 shares of
Preferred Stock and to determine the price, rights, conversion ratios,
preferences and privileges of those shares without any further vote or action
by the Company's stockholders. The rights of the holders of Common Stock will
be subject to, and may be adversely affected by, the rights of the holders of
such Preferred Stock. Any such issuance, while providing desirable flexibility
in connection with possible acquisitions and other corporate purposes, could
have the effect of making it more difficult for a third party to acquire a
majority of the outstanding voting stock of the Company and could negatively
impact the voting power or other rights of the holders of Common Stock. In
addition, such Preferred Stock may have other rights, including economic
rights senior to the Common Stock, and, as a result, the issuance thereof
could have a material adverse effect on the market value of the Common Stock.
The Restated Certificate will provide for a classified Board of Directors and
will permit a member of the Board of Directors to be removed for cause only
upon the affirmative vote of holders of a majority, or without cause only upon
the affirmative vote of at least two-thirds, of the shares of capital stock of
the Company entitled to vote. Furthermore, the Company is subject to the anti-
takeover provisions of Section 203 of the Delaware General Corporation Law
that prohibit the Company from engaging in a "business combination" with an
"interested stockholder" for a period of three years after the date of the
transaction in which the person first becomes an "interested stockholder,"
unless the business combination is approved in a prescribed manner. The
application of Section 203 could also have the effect of delaying or
preventing a change of control of the Company. Certain other provisions of the
Restated Certificate may have the effect of delaying or preventing changes of
control or management of the Company, which could adversely affect the market
price of the Company's Common Stock. See "Description of Capital Stock--
Delaware Law and Certain Charter and By-Law Provisions."     
 
                                      11
<PAGE>
 
                                USE OF PROCEEDS
 
  The net proceeds to Giga from the sale of the 4,000,000 shares of Common
Stock offered hereby are estimated to be $36,200,000 ($41,780,000 if the
Underwriters' over-allotment option is exercised in full) after deducting the
underwriting discounts and commissions and estimated offering expenses payable
by the Company and assuming an initial public offering price of $10.00 per
share.
 
  The Company expects to use the net proceeds from the Offering for working
capital and other general corporate purposes. A portion of the net proceeds
may also be used for the acquisition of businesses, products and technologies
that are complementary to those of the Company. The Company currently has no
plans, commitments or agreements with respect to any such acquisitions as of
the date of this Prospectus. Pending such uses, the Company intends to invest
the net proceeds from the Offering in short-term, investment grade, interest-
bearing instruments.
 
                                DIVIDEND POLICY
 
  The Company has never declared or paid any cash dividends on its capital
stock. The Company currently intends to retain earnings, if any, to support
its growth strategy and does not anticipate paying cash dividends in the
foreseeable future. Payment of future dividends, if any, will be at the
discretion of the Company's Board of Directors after taking into account
various factors including the Company's financial condition, operating
results, current and anticipated cash needs and plans for expansion.
 
                                      12
<PAGE>
 
                                CAPITALIZATION
   
  The following table sets forth as of June 30, 1996 (i) the actual
capitalization of the Company, (ii) the pro forma capitalization of the
Company as described in Note (1) below, and (iii) the pro forma capitalization
of the Company as adjusted to reflect the issuance and sale by the Company of
4,000,000 shares of Common Stock offered hereby at an assumed initial public
offering price of $10.00 per share and receipt of the estimated net proceeds
therefrom. See "Use of Proceeds." This table should be read in conjunction
with the Company's Consolidated Financial Statements and Notes thereto
included elsewhere in this Prospectus.     
 
<TABLE>   
<CAPTION>
                                            JUNE 30, 1996
                           ---------------------------------------------------------
                                                                    PRO FORMA
                             ACTUAL          PRO FORMA(1)       AS ADJUSTED(1)(2)
                           ---------------  ----------------   ---------------------
                           (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<S>                        <C>              <C>                <C>
Long term debt, less
 current portion..........          $1,472             $1,472               $1,472
                           ---------------    ---------------      ---------------
Stockholders' Equity(3):
 Preferred Stock, $.001
  par value; 5,000,000
  shares authorized; none
  issued or outstanding on
  an actual, pro forma or
  pro forma as adjusted
  basis...................             --                 --                   --
 Series A Preferred Stock,
  $.001 par value;
  650,000 shares
  authorized; 570,000
  shares issued and
  outstanding (actual); no
  shares authorized,
  issued or outstanding on
  a pro forma or pro forma
  as adjusted basis.......               1                --                   --
 Series B Preferred Stock,
  $.001 par value;
  6,500,000 shares
  authorized; 5,272,215
  shares issued and
  outstanding (actual); no
  shares authorized,
  issued or outstanding on
  a pro forma or pro forma
  as adjusted basis.......               5                --                   --
 Common Stock, $.001 par
  value; 60,000,000 shares
  authorized; 6,110,600
  shares issued and
  outstanding (actual);
  13,662,815 shares issued
  and outstanding (pro
  forma); 17,662,815
  shares issued and
  outstanding (pro forma
  as adjusted)(2).........               6                 14                   18
 Additional paid-in
  capital.................          20,631             20,629               56,825
 Stock subscriptions
  receivable..............             (75)               (75)                 (75)
 Accumulated deficit......         (16,537)           (16,537)             (16,537)
 Cumulative translation
  adjustments.............              22                 22                   22
                           ---------------    ---------------      ---------------
  Total stockholders'
   equity.................           4,253              4,253               40,253
                           ---------------    ---------------      ---------------
  Total capitalization.... $         5,525    $         5,525      $        41,725
                           ===============    ===============      ===============
</TABLE>    
- --------
(1) Presented on a pro forma basis to give effect to the conversion of all
    outstanding shares of Preferred Stock into an aggregate of 7,552,215
    shares of Common Stock upon the closing of the Offering. See Note 2 of
    Notes to Consolidated Financial Statements.
   
(2) Based on shares outstanding as of June 30, 1996. Does not include (i)
    3,627,473 shares of Common Stock issuable upon the exercise of outstanding
    options at a weighted average option exercise price of $0.61 per share as
    of August 31, 1996; (ii) 3,448,653 shares of Common Stock reserved for
    issuance under the Company's stock plans as of August 31, 1996;
    (iii) 286,266 shares of Common Stock issuable upon conversion of
    outstanding convertible notes at a weighted average conversion price of
    $4.09 per share at August 31, 1996; (iv) 393,590 shares of Common Stock
    issuable upon exercise of outstanding warrants at a weighted average
    exercise price of $2.95 per share at August 31, 1996, which will expire if
    not exercised prior to the closing of the Offering; and (v) shares of
    Common Stock issued by the Company to employees after June 30, 1996. See
    "Management--Executive Compensation" and "Description of Capital Stock."
        
(3) Reflects the filing of the Company's Restated Certificate of Incorporation
    upon the closing of the Offering.
 
                                      13
<PAGE>
 
                                   DILUTION
 
  The pro forma net tangible book value of the Company as of June 30, 1996 was
$2,756,000 or $0.20 per share. Pro forma net tangible book value per share
represents the amount of total tangible assets (total assets less intangible
assets) of the Company reduced by the Company's total liabilities, divided by
the pro forma number of shares of Common Stock outstanding. Assuming an
initial public offering price of $10.00 per share, and after giving effect to
the sale by the Company of 4,000,000 shares of Common Stock in the Offering
(after deducting the estimated underwriting discounts and commissions and
estimated offering expenses), the pro forma net tangible book value of the
Company as of June 30, 1996 would have been $38,956,000 or $2.21 per share.
This represents an immediate increase in pro forma net tangible book value of
$2.01 per share to existing stockholders and an immediate dilution in pro
forma net tangible book value of $7.79 per share to new investors purchasing
Common Stock in the Offering.
 
  The following table illustrates this per share dilution:
 
<TABLE>
     <S>                                                           <C>   <C>
     Assumed price to public......................................       $10.00
      Pro forma net tangible book value per share before the
       Offering................................................... $0.20
      Increase per share attributable to new investors............  2.01
                                                                   -----
     Pro forma net tangible book value per share after the
      Offering....................................................         2.21
                                                                         ------
     Dilution per share to new investors..........................       $ 7.79
                                                                         ======
</TABLE>
 
  The following table sets forth on a pro forma basis as of June 30, 1996, the
number of shares of Common Stock purchased from the Company, the total
consideration paid to the Company and the average price paid per share by the
existing stockholders and by the investors purchasing shares of Common Stock
offered hereby (at an assumed initial public offering price of $10.00 per
share):
 
<TABLE>
<CAPTION>
                            SHARES PURCHASED  TOTAL CONSIDERATION
                           ------------------ ------------------- AVERAGE PRICE
                             NUMBER   PERCENT   AMOUNT    PERCENT   PER SHARE
                           ---------- ------- ----------- ------- -------------
<S>                        <C>        <C>     <C>         <C>     <C>
Existing stockholders..... 13,662,815  77.4%  $21,564,052  35.0%     $ 1.58
New investors.............  4,000,000  22.6%  $40,000,000  65.0%     $10.00
                           ---------- ------  ----------- ------
    Total................. 17,662,815 100.0%  $61,564,052 100.0%
                           ========== ======  =========== ======
</TABLE>
   
  The foregoing assumes no exercise or conversion of any outstanding stock
options, warrants or convertible notes to purchase shares of Common Stock. As
of August 31, 1996, there were outstanding (i) options to purchase 3,627,473
shares of Common Stock at a weighted average exercise price of $0.61 per
share; (ii) warrants to purchase 393,590 shares of Common Stock at a weighted
average exercise price of $2.95 per share, which will expire if not exercised
prior to the closing of the Offering; and (iii) convertible notes that are
convertible into 286,266 shares of Common Stock at a weighted average
conversion price of $4.09 per share. In addition, as of August 31, 1996,
3,400,000 shares of Common Stock were reserved for future issuance pursuant to
the Company's stock plans. To the extent that the outstanding options,
warrants and convertible notes are exercised or converted at prices lower than
the initial public offering price, there will be further dilution to new
investors. See "Management--Executive Compensation," "Certain Transactions"
and "Description of Capital Stock."     
 
                                      14
<PAGE>
 
                            SELECTED FINANCIAL DATA
 
  The following selected financial data are derived from the consolidated
financial statements of the Company and the combined financial statements of
BIS Strategic Decisions, Inc. and its five foreign affiliates (collectively,
the "Predecessor Companies"). For the years ended December 31, 1991 and 1992
and the period January 1 to December 15, 1993, the operations comprising the
Predecessor Companies were those of wholly-owned subsidiaries of NYNEX
Corporation ("NYNEX"). For the period December 16 to December 31, 1993, the
year ended December 31, 1994 and the period January 1 to April 5, 1995, the
operations of the Predecessor Companies were those of wholly-owned
subsidiaries of Friday Holdings, L.P. ("Friday Holdings"). Because of the
impact to the statements of operations of the revaluation of the assets and
liabilities in connection with the acquisitions and the application of
different accounting methods, the results of operations of the Predecessor
Companies for the periods under NYNEX and Friday Holdings ownership are not
comparable with each other or with those reported by the Company.
 
  The consolidated financial statements of the Company as of December 31, 1995
and June 30, 1996 and for the period from March 17, 1995 to December 31, 1995
and the six months ended June 30, 1996 included elsewhere in this Prospectus
have been audited by Coopers & Lybrand L.L.P., independent accountants. The
consolidated financial statements of the Company for the period March 17, 1995
to June 30, 1995 included elsewhere in this Prospectus are unaudited, however,
in the opinion of management, such unaudited data include all adjustments
(consisting only of normal recurring adjustments) necessary for a fair
presentation of the information included therein. The results of operations
for the periods March 17, 1995 to December 31, 1995, March 17, 1995 to June
30, 1995 and the six months ended June 30, 1996 are not necessarily indicative
of the results for an entire fiscal year or any other interim period. The
combined financial statements of the Predecessor Companies for the period
January 1, 1995 to April 5, 1995 included elsewhere in this Prospectus have
been audited by Coopers & Lybrand L.L.P. The combined financial statements of
the Predecessor Companies as of December 31, 1994 and for the periods January
1, 1993 to December 15, 1993 and December 16, 1993 to December 31, 1993 and
for the year ended December 31, 1994 included elsewhere in this Prospectus
have been audited by Ernst & Young LLP, independent auditors. For the periods
January 1, 1993 to December 15, 1993 and December 16, 1993 to December 31,
1993, the financial statements of BIS Shrapnel PTY Limited, one of the
combined companies, were audited by other auditors. Ernst & Young LLP's report
on the combined financial statements as of December 31, 1994 and for the
periods January 1, 1993 to December 15, 1993, and December 16, 1993 to
December 31, 1993 and the year ended December 31, 1994, includes a description
of uncertainties regarding the Predecessor Companies' ability to continue as a
going concern which is discussed in Note 4 to the financial statements of BIS
Strategic Decisions. The selected historical financial data should be read in
conjunction with "Management's Discussion and Analysis of Financial Condition
and Results of Operations," and the financial statements and accompanying
notes thereto included elsewhere in this Prospectus.
 
                                      15
<PAGE>
 
                      SELECTED FINANCIAL DATA--(CONTINUED)
 
 
<TABLE>   
<CAPTION>
                      PREDECESSOR COMPANIES(1)            PREDECESSOR COMPANIES       
                    ------------------------------ -----------------------------------
                      YEAR ENDED       JANUARY 1   DECEMBER 16      YEAR     JANUARY 1
                     DECEMBER 31,          TO           TO         ENDED        TO    
                    ----------------  DECEMBER 15, DECEMBER 31, DECEMBER 31, APRIL 5, 
                     1991     1992        1993       1993(1)        1994       1995   
                    -------  -------  ------------ ------------ ------------ ---------
                            (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<S>                 <C>      <C>      <C>          <C>          <C>          <C>      
STATEMENT OF
 OPERATIONS DATA:
Revenues:
 Continuous
  information
  services........  $   --   $   --     $   --        $ --        $   --      $  --   
 Information
  products........   14,415   12,774     11,371         329        12,700      3,237  
                    -------  -------    -------       -----       -------     ------  
  Total revenues..   14,415   12,774     11,371         329        12,700      3,237  
                    -------  -------    -------       -----       -------     ------  
Costs and
 Expenses:
 Cost of services
  and product
  development.....    7,169    6,462      5,530         357         6,172      2,208  
 Sales and
  marketing.......    2,617    1,685      1,448          92         1,589        266  
 General and
  administrative..    9,802    9,132      6,901         307         8,108      1,197  
 Depreciation and
  amortization....    1,064      963        744          38         3,068        250  
                    -------  -------    -------       -----       -------     ------  
  Total costs and
   expenses.......   20,652   18,242     14,623         794        18,937      3,921  
                    -------  -------    -------       -----       -------     ------  
 Operating loss...   (6,237)  (5,468)    (3,252)       (465)       (6,237)      (684) 
Interest income...      206      153        114           7           103         26  
Interest expense..     (176)     (57)       (38)         (4)          (26)        (4) 
                    -------  -------    -------       -----       -------     ------  
 Loss from
  continuing
  operations
  before income
  taxes
  (benefit).......   (6,207)  (5,372)    (3,176)       (462)       (6,160)      (662)  
Benefit from
 income taxes.....      --    (1,063)      (983)        --         (1,096)      (213)  
                    -------  -------    -------       -----       -------     ------   
 Loss from
  continuing
  operations......   (6,207)  (4,309)    (2,193)       (462)       (5,064)      (449)  
                    -------  -------    -------       -----       -------     ------   
Discontinued
 operations:
 Income (loss)
  from the
  discontinued BIS
  market research
  business (net of
  tax effect).....    4,922    4,623      1,044          44        (1,469)       597   
 Loss on disposal
  of discontinued
  BIS market
  research
  business (net of
  tax effect).....      --       --         --          --            --         --    
                    -------  -------    -------       -----       -------     ------   
 Income (loss)
  from
  discontinued
  operations......    4,922    4,623      1,044          44        (1,469)       597   
                    -------  -------    -------       -----       -------     ------   
 Net income
  (loss)..........  $(1,285) $   314    $(1,149)      $(418)      $(6,533)    $  148   
                    =======  =======    =======       =====       =======     ======   
Pro forma results
 per common and
 common equivalent
 share:
 Loss from
  continuing
  operations......                                                  
 Net loss.........                                 
Pro forma weighted
 average common
 and common
 equivalent shares
 outstanding......       
</TABLE>    
 



 
<TABLE>   
<CAPTION>
                          PRO FORMA                     COMPANY
                    ----------------------- --------------------------------
                                              MARCH 17   MARCH 17 SIX MONTHS
                    SIX MONTHS  YEAR ENDED       TO         TO      ENDED
                    ENDED JUNE DECEMBER 31, DECEMBER 31, JUNE 30,  JUNE 30,
                     30, 1995      1995         1995       1995      1996
                    ---------- ------------ ------------ -------- ----------
                         (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
<S>                 <C>          <C>          <C>      <C>      <C>         <C> 
STATEMENT OF
 OPERATIONS DATA:
Revenues:
 Continuous
  information
  services........  $   --     $   --      $      --    $  --   $      627
 Information
  products........   6,880      14,015         10,706    3,571       5,855
                    ------      ------        -------   ------      ------  ----------
  Total revenues..   3,237       6,880         14,015   10,706       3,571       6,482
                    ------       -----         -------  ------       -----  ----------
Costs and
 Expenses:
 Cost of services
  and product
  development.....   4,803      10,775          8,445    2,473       9,648
 Sales and
  marketing.......     457       1,282          1,016      191       1,982
 General and
  administrative..   2,672       7,455          6,216    1,433       4,257
 Depreciation and
  amortization....     927       1,797          1,397      527       1,088
                    ------     -------     ----------   ------  ----------
  Total costs and
   expenses.......   8,859      21,309         17,074    4,624      16,975
                    ------     -------     ----------   ------  ----------
 Operating loss...  (1,979)     (7,294)        (6,368)  (1,053)    (10,493)
Interest income...      54         287            259       26         375
Interest expense..     (50)       (134)          (100)     (16)        (52)
                    ------     -------     ----------   ------  ----------
 Loss from
  continuing
  operations
  before income
  taxes
  (benefit).......  (1,975)     (7,141)        (6,209)  (1,043)    (10,170)
Benefit from
 income taxes.....    (531)     (1,311)        (1,093)    (310)       (257)
                    ------     -------     ----------   ------  ----------
 Loss from
  continuing
  operations......   (1,444)    (5,830)        (5,116)    (733)     (9,913)
                     ------     -------    ----------   ------  ----------
Discontinued
 operations:
 Income (loss)
  from the
  discontinued BIS
  market research
  business (net of
  tax effect).....      899      2,097          1,490      301         (85)
 Loss on disposal
  of discontinued
  BIS market
  research
  business (net of
  tax effect).....      --          --             --       --      (2,305)
                    ------     -------     ----------   ------  ----------
 Income (loss)
  from
  discontinued
  operations......     899       2,097          1,490      301      (2,390)
                    ------     -------     ----------   ------  ----------
 Net income
  (loss)..........  $ (545)    $(3,733)    $   (3,626)  $ (432) $  (12,303)
                    ======     =======     ==========   ======  ==========
Pro forma results
 per common and
 common equivalent
 share:
 Loss from
  continuing
  operations......                             $(0.34)              $(0.61)
 Net loss.........                             $(0.24)              $(0.75)
Pro forma weighted
 average common
 and common
 equivalent shares
 outstanding......                         14,855,209           16,360,287
</TABLE>    


                                      16
<PAGE>
 
                     SELECTED FINANCIAL DATA--(CONTINUED)
 
<TABLE>
<CAPTION>
                             PREDECESSOR COMPANIES                COMPANY
                         --------------------------------  --------------------- 
                                  DECEMBER 31,
                         --------------------------------  DECEMBER 31, JUNE 30,
                          1991    1992     1993    1994        1995       1996
                         ------  -------  ------- -------  ------------ --------
                                            (IN THOUSANDS)
<S>                      <C>     <C>      <C>     <C>      <C>          <C>      
BALANCE SHEET DATA:
Cash and cash
 equivalents............ $2,177  $ 1,798  $ 2,814 $ 1,809    $ 16,906   $ 9,331
Working capital
 (deficit)..............   (347)    (680)   1,893  (1,777)     11,205     2,734
Total assets............  7,124    6,632   12,979   8,601      24,684    19,220
Deferred revenues.......  1,194      386    1,299   1,681       2,480     4,995
Long term debt, less
 current portion........    258      --       --      --        1,437     1,472
Total stockholders'
 equity.................  1,784    1,843    8,679   1,823      13,660     4,053
</TABLE>
- --------
(1) Effective January 1, 1993, the Predecessor Companies changed the method of
    accounting for revenue recognized from the BIS Market Research Business.
    For the years ended December 31, 1991 and 1992, the Predecessor Companies
    recognized 35% of the revenue upon execution of a services contract and
    the remaining 65% on a pro rata monthly basis over the contract period.
    Under the Company's current revenue recognition method, income after taxes
    from the discontinued BIS Market Research Business and net income would
    have been reduced by approximately $632,000 and $32,000 for the years
    ended December 31, 1991 and 1992, respectively. Subsequent to January 1,
    1993, the Predecessor Companies recognized such revenue ratably over the
    related contract periods. The cumulative effect of this change in
    accounting method decreased income from the discontinued BIS Market
    Research Business and net income for the period ended December 15, 1993 by
    $1,928,000, net of applicable income taxes of $462,000.
   
(2) The pro forma results reflect the results of operations as if the
    acquisitions of BIS and ExperNet had occurred on January 1, 1995. See Note
    3 of Notes to Consolidated Financial Statements.     
 
                                      17
<PAGE>
 
                    MANAGEMENT'S DISCUSSION AND ANALYSIS OF
                 FINANCIAL CONDITION AND RESULTS OF OPERATIONS
 
ORGANIZATION OF THE COMPANY AND FINANCIAL STATEMENT PRESENTATION
 
  The Company was organized on March 17, 1995. On April 5, 1995, the Company
acquired BIS Strategic Decisions, Inc. and its five foreign affiliates
(collectively, "BIS" or the "Predecessor Companies") as part of its strategic
plan to accelerate the development of its Continuous Information Services
business and to obtain the marketing, sales and other corporate
infrastructures and certain personnel of BIS. On July 6, 1995, the Company
acquired a 77.8% equity interest in ExperNet Corporation ("ExperNet"), which
was owned by Gideon I. Gartner and David L. Gilmour, each a director and
officer of the Company, and, on December 29, 1995, acquired the remaining
22.2% equity interest.
 
  This Prospectus includes the financial statements of BIS, as the predecessor
to the Company, through the period ended April 5, 1995, the date of
acquisition by the Company. The period December 16 to December 31, 1993 is
shown separately for the Predecessor Companies because of a prior acquisition
by an unrelated entity on December 16, 1993. The periods covered by the
financial statements of the Company commence on March 17, 1995, the date of
its incorporation, and include the results of operations of BIS from April 5,
1995 and the results of operations of ExperNet from July 6, 1995, their
respective dates of acquisition. Results of operations of ExperNet are not
included in results of Predecessor Companies, which are solely the results of
BIS. The acquisition of BIS was accounted for under the purchase method;
accordingly, acquired assets were recorded at their estimated fair values and
related goodwill of approximately $3,059,000 was also recorded and is being
amortized over two years. Because ExperNet was a related company under common
control, its assets were recorded by the Company at their historical cost.
 
OVERVIEW
 
  The Company's current services and products target three principal customer
markets: IT users, IT vendors and IT institutional and other investors. The
Company derives its revenues primarily from two sources: Continuous
Information Services, which include its Giga Advisory Service and Relevance
Services, and Information Products, which include events, publications,
consulting and econometric forecasting.
   
  In June 1996, the Company discontinued the BIS Market Research Business.
Results of operations from the discontinued BIS Market Research Business are
reflected as Discontinued Operations in the Company's financial statements.
The Company continues to generate revenues from the events, publications,
consulting and econometric forecasting businesses acquired as part of the
acquisition of BIS, which are reflected in the statements of operations as
Information Products revenue. Revenues to date have been primarily
attributable to Information Products. The Company expects these revenues will
be a declining percentage of total revenues in future periods. As a result of
the discontinuance of the BIS Market Research Business, Giga recorded a charge
of approximately $2.3 million in the six months ended June 30, 1996. The
Company does not consider the historical results of Predecessor Companies'
operations which have been discontinued to be meaningful or indicative of the
Company's future operating results. The Company has entered into agreements
with two unrelated parties which have assumed responsibility for fulfillment
of the Company's obligations to former BIS customers in exchange for a share
of the deferred revenues recorded by Giga with respect to such customers. See
"Risk Factors--Limited Operating History; Prior Losses and Anticipation of
Future Losses," and "--Risks Associated with Discontinuance of BIS Market
Research Business."     
 
  In April 1996, the Company introduced its Giga Advisory Service and GigaWeb.
In July 1996, the Company introduced the first of a planned series of
specialized research products, called Relevance Services, which combine
original analysis, data and information with consulting to address specific IT
needs of customers. The Company expects that future revenues from its
Continuous Information Services will significantly increase as a percentage of
future total revenues.
 
 
                                      18
<PAGE>
 
  The Company's Giga Advisory Service and Relevance Services are typically
sold through annual subscriptions which generally provide for payment at the
commencement of the subscription period and renew automatically unless the
customer cancels the subscription. Amounts received in advance of services
provided are reflected initially in the Company's financial statements as
deferred revenues and are recognized on a pro rata monthly basis over the term
of the subscription. The Company expects costs of services and product
development to continue to significantly increase in the future primarily as a
result of the Company's expansion of its staff of analysts and further
development of its Giga Advisory Service, Relevance Services and other
consulting services.
   
  The Company has incurred significant operating losses since its inception in
1995 due to its focus on building its research, sales and marketing
capabilities, development and enhancement of its GigaWeb system and the
development of the Giga Advisory Service and Relevance Services. The Company
expects sales and marketing expenses to continue to significantly increase in
the future as it expands its sales, marketing and support staff. The Company
expects to incur losses through at least fiscal year 1997 as it continues to
invest in these activities.     
          
  The Company believes that a leading measure of the Company's volume of
business is the contract value ("Contract Value") of its Giga Advisory Service
and Relevance Services agreements in effect at a given point in time. The
Company calculates Contract Value each month as the cumulative annualized
subscription value payable under subscription agreements, without regard to
commencement date, duration or risk of cancellation. Since the introduction of
the Company's Giga Advisory Service and Relevance Services, as of August 31,
1996, the Company had entered into contracts with 86 customers having an
aggregate Contract Value of approximately $2.8 million, excluding
approximately $1.1 million of subscriptions sold to former customers of the
BIS Market Research Business. The Company can give no assurance that its
Contract Value will continue to grow.     
 
 SIX MONTHS ENDED JUNE 30, 1996 COMPARED TO PRO FORMA SIX MONTHS ENDED JUNE
30, 1995
   
  For purposes of the following discussion, the pro forma six month period
ended June 30, 1995 reflects the results of operations of the Predecessor
Companies from January 1, 1995 to April 5, 1995 (the date of acquisition of
the Predecessor Companies by the Company) and the Company from March 17, 1995
(the date of inception) through June 30, 1995, and includes the results of
operations of ExperNet and the amortization of goodwill incurred in connection
with the acquisition of the Predecessor Companies as though these acquisitions
occurred on January 1, 1995. The Company's activities from March 17, 1995 to
April 5, 1995 were principally devoted to the acquisition of the Predecessor
Companies.     
 
  Revenues. Revenues for the six months ended June 30, 1996 were approximately
$6.5 million compared to revenues of approximately $6.9 million for the pro
forma six months ended June 30, 1995. In the six months ended June 30, 1996,
the Company recorded Continuous Information Services revenues of $0.6 million.
Information Products revenues declined by approximately $1.0 million as
compared to the pro forma six months ended June 30, 1995, primarily due to a
reduction in the number of events sponsored by the Company.
 
  Cost of Services and Product Development. The Company's cost of services and
product development increased to approximately $9.6 million in the six months
ended June 30, 1996 from approximately $4.8 million in the pro forma six
months ended June 30, 1995. The increase was principally attributable to the
Company's substantial investment during the six months ended June 30, 1996 in
research and technology related to the development of the Company's Giga
Advisory Service and GigaWeb system.
 
  Sales and Marketing Expenses. Sales and marketing expenses in the six months
ended June 30, 1996 increased to approximately $2.0 million compared to
approximately $0.5 million in the pro forma six months
 
                                      19
<PAGE>
 
ended June 30, 1995. The increase was principally attributable to the
increased investment in marketing programs and expansion of the Company's
sales force to support the introduction and marketing of its Giga Advisory
Service.
 
  General and Administrative Expenses. General and administrative expenses
increased to approximately $4.3 million in the six months ended June 30, 1996
from approximately $2.7 million in the pro forma six months ended June 30,
1995. The increase resulted principally from significant investments for
internal systems, facilities and infrastructure, including the hiring of a
senior management team.
 
  Discontinued Operations. The Company recorded a loss from discontinued
operations of approximately $2.4 million for the six months ended June 30,
1996 compared to income of approximately $0.9 million for the pro forma six
months ended June 30, 1995. The 1996 loss included $2.3 million of charges
related to the discontinuance of the BIS Market Research Business in June
1996. See Note 16 of Notes to Consolidated Financial Statements.
 
 RESULTS OF OPERATIONS FOR 1995 PRO FORMA, 1994 AND 1993
   
  For purposes of the following discussion, the pro forma year ended December
31, 1995 reflects the operations of the Predecessor Companies from January 1,
1995 to April 5, 1995 and the Company from March 17, 1995 to December 31, 1995
and includes the results of operations of ExperNet and the amortization of
goodwill incurred in connection with the acquisition of the Predecessor
Companies as though these acquisitions occurred on January 1, 1995. The
Company's activities from March 17, 1995 to April 5, 1995 were principally
devoted to the acquisition of the Predecessor Companies.     
 
  Revenues. Revenues were approximately $14.0 million, $12.7 million and $11.7
million for pro forma 1995, 1994 and 1993, respectively. The revenues were
derived from the Predecessor Companies' Information Products business,
consisting of events, publications, consulting and econometric forecasting.
The increases in pro forma 1995 and 1994 were attributable primarily to
increased events and consulting revenues in those years.
 
  Cost of Services and Product Development. Expenses for cost of services and
product development increased year to year, with the major increase occurring
in pro forma 1995, when these costs were approximately $10.8 million compared
to approximately $6.2 million in 1994. The pro forma 1995 increase resulted
primarily from increased expenditures relating to the development of the
GigaWeb system and the hiring of research analysts.
 
  Sales and Marketing Expenses. Sales and marketing expenses in 1994 and 1993
were relatively unchanged, but declined to approximately $1.3 million in pro
forma 1995 from $1.6 million in 1994. The pro forma 1995 decline resulted
primarily from a curtailment of marketing investments in the Predecessor
Companies' Information Products business and a reduction in the number of
sponsored events.
 
  General and Administrative Expenses. General and administrative expenses for
pro forma 1995, 1994 and 1993 did not vary significantly during the three year
period. The decrease in these expenses to approximately $7.5 million in pro
forma 1995 from approximately $8.1 million in 1994 resulted primarily from
certain headcount reductions made by the Company shortly after its acquisition
of BIS in April 1995 and severance expenses included in the 1994 results.
 
  Discontinued Operations. The income from discontinued operations increased
to $2.1 million in pro forma 1995, compared with a loss of $1.5 million in
1994. The results for the year ended 1994 included a charge of $2.6 million
for an impairment of goodwill recognized in connection with the planned sale
of BIS by Friday Holdings.
 
LIQUIDITY AND CAPITAL RESOURCES
 
  The Company has funded its operations since inception primarily through
private placements of equity securities. The private placements of equity
securities have provided the Company with net proceeds of approximately $20.6
million, representing $1.0 from the sale of Common Stock, $2.0 million from
the sale of Series A Preferred Stock and $17.6 million from the sale of Series
B Preferred Stock. At June 30, 1996, the Company had cash and cash equivalents
of $9.3 million. See Notes 10 and 11 of Notes to Consolidated Financial
Statements.
 
                                      20
<PAGE>
 
  The Company has used the proceeds of the private placements primarily to
hire research analysts and sales personnel and to fund the development of its
Continuous Information Services. In the period March 17 to June 30, 1995 and
the six months ended June 30, 1996, the Company's capital expenditures
totalled approximately $0.2 million and $1.1 million, respectively, primarily
for computer equipment. The Company expects that additional purchases of
computer equipment will be made as the Company's employee base grows. As of
June 30, 1996, the Company had no material commitments for capital
expenditures.
   
  The Company believes that the net proceeds from the Offering, together with
its existing cash and cash equivalents and cash generated from operations,
will be sufficient to fund the Company's working capital needs at least
through 1997. In the event that the Company is unable to complete the
Offering, certain of its existing investors have represented that they will,
to the extent necessary, fund the Company through June 1997 on terms to be
mutually agreed upon. The Company's actual future capital requirements will
depend on numerous factors, including the Company's ability to successfully
market its Giga Advisory Service and Relevance Services; the Company's ability
to enter into contracts for the sale of its services and products and to
achieve and sustain high renewal rates; its ability to attract and retain
qualified research analysts and sales personnel on a timely basis and the
related costs of such efforts; the response of competitors to the Company's
services and products; the Company's ability to develop and market new
services and products; and the continued acceptance by customers of annual
membership agreements providing for advance payments rather than equal monthly
installments or some other payment model. The Company expects that it may
require additional working capital in the future and there can be no assurance
that such capital would be available to the Company on terms that are
acceptable, if at all. If adequate funds are not available, the Company may be
required to reduce its fixed costs and delay, scale back or eliminate certain
of its services or products, any of which could have a material adverse effect
on the Company's business, financial condition or results of operations. See
"Risk Factors--Substantial Future Capital Needs; Risks of Working Capital
Deficiency."     
 
                                      21
<PAGE>
 
                                   BUSINESS
   
  The Company provides information, analysis and advice relating to
developments and trends in the computing, telecommunications and related
industries (collectively, the information technology or "IT" industry).
Information technologies have become increasingly critical to the
competitiveness and long-term viability of a wide range of organizations. As a
result, many of these organizations have turned to IT "Continuous Information
Services" providers, which monitor and analyze IT developments and trends to
support customers' IT decisions. The Company's customers include: users of IT
products and services; vendors of IT hardware, software and services; and
institutional and other investors in the IT industry. These customers access
the Company's services and products through a personalized Internet-based
interface, as well as through published reports and consultation with the
Company's analysts and consultants.     
 
  Giga was founded in 1995 by Gideon I. Gartner, who founded Gartner Group,
Inc. in 1979 and served as its Chairman and Chief Executive Officer for twelve
years. Building upon his extensive experience in the IT Continuous Information
Services industry, Mr. Gartner formed Giga with the objective of creating a
new approach to providing Continuous Information Services to address
customers' needs more effectively than existing IT information providers.
   
  The Giga Advisory Service, the principal service offering of the Company,
provides customers access to all of the Company's Giga Advisory Service
information, analysis and advice, as well as inquiry access to analysts and
practitioners and participation in briefings, conferences, electronic forums
and teleconferences. The Company believes that its integrated, single-service
offering, which is provided to customers for an annual subscription fee,
delivers significant advantages over its competitors' multiple-product
offerings which require customers to select, and separately purchase, subject-
specific services. The Company also provides its customers with access to its
ExperNet network of external IT practitioners who are available to answer
inquiries by customers. The Company recently introduced the first of a planned
series of specialized research products, called Relevance Services, which
combine original analysis, data and information produced by proprietary
surveys and methodologies with consulting, to assist in enhancing the IT
practices and operations of Giga's customers. In addition, the Company is
pursuing relationships with select content partners to complement the original
information and analyses provided by Giga's analysts.     
 
  The Company's GigaWeb system, an Internet-based interface to its services
and products, is designed to make it easy and efficient for customers to
navigate through the full spectrum of Giga's original research and third-party
content. Through the use of intelligent software agents, the Company is able
to provide customized information to each customer and also allow customers to
search for and select the information that is most relevant to their
particular needs.
 
  In addition, customers of the Giga Advisory Service and Relevance Services
have access to the Company's information products, including various IT
events, publications, consulting and econometric forecasting. These products
are generally offered on a non-continuous basis and are also marketed outside
the Company's Giga Advisory Service and Relevance Services customer base to
generate incremental revenue and broaden the Company's IT industry visibility.
 
INDUSTRY BACKGROUND
 
  Information technologies have become increasingly critical to the
competitiveness and long-term viability of a wide range of organizations. As
organizations have recognized the importance of information technologies, they
have made substantial and increasing financial commitments to IT systems and
services. At the same time, IT products have become increasingly complex and
diverse, and the rate of technological change and new product introductions
has accelerated. Many organizations maintain an internal staff of IT
professionals and also engage outside consultants to assist in IT decision
support. However, these organizations often require greater capabilities than
they can economically support internally and a more integrated approach than
individual consultants can provide. As a result, they have increasingly turned
for assistance to providers of Continuous Information Services which
continuously monitor and analyze IT industry developments and trends and
provide reports and information to clients on a subscription basis.
 
 
                                      22
<PAGE>
 
  The overall market for IT Continuous Information Services consists primarily
of three types of customers --users of IT products and services; vendors of IT
hardware, software and services; and institutional and other investors in the
IT industry.
     
    Users. Users continually assess new technologies and anticipate future
  trends in making major purchasing decisions and formulating long-term IT
  strategies. Decision-making has become increasingly complicated as the pace
  of technological change continues to accelerate. As a result, IT users
  require current information and analysis of new product introductions and
  other events, independent comparisons among competing platforms and
  vendors, accurate assessments of trends such as pricing and obsolescence
  and reasoned analysis of how issues will evolve over time. Users generally
  seek alternative points of view and rely on the advice and insights of more
  than one provider of Continuous Information Services for their IT
  requirements.     
     
    Vendors. Vendors use Continuous Information Services primarily for
  product planning, evaluation of competitors' products and formulation of
  marketing and other business strategies. Vendors require a reliable source
  of information on areas such as new markets and market forecasts,
  competitive products, user preferences and buying trends, distribution and
  marketing strategies and evolving market needs. The Company believes that
  much of the information and analyses serving the needs of users can also
  benefit the vendor community.     
     
    Investors. Institutional and other investors require Continuous
  Information Services to evaluate user and vendor strategies, new IT product
  performance, product purchase expectations and evolving market trends. By
  gaining timely access to this information and using it in their company and
  industry analyses, investors can make more informed decisions and enhance
  their ability to make successful IT investments.     
   
  The IT information service industry began in the 1960s with companies that
analyzed IT market trends and provided quantitative data to either users or
vendors. The next generation of IT information providers, which emerged in the
1980s, generally offered IT analysis to both users and vendors. This second
generation model is still prevalent and typically provides multiple
information service offerings, each of which is focused on a specific subject
within the IT industry. For example, a second generation provider might offer
separate service offerings addressing mainframes, personal computers,
operating systems, application development tools and relational databases.
    
  The Company believes that the second generation business model for IT
information providers does not fulfill the evolving needs of IT users, vendors
and investors. A solution to a customer's particular IT problem typically
involves a broad range of platforms, technologies and services. Giga believes
that separate reports addressing each distinct technology or issue do not
provide integrated or cost-effective support for the customer. The planning,
selection and implementation of IT solutions is becoming increasingly complex.
Historically, IT users would typically purchase a vertically integrated
solution involving hardware, operating systems and application software from a
single large vendor. In the current environment, IT users must evaluate a
variety of products based on emerging technologies from multiple vendors and
design systems in which the products operate with one another, with existing
legacy systems and, increasingly, within the Internet and emerging corporate
intranet environments.
 
  Users have been confronted not only with an increasing number of
technological choices but also with a proliferation of technical information
from multiple independent sources, such as newsletters, vendors, trade
publications, the World Wide Web and the news media. This glut of information
makes it difficult for users to find the particular analysis and expertise
that is most relevant to their particular operational needs and can lead to
information-anxiety, confusion and frustration.
 
  In seeking to formulate their IT plans and strategies in an environment of
rapid technological change and proliferation of available information,
organizations desire Continuous Information Services that can best address the
following needs:
 
  . Broad-Based Coverage. Since IT solutions generally require knowledge of
    multiple segments of the IT industry, the Company believes that customers
    will increasingly desire integrated broad-based coverage of the IT
    market, rather than a subject-specific approach.
 
                                      23
<PAGE>
 
  . Practical Experience. Industry analysts who conduct IT research and
    analysis generally have an analytical or strategic orientation. However,
    the solutions to many of today's IT problems require practical hands-on
    experience.
 
  . Customized Services. The mass of content produced by IT information
    providers is often unconnected to the specific problem confronted by the
    IT customer. IT customers need services that can provide access to
    independent research while at the same time make that research relevant
    to their particular application or environment.
 
  . Efficient Information Retrieval. Customers want to quickly search for,
    find and retrieve the particular research, analyses and expertise that
    they require.
 
  The Company believes that these largely unsatisfied and evolving needs have
created a market opportunity for a third generation IT information provider
that is able, through the use of technological innovation and reorientation of
the IT information provider business model, to satisfy the demand for
comprehensive, easy-to-use and cost-effective Continuous Information Services.
 
THE GIGA SOLUTION
 
  The Company has developed, and is continuing to develop, a range of
innovative IT services and products that meet customers' needs for
comprehensive and customized Continuous Information Services. The principal
elements of Giga's solution for IT users, vendors and investors are as
follows:
     
  . Single-Service Model. The Company's Giga Advisory Service is offered to
    customers as a single integrated service. Customers may, for a
    subscription fee, access the full spectrum of the Giga Advisory Service
    information, analysis and advice on a continuous basis, in contrast to
    the multiple-services approach that requires customers to purchase
    multiple services which generally are neither integrated nor
    comprehensive.     
 
  . ExperNet. Subscribers to the Giga Advisory Service have access to the
    Company's ExperNet network of external IT practitioners. These
    practitioners have significant practical experience in solving real-world
    IT problems and are available to answer customer inquiries and provide
    analysis and advice.
 
  . Relevance Services. The Company offers a series of Relevance Services
    that combine original analysis, data and information produced by
    proprietary surveys and methodologies with consulting, to assist in
    enhancing the IT practices and operations of the Company's customers. The
    Company believes its Relevance Services will be used by IT management to
    evaluate competitive industry practices, benchmark their IT practices
    against peer practices and assist in decision support.
 
  . GigaWeb. The Company has focused its efforts not only on developing
    original research and analyses content, but also on developing
    technologies and methodologies to effectively deliver such original
    content and other third-party content to customers in an efficient,
    flexible and personalized manner. The Company's Internet-based interface,
    GigaWeb, enables Giga's customers to gain personalized, interactive
    access to the Company's full range of information sources. The GigaWeb
    interface includes search and intelligent software agent technology
    ("Gigabots") that is designed to make it easy for customers to navigate
    through the full spectrum of the Company's available information and,
    based on the customer's profile, to obtain automatically the content that
    is of particular interest to the customer.
 
THE GIGA STRATEGY
 
  Giga's objective is to become a leading provider of IT Continuous
Information Services by delivering information, analysis and advice that is of
high strategic relevance to customers. The Company's strategy includes the
following key elements:
 
  . Expand Breadth of Research. The Company plans to broaden its research and
    analysis coverage both by hiring additional analysts and by recruiting
    additional IT practitioners for the ExperNet network. At August 31, 1996,
    the Company employed 50 in-house analysts, 32 of whom were Giga Advisory
    Service
 
                                      24
<PAGE>
 
      
   analysts, and has established relationships with approximately 210
   external IT practitioners as part of its ExperNet network. The Company
   seeks to hire analysts who have significant experience in existing and
   emerging areas of technology covering computer infrastructure,
   applications and development, networking and telecommunications and IT
   management.     
 
  . Increase Penetration of Existing Customers. The Company seeks to expand
    its relationships with existing customers both by increasing the number
    of individual subscribers within an organization and by upgrading the
    status of subscribers from site license seat holders (who only have
    access to the Company's research databases) to members (who have full
    access to all of the Company's Continuous Information Services and may
    make inquiries to the Company's analysts and ExperNet practitioners). The
    Company will also seek to increase its penetration of existing accounts
    by developing and offering additional services, such as its Relevance
    Services, events, publications, consulting and econometric forecasting.
 
  . Leverage Technological Innovation. The Company seeks to take advantage of
    technological developments to enhance both the creation and delivery of
    its research and analyses to customers. For example, the Company has
    developed GigaWeb using both its own proprietary technology and licensed
    third-party technologies. The Company plans to continue to evaluate and
    implement technologies that can help to facilitate the flow of
    information between the Company and its customers.
 
  . Expand Worldwide Sales Force and Marketing. The Company's global strategy
    is to increase its market penetration on a worldwide basis. The Company
    plans to approximately double its worldwide direct sales force in the
    next six months and to continue to expand its sales force in the future.
    At August 31, 1996, the Company had 51 sales personnel worldwide. The
    Company also plans to expand its market presence through events and
    publications, the World Wide Web, direct mail, public relations,
    telesales, and additional strategic alliances.
 
                                      25
<PAGE>
 
SERVICES AND PRODUCTS
 
  The Company's three principal service and product areas are the Giga
Advisory Service, Relevance Services and Information Products. The Company's
services and products are designed to be accessed through the Company's
personalized Internet-based interface, GigaWeb, as well as through published
reports and consultation with the Company's analysts and consultants.
 

                             --------------------
                             | GIGA INFORMATION |
                             |       GROUP      |
                             --------------------
                                       |
          ----------------------------------------------------------
          |                            |                           |
          |                -------------------------               |
          |                |     GIGA ADVISORY      |              |
- ---------------------      |        SERVICE         |    -----------------------
| RELEVANCE SERVICES |     |                        |    |INFORMATION PRODUCTS |
|                    |     |Continuous subscription-|    |                     |
| Survey/methodology |     | based advisory service |    |                     |
|   based research   |     |                        |    |                     |
| services combined  |     |    ExperNet Network    |    |Events, Publications,|
|  with consulting   |     --------------------------    |   Consulting and    |
|focusing on specific|                 |                 |    Econometric      |
|    user needs      |                 |                 |    Forecasting      |
- ----------------------                 |                 -----------------------
                                       |
                                       |
                                       |
          ----------------------------------------------------------
          |                        GIGA WEB                        |
          |     Internet-based information delivery system for     |
          |      proprietary research and third-party content      |
          ----------------------------------------------------------
 
 GIGA ADVISORY SERVICE
 
  The Company's Giga Advisory Service is the principal service offering of the
Company. The Giga Advisory Service offers customers, generally for an annual
subscription fee billed and payable in advance, access to all of the Company's
Giga Advisory Service information, analysis and advice, as well as inquiry
access to analysts and practitioners, and participation in briefings,
conferences and teleconferences.
 
  The Giga Advisory Service offers the following deliverables to its
customers:
 
  . PAs (Planning Assumptions). PAs are typically multi-page research reports
    that provide customers with in-depth analyses of IT topics and
    recommendations for action. Through August 31, 1996, the Company had
    produced approximately 465 PAs.
 
  . CQAs (Catalyst, Question and Answer). CQAs are brief presentations of
    developments or ideas, in question and answer format, that are intended
    to provide customers with quick, up-to-date findings and opinions,
    authored by the Company's analysts. Through August 31, 1996, the Company
    had produced approximately 3,000 CQAs.
 
  . Inquiry Support. The Company maintains a "Knowledge Center," which
    consists of experienced research associates who track customer inquiries
    and direct customers to the appropriate analyst or source of information.
    Customers also have direct access to the Company's analysts to answer
    specific questions. Customers can make their inquiries and track the
    status of an inquiry on-line through GigaWeb.
 
                                      26
<PAGE>
 
  . ExperNet. ExperNet is a network of external IT practitioners who are
    available to respond to customer inquiries that require hands-on,
    practical advice. ExperNet practitioners may include consultants, system
    integrators, value-added resellers, IT vendor representatives and
    developers. The Company has developed a multi-dimensional database
    organized by topic that enables customers to access the particular
    ExperNet practitioner whose experience and skills match the customer's IT
    area of inquiry. Customers can direct their ExperNet inquiries to the
    Knowledge Center by telephone. The Company reimburses its ExperNet
    practitioners on a fee basis per customer inquiry. In addition, the
    Company permits its ExperNet practitioners to enter into follow-on
    consulting arrangements with the Company's customers for which Giga
    currently receives no compensation.
 
  . Events. The Company sponsors conferences on significant IT industry
    issues and trends. Since the beginning of 1996, Giga had sponsored or co-
    sponsored six conferences addressing various industry topics in North
    America and Europe, with attendance exceeding approximately 1,700
    participants, and plans to sponsor or co-sponsor five additional
    conferences prior to the end of 1996.
     
  . GigaTels. GigaTels are audioteleconferences that include presentations by
    analysts on selected topics and provide an open forum for questions,
    exchanges and debate. GigaTels typically take place from three to five
    times per week. Through August 31, 1996, the Company had produced over 70
    GigaTels with over 1,000 participants.     
 
  . Workgroups. Customers who have shared objectives or interests will be
    able to interact with each other through on-line discussion groups
    (electronic forums) and special interest groups, which the Company plans
    to introduce in the fourth quarter of 1996. Also, customers can respond
    to a PA by initiating discussion among analysts and other users of
    GigaWeb.
 
  . Partner Content. In May 1996, the Company entered into a content
    distribution agreement with Dow Jones & Company, Inc. ("Dow Jones")
    pursuant to which Dow Jones granted the Company a nonexclusive right to
    distribute and make available to GigaWeb users IT industry news and
    information via access to several leading business-oriented news sources,
    including Dow Jones Online News, The Wall Street Journal Interactive,
    Public Relations Newswire, and Canada Businesswire. The agreement is for
    an initial term ending in November 1997 and is renewable yearly
    thereafter. As a result of this collaboration, a user can, using the
    Company's Smart Search technology, supplement original Giga content with
    up-to-date news and information. Giga plans to add additional suppliers
    of third-party content in the future.
   
  As of August 31, 1996, the Company employed 32 analysts to support its Giga
Advisory Service and had relationships with approximately 210 external IT
practitioners to support its ExperNet network. In addition, the Company
employed 44 research and analysis support and fulfillment personnel. The
Company plans to broaden its research and analysis coverage both by hiring
additional analysts and by recruiting additional external IT practitioners for
the ExperNet network. The Company actively monitors technology trends and
industry issues. The Company's research process is designed to produce timely
analysis that is responsive to day-to-day IT developments. In their research,
analysts identify significant patterns from a broad range of inputs, formulate
original ideas, collaborate with other Company analysts to refine these ideas,
and document the results.     
 
                                      27
<PAGE>
 
  The following table sets forth certain technology areas covered by the
Company's Giga Advisory Service:
  
- --------------------------------------------------------------------------------
                             GIGA ADVISORY SERVICE
                             RESEARCH COMPETENCIES
- --------------------------------------------------------------------------------
MANAGEMENT OF IT                         APPLICATIONS AND SOLUTIONS

 . Asset Management                       . Application Development
 . Costs of Ownership                       Tools and Methods
 . Financial Strageties for IT            . Object Technology
 . Help Desk and Customer Support         . Packaged Solutions
 . Intellectual Property and Licensing    . Personal Productivity
 . Organizing the IT Function             . Programming Environments
 . Outsourcing                            . Web Development Tools
 . Process Management                     . Workgroup and Workflow
 . Project Management                       Computing
 . Quality and Testing
 . Re-engineering IT
 . Year 2000 Problem
- --------------------------------------------------------------------------------
COMPUTER INFRASTRUCTURE                  NETWORKING AND COMMUNICATIONS

 . Client-Server Architectures            . Electronic Commerce
 . Data Management                          on the Internet
 . Data Mining                            . Internet Security
 . Desktop Computing                      . LAN Hardware and Software
  Hardware                               . Network Operating Systems
 . Middleware                             . Private Networking
 . Operating Systems                      . Protocols and Interoperability
 . Server Hardware                        . Public Networking
 . Storage Management                     . Remote Access
 . Systems Configuration                  . Telecommunications
  and Management                           Environment
 . Transaction Processing                 . Web Browsers and Clients
 . Web Servers                            . Wireless Networking
- --------------------------------------------------------------------------------
 
 RELEVANCE SERVICES
   
  The Company has begun to offer a series of Relevance Services, which combine
original analysis, data, and information produced by proprietary surveys and
methodologies with consulting, to assist in enhancing the IT practices and
operations of Giga's customers. The Company believes its Relevance Services
will be used by IT management to evaluate competitive industry practices,
benchmark their IT practices against peer practices and assist in decision
support. In July 1996, the Company introduced the first of its Relevance
Services which will consist of several studies relating to best industry
practices ("Best Practices") for IT management job functions. The initial
Relevance Service focuses on the human resources management function within
organizations, and illustrates tested IT Best Practices of individuals
performing that function. The first study within this service covers skills
assessment and management Best Practices. Results of each Relevance Service
will be furnished to customers through the studies, peer group meetings,
GigaWeb-facilitated collaborations and periodic on-site visits by the Company's
consultants.     
 
                                       28
<PAGE>
 
  The Company also plans to develop additional Relevance Services addressing
other customer IT needs. One such planned service will assist clients in
determining the benefits, productivity and returns from IT assets and
investments. The Company is also developing Relevance Services that will focus
on specific IT industry sectors and vertical applications.
 
 INFORMATION PRODUCTS
 
  Giga offers discrete information products which are not subscribed to on a
continuous basis, including separately-priced events, publications, consulting
services and econometric forecasting.
 
  Events. Through the acquisition of BIS, Giga acquired a conference
development and management operation that produced more than 20 IT industry
events in 1995 in the U.S. and Europe. In the first half of 1996, the Company
sponsored or co-sponsored six events and five half-day briefings and plans to
conduct five additional events and six half-day briefings during the remainder
of 1996. The events are targeted to IT users and vendors, and cover such
topics as business process reengineering, workflow, electronic commerce,
mobile and wireless communications and data warehousing. The Company's events
typically draw between 200 and 500 participants per conference and are
designed to showcase its analysts and encourage networking among participants.
 
  The Company establishes strategic alliances with prominent industry
associations, consulting firms, and publishing houses to enhance the quality
of its conferences and gain marketing leverage. For example, the Company has
relationships with Arthur D. Little, Inc. with which the Company co-sponsors
conferences, Smith Bucklin, Inc. and Decision Support Technology, Inc. These
relationships supplement the Company's marketing communications programs and
help build awareness of the Giga name.
 
  Publications. The Company's publications business includes special reports
and newsletters. The Company plans to publish approximately 35 reports and
newsletters in 1996. These reports include original content as well as
contributions from outside authors.
 
  Consulting. The Company offers engagement-based consulting that focuses on
solving specific customer problems in areas such as market and product line
strategy, competitive positioning, channel dynamics, product life cycle
analysis, feature and functional specification requirements and market demand
analysis. At August 31, 1996, the Company provided these consulting services
through 11 consultants located at the Company's facilities in the United
States, Europe and Australia.
   
  Econometric Forecasting. The Company's Australian subsidiary specializes in
supporting a diverse range of industries with a mix of econometric forecasting
and modeling, market research, and market analysis services. This organization
offers customers multi-client studies and subscription-based information
services in key industry sectors, including information technologies, building
and construction, economics and government, financial services, manufacturing
and commercial property.     
 
GIGAWEB
 
  GigaWeb is the Company's Internet-based information delivery interface.
GigaWeb provides customers with on-line access to the Company's analysts,
research and reports and third-party content. Customers who have shared
objectives or interests can interact with each other through on-line
discussion groups, such as electronic forums. GigaWeb is designed to optimize
the search and retrieval of the information and analyses by enabling the
selection and management of information from multiple sources based on the
customer's specific needs.
 
  GigaWeb is designed to make it easy and efficient for a customer to navigate
through the full spectrum of Giga's original research and third-party content.
Subscribers to GigaAdvisory are provided with a personalized home page (the
"Virtual Office") which may be accessed through a password using a standard
Web browser.
 
                                      29
<PAGE>
 
Based on the individualized customer profile, GigaWeb automatically selects
the particular subset of Giga original and third-party content most relevant
to the customer and delivers it to the customer's Virtual Office. In addition,
GigaWeb includes search technologies that enable customers to search for
relevant information using word searches, concept and topic associations.
GigaWeb also incorporates intelligent software agents that are designed to
accept predetermined search criteria and apply them on a repetitive basis
against selected sources of information, alerting the customer only when the
criteria under which the agent is operating finds a match. These technologies
enable the Company to provide customized information to each customer and also
allow customers to search for and select information most relevant to their
particular needs.
 
  GigaWeb is based on both proprietary and third-party software, including
both text indexing and retrieval. The Company plans to continue to evaluate
and implement technologies that can help facilitate the flow of information
from the Company to its customers. For example, the Company has established an
authoring environment based on Lotus Notes that automatically feeds research
findings over GigaWeb. The Company also offers an alternative on-line delivery
mechanism, GigaNotes, for customers that use the Lotus Notes platform for
collaboration and information access.
 
SALES, MARKETING AND CUSTOMERS
   
  As of August 31, 1996, the Company had a North American direct sales force
comprised of 41 field sales personnel. The Company's internal marketing
organization, comprised of 12 marketing personnel located primarily at the
Company's Norwell, Massachusetts facility, provides public relations, lead
generation, direct mail support and other related services. The Company plans
to approximately double its domestic sales force over the next six months and
to continue to substantially expand its domestic marketing organization. The
Company also plans to develop a domestic telemarketing group.     
   
  As of August 31, 1996, the Company had an international sales and marketing
force of 10 sales personnel in Europe and Asia Pacific. The Company plans to
expand its international sales force over the next six months and to explore
the development of alternative worldwide distribution channels.     
   
  The Company offers its Giga Advisory Service pursuant to subscription
agreements which generally provide for payment promptly following the start of
the subscription period and renew automatically each year unless cancelled by
the customer. The Company initially records contractual subscription fees as
deferred revenue and recognizes the revenue on a pro rata monthly basis over
the term of the agreement. The Company has three categories of subscribers:
members (who have full access to all of the Company's Continuous Information
Services and may make inquiries to the Company's analysts and ExperNet
practitioners); users (who have access only to the Company's research
databases and partner content), and site license seat holders (who have access
to the Company's research databases). The Company's list annual subscription
fee for these services is currently $12,000 per member, $1,200 per user and
$150 per site license seat holder for up to 250 site license seats after which
the price per site license seat varies. The Company also offers volume
discounts and transaction-based options to qualified customers.     
   
  The Company offers its Relevance Services pursuant to subscription
agreements which provide for payment in full promptly after the start of the
subscription period and renew automatically each year unless cancelled by the
customer. The Company's annual list subscription fee for its Relevance
Services ranges between $24,000 and $36,000. The Company initially records
contractual subscription fees as deferred revenue and recognizes the revenue
on a pro rata monthly basis over the term of the agreement.     
   
  The Company believes that a leading measure of the Company's volume of
business is the contract value ("Contract Value") of its Giga Advisory Service
and Relevance Services agreements in effect at a given point in time. The
Company calculates Contract Value each month as the cumulative annualized
subscription value payable under subscription agreements, without regard to
commencement date, duration or risk of cancellation. Since the introduction of
the Company's Giga Advisory Service and Relevance Services, as of August 31,
1996,     
 
                                      30
<PAGE>
 
   
the Company had entered into contracts with 86 customers having an aggregate
Contract Value of approximately $2.8 million, excluding approximately $1.1
million of subscriptions sold to former customers of the BIS Market Research
Business. The Company can give no assurance that its Contract Value will
continue to grow.     

       
  Customers of the Company's Giga Advisory Service include:
 
     AIG                                        
     Alcatel Mobile Phones                   Hewlett Packard     
                                             IBM
     The Boeing Co.                          KPMG Peat Marwick LLP
     Colonial Penn Insurance Company         National Cash Register Company
     Digital Equipment Corporation           Oracle Corporation
     Duracell Inc.                           Safeguard Scientifics, Inc.
     First USA Bank                      Southwestern Bell Telephone Company
 
COMPETITION
   
  The Company competes in the IT information services and products market
directly with other independent providers of Continuous Information Services
including Gartner Group, Inc., META Group, Inc. and Forrester Research Inc.,
and will compete with the internal planning, research and marketing staffs of
current and prospective customer organizations. The Company also competes
indirectly with other information providers, including market research firms,
"Big Six" accounting firms, consulting companies and systems integrators. Many
of the Company's direct and indirect competitors have substantially greater
financial information gathering and marketing resources than the Company.     
   
  Some of the Company's direct and indirect competitors also have established
research organizations with greater market recognition and experience in the
IT industry. There can be no assurance that the Company will continue to be
successful in establishing a competitive research organization. Delays,
difficulty in developing and achieving market acceptance of the Giga Advisory
Service and Relevance Services or customer dissatisfaction would have a
material adverse effect on the Company's business, financial condition and
results of operations. While the Company believes it can compete successfully
on the basis of price, quality, distinctiveness, and responsiveness to
customers, there are few barriers to entry into the Company's market and new
competitors could readily seek to compete in one or more market segments
addressed by the Company's services and products. There can be no assurance
that the Company's current or potential competitors will not develop services
and products comparable or superior to those developed by the Company or
respond more quickly to new or emerging industry trends or changing customer
requirements. There can be no assurance that the Company will be able to
compete successfully against existing or new competitors. In addition, any
pricing pressures, reduced margins or loss of market share resulting from
increased competition could have a material adverse effect on the Company's
business, financial condition or results of operations.     
 
BIS STRATEGIC DECISIONS ACQUISITION
   
  The Company acquired BIS in April 1995 to obtain its marketing, sales, and
other corporate infrastructures and certain of its personnel. BIS was engaged
in compiling and providing data-intensive market research to vendors for use
primarily in planning their product offerings and marketing programs. The BIS
Market Research Business offerings were principally quantitative in nature;
employed in large part relatively junior data specialists; were marketed to
purchasers of quantitative research; included little high-level advice and
analysis; were marketed in multiple separate service offerings; and focused
principally on vendors. In contrast, the Company's strategic business plan
focuses on qualitative, analytical information and advice addressed to a
broader range of customers; employs a single, integrated continuous
information model; contemplates building a cadre of high-level research
analysts and other professionals who are peers of its target customers to
develop original ideas and knowledge; and concentrates marketing of its
services and products to senior decision makers to support their critical IT
decisions. The BIS Market Research Business did not fit with Giga's business
model. Accordingly, in June 1996 the Company decided to discontinue the BIS
Market Research Business, including     
 
                                      31
<PAGE>
 
termination of the personnel employed in developing and compiling its data-
intensive market research products; assignment of its obligations under
existing BIS subscription agreements to two unrelated IT service providers;
and cessation of operations at its two leased facilities in England. See "Risk
Factors--Risks Associated With Discontinuance of BIS Market Research
Business."
 
EMPLOYEES
 
  As of August 31, 1996, the Company employed 247 persons (excluding employees
from the Company's discontinued BIS Market Research Business), including 50
analysts, 44 research and analysis support and fulfillment personnel, 51 sales
personnel, 20 conferences, events and publications personnel, 12 marketing
personnel, 11 consultants and 59 administrative and operational personnel. Of
such employees, 100 are located at the Company's facilities in Cambridge and
Norwell, Massachusetts, 67 are located at other domestic facilities or home
offices and 80 are located overseas. None of the Company's employees is
represented by a collective bargaining arrangement and the Company has
experienced no work stoppages. The Company considers its relations with
employees to be good.
 
FACILITIES
 
  The Company's headquarters are located in approximately 8,000 square feet of
office space in Cambridge, Massachusetts. This facility, together with the
Company's approximately 27,000 square feet Norwell facility, accommodate
corporate administration, research and analysis, marketing and sales and
customer support. The lease on the Cambridge facility expires in November 2000
and the lease on the Norwell facility expires in April 1998. The Company also
leases office space in four other domestic and seven international locations
to support its research and analysis, domestic and international sales efforts
and other functions. The Company believes its existing facilities and
expansion options are adequate for its current needs and that additional
facilities will be available for lease on reasonable terms to meet future
needs.
 
LEGAL PROCEEDINGS
   
  In July 1996, Alan J. Green, a former employee of the Company, filed a
lawsuit against the Company and Gideon I. Gartner in the United States
District Court for the Southern District of New York. In his complaint, Mr.
Green alleged that the Company breached an oral employment agreement with him
by failing to pay him certain compensation. In connection with this claim, Mr.
Green is seeking damages of approximately $2,200 in cash; at his option,
either the right to purchase 60,000 shares of Common Stock at a purchase price
of $.50 per share or payment of an amount of money equal to the fair market
value of 60,000 shares of Common Stock on the date that judgment is entered
less $30,000; and an option to purchase an additional 60,000 shares of Common
Stock at an exercise price of $0.50 per share. Mr. Green also alleged that the
Company and Mr. Gartner, among other things, made fraudulent representations
in inducing him to accept employment with the Company, and with respect to
this claim Mr. Green is seeking compensatory damages of $2.5 million and
punitive damages of $1.0 million. The Company believes it has meritorious
defenses and intends to vigorously defend itself against these claims.     
 
                                      32
<PAGE>
 
                                  MANAGEMENT
 
DIRECTORS AND EXECUTIVE OFFICERS
 
  The directors and executive officers of the Company are as follows:
 
<TABLE>     
<CAPTION>
       NAME                    AGE Position
       ----                    --- --------
   <C>                         <C> <S>
   Gideon I. Gartner            61 Chairman of the Board of Directors and Chief
                                    Executive Officer
   Kenneth E. Marshall          43 President and Chief Operating Officer;
                                    Director
   David L. Gilmour             38 Senior Vice President, Research &
                                    Technology; Director
   Richard B. Goldman           50 Senior Vice President and Chief Financial
                                    Officer; Treasurer; Secretary
   Leander R. Jennings, Jr.     36 Senior Vice President, Worldwide Sales
   Jeffrey L. Swartz            42 Senior Vice President, Marketing Operations,
                                    Events and Publications
   Neill H. Brownstein          52 Director
   Richard L. Crandall          53 Director
   Irwin Lieber(1)(2)           57 Director
   James D. Robinson III(1)(2)  60 Director
</TABLE>    
- --------
(1) Member of Compensation Committee
(2) Member of Audit Committee
 
  MR. GARTNER has served as Chairman of the Board of Directors and Chief
Executive Officer of the Company since its inception in March 1995. From 1993
to 1994, he was a private investor. From 1991 to 1992, he served as Chairman,
and from 1979 to 1991 he served as President, Chairman and Chief Executive
Officer, of Gartner Group, Inc., an information technology company which he
founded. From 1972 to 1979, he served as a technology analyst and subsequently
as a partner at Oppenheimer & Co., an entity engaged in the financial services
business. Mr. Gartner received his B.S. in engineering from Massachusetts
Institute of Technology ("MIT") and received an M.A. in management from MIT's
Sloan School.
 
  MR. MARSHALL has served as President and Chief Operating Officer and as a
director of the Company since December 1995. From 1990 to 1995, he served as
President and Chief Executive Officer of Object Design, Inc., a computer
software company ("Object Design"). From 1985 to 1989, he held a variety of
management positions, the last being Group Vice President, East Operations, at
Oracle Corporation, a computer software company ("Oracle"). From 1979 to 1985,
he served as a consultant at Planmetrics, Inc., a management consulting firm.
Mr. Marshall received his B.S. in education from Northeastern University and
his M.A. in economics from Boston College.
 
  MR. GILMOUR has served as Senior Vice President, Research & Technology of
the Company since April 1996 and as a director of the Company since July 1995.
From December 1995 to April 1996, he served as Senior Vice President of
Technology of the Company. From July 1993 to December 1995, he served as Chief
Executive Officer of ExperNet Corporation ("ExperNet"), an information
technology company which he founded with Mr. Gartner. From October 1992 to
April 1993, Mr. Gilmour served as acting President and Chief Executive
Officer, and from April 1991 to October 1992 and from April 1993 to July 1993
he served as Executive Vice President, Marketing, of Versant Object Technology
Corporation, a computer software company. From 1989 to 1991, he served as Vice
President--Database Systems Division, from 1986 to 1989 he served as General
Manager--Advanced Products Division, and from 1984 to 1986 he served as
Director--Product Planning, at Lotus
 
                                      33
<PAGE>
 
Development Corporation, a software company. Mr. Gilmour received a B.S. in
Applied Physics, an M.E. in engineering and an M.B.A. with distinction from
Harvard University.
 
  MR. GOLDMAN has served as Senior Vice President and Chief Financial Officer
since May 1996, and as Treasurer and Secretary of the Company since August
1996. From October 1992 to May 1996, he served as Executive Vice President,
Finance and Chief Financial Officer of Sequoia Systems, Inc., a manufacturer
of fault tolerant servers, mobile computers and other computer products. From
May 1991 to October 1992, he served as Senior Vice President, Finance and
Chief Financial Officer for Connell Limited Partnership, a multi-business
industrial equipment manufacturing company. From 1990 to 1991, he served as
Senior Vice President, Finance and Administration and Chief Financial Officer
of Alliant Computer Systems Corporation, a manufacturer of super computers.
From 1978 to 1989, he served in a number of management capacities at Prime
Computer, Inc., a supplier of mini computers and CAD/CAM services and
products, the last of which was as Senior Vice President, Finance and
Administration and Chief Financial Officer from 1988 to 1989. Mr. Goldman
received a B.S. in accounting from Northeastern University and an M.B.A. in
finance from Boston University.
 
  MR. JENNINGS has served as Senior Vice President, Worldwide Sales of the
Company since February 1996. From June 1995 to February 1996, Mr. Jennings
served as National Product and Sales Manager of the Telecom, Cable and
Wireless Division of Oracle. From 1991 to June 1995, he served as the Western
Regional Director of Object Design. From 1990 to 1991, he served as Vice
President of Sales of Carlyle Sales, Inc., a developer of library automation
systems. Mr. Jennings received a B.A. from Boston College.
   
  MR. SWARTZ has served as Senior Vice President, Marketing Operations, Events
and Publications since April 1996. From March 1995 to February 1996, he served
as Vice President, Conferences and Publications of the Company. From 1989
until 1995, he served in a number of capacities at BIS Strategic Decisions,
Inc., serving as interim Co-CEO from January until March 1995, as Senior Vice
President, Conferences and Publications Division from 1994 to 1995, as Senior
Vice President, Consulting from 1992 to 1993, and as Vice President, Research
Publications from 1989 to 1992. From 1986 to 1989 he served as an independent
consultant to and from 1982 to 1986 he served as President of Communications
Publishing Group, Inc., a newsletter publishing company which he founded. Mr.
Swartz received a B.S. in psychology from Boston College.     
 
  MR. BROWNSTEIN has served as a director of the Company since July 1995 and
has served as an advisor to the Company since its inception. Since January
1995, he has been a private investor. From 1970 to January 1995, Mr.
Brownstein was associated with Bessemer Securities Corporation and was a
founder and General Partner of three affiliated venture capital funds:
Bessemer Venture Partners L.P., Bessemer Venture Partners II L.P. and Bessemer
Venture Partners III L.P., for which he currently serves as a Special General
Partner. Since 1970, he has been president of Neill H. Brownstein Corporation,
an investment management counseling enterprise. He serves as a director of DSP
Communications, Inc. Mr. Brownstein received a B.A. from Columbia College and
an M.B.A. from the Kellogg School of Management at Northwestern University.
   
  MR. CRANDALL has served as a director of the Company since August 1995.
Since April 1994, he has served as Chairman, and from 1970 until April 1994 he
served as President and Chief Executive Officer, of Comshare, Incorporated, a
software company which he founded ("Comshare"). He currently serves on the
Board of Directors of Comshare, Computer Task Group, Incorporated and Diebold,
Incorporated. Mr. Crandall received a B.S. in electrical engineering, a B.S.
in mathematics and an M.S.E. in industrial engineering from the University of
Michigan.     
 
  MR. LIEBER has served as a director of the Company since November 1995.
Since 1979, he has served as Chairman and Chief Executive Officer of Geo
Capital Corporation, a investment advisory firm which he founded.
Additionally, Mr. Lieber has served as a corporate officer of InfoMedia
Associates Ltd., a general partner of 21st Century Communications Partners,
L.P., an investment fund. From 1970 to 1979, Mr. Lieber was a General Partner
of First Manhattan Co., an investment management, brokerage and investment
banking firm. Mr. Lieber is a director of LeaRonal Inc. He received a B.S.
degree in electrical engineering from City College of New York and an M.S.
degree in electrical engineering from Syracuse University.
 
                                      34
<PAGE>
 
  MR. ROBINSON has served as a director of the Company since August 1995.
Since 1994, Mr. Robinson has served as Chairman and Chief Executive Officer of
RRE Investors, L.L.C., a venture capital firm which he co-founded. From 1977
to 1993, Mr. Robinson served as Chairman and Chief Executive Officer of the
American Express Company and held a series of executive positions with
American Express Company from 1970 to 1976. Mr. Robinson is a director of The
Coca-Cola Company, Union Pacific Corporation, Bristol-Meyers Squibb Company,
First Data Corporation, New World Communications Group, Incorporated,
Alexander & Alexander Services Inc. and Cambridge Technology Partners
(Massachusetts), Inc. Mr. Robinson received a B.S. from the Georgia Institute
of Technology and an M.B.A. from Harvard University.
 
  Following the Offering, the Board of Directors will be divided into three
classes, each of whose members will serve for a staggered three-year term. The
Board will consist of three Class I Directors (Messrs. Gilmour, Crandall and
Lieber), two Class II Directors (Messrs. Marshall and Brownstein) and two
Class III Directors (Messrs. Gartner and Robinson). At each annual meeting of
stockholders, a class of directors will be elected for a three-year term to
succeed directors of the same class whose term is then expiring. The terms of
the Class I Directors, Class II Directors and Class III Directors will expire
upon the election and qualification of successor directors at the annual
meeting of stockholders held during the calendar years 1997, 1998 and 1999,
respectively.
 
  Certain of the current directors of the Company were nominated and elected
in accordance with a stockholders voting agreement. This agreement will
terminate upon the consummation of the Offering. See "Certain Transactions."
Mr. Marshall serves on the Board of Directors pursuant to the terms of his
Employment Agreement. See "--Executive Compensation."
 
  Each officer serves at the discretion of the Board of Directors. There are
no family relationships among any of the directors and executive officers of
the Company.
 
BOARD COMPENSATION
 
  Each non-employee director is reimbursed for expenses incurred in connection
with his attendance at meetings of the Board of Directors and committees
thereof. Directors who are employees of the Company currently receive no
compensation for serving as directors.
 
  For a discussion of transactions between the Company and certain directors
of the Company, see "Certain Transactions."
 
                                      35
<PAGE>
 
EXECUTIVE COMPENSATION
   
  The following table sets forth the compensation for the fiscal year ended
December 31, 1995 of the Company's Chief Executive Officer and the Company's
other most highly compensated executive officer whose annual cash compensation
exceeds $100,000 (the Chief Executive Officer and such other executive officer
are hereinafter referred to as the "Senior Executives"):     
 
                          SUMMARY COMPENSATION TABLE
 
<TABLE>
<CAPTION>
                                                                     LONG-TERM
                                                     ANNUAL         COMPENSATION
                                                  COMPENSATION         AWARDS
                                              --------------------- ------------
                                                                     NUMBER OF
                                                                     SECURITIES
                  NAME AND                                           UNDERLYING
             PRINCIPAL POSITION               SALARY($)(1) BONUS($)   OPTIONS
             ------------------               ------------ -------- ------------
<S>                                           <C>          <C>      <C>
Gideon I. Gartner............................     0(2)         0      660,000
 Chairman of the Board of Directors
 and Chief Executive Officer
David L. Gilmour(3)..........................    129,838       0      120,000
 Senior Vice President,
 Research & Technology; Director
</TABLE>
- --------
(1) Includes amounts payable in 1995 and/or 1996 for services rendered by the
    Senior Executives in 1995. Other compensation in the form of perquisites
    and other personal benefits has been omitted because it constitutes the
    lesser of $50,000 or ten percent of the total annual salary and bonus of
    each of the Senior Executives in 1995.
(2) In 1995, Mr. Gartner was paid no compensation for his services as Chairman
    of the Board of Directors and Chief Executive Officer of the Company. In
    1996, Mr. Gartner will receive annual compensation and will be entitled to
    receive a cash bonus in such amount as shall be determined by the Board of
    Directors or Compensation Committee thereof.
(3) In 1995, Mr. Gilmour served as Chief Executive Officer of ExperNet, which
    became a wholly-owned subsidiary of the Company in that year.
 
  The following table sets forth certain information regarding options granted
by the Company to each of the Senior Executives during the fiscal year ended
December 31, 1995:
 
                       OPTION GRANTS IN LAST FISCAL YEAR
<TABLE>
<CAPTION>
                                        INDIVIDUAL GRANTS
                                      ----------------------
                                                                            POTENTIAL
                                                                           REALIZABLE
                                                                              VALUE
                                                                           AT ASSUMED
                           NUMBER                                        ANNUAL RATES OF
                             OF        PERCENT OF   EXERCISE               STOCK PRICE
                         SECURITIES   TOTAL OPTIONS  PRICE              APPRECIATION FOR
                         UNDERLYING    GRANTED TO     PER               OPTION TERM($)(1)
                          OPTIONS     EMPLOYEES IN   SHARE   EXPIRATION -----------------
                          GRANTED      FISCAL YEAR    ($)       DATE       5%      10%
                         ----------   ------------- -------- ---------- -------- --------
<S>                      <C>          <C>           <C>      <C>        <C>      <C>
Gideon I. Gartner.......  500,000(2)      16.1%      $0.50    10/16/05  $157,224 $398,436
                          160,000(2)       5.1        0.50    07/06/05    50,312  127,499
David L. Gilmour........  120,000(3)       3.9        0.50    07/06/05    37,734   95,625
</TABLE>
- --------
(1) The amounts shown on this table represent hypothetical gains that could be
    achieved for the respective options if exercised at the end of the option
    term. These gains are based on assumed rates of stock appreciation of 5%
    and 10%, compounded annually from the date the respective options were
    granted to their expiration date. The gains shown are net of the option
    exercise price, but do not include deductions for taxes or other expenses
    associated with the exercise. Actual gains, if any, on stock option
    exercises will depend on the future performance of the Common Stock, the
    optionholders' continued employment through the option period and the date
    on which the options are exercised.
(2) These stock options are immediately exercisable.
   
(3) Twenty-five percent of the shares subject to the option vest on July 6,
    1996 and one forty-eighth of the remaining shares vest monthly thereafter.
        
                                      36
<PAGE>
 
  The following table sets forth certain information concerning stock options
held as of December 31, 1995 by each of the Senior Executives:
 
                      AGGREGATED OPTION EXERCISES IN LAST
                        FISCAL YEAR AND FISCAL YEAR-END
                                 OPTION VALUES
 
<TABLE>
<CAPTION>
                                                      NUMBER OF SHARES
                                                         UNDERLYING           VALUE OF UNEXERCISED
                                                     UNEXERCISED OPTIONS      IN-THE-MONEY OPTIONS
                            NUMBER OF                AT FISCAL YEAR-END       AT FISCAL YEAR END(1)
                         SHARES ACQUIRED  VALUE   ------------------------- -------------------------
          NAME             ON EXERCISE   REALIZED EXERCISABLE/UNEXERCISABLE EXERCISABLE/UNEXERCISABLE
          ----           --------------- -------- ------------------------- -------------------------
<S>                      <C>             <C>      <C>                       <C>                      
Gideon I. Gartner.......         0           0         660,000/   0           $6,207,000/$   0
David L. Gilmour........         0           0            0   /120,000        $    0   /$1,140,000
</TABLE>
- --------
   
(1) Represents the total gain which would be realized if all in-the-money
    options held at December 31, 1995 were exercised, determined by
    multiplying the number of shares underlying the options by the difference
    between the assumed initial public offering price of $10.00 per share and
    the per share option exercise price. An option is in-the-money if the fair
    market value of the underlying shares exceeds the exercise price of the
    option.     
 
 Employment Agreements
 
  Gideon I. Gartner. The Company has entered into a non-competition agreement
with Mr. Gartner, dated November 13, 1995, pursuant to which Mr. Gartner has
agreed not to compete with the Company, solicit any employee or take away any
customer of the Company either during his employment with the Company or for
so long thereafter as the Company continues to pay Mr. Gartner annual
compensation of at least $120,000 (whether as an employee, consultant or in
the form of severance or post-employment benefits).
   
  Kenneth E. Marshall. Mr. Marshall serves as President and Chief Operating
Officer pursuant to the terms of a five-year employment agreement with the
Company, dated December 1, 1995. During the term of his employment, Mr.
Marshall will serve as a director of the Company and will have the right to
recommend one person to serve on the Board of Directors. Mr. Marshall is
entitled to a base salary of $160,000 and a guaranteed bonus of $80,000 for
1996, and a base salary of $192,000 and a target bonus of $96,000, of which
$48,000 is guaranteed, for 1997. Pursuant to the employment agreement, Mr.
Marshall was granted a stock option to purchase 600,000 shares of Common Stock
at an exercise price of $0.50 per share and received a loan from the Company
in the amount of $20,000. Twenty-five percent of the shares subject to the
option vest on January 31, 1997 and one forty-eighth of the remaining shares
vest monthly thereafter. In addition, the Company has agreed to grant
Mr. Marshall an option to purchase 80,000 shares of Common Stock if the
Company achieves certain goals for the year ended December 31, 1996. If Mr.
Marshall terminates his employment for cause or is terminated by the Company
other than for cause, the agreement provides for a severance payment of
$160,000 in the event termination occurs prior to January 31, 1997, or, in the
event such termination occurs on or following January 31, 1997, 50% of his
average annual base salary during the twelve months prior to such termination.
In addition, Mr. Marshall has agreed not to compete with the Company either
during his employment and for a period of one year thereafter.     
   
  David L. Gilmour. Mr. Gilmour serves as Senior Vice President, Research &
Technology pursuant to the terms of a two-year employment agreement, dated
July 6, 1995, with ExperNet, at the time a majority-owned subsidiary of the
Company, to which the Company is successor by reason of the merger of ExperNet
with and into the Company. Pursuant to the terms of the employment agreement,
Mr. Gilmour was elected to serve as a director of the Company. Mr. Gilmour was
entitled to receive a salary of $90,000 per year through August 1995 and a
salary of $160,000 per year commencing on September 1, 1995. If Mr. Gilmour is
terminated without cause before July 6, 1997, he is entitled to a severance
payment equal to one year's salary and thirty percent of all unvested options
become immediately exercisable. If Mr. Gilmour is terminated without cause, he
has agreed to provide the Company with consultation services for up to one-
quarter time for one year after such termination.     
 
                                      37
<PAGE>
 
He also has agreed that he will not engage in any activities that are designed
to impact the Company negatively in the marketplace, which agreement will
terminate on the latter to occur of one year after such termination or the
date Mr. Gilmour divests himself of all shares of the Company's capital stock
then owned by him.
   
  Leander R. Jennings, Jr. Mr. Jennings serves as Senior Vice President,
Worldwide Sales pursuant to the terms of an employment agreement with the
Company, dated February 1, 1996. The employment agreement terminates on June
30, 1997. Mr. Jennings is entitled to receive a base salary of $120,000, plus
commissions and relocation expenses, for the first twelve months, and
thereafter as may be determined by the Compensation Committee of the Board of
Directors. Pursuant to the employment agreement, Mr. Jennings was granted an
option to purchase 120,000 shares of Common Stock at $.60 per share. Twenty-
five percent of the shares subject to the option vest on February 1, 1997 and
one forty-eighth of the remaining shares vest monthly thereafter. Mr. Jennings
is also entitled to receive additional options if certain sales quotas are met
in 1997. If his employment is terminated by the Company other than for cause,
the agreement provides for a severance payment equal to the greater of (i) the
base salary he would have received had his employment not been so terminated
and (ii) the amount that would be payable to Mr. Jennings for the greater of
the remainder of his term of employment or six months. In addition, Mr.
Jennings has agreed not to compete with the Company either during his
employment by the Company and for a period of one year thereafter.     
 
 Stock Plans
   
  1995 Stock Option/Stock Issuance Plan. The Company's 1995 Stock Option/Stock
Issuance Plan, as amended (the "1995 Stock Plan"), was adopted by the Board of
Directors in September 1995 and was approved by the stockholders in February
1996. Under the terms of the 1995 Stock Plan, the Company is authorized to
make awards of restricted stock and to grant incentive stock options within
the meaning of Section 422 of the Internal Revenue Code of 1986, as amended
(the "Code") ("incentive stock options"), and stock options not intended to
qualify as incentive stock options ("non-statutory stock options"), to
employees, officers and directors of, and consultants and advisors to, the
Company and its subsidiaries. A total of 3,100,000 shares of Common Stock may
be issued upon the exercise of options or restricted stock awards granted
under the 1995 Stock Plan.     
 
  The Board of Directors is authorized to select the option recipients and to
determine the kind and terms of each option, including (i) the number of
shares of Common Stock subject to each option, (ii) the option exercise price,
(iii) the vesting schedule of the option, and (iv) the duration of the option.
Options are generally not assignable or transferable except by will or the
laws of descent and distribution.
 
  Restricted stock awards under the 1995 Stock Plan entitle the recipient to
purchase Common Stock from the Company under terms which provide for vesting
over a period of time and a right of repurchase of unvested stock by the
Company when the recipient's relationship with the Company terminates. The
Board of Directors is authorized to select the recipients of restricted stock
awards and to determine the terms of each award, including (i) the dates on
which restricted stock awards are made, (ii) the number of shares of Common
Stock subject to the award, (iii) the purchase price (which can be less than
the fair market value of the Common Stock) of the award, and (iv) the vesting
schedule of the award. The recipients may not sell, transfer or otherwise
dispose of shares subject to a restricted stock award until such shares are
vested. Upon termination of the recipient's relationship with the Company, the
Company will be entitled to repurchase those shares which are not vested on
the termination date at a price equal to their original purchase price.
   
  As of August 31, 1996, 48,653 shares of Common Stock were available for
future grant under the 1995 Stock Plan. However, in connection with the
adoption of the 1996 Option Plan (defined below), the Board of Directors
amended the 1995 Stock Plan to provide that all future options would only be
granted under the 1996 Option Plan.     
 
  1996 Stock Option Plan. The Company's 1996 Stock Option Plan (the "1996
Option Plan") was adopted by the Board of Directors, subject to approval by
the stockholders of the Company, in August 1996. The 1996
 
                                      38
<PAGE>
 
Option Plan provides for the grant of stock options to employees, officers and
directors of, and consultants or advisors to, the Company and its
subsidiaries. Under the 1996 Option Plan, the Company may grant incentive
stock options or non-statutory stock options. Incentive stock options may only
be granted to employees of the Company. A total of 3,000,000 shares of Common
Stock may be issued upon the exercise of options granted under the 1996 Option
Plan. The maximum number of shares with respect to which options may be
granted to any employee under the 1996 Option Plan shall not exceed 100,000
shares of Common Stock during any calendar year.
 
  The 1996 Option Plan is administered by the Compensation Committee of the
Board of Directors. Subject to the provisions of the 1996 Option Plan, the
Compensation Committee has the authority to select option recipients and to
determine the kind and terms of each option, including (i) the number of
shares of Common Stock subject to the option, (ii) the option exercise price,
which, in the case of incentive stock options, must be at least 100% (110% in
the case of incentive stock options granted to a stockholder owning in excess
of 10% of the Company's Common Stock) of the fair market value of the Common
Stock as of the date of grant, (iii) the vesting schedule of the option, and
(iv) the duration of the option (which, in the case of incentive stock
options, may not exceed ten years).
   
  Payment of the option exercise price may be made in cash, shares of Common
Stock, a combination of cash and Common Stock or by any other method
(including delivery of a promissory note payable on terms specified by the
Compensation Committee) approved by the Compensation Committee consistent with
Section 422 of the Code and Rule 16b-3 under the Securities Exchange Act of
1934, as amended. Options are not assignable or transferable except by will or
the laws of descent and distribution and, in the case of non-statutory
options, pursuant to a "qualified domestic relations order" (as defined in the
Code).     
 
  1996 Employee Stock Purchase Plan. The Company's 1996 Employee Stock
Purchase Plan (the "1996 Purchase Plan") was adopted by the Board of
Directors, subject to approval by the stockholders, in August 1996, and will
become effective upon the consummation of the Offering. The 1996 Purchase Plan
authorizes the issuance of up to 400,000 shares of Common Stock to
participating employees.
   
  All employees of the Company, including directors of the Company who are
employees and all employees of the Company's subsidiaries whose customary
employment is more than 25 hours per week and for more than six months in any
calendar year, are eligible to participate in the 1996 Purchase Plan.
Employees who would immediately after a grant own 5% or more of the total
combined voting power or value of the Common Stock of the Company or any
subsidiary are not eligible to participate.     
   
  On the first day of a payroll deduction period, as designated by the
Compensation Committee of the Board of Directors (the "Offering Period"), the
Company will grant to each eligible employee who has elected to participate in
the 1996 Purchase Plan an option to purchase shares of Common Stock. The
employee may authorize a percentage (as determined by the Compensation
Committee and in no event greater than 10%) of such employee's regular pay to
be deducted by the Company during the Offering Period and applied to the
purchase of Common Stock. On the last day of the Offering Period, the employee
is deemed to have exercised the option, at the option exercise price, to the
extent of all accumulated payroll deductions. Under the terms of the 1996
Purchase Plan, the option price is an amount equal to 85% of the fair market
value per share of the Common Stock on either the first day or the last day of
the Offering Period, whichever is lower. No employee may purchase Common Stock
under the 1996 Purchase Plan at a rate which exceeds $25,000 of the fair
market value of such Common Stock (determined on the commencement date of the
Offering Period) in any calendar year. The Compensation Committee may, in its
discretion, choose an Offering Period of 12 months or less for each Offering
Period.     
 
  If an employee is not a participant of the 1996 Purchase Plan on the last
day of the Offering Period, such employee is not entitled to exercise any
option and the amount of such employee's accumulated payroll deductions will
be refunded. An employee's rights under the 1996 Purchase Plan terminate upon
voluntary withdrawal from the 1996 Purchase Plan at any time or when such
employee ceases employment for any reason,
 
                                      39
<PAGE>
 
except that upon termination of employment because of death, the employee's
beneficiary has certain rights to elect to exercise the option to purchase the
shares which the accumulated payroll deductions in the participant's account
would purchase on the date of death.
 
  401(k) Profit Sharing Plan. The Company maintains a 401(k) Profit Sharing
Plan (the "401(k) Plan"), a tax-qualified plan covering all of its employees
who are at least 21 years of age and have completed one year of service with
the Company. Each employee may elect to reduce his or her current compensation
by up to 10% (on a pre-tax basis). The Company matches by 25% that portion of
an employee's contribution representing the first 3% of an employee's base
salary and by 50% that portion representing the next 3% of an employee's base
salary.
 
  All employee and Company contributions to the 401(k) Plan are fully vested
at all times. Upon termination of employment, an employee may elect a lump sum
distribution of all amounts contributed by him or her under the 401(k) Plan.
Early withdrawals from amounts contributed under the 401(k) Plan are allowed
under certain circumstances, such as disability. In addition, subject to
certain restrictions, employees may take a loan drawn on contributions made by
the employee under the 401(k) Plan.
 
COMPENSATION COMMITTEE INTERLOCKS AND INSIDER PARTICIPATION
 
  The members of the Compensation Committee are Irwin Lieber and James D.
Robinson III.
 
                                      40
<PAGE>
 
                             CERTAIN TRANSACTIONS
 
  In 1995, Mr. Gartner, Chairman of the Board of Directors and Chief Executive
Officer of the Company, contributed approximately $1.0 million to the capital
of the Company. In consideration for such capital contribution, the Company
issued to Mr. Gartner (i) in March 1995, 4,200,000 shares of Common Stock at a
purchase price of $0.02375 per share, (ii) in July 1995, 240,000 shares of
Series A Preferred Stock at a purchase price of $1.25 per share, and (iii) in
October 1995, 1,200,000 shares of Common Stock at a purchase price of $0.50
per share. The shares of Common Stock and Series A Preferred Stock of the
Company issued to Mr. Gartner are subject to restrictions on transfer and
rights of first offer pursuant to an agreement entered into in November 1995
among Mr. Gartner, the Company and certain stockholders, which agreement will
terminate upon the consummation of the Offering. In addition, Mr. Gartner has
made loans totalling $221,000 to ExperNet and $186,000 to the Company, which
loans were repaid, together with interest thereon, in December 1995 and August
1995, respectively.
 
  In July 1995, Giga acquired all of the ExperNet shares owned by Mr. Gartner
and a majority of the ExperNet shares owned by Mr. Gilmour, aggregating 77.8%
of ExperNet's outstanding common stock, in exchange for (i) 160,000 shares of
Series A Preferred Stock (640,000 shares on an as-converted basis) of the
Company, 80,000 shares (320,000 shares on an as-converted basis) of which were
issued to Mr. Gartner and 80,000 shares (320,000 shares on an as-converted
basis) of which were issued to Mr. Gilmour, and (ii) the issuance to Mr.
Gartner of a fully-vested option to purchase 160,000 shares of Common Stock at
an exercise price of $0.50 per share. In December 1995, the Company acquired
Mr. Gilmour's remaining 22.2% interest in ExperNet in exchange for a $400,000
6% Convertible Note due December 31, 2005 (the "Convertible Note"). The
Convertible Note is convertible at any time after December 31, 1996 at the
option of Mr. Gilmour into shares of the Company's Series B Preferred Stock
pursuant to a formula set forth in the Convertible Note. The shares of Series
A Preferred Stock, as well as the shares of Series B Preferred Stock issuable
upon the conversion of the Convertible Note held by Mr. Gilmour, are subject
to repurchase by the Company under certain circumstances. In addition, Mr.
Gilmour made loans totalling $101,000 to ExperNet, which loans were repaid in
full, together with interest thereon, by ExperNet in December 1995.
 
  In July 1995, the Company issued and sold an aggregate of 2,280,000 shares
of Series A Preferred Stock at a purchase price of $1.25 per share to a
limited number of investors, including Mr. Brownstein (240,000 shares), Mr.
Crandall (60,000 shares) and Mr. Robinson (40,000 shares).
 
  In August 1995, the Company entered into a Convertible Promissory Note and
Warrant Purchase Agreement (the "Note and Warrant Agreement") with RRE Giga
Investors, L.P. ("RRE Giga"), pursuant to which the Company borrowed $2.0
million from RRE Giga and issued RRE Giga a convertible promissory note (the
"Note") in the principal amount of $2,000,000 and a warrant to purchase
285,714 shares of Common Stock at an exercise price of $2.345 per share (the
"Series B Warrant"). In November 1995, the Note was converted into 571,428
shares of Series B Preferred Stock. Mr. Robinson, a director of the Company,
is Chairman and Chief Executive Officer of RRE Investors, L.L.C., the General
Partner of RRE Giga.
   
  In August 1995, the Company entered into a consulting arrangement with Mr.
Crandall, a director of the Company. The arrangement provided for payment to
Mr. Crandall of $50,000 per annum in 1995 and $60,000 per annum in 1996. In
lieu of certain payments due to Mr. Crandall, the Company issued to Mr.
Crandall 120,000 shares of Common Stock at a purchase price of $0.50 per
share. The shares are subject to vesting and certain restrictions on transfer.
In July 1996, as compensation for the consulting services Mr. Crandall will
render to the Company for the twelve month period ending June 30, 1997, the
Company granted to Mr. Crandall an option to purchase 20,000 shares of Common
Stock at an exercise price of $0.60 per share. Twenty-five percent of the
shares subject to the option vest one year from the date of grant and one
forty-eighth of the remaining shares vest monthly thereafter.     
 
  In October 1995, the Company sold to Mr. Brownstein, a director of the
Company, 80,000 shares of Common Stock at a purchase price of $.50 per share.
The shares are subject to vesting and certain restrictions on transfer.
 
                                      41
<PAGE>
 
   
  In November 1995 and February 1996, the Company issued and sold an aggregate
of 5,272,215 shares of Series B Preferred Stock, at a purchase price of $3.50
per share, to a limited number of investors, including the following persons
and entities who are directors, affiliates of directors and/or principal
stockholders of the Company:     
 
<TABLE>
<CAPTION>
                                                                   TOTAL
                     NAME                     NO. OF SHARES CONSIDERATION PAID
                     ----                     ------------- -------------------
   <S>                                        <C>           <C>
   21st Century Communications Partners,
    L.P.....................................     968,615        $3,390,153
   21st Century Communications T-E Partners,
    L.P.....................................     329,560         1,153,460
   21st Century Communications Foreign Part-
    ners, L.P...............................     130,397           456,390
   Quota Fund N.V...........................     224,000           784,000
   Haussmann Holdings.......................     288,000         1,008,000
   Montgomery Small Cap Partners, L.P.......      40,000           140,000
   Montgomery Small Cap Partners II, L.P....      96,000           336,000
   Montgomery Small Cap Partners III, L.P...      40,000           140,000
   Nosrob Investments Ltd...................      48,000           168,000
   RRE Giga Investors, L.P..................     571,428         2,000,000
   RRE Giga Investors II, L.P...............     288,571         1,010,000
   Neill and Linda Brownstein...............      16,000            56,000
</TABLE>
 
  Mr. Lieber, a director of the Company, is a corporate officer of InfoMedia
Associates, Ltd., which is a General Partner of 21st Century Communications
Partners, L.P., 21st Century Communications T-E Partners, L.P. and 21st
Century Communications Foreign Partners, L.P. Mr. Robinson, a director of the
Company, is Chairman and Chief Executive Officer of RRE Investors, L.L.C., the
General Partner of RRE Giga and RRE Giga Investors II, L.P.
 
  Montgomery Securities served as private placement agent in connection with
the sale by the Company of the Series B Preferred Stock. In consideration for
such private placement agent services, Montgomery Securities received a
placement agent fee of $695,105 and a warrant to purchase 107,876 shares of
Series B Preferred Stock, exercisable for five years from the date of issuance
at an exercise price of $4.625 per share. Montgomery Securities is a limited
partner of Montgomery Asset Management, L.P., which is the investment advisor
for Montgomery Small Cap Partners, L.P., Montgomery Small Cap Partners II,
L.P., Montgomery Small Cap Partners III, L.P., Quota Fund N.V., Haussmann
Holdings and Nosrob Investments Ltd.
 
  In December 1995, the Company loaned to Mr. Marshall, its President and
Chief Operating Officer, $20,000 pursuant to the terms of a promissory note
which bears interest at 5.74% per annum. The loan, plus interest, is payable
in full on December 1, 1996.
 
  In January 1996, the Company entered into a one-year consulting agreement
with the Neill H. Brownstein Corporation (the "Brownstein Corporation"), of
which the sole shareholder is Neill H. Brownstein, a director of the Company.
Pursuant to the consulting agreement, the Brownstein Corporation is entitled
to receive a consulting fee of $60,000, plus reasonable expenses, payable
quarterly. The Brownstein Corporation has agreed that during the term of the
agreement and for a period of one year thereafter, the Brownstein Corporation
will not use any of the Company's proprietary or confidential information or
disclose such proprietary and confidential information to any third party.
 
  Messrs. Gartner, Gilmour, Robinson and Lieber were elected to the Board of
Directors pursuant to the terms of an Investor Rights and Voting Agreement
dated November 13, 1995 among the Company, Messrs. Gartner and Gilmour and
certain stockholders of the Company. The agreement terminates upon the
consummation of the Offering.
 
  For a description of certain transactions between the Company and certain
directors of the Company, see "Management--Director Compensation." For a
description of certain employment and other arrangements
 
                                      42
<PAGE>
 
between the Company and certain executive officers of the Company, see
"Management--Executive Compensation" and "Management--Employment Agreements."
 
  The Company believes that the securities issued in the transactions
involving the Company described above were sold by the Company at their then
fair market value and that the terms of the transactions described above were
no less favorable than the Company could have obtained from unaffiliated third
parties.
 
  The Company has adopted a policy, effective following the consummation of
the Offering, that all material transactions between the Company and its
officers, directors and other affiliates must (i) be approved by a majority of
the members of the Company's Board of Directors and by a majority of the
disinterested members of the Company's Board of Directors, and (ii) be on
terms no less favorable to the Company than could be obtained from
unaffiliated third parties. In addition, this policy will require that any
loans by the Company to its officers, directors or other affiliates be for
bona fide business purposes only.
 
                                      43
<PAGE>
 
                            PRINCIPAL STOCKHOLDERS
 
  The following table sets forth certain information regarding the beneficial
ownership of the Common Stock of the Company as of July 31, 1996 (assuming the
conversion of all outstanding shares of all series of Preferred Stock into
Common Stock), and as adjusted to reflect the sale of the shares of Common
Stock offered hereby, by (i) each person or entity known to the Company to
beneficially own more than 5% of the Company's Common Stock, (ii) each of the
Company's directors, (iii) each of the Senior Executives and (iv) all
directors and executive officers as a group.
 
<TABLE>
<CAPTION>
                                                  PERCENTAGE OF SHARES
                                                BENEFICIALLY OWNED(1)(2)
                                                ----------------------------
                             NUMBER OF SHARES
   NAME AND ADDRESS OF      BENEFICIALLY OWNED     BEFORE          AFTER
    BENEFICIAL OWNER       PRIOR TO OFFERING(1)   OFFERING        OFFERING
   -------------------     -------------------- ------------    ------------
<S>                        <C>                  <C>             <C>
21st Century                    1,428,572(3)              10.5%            8.1%
Communications Partners
L.P. ....................
767 Fifth Avenue, 45th
Floor
New York, NY 10153
Entities affiliated with         1,049,143(4)              7.7             5.9
S/2/ Technology
Corporation..............
515 Madison Avenue, Suite
4200
New York, NY 10022
Funds managed by                   736,000(5)              5.4             4.2
Montgomery Asset
Management, L.P..........
101 California Street
San Francisco, CA 94111
RRE Giga Investors,              1,145,713(6)              8.2             6.4
L.P......................
126 East 56th Street,
22nd Floor
New York, NY 10022
Gideon I. Gartner........        6,608,000(7)             46.1            36.1
c/o Giga Information
Group, Inc.
One Kendall Square
Cambridge, MA 02139
David L. Gilmour.........          355,000(8)              2.6             2.0
Neill H. Brownstein......          360,000(9)              2.6             2.0
Richard L. Crandall......          180,000(10)             1.3             1.0
Irwin Lieber.............        1,428,572(11)            10.5             8.1
James D. Robinson III....        1,185,713(12)             8.5             6.6
Kenneth E. Marshall......                0                 --              --
Richard B. Goldman.......                0                 --              --
Leander R. Jennings,                     0                 --              --
Jr. .....................
Jeffrey L. Swartz........           14,166(13)         *               *
All directors and execu-
 tive officers as a group
 (10 persons)............       10,131,451(14)            69.1            54.3
</TABLE>
- --------
   * Less than 1%
 (1) Each stockholder possesses sole voting and investment power with respect
     to the shares listed, except as otherwise noted. Amounts shown include
     shares issuable within the 60-day period following July 31, 1996 pursuant
     to the exercise of options or warrants.
 (2) On July 31, 1996, there were 13,664,148 shares of Common Stock
     outstanding, assuming the conversion of all outstanding shares of all
     series of Preferred Stock into Common Stock.
 (3) Includes 968,615 shares of Common Stock held by 21st Century
     Communications Partners, L.P., a limited partnership ("21-CCP"), 329,560
     shares of Common Stock held by 21st Century Communications T-E Partners,
     L.P., a limited partnership ("21-CCTEP") and 130,397 shares of Common
     Stock held by 21st Century Communications Foreign Partners, L.P., a
     limited partnership ("21-CCFP").
 
                                      44
<PAGE>
 
 (4) S/2/ Technology Corporation ("S Squared"), an investment manager, is the
     General Partner of (i) Sci-Tech Investment Partners L.P., which holds
     98,058 shares of Common Stock, (ii) SG Partners, L.P., which holds 84,127
     of Common Stock, and (iii) Executive Technology, L.P., which holds 66,080
     shares of Common Stock. Seymour L. Goldblatt, the President of S Squared,
     is the Managing Director of both The Matrix Technology Group, which holds
     39,746 shares of Common Stock, and Core Technology Fund, Inc., which
     holds 184,339 shares of Common Stock. S Squared serves as an investment
     advisor to each of the foregoing funds and exercises by agreement
     investment and voting power on behalf of each fund. Mr. Goldblatt, as
     President of S Squared, also exercises by agreement investment and voting
     power for the following funds: (i) Yale University, which holds 524,581
     shares of Common Stock, (ii) Yale University Retirement Plan for Retired
     Employees, which holds 25,752 shares of Common Stock, and (iii) Monstol
     Investment N.V., which holds 26,460 shares of Common Stock.
 (5) Includes 224,000 shares of Common Stock held by Quota Fund N.V., 288,000
     shares of Common Stock held by Haussmann Holdings, 40,000 shares of
     Common Stock held by Montgomery Small Cap, L.P., 96,000 shares of Common
     Stock held by Montgomery Small Cap Partners II, L.P., 40,000 shares of
     Common Stock held by Montgomery Small Cap Partners III, L.P. and 48,000
     shares of Common Stock held by Nosrob Investments Ltd. Montgomery Asset
     Management, L.P. serves as the investment advisor to each of these funds
     and shares investment and voting power with the General Partners of each
     fund.
 (6) Includes 285,714 shares of Common Stock issuable to RRE Giga Investors,
     L.P. ("RRE Giga") upon the exercise of a warrant exercisable within 60
     days of July 31, 1996, which warrant will terminate if not exercised
     prior to the consummation of the Offering, 571,428 shares of Common Stock
     held by RRE Giga and 288,571 shares of Common Stock held by RRE Giga
     Investors II, L.P ("RRE Giga II").
 (7) Includes options to purchase 660,000 shares of Common Stock which are
     exercisable within 60 days of July 31, 1996. Also includes 660,000 shares
     of Common Stock which are held of record by members of Mr. Gartner's
     family. Mr. Gartner disclaims beneficial ownership of shares held by
     members of his family.
 (8) Includes options to purchase 35,000 shares of Common Stock which are
     exercisable within 60 days of July 31, 1996.
 (9) Includes 24,000 shares of Common Stock held by Mr. Brownstein's children
     and 16,000 shares of Common Stock held by Mr. Brownstein and his spouse
     jointly. Mr. Brownstein disclaims beneficial ownership of the 18,000
     shares of Common Stock held by his adult children, Adam J. and Todd D.
     Brownstein, and Will Gordon, the adult child of his spouse. Mr.
     Brownstein disclaims beneficial ownership of the 6,000 shares of Common
     Stock held by his minor child, Emily Hamilton; however, Mr. Brownstein
     claims investment and voting power with respect to these shares. Of the
     shares held by Mr. Brownstein directly, 80,000 of such shares are subject
     to repurchase by the Company under certain circumstances.
(10) Includes 120,000 shares of Common Stock which are subject to repurchase
     by the Company under certain circumstances.
(11) Includes 968,615 shares of Common Stock held by 21-CCP, 329,560 shares of
     Common Stock held by 21-CCTEP and 130,397 shares of Common Stock held by
     21-CCFP. Mr. Lieber, a director of the Company, is a General Partner of a
     General Partner of 21-CCP, 21-CCTEP and 21-CCFP. Mr. Lieber disclaims
     beneficial ownership of such shares, except to the extent of his
     pecuniary interest in such shares. Mr. Lieber shares dispositive and
     voting power of such shares with the General Partners of the General
     Partner of each fund.
   
(12) Includes 857,142 shares held by RRE Giga, including 285,714 shares
     issuable to RRE Giga upon the exercise of a warrant exercisable within 60
     days of July 31, 1996, which warrant will terminate if not exercised
     prior to the consummation of the Offering, and 288,571 shares of Common
     Stock held by RRE Giga II. Mr. Robinson, a director of the Company, is a
     General Partner of RRE Investors, L.L.C., the General Partner of RRE Giga
     and RRE Giga II. Mr. Robinson disclaims beneficial ownership of such
     shares, except to the extent of his pecuniary interest in such shares.
     Mr. Robinson shares dispositive and voting power of such shares with the
     General Partners of RRE Investors, L.L.C.     
(13) Represents shares which Mr. Swartz has the right to acquire within 60
     days of July 31, 1996 upon exercise of stock options.
(14) Includes 994,880 shares of Common Stock issuable upon exercise of stock
     options and warrants held by all directors and executive officers as a
     group which are exercisable within 60 days of July 31, 1996. Also
     includes 200,000 shares of Common Stock held by all directors and
     executive officers as a group which may be repurchased by the Company
     under certain circumstances.
 
                                      45
<PAGE>
 
                         DESCRIPTION OF CAPITAL STOCK
 
  At June 30, 1996, there were outstanding an aggregate of 6,110,600 shares of
Common Stock and 5,842,215 shares of Preferred Stock of the Company. Upon the
closing of the Offering, all of such shares of Preferred Stock will
automatically be converted into an aggregate of 7,552,215 shares of Common
Stock. All of the shares of Preferred Stock that have been converted will
cease to be outstanding and may not be reissued.
 
  Assuming conversion of all of the Company's Preferred Stock, at June 30,
1996, there were 13,662,815 shares of Common Stock outstanding, held of record
by 81 stockholders.
 
COMMON STOCK
 
  The Company's Restated Certificate of Incorporation (the "Restated
Certificate of Incorporation"), which will become effective upon the closing
of the Offering, will authorize the issuance of up to 60,000,000 shares of
Common Stock, $.001 par value per share. Holders of Common Stock are entitled
to one vote for each share held on all matters submitted to a vote of
stockholders and do not have cumulative voting rights. Accordingly, holders of
a majority of the shares of Common Stock entitled to vote in any election of
directors may elect all of the directors standing for election. Holders of
Common Stock are entitled to receive ratably such dividends, if any, as may be
declared by the Board of Directors out of funds legally available therefor.
Upon the liquidation, dissolution or winding up of the Company, the holders of
Common Stock are entitled to receive ratably the net assets of the Company
available after the payment of all debts and other liabilities. Holders of
Common Stock have no preemptive, subscription, redemption or conversion
rights. The outstanding shares of Common Stock are, and the shares offered by
the Company in the Offering will be, when issued and paid for, fully paid and
nonassessable.
 
PREFERRED STOCK
 
  Upon the consummation of the Offering, the Restated Certificate of
Incorporation will authorize the issuance of up to 5,000,000 shares of
Preferred Stock, $.001 par value per share. Under the terms of the Restated
Certificate of Incorporation, the Board of Directors is authorized, subject to
any limitations prescribed by law, without stockholder approval, to issue such
shares of Preferred Stock in one or more series. Each such series of Preferred
Stock shall have such rights, preferences, privileges and restrictions,
including voting rights, dividend rights, conversion rights, redemption
privileges and liquidation preferences, as shall be determined by the Board of
Directors.
 
  The purpose of authorizing the Board of Directors to issue Preferred Stock
and determine its rights and preferences is to eliminate delays associated
with a stockholder vote on specific issuances. The issuance of Preferred
Stock, while providing desirable flexibility in connection with possible
acquisitions and other corporate purposes, could have the effect of making it
more difficult for a third party to acquire, or of discouraging a third party
from acquiring, a majority of the outstanding voting stock of the Company. The
Company has no present plans to issue any shares of Preferred Stock.
 
WARRANTS
 
  At August 31, 1996, there were outstanding warrants to purchase 285,714
shares of Common Stock at an exercise price of $2.345 per share and warrants
to purchase 107,876 shares of Common Stock at an exercise price of $4.5625 per
share. Such warrants confer upon the holders thereof no rights as stockholders
until the exercise thereof and will terminate if not exercised prior to the
consummation of the Offering.
 
CONVERTIBLE NOTES
 
  The Company's 6% $400,000 convertible note (the "6% Note") is convertible at
the option of the holder after December 31, 1995 and at any time prior to
December 31, 2005 into the lesser of (i) the number of shares of
 
                                      46
<PAGE>
 
Common Stock arrived at by dividing the unpaid principal of the 6% Note being
converted by $3.50 and (ii) the amount of such unpaid principal amount being
converted, expressed as a fraction of the total unpaid principal of the 6%
Note, multiplied by the Maximum Conversion Amount. The "Maximum Conversion
Amount" equals 28,576 shares plus an additional 2,857 shares on the sixth day
of each of the thirty months after January 1996. At August 31, 1996, the
principal amount of the 6% Note is convertible into 48,575 shares of Common
Stock of the Company.
 
  The Company's 5% $1.0 million convertible note (the "5% Note") is
convertible at the option of the holder, Friday Holdings L.P., at any time
prior to April 5, 1998, in whole or in part, into that number of shares that
is equal to 2.67% of the outstanding Common Stock based upon an equity
capitalization for the Company of up to $5.0 million. The Company intends to
provide notice of repayment of the 5% Note promptly after closing of the
Offering and therefore expects that the 5% Note will be converted into Common
Stock at that time.
 
DELAWARE LAW AND CERTAIN CHARTER AND BY-LAW PROVISIONS
   
  The Company is subject to the provisions of Section 203 of the General
Corporation Law of Delaware. Section 203 prohibits a publicly-held Delaware
corporation from engaging in a "business combination" with an "interested
stockholder" for a period of three years after the date of the transaction in
which the person became an interested stockholder, unless the business
combination is approved in a prescribed manner. A "business combination"
includes mergers, asset sales and other transactions resulting in a financial
benefit to the interested stockholder. Subject to certain exceptions, an
"interested stockholder" is a person who, together with affiliates and
associates, owns, or within the past three years did own, 15% or more of a
corporation's voting stock.     
 
  The Restated Certificate of Incorporation provides for the division of the
Board of Directors into three classes as nearly equal in size as possible with
staggered three-year terms. See "Management." In addition, the Restated
Certificate of Incorporation provides that directors may be removed only for
cause by the affirmative vote of the holders of two-thirds of the shares of
capital stock of the Company entitled to vote. Under the Restated Certificate
of Incorporation, any vacancy on the Board of Directors, however occurring,
including a vacancy resulting from an enlargement of the Board, may only be
filled by vote of a majority of the directors then in office. The
classification of the Board of Directors and the limitations on the removal of
directors and filling of vacancies could have the effect of making it more
difficult for a third party to acquire, or of discouraging a third party from
acquiring, control of the Company.
   
  The Restated Certification of Incorporation also provides that, after the
consummation of the Offering, any action required or permitted to be taken by
the stockholders of the Company at an annual meeting or special meeting of
stockholders may only be taken if it is properly brought before such meeting
and may not be undertaken by written action in lieu of a meeting. The Restated
Certificate of Incorporation further provides that special meetings of the
stockholders may only be called by the Chairman of the Board of Directors, the
Chief Executive Officer or, if none, the President of the Company or by the
Board of Directors. Under the Company's Amended and Restated By-Laws (the "By-
Laws"), which will become effective upon the closing of the Offering, in order
for any matter to be considered "properly brought" before a meeting, a
stockholder must comply with certain requirements regarding advance notice to
the Company. The foregoing provisions could have the effect of delaying until
the next stockholders' meeting stockholder actions which are favored by the
holders of a majority of the outstanding voting securities of the Company.
These provisions may also discourage another person or entity from making a
tender offer for the Company's Common Stock, because such person or entity,
even if it acquired a majority of the outstanding voting securities of the
Company, would be able to take action as a stockholder (such as electing new
directors or approving a merger) only at a duly called stockholders meeting,
and not by written consent.     
 
  The General Corporation Law of Delaware provides generally that the
affirmative vote of a majority of the shares entitled to vote on any matter is
required to amend a corporation's certificate of incorporation or by-laws,
unless a corporation's certificate of incorporation or by-laws, as the case
may be, requires a greater percentage. The Restated Certificate of
Incorporation and the By-Laws require the affirmative vote of the holders of
at least two-thirds of the shares of capital stock of the Company issued and
outstanding and entitled to vote to amend or repeal any of the provisions
described in the prior two paragraphs.
 
                                      47
<PAGE>
 
  The Restated Certificate of Incorporation contains certain provisions
permitted under the General Corporation Law of Delaware relating to the
liability of directors. The provisions eliminate a director's liability for
monetary damages for a breach of fiduciary duty, except in certain
circumstances involving wrongful acts, such as the breach of a director's duty
of loyalty or acts or omissions which involve intentional misconduct or a
knowing violation of law. Further, the Restated Certificate of Incorporation
contains provisions to indemnify the Company's directors and officers to the
fullest extent permitted by the General Corporation Law of Delaware. The
Company believes that these provisions will assist the Company in attracting
and retaining qualified individuals to serve as directors.
 
TRANSFER AGENT AND REGISTRAR
 
  The transfer agent and registrar for the Common Stock is The First National
Bank of Boston.
 
                                      48
<PAGE>
 
                        SHARES ELIGIBLE FOR FUTURE SALE
 
  Upon consummation of the Offering, based on the number of shares outstanding
at June 30, 1996, there will be 17,662,815 shares of Common Stock outstanding.
Of these shares, the 4,000,000 shares of Common Stock sold in the Offering
will be freely transferable without restriction under the Securities Act,
except that any shares purchased by "affiliates" of the Company, as that term
is defined in Rule 144 under the Securities Act ("Rule 144"), generally must
be sold in compliance with the limitations of Rule 144 described below. The
remaining 13,662,815 shares of Common Stock outstanding will be "restricted
securities" as that term is defined in Rule 144 (the "Restricted Shares").
   
  Restricted Shares may be sold in the public market only if registered or if
they qualify for an exemption from registration under Rules 144, 144(k) or 701
promulgated under the Securities Act, which rules are summarized below.
Subject to the lock-up agreements described below and the provisions of Rules
144, 144(k) and 701, additional shares will be available for sale in the
public market (subject in the case of shares held by affiliates to compliance
with certain volume restrictions) as follows: (i) no shares will be available
for immediate sale in the public market on the date of the Prospectus, (ii)
2,600 shares will be eligible for resale 90 days after the date of this
Prospectus, (iii) 4,200,000 shares will be eligible for resale upon expiration
of lock-up agreements 180 days after the date of this Prospectus, and
thereafter (iv) the remaining 9,460,215 shares will be eligible for sale upon
expiration of their respective two-year holding periods.     
 
  In general, under Rule 144 as currently in effect, a person (or persons
whose shares are aggregated) who has beneficially owned Restricted Shares for
at least two years, including persons who may be deemed affiliates of the
Company, would be entitled to sell within any three-month period, subject to
meeting certain manner of sale and notice requirements, a number of shares
that does not exceed the greater of (i) one percent of the number of shares of
Common Stock then issued and outstanding (176,628 shares upon consummation of
the Offering) and (ii) the average weekly trading volume of the Common Stock
during the four calendar weeks preceding the filing of a Form 144 notice of
sale with the Securities and Exchange Commission. A person who is not deemed
to have been an affiliate of the Company at any time during the 90 days
preceding a sale, and who has beneficially owned the shares proposed to be
sold for at least three years, is entitled to sell such shares under Rule
144(k) without regard to the volume limitations described above. Affiliates
whose shares are not Restricted Shares must nonetheless comply with the same
Rule 144 restrictions applicable to Restricted Shares with the exception of
the two-year holding period requirement. The Securities and Exchange
Commission has proposed to reduce the two- and three-year holding periods to
one and two years, respectively. If enacted, such modification may have a
material effect on the timing of when certain shares of Common Stock become
eligible for resale.
 
  Rule 701 promulgated under the Securities Act provides that shares of Common
Stock acquired on the exercise of outstanding options may be resold by
persons, other than affiliates, beginning 90 days after the date of this
Prospectus, subject only to the manner of sale provisions of Rule 144, and by
affiliates, beginning 90 days after the date of this Prospectus, subject to
all provisions of Rule 144 except its two-year minimum holding period.
   
  The Company's executive officers and directors of the Company (who in the
aggregate will beneficially own approximately 10,131,451 Restricted Shares,
including 709,166 shares of Common Stock that may be acquired by them upon the
exercise of stock options exercisable with 60 days of July 31, 1996) have
agreed not to sell or offer to sell or otherwise dispose of any shares of
Common Stock currently held by them, or to exercise any right to acquire any
shares of Common Stock or any securities exercisable for or convertible into
any shares of Common Stock for a period of 180 days after the date of this
Prospectus without the prior written consent of Lehman Brothers Inc. Lehman
Brothers Inc. may, in its sole discretion and at any time without notice,
release all or any portion of the securities subject to these lock-up
agreements. See "Underwriting."     
 
                                      49
<PAGE>
 
  The Company has agreed, subject to certain exceptions, not to offer, sell or
otherwise dispose of any shares of Common Stock for a period of 180 days after
the date of this Prospectus, except that the Company may issue, and grant
options to purchase, shares of Common Stock under its current stock option and
purchase plans and other currently outstanding options.
 
  The Company intends to file registration statements on Form S-8 under the
Securities Act to register all shares of Common Stock issuable under the 1995
Stock Plan, 1996 Option Plan and 1996 Purchase Plan. These registration
statements are expected to be filed approximately 180 days after the effective
date of the Registration Statement of which this Prospectus is a part and will
be effective upon filing. Shares issued upon the exercise of stock options
after the effective date on the Form S-8 registration statements will be
eligible for resale in the public market without restriction, subject to Rule
144 limitations applicable to affiliates and the lock-up agreements noted
above.
   
  As of August 31, 1996, the holders of 10,880,215 shares of Common Stock and
warrants to purchase 393,590 shares of Common Stock are entitled to certain
demand and/or piggyback registration rights with respect to such shares (the
"Registrable Shares"). At any time after the earlier of November 1, 1999 or
six months after the Company's initial public offering, holders of at least
40% of the Registrable Shares then outstanding may request that the Company
file, at the Company's expense, a registration statement under the Securities
Act covering at least 20% of the Registrable Shares then outstanding with
aggregate gross proceeds of at least $5,000,000. The Company is obligated to
effect only two demand registrations and, in any event, not more than one such
registration in any twelve-month period. In addition, holders of Registrable
Shares with piggyback registration rights may include their shares in any
registration statement the Company intends to effect for the Company's shares
for stockholders other than the holders of Registrable Shares. So long as the
Company is qualified to effect a registration statement on Form S-3, holders
of at least 20% of the Registrable Shares may request that the Company effect
a registration on Form S-3 provided that (i) the aggregate price of the
Registrable Shares to be sold on such Form S-3 exceeds $500,000, (ii) the
Company is obligated to file only one such Form S-3 in any 6-month period and
(iii) the Company is only obligated to effect a total of six such
registrations.     
 
  Prior to the Offering, there has been no public market for the Common Stock
of the Company, and no prediction can be made as to the effect, if any, that
market sales of shares of Common Stock or the availability of shares for sale
will have on the market price of the Common Stock prevailing from time to
time. Nevertheless, sales of significant numbers of shares of the Common Stock
in the public market could adversely affect the market price of the Common
Stock and could impair the Company's future ability to raise capital through
an offering of its equity securities.
 
                                      50
<PAGE>
 
                                 UNDERWRITING
 
  Under the terms of, and subject to the conditions contained in, an
Underwriting Agreement (the "Underwriting Agreement"), the form of which is
filed as an exhibit to the Registration Statement of which this Prospectus is
a part, the underwriters named below (the "Underwriters"), for whom Lehman
Brothers Inc., Oppenheimer & Co., Inc. and Salomon Brothers Inc are acting as
Representatives (the "Representatives"), have severally agreed to purchase
from the Company, and the Company has agreed to sell to the Underwriters, the
aggregate number of shares of Common Stock set forth opposite the name of each
Underwriter below:
 
<TABLE>
<CAPTION>
                                                                      NUMBER OF
    UNDERWRITERS                                                       SHARES
    ------------                                                      ---------
   <S>                                                                <C>
   Lehman Brothers Inc. .............................................
   Oppenheimer & Co., Inc. ..........................................
   Salomon Brothers Inc..............................................
                                                                      ---------
     Total........................................................... 4,000,000
                                                                      =========
</TABLE>
 
  The Underwriting Agreement provides that the obligations of the Underwriters
to purchase shares of Common Stock are subject to certain conditions, and that
if any of the shares of Common Stock are purchased by the Underwriters
pursuant to the Underwriting Agreement, all shares of Common Stock agreed to
be purchased by the Underwriters pursuant to the Underwriting Agreement must
be purchased.
 
  The Company has been advised that the Underwriters initially propose to
offer the shares of Common Stock directly to the public at the public offering
price set forth on the cover page of this Prospectus and to certain selected
dealers (who may include the Underwriters) at such public offering price less
a selling concession not in excess of $   per share. The Underwriters may
allow, and such dealers may reallow, a concession not in excess of $   per
share to certain other Underwriters or to certain other brokers or dealers.
After the initial public offering, the public offering price, the concession
to selected dealers and the reallowance to other dealers may be changed by the
Underwriters.
 
  The Company has agreed to indemnify the Underwriters against certain
liabilities, including liabilities under the Securities Act of 1933, as
amended, and to contribute to payments that the Underwriters may be required
to make in respect thereof.
 
  The Company has granted to the Underwriters an option to purchase up to an
additional 600,000 shares of Common Stock at the public offering price less
the underwriting discounts and commissions shown on the cover page of this
Prospectus, solely to cover over-allotments, if any. Such option may be
exercised at any time until 30 days after the date of this Prospectus. To the
extent that the Underwriters exercise such option, each of the Underwriters
will be committed, subject to certain conditions, to purchase a number of
option shares proportionate to such Underwriter's initial commitment.
 
  The Representatives of the Underwriters have informed the Company that the
Underwriters do not intend to confirm sales to accounts over which they
exercise discretionary authority.
 
  The Company, the directors and officers and certain other securityholders of
the Company have agreed not to, directly or indirectly, offer, sell or
contract to sell, or otherwise dispose of shares of Common Stock of the
Company, or any securities convertible into, or exchangeable for, or any
rights to acquire, shares of Common
 
                                      51
<PAGE>
 
   
Stock, for a period of 180 days after the date of this Prospectus without the
prior written consent of Lehman Brothers Inc. on behalf of the
Representatives, except that the Company may issue, and grant options to
purchase, shares of Common Stock under its current stock option and purchase
plans and other currently outstanding options.     
   
  Prior to the Offering, there has been no public market for the Common Stock.
The initial public offering price will be determined by negotiation among the
Company and the Representatives of the Underwriters. Among the factors to be
considered in determining the initial public offering price, in addition to
prevailing market conditions, will be the Company's historical performance,
capital structure, estimates of the business potential and earnings prospects
of the Company, an overall assessment of the Company, an assessment of the
Company's management, and the consideration of the above factors in relation
to market valuation of companies in related businesses.     
 
  The Underwriters have reserved for sale, at the initial public offering
price, up to 5% of the shares of Common Stock offered hereby for employees of
the Company and certain other individuals who have expressed an interest in
purchasing such shares of Common Stock in the Offering. The number of shares
available for sale to the general public will be reduced to the extent such
persons purchase such reserved shares. Any reserved shares not so purchased
will be offered by the Underwriters to the general public on the same basis as
other shares offered hereby.
 
                                 LEGAL MATTERS
 
  The validity of the shares of Common Stock offered by the Company hereby
will be passed upon for the Company by Hale and Dorr, Boston, Massachusetts.
Certain legal matters in connection with the Offering will be passed upon for
the Underwriters by Testa, Hurwitz & Thibeault, LLP, Boston, Massachusetts.
 
                                    EXPERTS
 
  The consolidated balance sheets of the Company at December 31, 1995 and June
30, 1996 and the related consolidated statements of operations, cash flows and
stockholders' equity for each of the periods March 17, 1995 to December 31,
1995 and January 1, 1996 to June 30, 1996 included in this Prospectus have
been included herein in reliance on the report of Coopers & Lybrand L.L.P.,
independent accountants, given on the authority of that firm as experts in
accounting and auditing.
 
  The combined balance sheet of BIS Strategic Decisions at April 5, 1995 and
the related combined statements of operations, cash flows and stockholder's
equity for the period January 1, 1995 to April 5, 1995 included in this
Prospectus have been included herein in reliance on the report of Coopers &
Lybrand L.L.P., independent accountants, given on the authority of that firm
as experts in accounting and auditing.
 
  The combined balance sheet of BIS Strategic Decisions at December 31, 1994
and the related combined statements of operations, cash flows and
stockholder's equity for the periods January 1, 1993 to December 15, 1993,
December 16, 1993 to December 31, 1993 and for the year ended December 31,
1994 included in this Prospectus have been audited by Ernst & Young LLP,
independent auditors, as set forth in their report thereon (which contains
explanatory paragraphs with respect to BIS Strategic Decision's ability to
continue as a going concern and an accounting change as described in Notes 4
and 2, respectively, of the Notes to the Combined Financial Statements)
appearing elsewhere herein, which, as to the periods from January 1, 1993
through December 15, 1993, and December 16, 1993 through December 31, 1993 are
based in part on the report of Coopers & Lybrand and are included herein in
reliance upon such reports, given upon the authority of such firms as experts
in accounting and auditing.
 
                                      52
<PAGE>
 
  The statements of operations, changes in stockholder's equity and cash flows
of BIS Shrapnel PTY Limited for each of the periods of January 1, 1993 to
December 15, 1993 and December 16, 1993 to December 31, 1993 on which the
report of Ernst & Young LLP, independent auditors, for the related periods are
based in part is given in reliance on the reports of Coopers & Lybrand,
independent accountants, given on the authority of that firm as experts in
accounting and auditing.
 
                            ADDITIONAL INFORMATION
 
  The Company has filed with the Securities and Exchange Commission (the
"Commission"), Washington, D.C. 20549, a Registration Statement (which term
shall include all amendments, exhibits and schedules thereto) on Form S-1
under the Securities Act with respect to the shares of Common Stock offered
hereby. This Prospectus, which constitutes a part of the Registration
Statement, does not contain all of the information set forth in the
Registration Statement, certain parts of which are omitted in accordance with
the rules and regulations of the Commission, to which Registration Statement
reference is hereby made. Statements made in this Prospectus as to the
contents of any contract, agreement or other document referred to are not
necessarily complete. With respect to each such contract, agreement or other
document filed as an exhibit to the Registration Statement, reference is made
to the exhibit for a more complete description of the matter involved, and
each such statement shall be deemed qualified in its entirety by such
reference. The Registration Statement and the exhibits thereto may be
inspected and copied at prescribed rates at the public reference facilities
maintained by the Commission at Room 1024, Judiciary Plaza, 450 Fifth Street,
N.W., Washington, D.C. 20549 and at the regional offices of the Commission
located at Seven World Trade Center, 13th Floor, New York, New York 10048 and
500 West Madison Street, Suite 1400, Chicago, Illinois 60661. In addition, the
Company is required to file electronic versions of these documents with the
Commission through the Commission's Electronic Data Gathering, Analysis and
Retrieval (EDGAR) system. The Commission maintains a World Wide Web site at
http://www.sec.gov that contains reports, proxy and information statements and
other information regarding registrants that file electronically with the
Commission.
 
                                      53
<PAGE>
 
                         INDEX TO FINANCIAL STATEMENTS
 
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                          ----
<S>                                                                       <C>
GIGA INFORMATION GROUP, INC.:
Report of Independent Accountants--Coopers & Lybrand L.L.P...............  F-2
Consolidated Balance Sheets at December 31, 1995 and June 30, 1996.......  F-3
Consolidated Statements of Operations for the periods March 17, 1995 to
 December 31, 1995; March 17, 1995 to June 30, 1995 (unaudited) and
 January 1, 1996 to June 30, 1996........................................  F-4
Consolidated Statements of Changes in Stockholders' Equity for the
 periods March 17, 1995 to December 31, 1995 and January 1, 1996 to June
 30, 1996................................................................  F-5
Consolidated Statements of Cash Flows for the periods March 17, 1995 to
 December 31, 1995; March 17, 1995 to June 30, 1995 (unaudited) and
 January 1, 1996 to June 30, 1996........................................  F-6
Notes to Consolidated Financial Statements...............................  F-7
BIS STRATEGIC DECISIONS:
Report of Independent Accountants--Coopers & Lybrand L.L.P............... F-19
Report of Independent Auditors--Ernst & Young LLP........................ F-20
Reports of Independent Accountants--Coopers & Lybrand ................... F-21
Combined Balance Sheet at December 31, 1994.............................. F-23
Combined Statements of Operations for the periods January 1, 1993 to
 December 15, 1993; December 16, 1993 to December 31, 1993; the year
 ended December 31, 1994 and for the period January 1, 1995 to April 5,
 1995.................................................................... F-24
Combined Statements of Changes in Stockholder's Equity for the periods
 January 1, 1993 to
 December 15, 1993; December 16, 1993 to December 31, 1993; the year
 ended December 31, 1994 and for the period January 1, 1995 to April 5,
 1995.................................................................... F-25
Combined Statements of Cash Flows for the periods January 1, 1993 to
 December 15, 1993; December 16, 1993 to December 31, 1993; the year
 ended December 31, 1994 and for the period January 1, 1995 to April 5,
 1995.................................................................... F-26
Notes to Combined Financial Statements................................... F-27
</TABLE>
 
                                      F-1

<PAGE>
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Board of Directors and Stockholders of Giga Information Group, Inc.:
   
  We have audited the accompanying consolidated balance sheets of Giga
Information Group, Inc. as of December 31, 1995 and June 30, 1996, and the
related consolidated statements of operations, changes in stockholders' equity
and cash flows for the period March 17, 1995 (date of inception) to December
31, 1995 and the six months ended June 30, 1996. These financial statements
are the responsibility of the Company's management. Our responsibility is to
express an opinion on these financial statements based on our audits.     
 
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatements. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.
 
  In our opinion, the financial statements referred to above present fairly,
in all material respects, the financial position of Giga Information Group,
Inc. as of December 31, 1995 and June 30, 1996, and the results of its
operations and its cash flows for the period March 17, 1995 to December 31,
1995 and the six months ended June 30, 1996 in conformity with generally
accepted accounting principles.
 
                                          Coopers & Lybrand L.L.P.
 
Boston, Massachusetts
August 31, 1996
 
                                      F-2
<PAGE>
 
                          GIGA INFORMATION GROUP, INC.
 
                          CONSOLIDATED BALANCE SHEETS
 
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>   
<CAPTION>
                                        DECEMBER 31,                 PRO FORMA
                                            1995     JUNE 30, 1996 JUNE 30, 1996
                                        ------------ ------------- -------------
                                                                    (UNAUDITED)
 <S>                                    <C>          <C>           <C>
                ASSETS
 Current assets:
  Cash and cash equivalents...........    $16,906       $ 9,331
  Trade accounts receivable, net of
   allowance for uncollectible
   accounts of $79 and $86 at December
   31, 1995 and June 30, 1996,
   respectively.......................      2,180         3,030
  Unbilled accounts receivable........         90           925
  Prepaid expenses and other current
   assets.............................      1,406         1,571
                                          -------       -------
  Total current assets................     20,582        14,857
 Property and equipment, net of
  accumulated depreciation and
  amortization of $562 and $1,136 at
  December 31, 1995 and June 30, 1996,
  respectively........................      2,194         2,716
 Leasehold intangible, net of
  accumulated amortization of $283 and
  $496 at December 31, 1995 and June
  30, 1996, respectively..............      1,028           815
 Goodwill, net of accumulated
  amortization of $482 and $803 at
  December 31, 1995 and June 30, 1996,
  respectively........................        803           482
 Note receivable......................                      150
 Other assets.........................         77           200
                                          -------       -------
    Total assets......................    $24,684       $19,220
                                          =======       =======
 LIABILITIES AND STOCKHOLDERS' EQUITY
 Current liabilities:
  Bank overdrafts.....................    $   458       $   479
  Accounts payable....................      1,519           651
  Deferred revenues...................      2,480         4,995
  Accrued compensation and benefits...        632         1,095
  Other current liabilities and
   accrued expenses...................      3,427         3,337
  Net liabilities of discontinued
   operations, current portion........        861         1,566
                                          -------       -------
  Total current liabilities...........      9,377        12,123
 Long-term debt - related party.......        400           412
 Long-term debt - other...............      1,037         1,060
 Other liabilities....................        210           240
 Net liabilities of discontinued
  operations, less current portion....        --          1,332
                                          -------       -------
  Total liabilities...................     11,024        15,167
 Commitments and other contingent
  liabilities (Note 17)...............
 Stockholders' equity:
  Preferred Stock, $.001 par value;
   10,000,000 shares authorized at
   December 31, 1995 and June 30,
   1996; 5,000,000 shares authorized
   at June 30, 1996 pro forma; none
   issued or outstanding at June 30,
   1996 pro forma.....................        --            --            --
  Series A Preferred Stock; $.001 par
   value per share, 650,000 shares
   authorized: 570,000 shares issued
   and outstanding (liquidation
   preference of $2,850,000)..........          1             1           --
  Series B Preferred Stock; $.001 par
   value per share, 6,000,000 and
   6,500,000 shares authorized:
   4,598,200 and 5,272,215 shares
   issued and outstanding at December
   31, 1995 and June 30, 1996,
   respectively (liquidation
   preference of $16,094,000 and
   $18,453,000 at December 31, 1995
   and June 30, 1996, respectively)...          4             5           --
  Common Stock; $.001 par value per
   share, 28,000,000 shares
   authorized: 6,108,000, 6,110,600
   and 13,662,815 shares issued and
   outstanding at December 31, 1995,
   June 30, 1996 and June 30, 1996 pro
   forma, respectively................          6             6       $    14
  Additional paid-in capital..........     18,295        20,631        20,629
  Stock subscriptions receivable......       (375)          (75)          (75)
  Accumulated deficit.................     (4,234)      (16,537)      (16,537)
  Cumulative translation adjustments..        (37)           22            22
                                          -------       -------       -------
  Total stockholders' equity..........     13,660         4,053       $ 4,053
                                          -------       -------       -------
    Total liabilities and
     stockholders' equity.............    $24,684       $19,220
                                          =======       =======
</TABLE>    
 
   The accompanying notes are an integral part of the consolidated financial
                                  statements.
 
                                      F-3
<PAGE>
 
                          GIGA INFORMATION GROUP, INC.
 
                     CONSOLIDATED STATEMENTS OF OPERATIONS
 
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>
<CAPTION>
                                                                   SIX MONTHS
                                          MARCH 17 TO  MARCH 17 TO   ENDED
                                          DECEMBER 31,  JUNE 30,    JUNE 30,
                                              1995        1995        1996
                                          ------------ ----------- ----------
                                                       (UNAUDITED)
<S>                                       <C>          <C>         <C>
Revenues:
  Continuous Information Services........  $      --     $  --     $      627
  Information Products...................      10,706     3,571         5,855
                                           ----------    ------    ----------
    Total revenues.......................      10,706     3,571         6,482
Cost and Expenses:
  Cost of services and product
   development...........................       8,445     2,473         9,648
  Sales and marketing....................       1,016       191         1,982
  General and administrative.............       6,216     1,433         4,257
  Depreciation and amortization..........       1,397       527         1,088
                                           ----------    ------    ----------
    Total costs and expenses.............      17,074     4,624        16,975
                                           ----------    ------    ----------
  Operating loss.........................      (6,368)   (1,053)      (10,493)
Interest income..........................         259        26           375
Interest expense.........................        (100)      (16)          (52)
                                           ----------    ------    ----------
  Loss from continuing operations before
   income taxes..........................      (6,209)   (1,043)      (10,170)
Income tax benefit.......................      (1,093)     (310)         (257)
                                           ----------    ------    ----------
  Loss from continuing operations........      (5,116)     (733)       (9,913)
                                           ----------    ------    ----------
Discontinued operations:
Income (loss) from the discontinued BIS
 market research business, net of tax
 effect..................................       1,490       301           (85)
Loss on disposal of discontinued BIS
 market research business, net of tax
 effect..................................         --        --         (2,305)
                                           ----------    ------    ----------
  Income (loss) from discontinued
   operations............................       1,490       301        (2,390)
                                           ----------    ------    ----------
    Net loss.............................  $   (3,626)   $ (432)     $(12,303)
                                           ==========    ======    ==========
Results per common and common equivalent
 share--historical basis (Note 2):
Pro forma results per common and common
 equivalent share:
  Loss from continuing operations........      $(0.34)                 $(0.61)
  Net loss...............................      $(0.24)                 $(0.75)
Pro forma weighted average common and
 common equivalent shares outstanding....  14,855,209              16,360,287
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
                                  statements.
 
                                      F-4
<PAGE>
 
                          GIGA INFORMATION GROUP, INC.
 
           CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY
 
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                          SERIES A  SERIES B         ADDITIONAL     STOCK     CUMULATIVE                  TOTAL
                          PREFERRED PREFERRED COMMON  PAID-IN   SUBSCRIPTIONS TRANSLATION ACCUMULATED STOCKHOLDERS'
                            STOCK     STOCK   STOCK   CAPITAL    RECEIVABLE   ADJUSTMENTS   DEFICIT      EQUITY
                          --------- --------- ------ ---------- ------------- ----------- ----------- -------------
<S>                       <C>       <C>       <C>    <C>        <C>           <C>         <C>         <C>
Issuance of 6,108,000
 shares of Common
 Stock..................                       $ 6     $1,054       $(350)                                  $710
Issuance of 160,000
 shares of Series A
 Preferred Stock and
 convertible note for
 acquisition of ExperNet
 Corporation............                                                                      $(608)        (608)
Issuance of 410,000
 shares of Series A
 Preferred Stock .......     $ 1                        2,049         (25)                                 2,025
Issuance of 4,026,772
 shares of Series B
 Preferred Stock........               $ 4             13,212                                             13,216
Conversion of bridge
 financing to 571,428
 shares of Series B
 Preferred Stock........                                1,980                                              1,980
Net loss................                                                                     (3,626)      (3,626)
Translation
 adjustments............                                                         $(37)                       (37)
                             ---       ---     ---    -------       -----        ----      --------     --------
Balance at December 31,
 1995...................       1         4       6     18,295        (375)        (37)       (4,234)      13,660
                             ---       ---     ---    -------       -----        ----      --------     --------
Payment of stock
 subscription
 receivable.............                                              300                                    300
Issuance of 674,015
 shares of Series B
 Preferred Stock........                 1              2,336                                              2,337
Issuance of 2,600 shares
 of Common Stock........                        --                                                           --
Net loss................                                                                    (12,303)     (12,303)
Translation
 adjustments............                                                           59                         59
                             ---       ---     ---    -------       -----        ----      --------     --------
Balance at June 30,
 1996...................     $ 1       $ 5     $ 6    $20,631       $ (75)       $ 22      $(16,537)    $  4,053
                             ===       ===     ===    =======       =====        ====      ========     ========
</TABLE>
 
 
   The accompanying notes are an integral part of the consolidated financial
                                  statements.
 
                                      F-5
<PAGE>
 
                          GIGA INFORMATION GROUP, INC.
 
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
 
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                                  SIX MONTHS
                                         MARCH 17 TO  MARCH 17 TO    ENDED
                                         DECEMBER 31,  JUNE 30,     JUNE 30,
                                             1995        1995         1996
                                         ------------ -----------  ---------
                                                      (UNAUDITED)
<S>                                      <C>          <C>         <C>       
Cash flows from operating activities:
 Net loss..............................    $(3,626)     $ (432)    $(12,303)
 Adjustments to reconcile net loss to
  net cash used in continuing operating
  activities:
   (Income) loss from discontinued
    operations.........................     (1,490)       (301)          85
   Loss on disposal of discontinued
    operations.........................        --          --         2,305
   Depreciation and amortization.......      1,397         527        1,088
   Provision for (recovery from)
    doubtful accounts..................         27         (24)          48
   (Increase) decrease in deferred
    taxes..............................         50          --           (8)
   Interest on long term debt added to
    principal..........................         37          12           35
   (Gain) loss on sale of fixed
    assets.............................         15          (6)           4
   Changes in assets and liabilities
    net of effects of acquisitions:
    Decrease (increase) in accounts
     receivable........................      1,638         525       (1,799)
    Decrease (increase) in prepaid
     expenses and other current
     assets............................     (1,462)        585         (142)
    Increase (decrease) in accounts
     payable and accrued liabilities...      2,067        (295)        (292)
   Increase (decrease) in deferred
    revenues...........................        283        (936)       2,500
                                           -------      ------     --------
Net cash provided by (used in)
 operating activities:
  Net cash used in continuing
   operations..........................     (1,064)       (345)      (8,479)
  Net cash provided by (used in)
   discontinued operations.............        335         352         (333)
                                           -------      ------     --------
Net cash provided by (used in)
 operating activities:                        (729)          7       (8,812)
Cash flows from investing activities:
  Acquisition of equipment and
   improvements........................     (1,049)        (34)      (1,140)
  Net cash acquired in BIS
   acquisition.........................      1,013       1,013           --
  Net cash acquired in ExperNet
   acquisition.........................         61          --           --
  Issuance of note receivable..........         --          --         (150)
  Other, net...........................         96           2          (56)
                                           -------      ------     --------
Cash provided by (used in) investing
 activities............................        121         981       (1,346)
                                           -------      ------     --------
Cash flows from financing activities:
  Proceeds from issuance of Common
   Stock...............................        710         100           --
  Due to shareholder...................         --       1,086           --
  Proceeds from issuance of Series A
   Preferred Stock.....................      2,025          --           --
  Proceeds from bridge financing, net
   of issuance costs of $20............      1,980          --           --
  Proceeds from issuance of Series B
   Preferred Stock, net of issuance
   costs of $878 and $25...............     13,216          --        2,337
  Repayments of principal to related
   parties.............................       (321)         --           --
  Proceeds from stock subscriptions
   receivable..........................         --          --          300
  Net short-term borrowings............         40         193           23
  Principal payments on long-term
   debt................................        (97)        (34)         (32)
                                           -------      ------     --------
Cash provided by financing activities..     17,553       1,345        2,628
                                           -------      ------     --------
Effect of exchange rates on cash.......        (39)         --          (45)
Net increase (decrease) in cash and
 cash equivalents......................     16,906       2,333       (7,575)
Cash and cash equivalents, beginning of
 period................................         --          --       16,906
                                           -------      ------     --------
Cash and cash equivalents, end of
 period................................    $16,906      $2,333     $  9,331
                                           =======      ======     ========
Supplementary cash flow information:
  Income taxes paid....................        $39          $0          $22
  Interest paid........................        $58          $2          $14
</TABLE>
 
   The accompanying notes are an integral part of the consolidated financial
                                  statements.
 
                                      F-6
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
                  NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
  (INFORMATION WITH RESPECT TO THE PERIOD MARCH 17, 1995 TO JUNE 30, 1995 IS
                                  UNAUDITED)
 
1. THE COMPANY
 
  Giga Information Group, Inc. ("Giga" or the "Company") was incorporated on
March 17, 1995 (date of inception) in the State of Delaware. The Company's
principal business activity is to provide information, analysis and advice
relating to developments and trends in the computing, telecommunications and
related industries (collectively the information technology or "IT" industry)
primarily through subscription based products. The Company derives its
revenues primarily from two sources: Continuous Information Services, which
include its Giga Advisory Service and Relevance Services; and Information
Products, which include events, publications, consulting and econometric
forecasting. On April 5, 1995, the Company acquired BIS Strategic Decisions,
Inc. and its five foreign affiliates (collectively "BIS" or "Predecessor
Companies"). On July 6, 1995, Giga acquired a 77.8% equity interest in
ExperNet Corporation ("ExperNet") which was owned by Gideon I. Gartner,
Chairman of the Board of Directors and Chief Executive Officer of the Company,
and David L. Gilmour, a director and officer of the Company, and, on December
29, 1995, acquired the remaining 22.2% interest. The results of operations of
ExpertNet are included in the Company's results from July 6, 1995.
 
  The Company is subject to a number of risks similar to other companies in
its industry, including a dependence on sales and renewals of subscription-
based services, uncertainty of market acceptance of its services and products,
competition from other companies including those with greater resources than
the Company, dependence on key individuals, the need to obtain additional
financing, protection of proprietary information and technology and the risks
associated with international operations. In addition, the Company is subject
to risks associated with the discontinuance of the BIS Market Research
Business (see Note 16).
 
2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
 
BASIS OF PRESENTATION
 
  The accompanying financial statements include the results of operations,
cash flows and changes in stockholders' equity for the periods from March 17,
1995 (date of inception) to December 31, 1995 and March 17, 1995 to June 30,
1995 and the six months ended June 30, 1996. The financial statements
pertaining to the period from the date of inception to June 30, 1995 have been
prepared for comparative purposes only and as such have not been audited. In
the opinion of the Company's management, these unaudited financial statements
include all adjustments (consisting only of normal recurring adjustments)
necessary for a fair presentation. The comparison of the period from the date
of inception to June 30, 1995 and the six months ended June 30, 1996 may not
be meaningful because the periods are of different durations.
 
PRINCIPLES OF CONSOLIDATION
 
  The consolidated financial statements of the Company include the accounts of
the Company and its wholly-owned subsidiaries. The Company's 50% interest in
BIS Japan, Inc. has been accounted for at cost which approximates equity. All
significant intercompany balances and transactions have been eliminated.
 
  Pursuant to the purchase method of accounting, acquired assets and
liabilities were revalued to their fair market value. The excess of the
purchase price over the fair market value of the net assets acquired was
recorded as goodwill.
 
CASH AND CASH EQUIVALENTS
 
  Cash equivalents primarily represent liquid investments, with original
maturities of 90 days or less, in money market funds which are convertible to
a known amount of cash and bear an insignificant risk of change in value.
 
FOREIGN CURRENCY TRANSLATION
 
  For international operations, the local currency is used as the functional
currency. The assets and liabilities of the foreign entities are translated at
the period-end rates of exchange and the related statements of operations and
cash flows are translated at the weighted average rates of exchange for the
respective periods. The resulting
 
                                      F-7
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
translation adjustments are excluded from the results of operations and
charged to a separate component of stockholders' equity. Realized and
unrealized exchange gains or losses arising from translation adjustments are
reflected in operations and are not material.
 
CONCENTRATION OF CREDIT RISK
 
  Financial instruments which potentially subject the Company to
concentrations of credit risk consist primarily of temporary cash investments
in money market accounts and trade receivables. The Company places its
temporary cash investments with high credit quality financial institutions in
accordance with its investment policy as approved by its board of directors.
Trade receivables result from contracts with various customers. Giga generally
does not require collateral or other security from these customers.
Historically, no significant credit-related losses have been incurred.
 
INCOME TAXES
 
  The Company accounts for income taxes in accordance with Statement of
Financial Accounting Standard No. 109, "Accounting for Income Taxes" ("SFAS
109"), which uses a balance sheet approach in accounting for income taxes.
Under SFAS 109, deferred tax liabilities and assets are recognized based on
differences between book and tax bases of assets and liabilities using
presently enacted tax rates. The provision for income taxes is the sum of the
amount of income tax paid or payable for the period as determined by applying
the provisions of enacted tax laws to taxable income for the period and the
net changes during the period in the Company's deferred tax assets and
liabilities.
 
  Income taxes on $807,000, $444,000 and $0 of cumulative undistributed
earnings of subsidiaries outside of the United States for the periods from
March 17, 1995 to December 31, 1995, March 17, 1995 to June 30, 1995 and the
six months ended June 30, 1996, respectively, have not been provided for as
these earnings will either be indefinitely reinvested or remitted
substantially free of additional tax.
 
REVENUE AND COMMISSION EXPENSE RECOGNITION
 
  Continuous Information Services provide customers with ongoing information,
analysis and advice relating to developments and trends in the IT industry on
a subscription basis. Revenues from Continuous Information Services are
deferred and recognized on a pro rata monthly basis over the contract period,
generally one year. The Company's policy is to record a receivable and related
deferred revenues for the full amount of the contract on the date it is
signed. Contracts are generally billable upon signing. The Company also
records the related commission obligation upon the signing of these contracts
and amortizes the corresponding deferred commission expense over the contract
period in which the related Continuous Information Services revenues are
earned.
 
  Information Products revenues from events, publications, consulting and
econometric forecasting are recognized as earned.
 
PROPERTY AND EQUIPMENT
 
  Property and equipment are stated at cost for items acquired after the
initial acquisition of the respective entities and at estimated fair market
value for those assets in existence at the date of acquisition. Expenditures
for maintenance and repairs are charged to expense while the costs of
significant improvements are capitalized. Depreciation is computed for
financial reporting purposes principally by using the straight-line method
over the following estimated useful lives:
 
<TABLE>
   <S>                         <C>
   Computers and related
    equipment................                      3 years
   Furniture and fixtures....                      5 years
   Motor vehicles............                      4 years
   Leaseholds and related im-
    provements...............  Shorter of economic life or remaining lease term
</TABLE>
 
 
                                      F-8
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
  Upon retirement or sale, the cost of assets disposed of and the related
accumulated depreciation are eliminated from the balance sheet and related
gains or losses are reflected in income.
 
GOODWILL
 
  Goodwill represents the excess of the purchase price of entities acquired
over the fair values of amounts assigned to the net tangible assets acquired
and liabilities assumed. Amortization is recorded using the straight-line
method over two years. These amounts are subject to adjustment in accordance
with the provisions of SFAS 109. Impairment of goodwill is measured on the
basis of whether anticipated future undiscounted operating cash flows expected
from the acquired businesses will recover the recorded respective intangible
asset balances over the remaining amortization period. At June 30, 1996,
approximately $666,000 of goodwill identifiable with the discontinued
operations was written off to expenses in connection with the disposition of
these operations.
 
  Amortization expense was $482,000, $160,000 and $321,000 for the periods
from March 17, 1995 to December 31, 1995, March 17, 1995 to June 30, 1995 and
the six months ended June 30, 1996, respectively.
 
USE OF ESTIMATES
 
  The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect (i) the reported amounts of assets and liabilities,
(ii) disclosure of contingent assets and liabilities at the dates of the
financial statements and (iii) the reported amounts of revenues and expenses
during the reporting periods. Actual results could differ from those
estimates.
 
NET LOSS PER COMMON SHARE
 
  The unaudited pro forma net loss per common share is computed based upon the
weighted average number of common shares, on an as-if converted basis, and
common equivalent shares outstanding after certain adjustments described
below. Common equivalent shares comprise stock options and warrants using the
treasury stock method. Common equivalent shares from stock options and
warrants are excluded from the computation if their effect is antidilutive. In
accordance with Securities and Exchange Commission Staff Accounting Bulletin
No. 83 ("SAB No. 83"), all common and common equivalent shares and other
potentially dilutive instruments which include stock options, warrants and the
Series A and Series B Preferred Stock issued at prices below the estimated
initial public offering price of $10.00 per share during the twelve month
period prior to the initial filing date of September 10, 1996 of the
Registration Statement have been included in the calculation as if they were
outstanding for all periods presented.
 
  Other than shares of Series A Preferred Stock and Series B Preferred Stock
considered as Common Stock equivalents under SAB No. 83, shares of Series A
Preferred Stock and Series B Preferred Stock are not included as Common Stock
equivalents because their inclusion would be anti-dilutive.
 
  Results per common share on an historical basis are as follows:
 
<TABLE>
<CAPTION>
                                                                   SIX MONTHS
                                      MARCH 17 TO     MARCH 17 TO  ENDED JUNE
                                   DECEMBER 31, 1995 JUNE 30, 1995  30, 1996
                                   ----------------- ------------- ----------
<S>                                <C>               <C>           <C>
Loss from continuing operations...       $(5,116)          $(733)     $(9,913)
Net loss available to common
 shareholders.....................        (3,626)           (432)     (12,303)
Loss from continuing operations
 per common share.................        $(0.38)         $(0.06)      $(0.70)
                                      ==========      ==========   ==========
Net loss per common share.........        $(0.27)         $(0.04)      $(0.87)
                                      ==========      ==========   ==========
Weighted average number of common
 shares outstanding...............    13,486,788      12,299,420   14,180,287
                                      ==========      ==========   ==========
</TABLE>
 
                                      F-9
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
 
PRO FORMA PRESENTATION (UNAUDITED)
 
  Upon the closing of an initial public offering of Common Stock at an
offering price of not less than $5.25 per share and having aggregate proceeds
of $15,000,000, all of the Company's shares of Series A Preferred Stock and
Series B Preferred Stock will be converted into 7,552,215 shares of Common
Stock. The unaudited pro forma presentation of the June 30, 1996 balance sheet
reflects the conversion of outstanding shares of Series A Preferred Stock and
Series B Preferred Stock into Common Stock.
 
NEW ACCOUNTING PRONOUNCEMENTS
 
  In October 1995, the Financial Accounting Standards Board issued Statement
of Financial Accounting Standards No. 123, "Accounting for Stock-Based
Compensation" ("SFAS No. 123"), which is effective for fiscal year 1996. The
Company has determined that it will elect the disclosure-only alternative. The
Company will be required to disclose the pro forma net income or loss and per
share amounts in the notes to the financial statements using the fair value
based method for fiscal year 1996 with comparable disclosures for fiscal year
1995. The Company has not determined the impact of these pro forma
adjustments.
 
  SFAS No. 121, "Accounting for the Impairment of Long-Lived Assets and for
Long-Lived Assets to Be Disposed of," which must be adopted in fiscal year
1996, requires that impairment losses be recognized when the carrying value of
an asset exceeds its fair value. The Company regularly assesses all of its
long-lived assets for impairment and, therefore, does not believe the adoption
of the standard will have a material effect on its financial position or
results of operations.
 
3. ACQUISITIONS
 
BIS STRATEGIC DECISIONS, INC. AND AFFILIATES
 
  On April 5, 1995, the Company acquired 100% of the stock of BIS for $200,000
in cash and a $1,000,000 convertible promissory note (see Note 9). The
acquisition was accounted for as a purchase and, accordingly, the cost
(including acquisition costs of $204,000) was assigned to the tangible and
identifiable intangible assets acquired and liabilities assumed based upon
their estimated fair values at the date of acquisition. As part of the
transaction, an intangible asset (leasehold) of approximately $1,300,000 was
recorded representing the fair value of payments being made through May 1998
by a former owner of BIS. The excess of the purchase price over the net assets
acquired of approximately $3,059,000 has been recorded as goodwill. The
Company's statements of operations include the results of operations of BIS
from April 5, 1995.
 
EXPERNET
 
  On July 6, 1995, the Company acquired a majority interest in ExperNet in
exchange for (i) 160,000 shares of Series A Preferred Stock (640,000 shares of
Common Stock on an as-converted basis), 80,000 shares (320,000 shares of
Common Stock on an as-converted basis) of which were issued to Mr. Gartner and
80,000 shares (320,000 shares of Common Stock on an as-converted basis) of
which were issued to Mr. Gilmour and (ii) the issuance to Mr. Gartner of an
option to purchase 160,000 shares of Common Stock at an exercise price of $.50
per share which vested immediately. On December 29, 1995, the Company acquired
Mr. Gilmour's remaining interest in ExperNet in exchange for a $400,000 6%
convertible note (the "Note") due December 31, 2005 (see Note 9). As a result
of the common control of the Company and ExperNet, there has been no
adjustment to the historical cost basis of the net assets acquired and
liabilities assumed of ExperNet. As a result of the transaction, the Company's
accumulated deficit increased by $608,000 representing the net deficit of
ExperNet at the date of acquisition ($208,000) and the obligation under the
convertible note ($400,000). The results of operations include ExperNet from
July 6, 1995.
 
 
                                     F-10
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
  The following unaudited pro forma summary presents the consolidated results
of operations as if the acquisitions of BIS and ExperNet had occurred on
January 1, 1995 and does not purport to be indicative of what would have
occurred had the acquisitions been made as of that date or of the results
which may occur in the future (in thousands):
<TABLE>
<CAPTION>
                                                               JANUARY 1, TO
                                                             DECEMBER 31, 1995
                                                             -----------------
                                                                (UNAUDITED)
   <S>                                                       <C>
   Information Products revenues.........................         $14,015
   Cost of services and product development..............          10,775
   Sales and marketing...................................           1,282
   General and administrative............................           7,455
   Depreciation and amortization.........................           1,797
                                                                  -------
      Total costs and expenses...........................          21,309
                                                                  -------
      Operating loss.....................................          (7,294)
   Interest income, net..................................             153
                                                                  -------
      Loss from continuing operations before income tax-
      es.................................................          (7,141)
   Income tax benefit....................................          (1,314)
                                                                  -------
      Loss from continuing operations....................         $(5,827)
                                                                  =======
</TABLE>
 
4. RELATED PARTIES
 
  During the period from March 17, 1995 to December 31, 1995, the Company
reimbursed Mr. Gartner $186,000 for disbursements made by him for items
related to the acquisition of BIS and for other operational expenses prior to
the incorporation of the Company.
 
  In addition, following the initial closing of the sale of Series B Preferred
Stock by the Company in November 1995, ExperNet repaid a loan in the principal
amount of approximately $221,000 plus accrued interest at a rate of 10%, or a
total of approximately $248,000, to Mr. Gartner and a loan in the principal
amount of approximately $101,000 plus accrued interest at a rate of 10%, or a
total of approximately $113,000, to Mr. Gilmour.
 
  In the event the Company is unable to complete its proposed initial public
offering, certain of its existing investors have represented that they will,
to the extent necessary, fund the Company through June 1997 on terms to be
mutually agreed upon.
 
5. PROPERTY AND EQUIPMENT
 
  Property and equipment at cost, less accumulated depreciation and
amortization, consist of the following (in thousands):
 
<TABLE>
<CAPTION>
                                                DECEMBER 31, 1995 JUNE 30, 1996
                                                ----------------- -------------
   <S>                                          <C>               <C>
   Computers and related equipment............       $1,815          $2,422
   Furniture and fixtures.....................          498           1,000
   Motor vehicles.............................          426             339
   Leasehold improvements.....................           17              91
                                                     ------          ------
                                                      2,756           3,852
   Less accumulated depreciation and amortiza-
    tion......................................         (562)         (1,136)
                                                     ------          ------
   Property and equipment, net................       $2,194          $2,716
                                                     ======          ======
</TABLE>
 
                                     F-11
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
6. LEASE COMMITMENTS
 
  The Company leases certain office space and equipment under operating lease
agreements. As of June 30, 1996, future minimum rental commitments under all
operating leases with remaining noncancelable terms of one year or more,
including the rental payments being made by a former owner of the Company (see
Note 3), are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                                                       OPERATING
   YEAR                                                                 LEASES
   ----                                                                ---------
   <S>                                                                 <C>
   1996...............................................................  $  765
   1997...............................................................   1,485
   1998...............................................................     999
   1999...............................................................     729
   2000...............................................................     583
   Thereafter.........................................................   3,364
                                                                        ------
     Total lease commitments .........................................  $7,925
                                                                        ======
</TABLE>
 
  Rent expense, net of sublease income of approximately $60,000, $20,000 and
$39,000, was $650,000, $218,000 and $452,000 for the periods March 17, 1995 to
December 31, 1995, March 17, 1995 to June 30, 1995 and January 1, 1996 to June
30, 1996, respectively. Amortization expense includes $253,000, $63,000 and
$190,000 amortization of the leasehold asset in lieu of rent expense for the
periods March 17, 1995 to December 31, 1995, March 17, 1995 to June 1995 and
January 1, 1996 to June 30, 1996, respectively.
 
7. INCOME TAXES
 
  The Company has deferred tax assets of approximately $2,833,000 and
$6,421,000 at December 31, 1995 and June 30, 1996, respectively. For financial
reporting purposes, valuation allowances of $2,772,000 and $6,351,000,
respectively, have been recognized to offset these deferred tax assets. During
the period March 17, 1995 to December 31, 1995 and the six month period ended
June 30, 1996, the valuation allowance increased by approximately $1,006,000
and $3,579,000, respectively.
 
  Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the corresponding amounts used for income tax purposes.
Significant components of the Company's deferred tax assets and liabilities
are as follows (in thousands):
 
<TABLE>
<CAPTION>
                                               DECEMBER 31, 1995 JUNE 30, 1996
                                               ----------------- -------------
   <S>                                         <C>               <C>
   Deferred revenue...........................      $  539          $  370
   Net operating loss carryforwards...........       2,395           5,910
   Other, net.................................        (101)            141
                                                    ------          ------
     Total deferred tax assets................       2,833           6,421
   Valuation allowance for deferred tax
    assets....................................       2,772           6,351
                                                    ------          ------
     Net deferred tax assets..................      $   61          $   70
                                                    ======          ======
</TABLE>
 
                                     F-12
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  For financial reporting purposes, income before income taxes includes the
following components (in thousands):
 
<TABLE>
<CAPTION>
                                                     MARCH 17 TO    SIX MONTHS
                                                     DECEMBER 31, ENDED JUNE 30,
                                                         1995          1996
                                                     ------------ --------------
   <S>                                               <C>          <C>
   Pre-tax loss from continuing operations:
     United States..................................   $(4,972)      $ (9,690)
     Non-United States..............................    (1,237)          (480)
                                                       -------       --------
   Consolidated.....................................   $(6,209)      $(10,170)
                                                       =======       ========
</TABLE>
 
  The Company has available net operating loss carryforwards of approximately
$15,109,000 at June 30, 1996, which may be used to reduce future taxable
income. Of this amount, U.S. carryforwards of approximately $11,804,000 expire
in various years through 2011, certain non-U.S. carryforwards of approximately
$1,589,000 expire in various years through 2001 and the balance may be carried
forward indefinitely. If losses of acquired companies are used to reduce
future taxable income, associated tax benefits will first reduce acquired
goodwill and other noncurrent intangible assets before being recognized as a
reduction of income tax expense in the period the benefits are realized.
Utilization of the net operating loss carryforwards may be limited pursuant to
the provisions of Section 382 of the Internal Revenue Code of 1986.
 
  The results of continuing operations for March 17, 1995 to December 31,
1995, the period March 17, 1995 to June 30, 1995 and the six months ended June
30, 1996 include non-U.S. income tax benefits of approximately $(339,000),
$(55,000) and $0, respectively, and U.S. federal, state and local income,
franchise and minimum tax benefits of approximately $(754,000), $(255,000) and
($257,000), respectively.
 
8. JOINT VENTURE AGREEMENT
 
  In 1991, BIS Strategic Decisions, Inc. entered into a joint venture
agreement with a Japanese company to provide additional market penetration in
Japan for its products and services. BIS Strategic Decisions, Inc.'s initial
equity ownership was 40%. Pursuant to the terms of the agreement, the Company
purchased an additional 10% interest in the joint venture from its partner in
March 1996 for approximately $85,000. In April 1996, the Company and its
partner each increased their investment in the joint venture by approximately
$24,000.
 
  At December 31, 1995 and June 30, 1996, the Company had accounts receivable
due from the joint venture of $100,000 and $69,000, respectively.
 
9. LONG TERM DEBT
 
  In connection with the Company's acquisition of BIS, the Company issued a
$1,000,000 5% convertible note due April 5, 1998 in favor of Friday Holdings,
L.P. The note is convertible into 2.67% of the outstanding Common Stock of the
Company based on equity capitalization for the Company of up to $5,000,000.
   
  In connection with the Company's acquisition of ExperNet, the Company issued
a $400,000 6% convertible note to Mr. Gilmour (see Note 3). The Note is
convertible into shares of Series B Preferred Stock. The Note may be prepaid
in part, up to $150,000, at the option of the holder at any time between July
1, 1997 and July 1, 1999 and all, or any part, at the option of the holder on
or after July 1, 1999. The holder may convert all or part of the unpaid
principal amount of the Note to the Company's Series B Preferred Stock in
increasing amounts over a 30-month period beginning December 31, 1995. As of
June 30, 1996, the note is convertible into 42,861 shares of Series B
Preferred Stock.     
 
                                     F-13
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
10. PREFERRED STOCK
 
  The authorized capital stock of the Company includes 10,000,000 shares of
Preferred Stock. Of the Preferred Stock, 650,000 shares have been designated
as Series A Preferred Stock and 6,500,000 shares have been designated as
Series B Preferred Stock. The remaining 2,850,000 shares of Preferred Stock
have not been designated. Upon completion of the Company's proposed initial
public offering, the Company will have authorized 5,000,000 shares of
undesignated Preferred Stock.
 
SERIES A PREFERRED STOCK
 
  During 1995, the Company issued 410,000 shares of Series A Preferred Stock
(1,640,000 shares on an as- converted basis) for consideration of $2,050,000
which consisted of $2,025,000 cash and a $25,000 non-recourse note from an
employee in connection with his acceptance of employment with the Company. In
addition, 160,000 shares of Series A Preferred Stock (640,000 shares on an as-
converted basis) were issued in connection with the acquisition of ExperNet as
described in Note 3.
 
SERIES B PREFERRED STOCK
 
  During 1995, the Company issued 4,026,772 shares of Series B Preferred Stock
for cash consideration of $13,216,000, net of issuance costs of $878,000. In
addition, bridge financing in the principal amount of $2,000,000 was
automatically converted into 571,428 shares of Series B Preferred Stock at the
first closing of the Series B Preferred Stock financing in November 1995.
During the six months ended June 30, 1996, the Company issued 674,015 shares
of Series B Preferred Stock for cash consideration of $2,337,000, net of
issuance costs of $25,000.
 
CONVERSION
 
  Each share of Series A Preferred Stock and Series B Preferred Stock is
convertible, at the holder's option, into that number of shares of Common
Stock as is determined by dividing the initial purchase price of such shares
by the conversion price in effect at the time of conversion. The conversion
price of each share of Series A Preferred Stock and Series B Preferred Stock
is subject to adjustment upon the occurrence of certain events. At June 30,
1996 each share of Series A Preferred Stock is convertible into four shares of
Common Stock and each share of Series B Preferred Stock is convertible into
one share of Common Stock.
 
  The Series A Preferred Stock and Series B Preferred Stock will automatically
convert into Common Stock at the then effective conversion price immediately
prior to the closing of a firm commitment underwritten public offering of
Common Stock at a price of at least $5.25 per share (as adjusted for any stock
splits, stock dividends, subdivisions or combinations), and having aggregate
gross proceeds of at least $15,000,000. In addition, the Series A Preferred
Stock and Series B Preferred Stock will convert into Common Stock at the then
effective conversion price upon the consent of the holders of at least two-
thirds (2/3) of the then outstanding Series A Preferred Stock and Series B
Preferred Stock.
 
LIQUIDATION
 
  Upon (i) the liquidation, dissolution, or winding up of the Company (either
voluntary or involuntary) or (ii) the merger or consolidation of the Company
with another corporation or the sale or other transfer of all or substantially
all of the assets of the Company which is not agreed to by the holders of not
less than a majority of the Preferred Stock, voting together as a single
class, and in which stockholders of the Company immediately prior to such
transaction do not own more than a 50% interest in the surviving entity, (i)
holders of the Series A Preferred Stock are entitled to receive out of the
assets of the Company available for distribution to its stockholders, an
amount equal to $5.00 per share, plus any declared but unpaid dividends, prior
to any distribution to the holders of the Company's Common Stock, and (ii)
holders of Series B Preferred Stock are
 
                                     F-14
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
entitled to receive out of the assets of the Company available for
distribution to its shareholders, an amount equal to $3.50 per share, plus any
declared but unpaid dividends, prior to any distribution to the holders of the
Company's Common Stock. Following distribution of such preferential amounts,
holders of Series A Preferred Stock and Series B Preferred Stock shall not
participate in any further distribution.
 
VOTING
 
  Except as provided by law or in the Company's Amended and Restated
Certificate of Incorporation, the holders of the Series A Preferred Stock and
Series B Preferred Stock vote with holders of the Company's Common Stock on an
as converted basis and not as a separate class or series. In addition, so long
as any shares of Series A Preferred Stock or Series B Preferred Stock are
outstanding, the Company may not, without the approval of at least a majority
of the outstanding shares of the Series A Preferred Stock and Series B
Preferred Stock, take certain actions as described in the Certificate of
Incorporation.
 
11. COMMON STOCK
 
  In November 1995, the Company amended its Certificate of Incorporation to
increase the authorized number of shares of Common Stock from 10,000,000 to
28,000,000. In November 1995, the Company effected a four-for-one stock split
of the Common Stock in the form of a stock dividend. All share and per share
data presented herein have been restated to reflect the Common Stock split.
Upon completion of the Company's proposed initial public offering, the Company
will have authorized 60,000,000 shares of Common Stock.
 
12. STOCK OPTIONS AND WARRANTS
 
STOCK OPTIONS
 
  In June 1995, the Company adopted the 1995 Stock Plan (the "Prior Stock
Plan"). The Prior Stock Plan was superseded in October 1995 by the 1995 Stock
Option/Stock Issuance Plan (the "1995 Stock Plan"). A total of 5,000,000
shares of Common Stock were reserved for issuance under the 1995 Stock Plan as
of June 30, 1996.
 
  The 1995 Stock Plan provides for direct purchases of Common Stock and the
grants of non-qualified and incentive options to purchase shares of the
Company's Common Stock to employees (including officers and directors who are
employed by the Company) of, and consultants to, the Company at the fair
market value determined by the Board on the date of the grant. The Board may
determine the date on which these shares vest and become exercisable. Shares
purchased as the result of the exercise of these options are subject to the
Company's right to repurchase such shares upon the occurrence of certain
events and at a price equal to the fair market value as defined on the date of
repurchase. At June 30, 1996, 2,271,361 shares were available for grant.
 
                                     F-15
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
 
  A summary of activity under the 1995 Stock Plan through June 30, 1996
follows:
 
<TABLE>     
<CAPTION>
                                                        NUMBER OF    EXERCISE/
                                                      SHARES UNDER   PURCHASE
                                                     OPTION/PURCHASE   PRICE
                                                     --------------- ----------
   <S>                                               <C>             <C>
   Outstanding at March 17, 1995
     Granted........................................    2,550,400    $0.50-0.60
     Exercised/purchased............................     (160,000)         0.50
     Cancelled......................................      (60,000)         0.50
                                                        ---------    ----------
   Outstanding at December 31, 1995                     2,330,400     0.50-0.60
     Granted........................................      586,050     0.50-0.90
     Exercised/purchased............................       (2,600)         0.50
     Cancelled......................................     (347,811)    0.50-0.90
                                                        ---------    ----------
   Outstanding at June 30, 1996.....................    2,566,039     0.50-0.90
                                                        =========    ==========
</TABLE>    
 
  Through August 31, 1996, pursuant to the 1995 Stock Plan, the Company
granted additional options to acquire a total of 371,000 shares of Common
Stock at exercise prices ranging from $0.90 to $6.75, net of cancellations of
options to purchase 86,892 shares of Common Stock. In addition, the Company
has granted options to purchase a total of 780,000 shares of Common Stock
granted other than pursuant to the 1995 Stock Plan at an exercise price of
$0.50.
 
WARRANTS
 
  In connection with certain financings of the Company, the Company has issued
a warrant to purchase 107,876 shares of Series B Preferred Stock at an
exercise price of $4.5625 per share and a warrant to purchase 285,714 shares
of Series B Preferred Stock at an exercise price of $2.345 per share. Each of
the warrants is for a term of five years, subject to earlier expiration upon
the occurrence of certain events.
 
13. STOCK PURCHASE PLANS/AGREEMENTS
   
  In the period from inception to December 31, 1995, the Company sold 420,000
shares of Common Stock to certain employees of the Company at $0.50 per share
under the provisions of the 1995 Stock Plan or separate stock purchase
agreements. Employees vest in these shares over five years from their
respective dates of purchase, with 25% vesting on the first anniversary of the
purchase and the remainder vesting pro rata thereafter monthly over the
remaining 48 months. If an employee who purchased stock under either the 1995
Stock Plan or separate agreements ceases to be employed by the Company, the
Company at its option may elect to repurchase the employee's unvested shares
at the original cost paid by the employee for such stock and vested shares at
a price equal to the fair market value as defined on the date of repurchase.
    
  In October 1995, the Company sold 120,000 shares of Common Stock to Richard
Crandall, a director who also serves as a consultant to the Company for $0.50
per share of which $10,000 was paid in cash and $50,000 was paid in the form
of a non-recourse interest bearing note due March 31, 1996. In June 1996, the
Company cancelled the promissory note plus interest accrued thereunder
(totalling approximately $52,000), in lieu of payment to Mr. Crandall for
services rendered to the Company in 1995 (for which Mr. Crandall was entitled
to receive $25,000) and the first six months of 1996 (for which Mr. Crandall
was entitled to receive $30,000) plus interest. These shares are also subject
to certain repurchase rights by the Company in the event that Mr. Crandall
ceases to be either a director of, or consultant to, the Company.
 
14. EMPLOYEE BENEFITS AND DEFERRED COMPENSATION PLANS
 
  In the United States, the Company maintains a Savings and Retirement Plan
(the "401(k) Plan") under Section 401 of the Internal Revenue Code. Employees
are eligible to participate in the 401(k) Plan who work a
 
                                     F-16
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
minimum of one year and have attained the age of 21. The Company matches by
25% that portion of a participant's contribution representing the first 3% of
an employee's base salary and by 50% that portion representing the next 3% of
an employee's base salary. The Company may also make additional contributions
to the 401(k) Plan at the discretion of the Board of Directors. The Company
has made mandatory contributions to the 401(k) Plan of $47,000, $17,000 and
$33,000 during the periods March 17, 1995 to December 31, 1995, March 17, 1995
to June 30, 1995 and the six months ended June 30, 1996. The Company has not
made any discretionary contributions to the 401(k) Plan during 1995 or 1996.
 
15. GEOGRAPHICAL MARKET INFORMATION
 
  The Company operates in one business segment and in the geographical markets
indicated in the table below. Sales for continuing operations are reflected in
the segment from which the sales are made. The Other International segment
includes France, Italy, Germany and Korea.
 
<TABLE>
<CAPTION>
                                             (IN THOUSANDS)
                              NORTH             UNITED       OTHER
                             AMERICA  AUSTRALIA KINGDOM  INTERNATIONAL  TOTAL
                             -------  --------- -------  ------------- -------
<S>                          <C>      <C>       <C>      <C>           <C>
MARCH 17, 1995 TO DECEMBER
 31, 1995:
  Revenues:
    Total revenues.........  $ 3,755   $ 3,832  $ 2,051     $1,185     $10,823
    Transfers between
     areas.................      --        --       (55)       (62)       (117)
                             -------   -------  -------     ------     -------
    Unaffiliated revenues..    3,755     3,832    1,996      1,123      10,706
                             =======   =======  =======     ======     =======
  Income (loss) from
   operations..............   (5,087)      215     (857)      (639)     (6,368)
  Total assets.............   20,222     1,163    2,077      1,222      24,684
MARCH 17, 1995 TO JUNE 30,
 1995:
  Revenues:
    Total revenues.........  $ 1,113   $ 1,337  $   681     $  472     $ 3,603
    Transfers between
     areas.................      --        --       (13)       (19)        (32)
                             -------   -------  -------     ------     -------
    Unaffiliated revenues..    1,113     1,337      668        453       3,571
                             =======   =======  =======     ======     =======
  Income (loss) from
   operations..............     (898)      135     (117)      (173)     (1,053)
  Total assets.............    7,517       996    2,017      1,351      11,881
JANUARY 1, 1996 TO JUNE 30,
 1996:
  Revenues:
    Total revenues.........  $ 2,364   $ 2,281  $ 1,239     $  662     $ 6,546
    Transfers between
     areas.................      (12)      --       (16)       (36)        (64)
                             -------   -------  -------     ------     -------
    Unaffiliated revenues..    2,352     2,281    1,223        626       6,482
                             =======   =======  =======     ======     =======
  Loss from operations.....   (9,978)       (9)    (288)      (218)    (10,493)
  Total assets.............   15,014     1,434    1,773        999      19,220
</TABLE>
 
16. DISCONTINUED OPERATIONS
 
  On June 25, 1996, the Company announced the discontinuation of the BIS
Market Research Business. In connection with the discontinuance of such
operations, the Company terminated the personnel employed in developing and
compiling the BIS data-intensive market research products, ceased operations
at two of its licensed facilities in England and entered into contracts with
two independent IT service providers engaged to fulfill the Company's
obligations to customers of BIS under certain existing subscription
agreements, all of which expire on or before June 1997. The results of these
operations prior to June 25, 1996 have been classified as discontinued
operations and prior year financial statements have been restated to reflect
the discontinuance. A charge of approximately $2,305,000 (net of taxes of
approximately $158,000) was recorded in June 1996 for the loss on disposition
of the operations consisting primarily of rent and compensation.
 
                                     F-17
<PAGE>
 
                         GIGA INFORMATION GROUP, INC.
 
            NOTES TO CONSOLIDATED FINANCIAL STATEMENTS--(CONTINUED)
 
The net liabilities of the discontinued operations of the BIS business have
been segregated in the consolidated balance sheets and as of June 30, 1996
consist primarily of accounts receivable ($1,739,000) and amounts payable
related to rent and facilities expenses ($1,893,000), customer refunds
($1,187,000) and salaries and related severance costs ($495,000). The
operating results of the BIS business are summarized as follows (in
thousands):
 
<TABLE>
<CAPTION>
                               MARCH 17 TO       MARCH 17,     SIX MONTHS ENDED
                            DECEMBER 31, 1995 TO JUNE 30, 1995  JUNE 30, 1996
                            ----------------- ---------------- ----------------
                                                (UNAUDITED)
   <S>                      <C>               <C>              <C>
   Revenues................      $11,329           $3,829           $3,521
   Pre-tax income..........        2,987              731               29
   Provision for income
    taxes..................        1,497              430              114
                                 -------           ------           ------
   Net income (loss).......      $ 1,490           $  301           $  (85)
                                 =======           ======           ======
</TABLE>
 
17. COMMITMENTS AND CONTINGENT LIABILITIES
 
  The Company entered into an agreement in May 1996 with Dow Jones & Company,
Inc. regarding the distribution of certain content provided by Dow Jones to
GigaWeb subscribers. In exchange for the rights to distribute Dow Jones
information, the Company is required to pay Dow Jones a monthly fee equal to
the greater of a Guaranteed Minimum Monthly Payment or an established rate per
GigaWeb subscriber. The Guaranteed Minimum Monthly Payment schedule is as
follows: $5,000 per month for July and August 1996, $7,500 for September 1996,
$10,000 for October 1996, $11,000 per month for November and December 1996 and
$22,500 per month throughout calendar year 1997. The total minimum payments
would be approximately $320,000 over the life of the Agreement. This agreement
is due to expire on December 31, 1997.
   
  A subsidiary of the Company, BIS Strategic Decisions, Ltd., has an unused
line of credit with a bank which is secured by all assets owned or leased by
the Company.     
 
18. SUBSEQUENT EVENTS
 
  In July 1996, an action was brought against the Company and its chairman by
a former employee alleging breach of employment agreement and fraud and
seeking, among other things, approximately $3.5 million in compensatory and
punitive damages. The Company believes it has meritorious defenses and intends
to vigorously defend its case. Management believes it is unlikely that the
outcome of this case will have a material adverse effect on the financial
condition of the Company.
   
  In August 1996, the Board of Directors authorized, subject to stockholder
approval and the closing of the proposed initial public offering, the filing
of a Restated Certificate of Incorporation which authorized 60,000,000 shares
of Common Stock and 5,000,000 shares of undesignated Preferred Stock which is
issuable in one or more series, each of such series to have such rights and
preferences, including voting rights, dividend rights, conversion rights,
redemption privileges and liquidation preferences as shall be determined by
the Board of Directors.     
 
  On August 5, 1996, the Board of Directors amended the 1995 Stock Plan,
subject to stockholder approval, to increase the number of shares of Common
Stock reserved for issuance under the 1995 Stock Plan from 5,000,000 to
6,000,000. On August 28, 1996, the Board of Directors adopted, subject to
stockholder approval, the 1996 Stock Option Plan (the "1996 Plan") to
effectively supersede the 1995 Stock Plan. The 1996 Stock Plan will provide
for the granting of options to purchase 3,000,000 shares of Common Stock. As a
result, the Board of Directors also voted not to grant any additional stock
options under the 1995 Stock Plan.
 
  On August 28, 1996, the Board of Directors also adopted, subject to
stockholder approval and the closing of the proposed initial public offering,
the 1996 Employee Stock Purchase Plan (the "Purchase Plan"). A total of
400,000 shares of Common Stock has been reserved for issuance under the
Purchase Plan.
 
                                     F-18
<PAGE>
 
                       REPORT OF INDEPENDENT ACCOUNTANTS
 
To the Board of Directors and Stockholders of Giga Information Group, Inc.:
 
  We have audited the accompanying combined statements of operations, changes
in stockholder's equity and cash flows of BIS Strategic Decisions for the
period from January 1, 1995 to April 5, 1995. These financial statements are
the responsibility of management. Our responsibility is to express an opinion
on these financial statements based on our audits.
 
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits provide a reasonable basis
for our opinion.
 
  As discussed in Note 1 to the combined financial statements, BIS Strategic
Decisions was acquired by Giga Information Group, Inc. on April 5, 1995 and
has been operated by the management of Giga since that date. The transaction
involved the payment of $200,000 cash and a convertible note in the principal
amount of $1,000,000 for all the outstanding shares of BIS Strategic
Decisions.
 
  In our opinion, the financial statements referred to above present fairly,
in all material respects, the combined results of BIS Strategic Decisions'
operations and its cash flows for the period from January 1, 1995 to April 5,
1995 in conformity with generally accepted accounting principles.
 
                                          Coopers & Lybrand L.L.P.
 
Boston, Massachusetts
August 31, 1996
 
                                     F-19
<PAGE>
 
               REPORT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS
 
Shareholder
BIS Strategic Decisions
 
  We have audited the accompanying combined balance sheet of the entities
listed in Note 2 as of December 31, 1994, and the related combined statements
of operations, stockholder's equity, and cash flows for the year ended
December 31, 1994, the period from December 16, 1993 to December 31, 1993, and
the period from January 1, 1993 to December 15, 1993. These financial
statements are the responsibility of the Companies' management. Our
responsibility is to express an opinion on these combined financial statements
based on our audits. We did not audit the financial statements of BIS Shrapnel
PTY Limited for the periods January 1, 1993 to December 15, 1993, and December
16, 1993 to December 31, 1993, which statements reflect total revenues of
approximately $4,245,000 and $187,000, respectively. Those statements were
audited by other auditors whose report has been furnished to us, and our
opinion for the period from January 1, 1993 to December 15, 1993, and December
16, 1993 to December 31, 1993, insofar as it relates to data included for BIS
Shrapnel PTY Limited, is based solely on the reports of other auditors.
 
  We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to
obtain reasonable assurance about whether the financial statements are free of
material misstatement. An audit includes examining, on a test basis, evidence
supporting the amounts and disclosures in the financial statements. An audit
also includes assessing the accounting principles used and significant
estimates made by management, as well as evaluating the overall financial
statement presentation. We believe that our audits and, for the periods
January 1, 1993 to December 15, 1993, and December 16, 1993 to December 31,
1993, the report of other auditors provide a reasonable basis for our opinion.
 
  In our opinion, based on our audits and, for the periods January 1, 1993 to
December 15, 1993, and December 16, 1993 to December 31, 1993, the report of
other auditors, the combined financial statements referred to above present
fairly, in all material respects, the combined financial condition of the
entities listed in Note 2 as of December 31, 1994, and the combined results of
their operations and their cash flows for the year ended December 31, 1994,
the period from December 16, 1993 to December 31, 1993, and the period from
January 1, 1993 to December 15, 1993, in conformity with generally accepted
accounting principles.
 
  The accompanying combined financial statements have been prepared assuming
that the Companies listed in Note 2 will continue as a going concern. As more
fully described in Note 4, the Companies' expired line of credit with a bank
and projected cash shortfalls for 1995 raise substantial doubt about their
ability to continue as a going concern. The Companies are wholly-owned by
Friday Holdings, L.P., a limited partnership that is in the process of winding
up its affairs. In connection therewith, Friday Holdings, L.P. is in
discussions with potential buyers of the Companies. On March 6, 1995, Friday
Holdings, L.P. entered into a nonbinding letter of intent to sell the
Companies. Among other things, the terms of the nonbinding letter of intent
provide that the buyer infuse up to $1,800,000 into the Companies during the
first year. See Note 4 for additional information about the nonbinding letter
of intent and management's plans to address the projected cash shortfalls. The
accompanying combined financial statements as of December 31, 1994, and for
the year ended December 31, 1994, the period from December 16, 1993 to
December 31, 1993, and the period from January 1, 1993 to December 15, 1993,
do not include any adjustments to reflect the possible future effects on the
recoverability and classification of assets or the amounts and classification
of liabilities that may result from the outcome of this uncertainty.
 
  As described in Note 2, effective January 1, 1993, the Companies changed
their method of accounting for revenue recognized for continuous information
services.
 
                                                    Ernst & Young LLP
 
Boston, Massachusetts
March 13, 1995, except with respect to
 the matters described in Note 12, as to which the date is September 6, 1996.
 
                                     F-20
<PAGE>
 
                           BIS SHRAPNEL PTY LIMITED
 
                  INDEPENDENT AUDIT REPORT TO THE MEMBERS OF
                           BIS SHRAPNEL PTY LIMITED
 
SCOPE
 
We have audited the attached financial package of the business BIS Shrapnel
from 1 January 1993 to 15 December 1993. The results incorporate the
operations of the two legal entities that carried on the business under the
name BIS Shrapnel and have been prepared on the basis of the footnotes to the
financial package.
 
The company's directors are responsible for the preparation and presentation
of the financial package and the information contained therein. We have
conducted an independent audit of this financial package in order to express
an opinion on the financial package to the members of the company.
 
Our audit has been conducted in accordance with Australian Auditing Standards,
which are substantially comparable to United States Generally Accepted
Auditing Standards, to provide reasonable assurance as to whether the
financial package is free of material misstatement. Our procedures included
examination, on a test basis, of evidence supporting the amounts and other
disclosures in the financial package, and the evaluation of accounting
policies and significant accounting estimates. These procedures have been
undertaken to form an opinion as to whether, in all material respects, the
financial package is presented fairly in accordance with Australian accounting
standards so as to present a view of the business which is consistent with our
understanding of its financial position, the results of its operations and its
cash flows.
 
The audit opinion expressed in this report has been formed on the above basis.
 
AUDIT OPINION
 
In our opinion the financial package of the business of BIS Shrapnel is
properly drawn up:
 
(a) so as to give a true and fair view of the state of affairs of the business
    as at 15 December 1993 and of its result and cash flows for the period
    from 1 January 1993 to 15 December 1993; and
 
(b) in accordance with applicable Accounting Standards.
 
COOPERS & LYBRAND
Chartered Accountants
 
Signed at Sydney this 6th day of July 1994.
 
                                     F-21
<PAGE>
 
                           BIS SHRAPNEL PTY LIMITED
 
                  INDEPENDENT AUDIT REPORT TO THE MEMBERS OF
                           BIS SHRAPNEL PTY LIMITED
 
SCOPE
 
We have audited the attached financial package of BIS Shrapnel Pty Limited
from 16 December 1993 to 31 December 1993. The financial package has been
prepared on the basis of the footnotes to the financial package.
 
The company's directors are responsible for the preparation and presentation
of the financial package and the information contained therein. We have
conducted an independent audit of this financial package in order to express
and opinion on the financial package to the members of the company.
 
Our audit has been conducted in accordance with Australian Auditing Standards,
which are substantially comparable to United States Generally Accepted
Auditing Standards, to provide reasonable assurance as to whether the
financial package is free of material misstatement. Our procedures included
examination, on a test basis, of evidence supporting the amounts and other
disclosures in the financial package, and the evaluation of accounting
policies and significant accounting estimates. These procedures have been
undertaken to form an opinion as to whether, in all material respects, the
financial package is presented fairly in accordance with Australian accounting
standards so as to present a view of the company which is consistent with our
understanding of its financial position, the results of its operations and its
cash flows.
 
The audit opinion expressed in this report has been formed on the above basis.
 
AUDIT OPINION
 
In our opinion the financial package of the business of BIS Shrapnel is
properly drawn up:
 
(a) so as to give a true and fair view of the state of affairs of the company
    as at 31 December 1993 and of its result and cash flows for the period
    from 16 December 1993 to 31 December 1993; and
 
(b) in accordance with applicable Accounting Standards.
 
COOPERS & LYBRAND
Chartered Accountants
 
Signed at Sydney this 6th day of July 1994.
 
                                     F-22
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
                             COMBINED BALANCE SHEET
 
                               DECEMBER 31, 1994
                (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)
 
<TABLE>
<S>                                                             <C>     
                                ASSETS
Current assets:
  Cash and cash equivalents.................................... $1,809
  Trade accounts receivable, net of allowance for uncollectible
   accounts of $45.............................................  2,227
  Unbilled accounts receivable.................................    663
  Prepaid expenses and other current assets....................    302
                                                                ------
      Total current assets.....................................  5,001
Property and equipment, net of accumulated depreciation of
 $674..........................................................  1,807
Goodwill, net of accumulated amortization of $2,299............  1,778
Other assets...................................................     15
                                                                ------
        Total assets........................................... $8,601
                                                                ======
                 LIABILITIES AND STOCKHOLDER'S EQUITY
Current liabilities:
  Bank loans...................................................   $345
  Accounts payable, other current liabilities and accrued ex-
   penses......................................................  2,394
  Deferred revenues............................................  1,681
  Accrued compensation and benefits............................    791
  Net liabilities of discontinued operations...................  1,567
                                                                ------     
      Total current liabilities................................  6,778
Stockholder's equity:
  Common Stock:
    BIS Strategic Decisions, Inc. $0.01 par value per share;
     one share authorized, issued and outstanding..............    --
    BIS Strategic Decisions, Ltd. (Pounds)1 par value per
     share;
     2,160,791 shares authorized, issued and outstanding.......  3,220
    BIS Shrapnel PTY Ltd. A$1 par value per share; 10,000,000
     shares
     authorized, 2,467,841 shares issued and outstanding.......  1,654
    BIS Strategic Decisions, GmbH DM 60,000 par value per
     share;
     one share authorized, issued and outstanding..............     29
    BIS Strategic Decisions, Srl Lire 200,000 par value per
     share;
     100 shares authorized, issued and outstanding.............     11
    BIS Strategic Decisions, Sarl FF 100 par value per share;
     10,000 shares authorized, issued and outstanding..........    171
  Additional paid-in capital...................................  4,011
  Accumulated deficit.......................................... (6,951)
  Cumulative translation adjustment............................   (322)
                                                                ------
      Total stockholder's equity...............................  1,823
                                                                ------
        Total liabilities and stockholder's equity............. $8,601
                                                                ======
</TABLE>
 
     The accompanying notes are an integral part of the combined financial
                                  statements.
 
                                      F-23
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
                       COMBINED STATEMENTS OF OPERATIONS
 
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            PREDECESSOR
                             COMPANIES
                              (NYNEX)           PREDECESSOR COMPANIES (FHLP)
                          --------------- ----------------------------------------
                             JANUARY 1      DECEMBER 16    YEAR ENDED   JANUARY 1
                          TO DECEMBER 15, TO DECEMBER 31, DECEMBER 31, TO APRIL 5,
                               1993            1993           1994        1995
                          --------------- --------------- ------------ -----------
<S>                       <C>             <C>             <C>          <C>
Information products
 revenues...............      $11,371          $ 329        $12,700      $3,237
Cost and expenses:
  Cost of services and
   product development..        5,530            357          6,172       2,208
  Sales and marketing...        1,448             92          1,589         266
  General and
   administrative.......        6,901            307          8,108       1,197
  Depreciation and
   amortization.........          744             38          3,068         250
                              -------          -----        -------      ------
    Total costs and
     expenses...........       14,623            794         18,937       3,921
                              -------          -----        -------      ------
  Operating loss........       (3,252)          (465)        (6,237)       (684)
Interest income.........          114              7            103          26
Interest expense........          (38)            (4)           (26)         (4)
                              -------          -----        -------      ------
  Loss from continuing
   operations before
   income taxes.........       (3,176)          (462)        (6,160)       (662)
Income tax provision
 (benefit)..............         (983)            --         (1,096)       (213)
                              -------          -----        -------      ------
  Loss from continuing
   operations...........       (2,193)          (462)        (5,064)       (449)
Discontinued operations:
  Income (loss) from the
   discontinued BIS
   market research
   business, net of tax
   effect ..............        1,044             44         (1,469)        597
                              -------          -----        -------      ------
Net income (loss).......      $(1,149)         $(418)       $(6,533)       $148
                              =======          =====        =======      ======
</TABLE>
 
 
     The accompanying notes are an integral part of the combined financial
                                  statements.
 
                                      F-24
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
             COMBINED STATEMENTS OF CHANGES IN STOCKHOLDER'S EQUITY
 
                       (IN THOUSANDS, EXCEPT SHARE DATA)
 
<TABLE>
<CAPTION>
                           COMMON STOCK    ADDITIONAL CUMULATIVE                  TOTAL
                         ----------------   PAID-IN   TRANSLATION ACCUMULATED STOCKHOLDER'S
                          SHARES   AMOUNT   CAPITAL   ADJUSTMENTS   DEFICIT      EQUITY
                         --------- ------  ---------- ----------- ----------- -------------
<S>                      <C>       <C>     <C>        <C>         <C>         <C>
Predecessor Companies
 (NYNEX):
 Balance at December 31,
  1992;                                      $2,764      $(282)     $(1,021)     $1,461
  BIS Strategic Deci-
   sions, Inc., par
   value $.01 per
   share................         1 $  --        --         --           --          --
  BIS Strategic Deci-
   sions, Ltd., par
   value (Pounds).1 per
   share................ 1,050,000    160       --         --           --          160
  BIS Shrapnel PTY Ltd.,
   par value A$1 per
   share................   230,000    206       --         --           --          206
  BIS Strategic Deci-
   sions, Srl, par value
   Lire 200,000 per
   share................       100     16       --         --           --           16
Reorganization adjust-
 ments:                                         135        --          (823)       (688)
  BIS Strategic Deci-
   sions, GmbH, par
   value DM 50,000 per
   share................         1     29       --         --           --           29
  BIS Strategic Deci-
   sions, Sarl, par
   value FF 100 per
   share................    10,000    171       --         --           --          171
  BIS Strategic Deci-
   sions, Ltd. par value
   (Pounds).01 per
   share................       --      31       --         --           --           31
  BIS Strategic, Srl,
   par value Lire
   200,000 share........       --      (5)      --         --           --           (5)
  Net income............                                             (1,149)     (1,149)
Common stock issued in
 conjunction with reor-
 ganization:
  BIS Strategic Deci-
   sions, Ltd., par
   value (Pounds)1 per
   share................ 1,110,791  3,029       --         --           --        3,029
  BIS Strategic PTY
   Ltd., par value A$1
   per share............ 2,237,841  1,448       --         --           --        1,448
 Equity adjustment from
  translation...........       --     --        --         331          --          331
                         --------- ------    ------      -----      -------      ------
 Balance at December 15,
  1993.................. 4,638,734 $5,085    $2,899      $  49      $(2,993)     $5,040
                         ========= ======    ======      =====      =======      ======
- -------------------------------------------------------------------------------------------
Predecessor Companies
 (FHLP):
  Pushdown of invest-
   ment.................       --     --      1,112        (49)       2,993       4,056
                         --------- ------    ------      -----      -------      ------
 Balance at December 16,
  1993.................. 4,638,734  5,085     4,011        --           --        9,096
                         --------- ------    ------      -----      -------      ------
  Net loss..............       --     --        --         --          (418)       (418)
  Equity adjustment from
   translation..........       --     --        --           1          --            1
                         --------- ------    ------      -----      -------      ------
 Balance at December 31,
  1993.................. 4,638,734  5,085     4,011          1         (418)      8,679
                         --------- ------    ------      -----      -------
  Net loss..............       --     --        --         --        (6,533)     (6,533)
  Equity adjustment from
   translation..........       --     --        --        (323)         --         (323)
                         --------- ------    ------      -----      -------      ------
 Balance at December 31,
  1994.................. 4,638,734  5,085     4,011       (322)      (6,951)      1,823
                         --------- ------    ------      -----      -------      ------
  Net income............       --     --        --         --           148         148
  Equity adjustment from
   translation..........       --     --        --          (6)                      (6)
                         --------- ------    ------      -----      -------      ------
 Balance at April 5,
  1995.................. 4,638,734 $5,085    $4,011      $(328)     $(6,803)     $1,965
                         ========= ======    ======      =====      =======      ======
</TABLE>
 
     The accompanying notes are an integral part of the combined financial
                                  statements.
 
                                      F-25
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
                       COMBINED STATEMENTS OF CASH FLOWS
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                         PREDECESSOR
                          COMPANIES
                           (NYNEX)          PREDECESSOR COMPANIES (FHLP)
                         ------------ ----------------------------------------
                         JANUARY 1 TO DECEMBER 16 TO  YEAR ENDED  JANUARY 1 TO
                         DECEMBER 15,  DECEMBER 31,  DECEMBER 31,   APRIL 5,
                             1993          1993          1994         1995
                         ------------ -------------- ------------ ------------
<S>                      <C>          <C>            <C>          <C>         
Cash flows from
 operating activities
 Net income (loss)......   $(1,149)        $(418)      $(6,533)        $148
 Adjustments to
  reconcile net income
  (loss) to net cash
  used in continuing
  operating activities:
   Net (income) loss
    from discontinued
    operations..........    (1,044)          (44)        1,469         (597)
   Depreciation
    expense.............       744            30           788          226
   Amortization and
    writedown of
    goodwill............       --              8         2,280           24
   Loss (gain) on sale
    of fixed assets.....       (11)          --             62          --
   Provision for
    deferred income
    taxes...............       --            --         (1,183)          58
   Allowance for
    doubtful accounts...        (1)           (3)           27            9
   Changes in certain
    operating assets and
    liabilities:
    Increase in accounts
     receivable.........      (110)         (123)         (217)        (608)
    Decrease (increase)
     in unbilled
     services...........       (74)           10            (3)         183
    Decrease (increase)
     in prepaid expenses
     and other current
     assets.............      (805)          377           257         (314)
    Increase (decrease)
     in accounts payable
     and accrued
     expenses...........       461          (827)          589         (559)
    Increase (decrease)
     in deferred
     revenue............       818          (221)        1,763          490
                           -------       -------       -------       ------
 Net cash provided by
  (used in) operating
  activities of:
  Continuing
   operations...........    (1,171)       (1,211)         (701)        (940)
  Discontinued
   operations...........     3,302           812         1,136          642
                           -------       -------       -------       ------
  Net cash provided by
   (used in) operating
   activities...........     2,131          (399)          435         (298)
 Cash flows from
  investing activities:
  Purchase of fixed
   assets...............      (795)          (19)       (1,157)        (197)
  Proceeds from sale of
   equipment............       107           --             70           32
                           -------       -------       -------       ------
  Net cash used in
   investing
   activities...........      (688)          (19)       (1,087)        (165)
 Cash flows from
  financing activities:
  Proceeds from
   borrowings...........       176           --             80           22
  Principal payments on
   borrowings...........      (157)          --            --          (157)
  Principal payments on
   capital lease
   obligations..........       (61)          --            --           (19)
                           -------       -------       -------       ------
Net cash provided by
 (used in) financing
 activities.............       (42)          --             80         (154)
Effect of exchange rate
 changes on cash........        37            (4)         (433)         225
                           -------       -------       -------       ------
Net increase (decrease)
 in cash and cash
 equivalents............     1,438          (422)       (1,005)        (392)
 Cash and cash
  equivalents at
  beginning of period...     1,798         3,236         2,814        1,809
                           -------       -------       -------       ------
 Cash and cash
  equivalents at end of
  period................    $3,236        $2,814        $1,809       $1,417
                           =======       =======       =======       ======
 Supplemental cash flow
  information:
  Income taxes paid.....   $   155       $     0       $    51       $    7
  Interest paid.........   $    17       $     6       $    35       $    2
</TABLE>
 
 
     The accompanying notes are an integral part of the combined financial
                                  statements.
 
                                      F-26
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
 
1. BACKGROUND
 
  During the period January 1, 1993 to December 15, 1993, BIS Strategic
Decisions, Inc. and its five foreign affiliates (collectively "BIS Strategic
Decisions," "BIS" or the "Predecessor Companies") were wholly-owned
subsidiaries of NYNEX Corporation ("NYNEX"). On December 16, 1993, Friday
Holdings, L.P. ("FHLP") acquired 100% of the common stock outstanding of each
of the Predecessor Companies from NYNEX in exchange for $8,696,000 in cash. On
April 5, 1995, Giga Information Group, Inc. ("Giga") acquired 100% of the
common stock outstanding of each of the Predecessor Companies from FHLP for
$200,000 in cash and a $1,000,000 convertible promissory note. The acquisition
of the Predecessor Companies by Giga was accounted for as a purchase. As part
of the transaction, a $1,300,000 intangible asset was recorded representing
the fair value of payments being made on a property lease through May 1998 by
a former owner of the Predecessor Companies. The financial data of the
Predecessor Companies for the period January 1, 1993 to December 15, 1993 are
reflected on the financial statements and referred to from time to time herein
as "Predecessor Companies (NYNEX)." The financial data for the Predecessor
Companies for the period December 16, 1993 to December 31, 1993, the year
ended December 31, 1994 and for the period January 1 to April 5, 1995 are
reflected on the financial statements and referred to from time to time herein
as "Predecessor Companies (FHLP)."
 
  On June 25, 1996, the Company decided to discontinue the BIS Market Research
Business. In connection with the discontinuance of such operations, the
Company terminated the personnel employed in developing and compiling the BIS
market research products, ceased operations at two of the licensed facilities
in England and entered into contracts with two independent IT service
providers engaged to fulfill the Company's obligations to customers of BIS
under certain existing subscription agreements, all of which expire on or
before June 1997.
 
  The continuing operations reflected in the financial statements represent
revenues and expenses associated with the Predecessor Companies Information
Products revenues, which include events, publications, consulting and
econometric forecasting.
 
  The financial statements for the period January 1, 1993 to December 15, 1993
are presented as if the Predecessor Companies existed as an entity separate
from NYNEX and include only financial information directly related to the
Predecessor Companies. During 1993, in anticipation of the sale of the
Predecessor Companies, NYNEX initiated certain reorganization efforts which
changed the legal and capital structure of certain of the Predecessor
Companies.
 
2. SIGNIFICANT ACCOUNTING POLICIES
 
BASIS OF PRESENTATION
 
  The combined financial statements of BIS Strategic Decisions include the
accounts of BIS Strategic Decisions, Inc., BIS Strategic Decisions, Ltd., BIS
Shrapnel PTY Ltd., BIS Strategic Decisions, GmbH, BIS Strategic Decisions, Srl
and BIS Strategic Decisions, Sarl. All intercompany accounts and transactions
have been eliminated in combination.
 
  Pursuant to the acquisition of BIS on December 16, 1993 by FHLP,
identifiable assets acquired and liabilities assumed were carried over at net
book value which approximates fair market value. The excess of the purchase
price over the fair market value of the net identifiable assets acquired was
recorded as goodwill.
 
 
                                     F-27
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
  Because of the impact to the combined statements of operations, changes in
stockholder's equity and cash flows of the revaluation of the net assets
acquired by FHLP on December 16, 1993, the combined statements of operations,
changes in stockholder's equity and cash flows for the periods January 1, 1993
to December 15, 1993 are not comparable with those of December 16, 1993 to
December 31, 1993, the year ended December 31, 1994 and the period January 1,
1995 to April 5, 1995.
 
CUMULATIVE EFFECT OF CHANGE IN ACCOUNTING
 
  Effective January 1, 1993, the Predecessor Companies changed their method of
accounting for revenue recognized for continuous information services (which
services were provided solely by the BIS Market Research Business) to
recognize revenue ratably over the contract period. Previously, 35% of the
revenue was recognized at the start of the service term and the remaining 65%
was recognized ratably over the service period. Management believes that the
change in accounting principle results in better matching of revenues and
expenses and is preferable given the current industry practice. The cumulative
effect of the change in accounting at January 1, 1993, net of $462,000 in
applicable income taxes, decreased the net income by $1,928,000 for the period
ended December 15, 1993. The change in revenue recognition is reflected in its
entirety in the results of discontinued operations.
 
FOREIGN CURRENCY TRANSLATION
 
  For international operations, the local currency is used as the functional
currency. The assets and liabilities of the foreign companies are translated
at the year-end rates of exchange and the related income statement items are
translated at the average rates of exchange for the year. The resulting
translation adjustments are excluded from income and charged to a separate
component of stockholder's equity. Realized and unrealized exchange gains or
losses arising from transaction adjustments are reflected in operations and
are not material.
 
CASH EQUIVALENTS
 
  Cash equivalents consist of highly liquid investments with maturities of
three months or less at date of purchase.
 
PROPERTY AND EQUIPMENT
 
  Property and equipment is stated on the basis of cost less accumulated
depreciation. Depreciation is computed using the straight-line method over the
following estimated useful lives;
 
<TABLE>
<CAPTION>
      <S>                                <C>
      Computers and related equipment... 3 years
      Furniture and fixtures............ 5 years
      Motor vehicles.................... 4 years
      Leasehold improvements............ Shorter of economic life or lease term
</TABLE>
 
  Major additions and improvements are capitalized, while repairs and
maintenance are charged to expense as incurred. Upon retirement or
disposition, the cost and related accumulated depreciation are removed from
the account and the resulting gain or loss is included in the determination of
net income.
 
REVENUE RECOGNITION
 
  Information Product revenues from events, publications, consulting and
economic forecasting are recognized as follows:
 
    Events--revenues and associated expenses are recognized during the month
     that the conference is held.
 
    Publications--revenues from general and research reports are recognized
     when the report is published.   Newsletter revenues are recognized over
     the subscription period.
 
    Consulting Services--revenues are recognized based on the percentage of
     the service that has been   performed.
 
    Econometric Forecasting--revenues are recognized based on the percentage
     of the service that has   been completed.
 
                                     F-28
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
 
CONCENTRATIONS OF CREDIT RISK
 
  Cash equivalents are financial instruments which potentially subject the
Predecessor Companies to concentrations of credit risk. The Predecessor
Companies invest the majority of their excess cash in overnight investments in
a money market account. The Predecessor Companies have not experienced any
losses on their investments. The Predecessor Companies offer services to a
diversified client base, many of which are large, well established companies.
Accordingly, there is no one customer or industry that represents a
significant portion of revenues or receivables.
 
INCOME TAXES
 
  The Predecessor Companies account for income taxes in accordance with
Statement of Financial Accounting Standards No. 109, "Accounting for Income
Taxes" ("SFAS 109"), which is a balance sheet approach for accounting for
income taxes (see Note 3). Under SFAS 109, deferred tax liabilities and assets
are recognized based on temporary differences between the financial statement
and tax bases of assets and liabilities using current statutory tax rates.
SFAS 109 also requires a valuation allowance against net deferred tax assets
if, based on the available evidence, it is more likely than not that some or
all of the deferred tax assets will not be realized.
 
  For the period January 1, 1993 to December 15, 1993, NYNEX included BIS
Strategic Decisions, Inc.'s U.S. tax return in its consolidated U.S. tax
return. Income taxes pertaining to BIS Strategic Decisions, Inc. for the
period January 1, 1993 to December 15, 1993 were calculated as if BIS
Strategic Decisions, Inc. had filed a separate tax return. The Predecessor
Companies' foreign affiliates file separate tax returns.
 
  From December 16, 1993 through April 15, 1995 the Predecessor Companies
(FHLP) filed separate tax returns for all periods presented.
 
GOODWILL
 
  Goodwill represents the excess of cost over the fair value of the net assets
of companies acquired. This balance is amortized over 20 years using the
straight-line method.
 
3. PROPERTY AND EQUIPMENT
 
  Property and equipment for continuing operations at December 31, 1994
consists of the following (in thousands):
 
<TABLE>
   <S>                                                                   <C>
   Computer and related equipment....................................... $1,143
   Furniture and fixtures...............................................    522
   Motor vehicles.......................................................    794
   Leasehold improvements...............................................     22
                                                                         ------
                                                                          2,481
   Less accumulated depreciation and amortization.......................   (674)
                                                                         ------
   Property and equipment, net.......................................... $1,807
                                                                         ======
</TABLE>
 
4. LIQUIDITY
 
  In 1994, the Company made substantial changes in its operations and incurred
nonrecurring restructuring costs, predominately severance, of approximately
$905,000 of which $680,000 pertains to continuing operations. Further, in
March 1995, there was an additional reduction in force with related severance
costs of approximately $220,000 of which $198,000 pertains to continuing
operations. The budgets for 1995 anticipate a net use of cash
 
                                     F-29
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
which is less than the December 31, 1994 cash balance, however, there are
several months where the forecasted cash balance is negative. The Company's
only bank financing arrangement expired on December 31, 1994 . The bank has,
however, continued to honor the line on an informal month-to-month basis. As
of March 13, 1995, all amounts outstanding under this agreement were paid.
Should the bank not continue to extend the line, the Company will need to
obtain alternative financing or modify the 1995 operating plan to meet its
obligations.
 
  FHLP acquired 100% of the outstanding capital stock of each of the
Predecessor Companies (NYNEX) on December 16, 1993. FHLP has substantial
obligations to its limited partners which were due on December 31, 1994. FHLP
is in technical default of these obligations. Currently, FHLP management is in
the process of winding up its affairs. In connection therewith, on March 6,
1995, FHLP entered into a nonbinding letter of intent to sell the Predecessor
Companies. Among other things, the terms of the nonbinding letter of intent
includes a sales price of $1,800,000 (cash of $200,000 and a one-year note of
$1,600,000) and a requirement that the buyer infuse up to $1,800,000 into the
Predecessor Companies during the first year. Because of the terms of this
agreement, the Company has recorded an adjustment in 1994 to the carrying
value of goodwill of approximately $4,711,000 of which $2,617,000 is
attributable to discontinued operations.
 
5. CREDIT ARRANGEMENTS
 
  One of the combined affiliates of the Company has a working capital line of
credit agreement with a bank under which it may borrow amounts which ranged
from $480,000 to $750,000. The line of credit bears interest at the bank's
base rate plus 1.5% and is secured by all assets owned or leased by the
affiliate. The agreement contains operational covenants and expired on
December 31, 1994; however, the bank has allowed the affiliate to extend the
line pending resolution of the sale of the affiliate. As of December 31, 1994,
there was approximately $345,000 outstanding on the line of credit. As of
March 13, 1995, all amounts outstanding under this agreement were paid.
 
  The weighted average interest rates of outstanding borrowings were 4.0%,
4.4% 6.1% and 7.5% for the periods January 1, 1993 to December 15, 1993 and
December 16, 1993 to December 31, 1993, the year ended December 31, 1994 and
the period January 1, 1995 to April 5, 1995, respectively.
 
6. INCOME TAXES
 
  At December 31, 1994, the Predecessor Companies have deferred tax assets of
approximately $2,035,000. For financial reporting purposes, a valuation
allowance of $2,035,000 has been recognized to offset the deferred tax assets.
During the period ended December 31, 1994, the valuation allowance was
increased by approximately $586,000.
 
  Deferred income taxes reflect the net tax effects of temporary differences
between the carrying amounts of assets and liabilities for financial reporting
purposes and the amounts used for income tax purposes. Significant components
of the Predecessor Companies' deferred tax liabilities and assets as of
December 31, 1994 are as follows (in thousands):
 
<TABLE>
   <S>                                                                  <C>
   Deferred tax assets:
     Discontinued operations........................................... $ 1,025
     Net operating loss carryforward...................................   1,116
     Other, net........................................................    (106)
                                                                        -------
     Total deferred tax assets......................................... $ 2,035
   Valuation allowance for deferred tax assets.........................  (2,035)
                                                                        -------
   Net deferred tax assets............................................. $     0
                                                                        =======
</TABLE>
 
 
                                     F-30
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
  For financial reporting purposes, income taxes (benefit) from continuing
operations were based on the following components:
 
<TABLE>
<CAPTION>
                                                                        JANUARY 1 TO DECEMBER 16 TO  YEAR ENDED  JANUARY 1 TO
                                                                        DECEMBER 15,  DECEMBER 31,  DECEMBER 31,   APRIL 5,
                                                                            1993          1993          1994         1995
                                                                        ------------ -------------- ------------ ------------
<S>                                                                     <C>          <C>            <C>          <C>
Pretax loss from continuing operations:
  United States........................................................   $(1,609)       $(338)       $(1,458)      $(497)
  Foreign..............................................................    (1,567)        (124)        (4,702)       (165)
                                                                          -------        -----        -------       -----
    Total pretax loss from continuing operations.......................   $(3,176)       $(462)       $(6,160)      $(662)
- --------------------------------------------------
                                                                          =======        =====        =======       =====
</TABLE>
 
  The Company had available net operating loss carryforwards of approximately
$2,722,000 which may be used to reduce future taxable income. Domestic
carryforwards of approximately $1,100,000 expire in 2008. These carryforwards
have been limited to approximately $450,000 due to the purchase of the
Predecessor Companies by Giga. Certain remaining foreign carryforwards expire
in 1998 while others may be carried forward indefinitely. The results of
continuing operations for January 1 to December 15, 1993, December 16 to
December 31, 1993, the year ended December 31, 1994 and January 1 to April 5,
1995 include foreign tax expense (benefit) of $(345,000), $0, $(512,000) and
$(3,000), respectively.
 
7. PENSION PLANS
 
  North America--In 1987, the Predecessor Companies established CAP
International Savings and Retirement Plan (the 401(k) Plan), a profit sharing
plan under Section 401 of the Internal Revenue Code. Employees are eligible to
participate in the 401(k) Plan by meeting certain requirements, including
length of service and minimum age. The Predecessor Companies match the first
3% of an employee's contribution by 25% and the next 3% of an employee's
contribution by 50%. The Predecessor Companies may also make additional
contributions to the plan at the discretion of the Board of Directors. The
Predecessor Companies have not made any discretionary contributions to the
profit sharing plan. From January 1 to December 15, 1993, the Predecessor
Companies contributed $89,000 to the plan, $5,000 from December 16 to December
31, 1993, $101,000 in 1994 and $23,000 from January 1 to April 5, 1995.
 
  Australia--BIS Shrapnel maintains a Superannuation fund (a defined
contribution plan) for its employees to which it contributes 5% of annual
salary. Long service leave is provided for when employees become eligible to
receive it (5 years).
 
8. LEASE COMMITMENTS
 
  The Predecessor Companies lease certain office space and equipment under
operating lease agreements. Future minimum rental commitments under all leases
with noncancelable terms of one year or more are as follows (in thousands):
<TABLE>
<CAPTION>
                                                                       OPERATING
                                                                        LEASES
   YEAR                                                                ---------
   <S>                                                                 <C>
   1995...............................................................  $1,323
   1996...............................................................   1,188
   1997...............................................................   1,089
   1998...............................................................     655
   1999...............................................................     451
   Thereafter.........................................................   3,271
                                                                        ------
        Total lease commitments.......................................  $7,977
                                                                        ======
</TABLE>
 
 
                                     F-31
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
  Rent expense was $1,195,000, $62,000, $1,169,000 and $296,000 for the
periods January 1 to December 16, 1993 and December 16 to December 31, 1993,
the year ended December 31, 1994 and the period January 1 to April 6, 1995,
respectively.
 
9. JOINT VENTURE AGREEMENT
 
  On October 18, 1991, the Predecessor Companies entered into a joint venture
agreement with a Japanese company. The purpose of the joint venture was to
provide additional market penetration in Japan for its products and services.
Under the terms of the joint venture agreement, the Predecessor Companies may
be required to pay its Japanese partner approximately $75,000 if cumulative
sales under the joint venture do not meet certain agreed upon levels by
December 31, 1995. In addition, on or prior to April 1, 1996, the Predecessor
Companies may be required to increase its investment in the joint venture by
approximately $23,000.
 
  As of December 31, 1994, the Predecessor Companies had accounts receivable
from the joint venture in Japan totalling approximately $100,000.
 
10. RELATED--PARTY TRANSACTIONS
 
  During 1994, management fees aggregating $236,000 were paid to FHLP. As of
December 31, 1994, $50,000 in unpaid management fees due to FHLP are included
in accounts payable.
 
  In 1994, the Predecessor Companies acquired computer equipment from FHLP
(and one of its wholly-owned subsidiaries) for an aggregate purchase price of
$100,000. As of December 31, 1994, the entire $100,000 was included in
accounts payable.
 
  During 1994, a note in the amount of $458,000 from FHLP was repaid with
interest of approximately $21,000.
 
  For the period January 1 to December 15, 1993 the Predecessor Companies paid
to NYNEX a management fee of approximately $131,000. It was NYNEX's policy to
charge a management fee on the basis of annual sales regardless of the amount
of corporate services utilized by the Predecessor Companies.
 
11. GEOGRAPHIC MARKETS
 
  The Predecessor Companies operate in one business segment and in the
geographical markets indicated in the table below. Revenues from continuing
operations are reflected in the market from which the sales are made. The
Other International market includes France, Italy and Germany.
 
PREDECESSOR COMPANIES (NYNEX)
 
  JANUARY 1 TO DECEMBER 15, 1993
 
<TABLE>
<CAPTION>
                                NORTH             UNITED       OTHER
                               AMERICA  AUSTRALIA KINGDOM  INTERNATIONAL  TOTAL
                               -------  --------- -------  -------------  -----
<S>                            <C>      <C>       <C>      <C>           <C>
  Revenues:
    Total revenues............ $4,209    $4,245   $1,275      $2,249     $11,978
    Transfers between areas...   (118)       (8)     (48)       (433)       (607)
                               ------    ------   ------      ------     -------
    Unaffiliated revenues.....  4,091     4,237    1,227       1,816      11,371
                               ======    ======   ======      ======     =======
  Income (loss) from opera-
   tions...................... (1,625)      116   (1,390)       (353)     (3,252)
  Total assets................  6,318     1,628    2,585       2,015      12,546
</TABLE>
 
                                     F-32
<PAGE>
 
                            BIS STRATEGIC DECISIONS
 
              NOTES TO COMBINED FINANCIAL STATEMENTS--(CONTINUED)
 
 
PREDECESSOR COMPANIES (FHLP)
 
  DECEMBER 16, 1993 TO DECEMBER 31, 1993
 
<TABLE>
<CAPTION>
                                 NORTH             UNITED       OTHER
                                AMERICA  AUSTRALIA KINGDOM  INTERNATIONAL  TOTAL
                                -------  --------- -------  -------------  -----
<S>                             <C>      <C>       <C>      <C>           <C>
  Revenues:
    Total revenues............. $   36    $  187   $   37      $   90     $   350
    Transfers between areas....     (6)      --       --          (15)        (21)
                                ------    ------   ------      ------     -------
    Unaffiliated revenues......     30       187       37          75         329
                                ======    ======   ======      ======     =======
  Income from operations.......   (345)      (12)     (71)        (37)       (465)
  Total assets.................  8,977     1,500    1,077       1,425      12,979
 
  JANUARY 1, 1994 TO DECEMBER 31, 1994
 
  Revenues:
    Total revenues............. $4,722    $4,534   $1,831      $1,969     $13,056
    Transfers between areas....    (61)      --      (101)       (194)      (356)
                                ------    ------   ------      ------     -------
    Unaffiliated revenues......  4,661     4,534    1,730       1,775      12,700
                                ======    ======   ======      ======     =======
  Income from operations....... (3,577)     (406)  (1,569)       (685)     (6,237)
  Total assets.................  4,377     1,007    1,877       1,340       8,601
 
  JANUARY 1, 1995 TO APRIL 5, 1995
 
  Revenues:
    Total revenues............. $1,113    $1,121     $499        $586      $3,319
    Transfers between areas....    --        --       (19)        (63)       (82)
                                ------    ------   ------      ------     -------
    Unaffiliated revenues......  1,113     1,121      480         523       3,237
                                ======    ======   ======      ======     =======
  Income from operations.......   (537)       51      (22)       (176)       (684)
  Total assets.................  5,684     1,340    1,747       1,660      10,431
</TABLE>
 
12. DISCONTINUED OPERATIONS
 
  On June 25, 1996, Giga decided to discontinue the BIS Market Research
Business. The results of these operations have been classified as discontinued
operations and the financial statements have been restated to reflect the
discontinuance. The net liabilities of the BIS business have been segregated in
the consolidated balance sheet and as of December 31, 1994, consisted primarily
of deferred revenue ($7,002,000), accounts receivable ($3,763,000) and goodwill
($2,222,000). The operating results of the business are summarized as follows:
 
<TABLE>
<CAPTION>
                         JANUARY 1 TO DECEMBER 16 TO  YEAR ENDED  JANUARY 1 TO
                         DECEMBER 15,  DECEMBER 31,  DECEMBER 31,   APRIL 5,
                             1993          1993          1994         1995
                         ------------ -------------- ------------ ------------
<S>                      <C>          <C>            <C>          <C>
Revenues................   $14,204         $635        $15,608       $3,994
Pre-tax income (loss)...     2,037           44           (343)         876
Provision for income
 taxes..................       993          --           1,126          279
Net income (loss).......     1,044           44         (1,469)         597
</TABLE>
 
                                      F-33
<PAGE>
 
                                   
                                [GIGA LOGO]     
<PAGE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
NO DEALER, SALESMAN OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFOR-
MATION OR TO MAKE ANY REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS, AND, IF
GIVEN OR MADE, SUCH INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS
HAVING BEEN AUTHORIZED BY THE COMPANY OR ANY OF THE UNDERWRITERS. THIS PRO-
SPECTUS DOES NOT CONSTITUTE AN OFFER OF ANY SECURITIES OTHER THAN THOSE TO
WHICH IT RELATES OR AN OFFER TO SELL, OR SOLICITATION OF AN OFFER TO BUY, TO
ANY PERSON IN ANY JURISDICTION WHERE SUCH OFFER OR SOLICITATION WOULD BE UN-
LAWFUL. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY SALE MADE HEREUNDER
SHALL, UNDER ANY CIRCUMSTANCES, CREATE ANY IMPLICATION THAT THE INFORMATION
CONTAINED HEREIN IS CORRECT AS OF ANY DATE SUBSEQUENT TO THE DATE HEREOF.
 
                           ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                                          PAGE
                                                                          ----
<S>                                                                       <C>
Prospectus Summary.......................................................   3
Risk Factors.............................................................   5
Use of Proceeds..........................................................  12
Dividend Policy..........................................................  12
Capitalization...........................................................  13
Dilution.................................................................  14
Selected Financial Data..................................................  15
Management's Discussion and Analysis of Financial Condition and Results
 of Operations...........................................................  18
Business.................................................................  22
Management...............................................................  33
Certain Transactions.....................................................  41
Principal Stockholders...................................................  44
Description of Capital Stock.............................................  46
Shares Eligible for Future Sale..........................................  49
Underwriting.............................................................  51
Legal Matters............................................................  52
Experts..................................................................  52
Additional Information...................................................  53
Index to Consolidated Financial Statements............................... F-1
</TABLE>
 
                              ------------------
 
  UNTIL    , 1996 (25 DAYS AFTER THE DATE OF THIS PROSPECTUS), ALL DEALERS EF-
FECTING TRANSACTIONS IN THE REGISTERED SECURITIES WHETHER OR NOT PARTICIPATING
IN THIS DISTRIBUTION, MAY BE REQUIRED TO DELIVER A PROSPECTUS. THIS IS IN AD-
DITION TO THE OBLIGATION OF DEALERS TO DELIVER A PROSPECTUS WHEN ACTING AS UN-
DERWRITERS AND WITH RESPECT TO THEIR UNSOLD ALLOTMENTS OR SUBSCRIPTIONS.
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                               4,000,000 SHARES
 
                                     LOGO
 
                                 COMMON STOCK
 
                              ------------------
 
                                  PROSPECTUS
                                       , 1996
 
                              ------------------
 
                                LEHMAN BROTHERS
 
                            OPPENHEIMER & CO., INC.
 
                             SALOMON BROTHERS INC
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------

<PAGE>
 
                                    PART II
 
                    INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 13. OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION
 
  The following table sets forth the various expenses in connection with the
sale and distribution of the securities being registered, other than the
underwriting discounts and commissions. All amounts shown are estimates except
for the Securities and Exchange Commission registration fee and the NASD
filing fee.
 
<TABLE>       
      <S>                                                            <C>
      SEC Registration Fee.......................................... $   17,449
      NASD Filing Fee...............................................      5,560
      Nasdaq Listing Fee............................................     50,000
      Blue Sky Fees and Expenses....................................     25,000
      Transfer Agent and Registrar Fees.............................     48,000
      Accounting Fees and Expenses..................................    125,000
      Legal Fees and Expenses.......................................    350,000
      Printing, Engraving and Mailing Expenses......................    125,000
      Premium for directors and officers insurance..................    200,000
      Miscellaneous.................................................     53,991
                                                                     ----------
          Total..................................................... $1,000,000
                                                                     ==========
</TABLE>    
 
ITEM 14. INDEMNIFICATION OF DIRECTORS AND OFFICERS
 
  Article Eight of the Registrant's Restated Certificate of Incorporation (the
"Restated Certificate of Incorporation") provides that no director of the
Registrant shall be personally liable for any monetary damages for any breach
of fiduciary duty as a director, except to the extent that the Delaware
General Corporation Law prohibits the elimination or limitation of liability
of directors for breach of fiduciary duty.
 
  Article Eight of the Registrant's Restated Certificate of Incorporation
provides that a director or officer of the Registrant (a) shall be indemnified
by the Registrant against all expenses (including attorneys' fees), judgments,
fines and amounts paid in settlement incurred in connection with any
litigation or other legal proceeding (other than an action by or in the right
of the Registrant) brought against him by virtue of his position as a director
or officer of the Registrant if he acted in good faith and in a manner he
reasonably believed to be in, or not opposed to, the best interests of the
Registrant, and, with respect to any criminal action or proceeding, had no
reasonable cause to believe his conduct was unlawful and (b) shall be
indemnified by the Registrant against all expenses (including attorneys' fees)
and amounts paid in settlement incurred in connection with any action by or in
the right of the Registrant brought against him by virtue of his position as a
director or officer of the Registrant if he acted in good faith and in a
manner he reasonably believed to be in, or not opposed to, the best interests
of the Registrant, except that no indemnification shall be made with respect
to any matter as to which such person shall have been adjudged to be liable to
the Registrant, unless a court determines that, despite such adjudication but
in view of all of the circumstances, he is entitled to indemnification of such
expenses. Notwithstanding the foregoing, to the extent that a director or
officer has been successful, on the merits or otherwise, including, without
limitation, the dismissal of an action without prejudice, he is required to be
indemnified by the Registrant against all expenses (including attorneys' fees)
incurred in connection therewith. Expenses shall be advanced to a director or
officer at his request, provided that he undertakes to repay the amount
advanced if it is ultimately determined that he is not entitled to
indemnification for such expenses.
 
  Indemnification is required to be made unless the Registrant determines that
the applicable standard of conduct required for indemnification has not been
met. In the event of a determination by the Registrant that the director or
officer did not meet the applicable standard of conduct required for
indemnification, or if the Registrant fails to make an indemnification payment
within 60 days after such payment is claimed by such person, such person is
permitted to petition the court to make an independent determination as to
whether such person is entitled to indemnification. As a condition precedent
to the right of indemnification, the director or
 
                                     II-1
<PAGE>
 
officer must give the Registrant notice of the action for which indemnity is
sought and the Registrant has the right to participate in such action or assume
the defense thereof.
 
  Section 145 of the Delaware General Corporation Law provides that a
corporation has the power to indemnify a director, officer, employee or agent
of the corporation and certain other persons serving at the request of the
corporation in related capacities against amounts paid and expenses incurred in
connection with an action or proceeding to which he is or is threatened to be
made a party by reason of such position, if such person shall have acted in
good faith and in a manner he reasonably believed to be in or not opposed to
the best interests of the corporation, and, in any criminal proceeding, if such
person had no reasonable cause to believe his conduct was unlawful; provided
that, in the case of actions brought by or in the right of the corporation, no
indemnification shall be made with respect to any matter as to which such
person shall have been adjudged to be liable to the corporation unless and only
to the extent that the adjudicating court determines that such indemnification
is proper under the circumstances.
 
  The Board of Directors on April 26, 1996 approved, in accordance with Section
145 of Delaware General Corporation Law, a Directors and Officers
Indemnification Agreement to be entered into between the Registrant and each of
Registrant's directors and officers. Pursuant to the terms of the agreement,
the Registrant agrees to hold any director or officer harmless against any and
all expenses, judgments, fines and amounts paid in settlement actually and
reasonably incurred by such director or officer in connection with any
threatened, pending or completed action, suit or proceeding, whether civil,
criminal, administrative or investigative (including an action by or in the
right of the Registrant), to which the director or officer becomes a party at
any time or is threatened to be made a party, by reason of the fact that the
director or officer is a director, officer, employee or agent of the
Registrant, or serves at the request of the Registrant as a director, officer,
employee or agent of another corporation, partnership, joint venture, trust,
employee benefit plan or other enterprise; and otherwise to the fullest extent
as may be provided to the director or officer by the Registrant under the non-
exclusivity provisions of Article V of the Bylaws of the Registrant and the
Delaware General Corporation Law. The agreement also obligates the Registrant
under certain circumstances to advance amounts and contribute to any amounts
paid out by a director or officer as a result of his or her role as a director
or officer of the Registrant in cases where indemnification by the Registrant
is not available. This agreement is also intended to indemnify special advisors
of the Registrant.
 
  Under Section Eight of the Underwriting Agreement, the Underwriters are
obligated, under certain circumstances, to indemnify directors and officers of
the Registrant against certain liabilities, including liabilities under the
Securities Act. Reference is made to the form of Underwriting Agreement filed
as Exhibit 1 hereto.
 
ITEM 15. RECENT SALES OF UNREGISTERED SECURITIES
 
  Set forth in chronological order below is information regarding the number of
shares of capital stock and other securities issued by the Registrant since the
Registrant's inception in March 1995. Further included is the consideration, if
any, received by the Registrant for such shares of capital stock and other
securities and information relating to the section of the Securities Act, or
rule of the Commission under which exemption from registration was claimed. All
awards of options did not involve any sale under the Securities Act and none of
these securities was registered under the Securities Act.
 
    1. Since March 1995, the Registrant has issued options to purchase an
  aggregate of 3,627,473 shares of Common Stock at a weighted average
  exercise price of $0.61 per share. During this same time period, the
  Registrant has issued a total of 3,933 shares of Common Stock pursuant to
  the exercise of options previously granted.
 
    2. In March 1995, the Registrant sold to its Chairman of the Board of
  Directors and Chief Executive Officer 4,200,000 shares of Common Stock at a
  purchase price of $0.02375 per share.
 
 
    3. In April 1995, the Registrant issued to Friday Holdings, L.P. a 5%
  $1.0 million principal amount Convertible Promissory Note in connection
  with the Registrant's acquisition of BIS Strategic Decisions, Inc. and its
  five foreign affiliates.
 
                                      II-2
<PAGE>
 
    4. In July 1995 and October 1995, the Registrant issued and sold an
  aggregate of 410,000 shares of Series A Convertible Preferred Stock, $.001
  par value ("Series A Preferred Stock") (1,640,000 shares on an as-converted
  basis) to a group of investors, including certain employees and directors,
  at a purchase price of $5.00 per share ($1.25 per share on as-converted
  basis).
 
    5. In July 1995, the Registrant issued 160,000 shares of Series A
  Preferred Stock (640,000 on an as- converted basis) to its Chairman of the
  Board of Directors and Chief Executive Officer and to its Senior Vice
  President, Research & Technology in connection with the Registrant's
  acquisition of a majority of the shares of ExperNet Corporation
  ("ExperNet") and in December 1995, the Registrant issued to its Senior Vice
  President, Research & Technology, in connection with the Registrant's
  acquisition of the remaining shares of ExperNet, a 6% $400,000 Convertible
  Promissory Note.
 
    6. In October 1995, the Registrant issued 2,080,000 shares of Common
  Stock to a group of employees, consultants and directors at a purchase
  price of $0.50 per share.
 
    7. In November 1995 and February 1996, the Registrant issued and sold an
  aggregate of 5,272,215 shares of Series B Convertible Preferred Stock,
  $.001 par value ("Series B Preferred Stock") to a group of investors at a
  purchase price of $3.50 per share.
 
    8. In August 1995, the Registrant issued a warrant to purchase 285,714
  shares of Series B Preferred Stock to an investor at an exercise price of
  $2.345 per share.
 
    9. In February 1996, the Registrant issued a warrant to purchase 107,876
  shares of Series B Preferred Stock to Montgomery Securities in
  consideration for certain placement agent services at an exercise price of
  $4.5625 per share.
 
    10. In August 1996, the Registrant issued 25,000 shares of Common Stock
  to an employee in connection with the acquisition of his business.
 
  Other than Montgomery Securities which served as placement agent in
connection with the November 1995 and February 1996 sales by the Registrant of
shares of its Series B Preferred Stock, no underwriters were engaged in
connection with any of the foregoing sales of securities. Montgomery
Securities was paid a placement agent fee of $695,105 and received a warrant
to purchase 107,876 shares of Series B Preferred Stock, exercisable at a price
of $4.5625 per share, in connection with its services as placement agent for
the sale of shares of the Registrant's Series B Preferred Stock.
 
  The shares of capital stock and other securities issued in the above
transactions were offered and sold in reliance upon the exemption from
registration under Section 4(2) of the Securities Act or Regulation D or Rule
701 promulgated under the Securities Act, relative to sales by an issuer not
involving any public offering.
 
ITEM 16. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES
 
 (A) EXHIBITS
 
<TABLE>   
<CAPTION>
 EXHIBIT
   NO.                                 DESCRIPTION
 -------                               -----------
 <C>     <S>
   1**   Form of Underwriting Agreement.
   3.1*  Amended and Restated Certificate of Incorporation of the Registrant,
         as amended to date.
   3.2*  Form of Restated Certificate of Incorporation of the Registrant (to be
         filed with the State of Delaware upon the closing of the Offering to
         which this Registration Statement relates).
   3.3*  By-Laws of the Registrant.
   3.4*  Form of Restated Bylaws of the Registrant (to become effective upon
         the closing of the Offering to which this Registration Statement
         relates).
   4.1*  Specimen Certificate for shares of Common Stock, $.001 par value, of
         the Registrant.
   5**   Opinion of Hale and Dorr with respect to the validity of the
         securities being offered.
</TABLE>    
 
                                     II-3

<PAGE>
 
<TABLE>   
<CAPTION>
 EXHIBIT
   NO.                                 DESCRIPTION
 -------                               -----------
 <C>     <S>
 10.1*   Stock Purchase Agreement dated July 6, 1995, as amended, between the
         Registrant and David L. Gilmour.
 10.2*   Series A Preferred Stock Purchase Agreement dated July 6, 1996 between
         the Registrant and the investors named on Schedule I thereto.
 10.3*   Series B Preferred Stock Purchase Agreement dated November 13, 1995,
         as amended, between the Registrant and the investors named on Exhibit
         A thereto.
 10.4*   Convertible Note and Warrant Purchase Agreement dated August 1995
         between the Registrant and RRE Giga Investors, L.P.
 10.5*   Series B Preferred Stock Purchase Warrant dated August 1995 registered
         in the name of RRE Giga, L.P.
 10.6*   Registration Rights Agreement dated November 13, 1995 among the
         Registrant, the investors named on Exhibit A thereto, Gideon I.
         Gartner and David L. Gilmour.
 10.7*   Co-Sale and Stock Restriction Agreement dated November 13, 1995 among
         the Registrant, Gideon I. Gartner and the stockholders named on the
         signature pages thereto.
 10.8**  Series B Preferred Stock Purchase Warrant dated February 28, 1996
         registered in the name of Montgomery Securities.
 10.9*   Registrant's 5% $1.0 Million Convertible Promissory Note dated April
         5, 1995 naming Friday Holdings, L.P. as payee.
 10.10*  Registrant's 6% $400,000 Convertible Promissory Note dated December
         31, 1995 naming David L. Gilmour as payee.
 10.11*  Employment Agreement dated February 1, 1996 between the Registrant and
         Leander R. Jennings, Jr.
 10.12*  Employment Agreement dated December 1, 1995 between the Registrant and
         Kenneth E. Marshall.
 10.13*  Employment Agreement dated July 6, 1995 between the Registrant and
         David L. Gilmour.
 10.14*  Non-competition Agreement dated November 13, 1995 between the
         Registrant and Gideon I. Gartner.
 10.15*  Consulting Agreement dated January 1, 1996 between the Registrant and
         Neill H. Brownstein Corporation.
 10.16*  Promissory Note dated December 1, 1995 naming the Registrant as payee
         issued by Kenneth E. Marshall.
 10.17*  Letter Agreement dated July 12, 1996 between the Registrant and
         Richard L. Crandall.
 10.18*  Lease dated October 31, 1995 between the Registrant and Cambridge 1400
         Limited Partnership.
 10.19*  Lease dated October 6, 1987, as amended, between BIS Strategic
         Decisions, Inc. and Charles A. Pesko, Jr., as Trustee of Longwater
         Circle Trust.
 10.20+* Content Distribution Agreement dated May 21, 1996 between the
         Registrant and Dow Jones and Company, Inc.
 10.21+* Agreement dated August 1, 1996 between the Registrant and Peripheral
         Insight, Inc.
 10.22+* Agreement dated August 15, 1996 between the Registrant and Decision
         Analytics, Inc.
 11*     Calculation of shares used in determining pro forma net loss per
         common share.
 21*     Subsidiaries of the Registrant.
 23.1**  Consent of Hale and Dorr (included in Exhibit 5).
 23.2    Consent of Coopers & Lybrand L.L.P.
 23.3    Consent of Ernst & Young LLP.
 23.4    Consent of Coopers & Lybrand.
 24*     Powers of Attorney (included on page II-6).
 27*     Financial Data Schedule.
</TABLE>    
- --------
   
 *Previously filed.     
   
**To be filed by amendment.     
   
 + Confidential treatment requested as to certain portions, which portions are
   omitted and filed separately with the Commission.     
 
                                      II-4
<PAGE>
 
 (B) FINANCIAL STATEMENT SCHEDULES
 
  All other schedules have been omitted because they are not required or
because the required information is given in the Consolidated Financial
Statements or Notes thereto.
 
ITEM 17. UNDERTAKINGS
 
  Insofar as indemnification for liabilities arising under the Securities Act
may be permitted to directors, officers and controlling persons of the
Registrant pursuant to the provisions contained in the Restated Certificate of
Incorporation and Amended and Restated By-Laws of the Registrant and the laws
of the State of Delaware, or otherwise, the Registrant has been advised that
in the opinion of the Commission such indemnification is against public policy
as expressed in the Securities Act and is, therefore, unenforceable. In the
event that a claim for indemnification against such liabilities (other than
the payment by the Registrant of expenses incurred or paid by a director,
officer or controlling person of the Registrant in the successful defense of
any action, suit or proceeding) is asserted by such director, officer or
controlling person in connection with the securities being registered, the
Registrant will, unless in the opinion of its counsel the matter has been
settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Securities Act and will be governed by the final
adjudication of such issue.
 
  The undersigned Registrant hereby undertakes to provide to the Underwriters
at the closing specified in the Underwriting Agreement certificates in such
denominations and registered in such names as required by the Underwriters to
permit prompt delivery to each purchaser.
 
  The undersigned Registrant hereby undertakes that:
 
    (1) For purposes of determining any liability under the Securities Act,
  the information omitted from the form of prospectus filed as part of this
  Registration Statement in reliance upon Rule 430A and contained in a form
  of prospectus filed by the Registrant pursuant to Rule 424(b)(1) or (4) or
  497(h) under the Securities Act shall be deemed to be part of this
  Registration Statement as of the time it was declared effective.
 
    (2) For the purpose of determining any liability under the Securities
  Act, each post-effective amendment that contains a form of prospectus shall
  be deemed to be a new registration statement relating to the securities
  offered therein, and the Offering of such securities at that time shall be
  deemed to be the initial bona fide offering thereof.
 
                                     II-5
<PAGE>
 
                                  SIGNATURES
   
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED, THE
REGISTRANT HAS DULY CAUSED THIS AMENDMENT NO. 1 TO REGISTRATION STATEMENT TO
BE SIGNED ON ITS BEHALF BY THE UNDERSIGNED, THEREUNTO DULY AUTHORIZED, IN THE
CITY OF CAMBRIDGE, COMMONWEALTH OF MASSACHUSETTS, ON THIS 24TH DAY OF
SEPTEMBER, 1996.     
 
                                          Giga Information Group, Inc.
                                                  
                                               /s/ Kenneth E. Marshall 
                                          By: _________________________________
                                                   KENNETH E. MARSHALL 
                                                      PRESIDENT AND
                                                CHIEF OPERATING OFFICER     
            
  PURSUANT TO THE REQUIREMENTS OF THE SECURITIES ACT OF 1933, AS AMENDED, THIS
AMENDMENT NO. 1 TO REGISTRATION STATEMENT HAS BEEN SIGNED BELOW BY THE
FOLLOWING PERSONS IN THE CAPACITIES AND ON THE DATES INDICATED.     
 
              SIGNATURE                        TITLE                 DATE
 
                                       Chairman of the          
       Gideon I. Gartner*               Board of Directors      September 24,
- -------------------------------------   and Chief Executive       1996     
          GIDEON I. GARTNER             Officer (Principal
                                        Executive Officer)
 
       /s/ Kenneth E. Marshall         President and Chief         
- -------------------------------------   Operating Officer;      September 24,
         KENNETH E. MARSHALL            Director                  1996     
                                      
      Richard B. Goldman*              Senior Vice              September 24,
- -------------------------------------   President and Chief       1996     
         RICHARD B. GOLDMAN             Financial Officer;
                                        Treasurer;
                                        Secretary
                                        (Principal
                                        Financial and
                                        Accounting Officer)
                                               
       David L. Gilmour*               Senior Vice              September 24,
- -------------------------------------   President, Research       1996     
        DAVID L. GILMOUR                & Technology;
                                        Director 
           
       Neill H. Brownstein*             Director                September 24,
- -------------------------------------                             1996     
      NEILL H. BROWNSTEIN
                                                             
      Richard L. Crandall*             Director                 September 24,
- -------------------------------------                             1996     
      RICHARD L. CRANDALL 
 
 
                                     II-6
<PAGE>
 
              SIGNATURE                         TITLE                DATE

                                        Director                
         Irwin Lieber*                                          September 24,
- -------------------------------------                             1996     
            IRWIN LIEBER
 
                                        Director                
     James D. Robinson III*                                     September 24,
- -------------------------------------                             1996     
        JAMES D. ROBINSON III
        
      /s/ Kenneth E. Marshall 
*By: ___________________________ 
        ATTORNEY-IN-FACT     
 
                                      II-7
<PAGE>
 
                                 EXHIBIT INDEX
 
<TABLE>   
<CAPTION>
 EXHIBIT                                                                   PAGE
   NO.                             DESCRIPTION                             NO.
 -------                           -----------                             ----
 <C>     <S>                                                               <C>
  1**    Form of Underwriting Agreement.
  3.1*   Amended and Restated Certificate of Incorporation of the
         Registrant, as amended to date.
  3.2*   Form of Restated Certificate of Incorporation of the Registrant
         (to be filed with the State of Delaware upon the closing of the
         Offering to which this Registration Statement relates).
  3.3*   By-Laws of the Registrant.
  3.4*   Form of Restated Bylaws of the Registrant (to become effective
         upon the closing of the Offering to which this Registration
         Statement relates).
  4.1*   Specimen Certificate for shares of Common Stock, $.001 par
         value, of the Registrant.
  5**    Opinion of Hale and Dorr with respect to the validity of the
         securities being offered.
 10.1*   Stock Purchase Agreement dated July 6, 1995, as amended,
         between the Registrant and David L. Gilmour.
 10.2*   Series A Preferred Stock Purchase Agreement dated July 6, 1996
         between the Registrant and the investors named on Schedule I
         thereto.
 10.3*   Series B Preferred Stock Purchase Agreement dated November 13,
         1995, as amended, between the Registrant and the investors
         named on Exhibit A thereto.
 10.4*   Convertible Note and Warrant Purchase Agreement dated August
         1995 between the Registrant and RRE Giga Investors, L.P.
 10.5*   Series B Preferred Stock Purchase Warrant dated August 1995
         registered in the name of RRE Giga, L.P.
 10.6*   Registration Rights Agreement dated November 13, 1995 among the
         Registrant, the investors named on Exhibit A thereto, Gideon I.
         Gartner and David L. Gilmour.
 10.7*   Co-Sale and Stock Restriction Agreement dated November 13, 1995
         among the Registrant, Gideon I. Gartner and the stockholders
         named on the signature pages thereto.
 10.8**  Series B Preferred Stock Purchase Warrant dated February 28,
         1996 registered in the name of Montgomery Securities.
 10.9*   Registrant's 5% $1.0 Million Convertible Promissory Note dated
         April 5, 1995 naming Friday Holdings, L.P. as payee.
 10.10*  Registrant's 6% $400,000 Convertible Promissory Note dated
         December 31, 1995 naming David L. Gilmour as payee.
 10.11*  Employment Agreement dated February 1, 1996 between the
         Registrant and Leander R. Jennings, Jr.
 10.12*  Employment Agreement dated December 1, 1995 between the
         Registrant and Kenneth E. Marshall.
 10.13*  Employment Agreement dated July 6, 1995 between the Registrant
         and David L. Gilmour.
 10.14*  Non-competition Agreement dated November 13, 1995 between the
         Registrant and Gideon I. Gartner.
 10.15*  Consulting Agreement dated January 1, 1996 between the
         Registrant and Neill H. Brownstein Corporation.
</TABLE>    
 
<PAGE>
 
<TABLE>   
<CAPTION>
 EXHIBIT                                                                   PAGE
   NO.                             DESCRIPTION                             NO.
 -------                           -----------                             ----
 <C>     <S>                                                               <C>
 10.16*  Promissory Note dated December 1, 1995 naming the Registrant as
         payee issued by Kenneth E. Marshall.
 10.17*  Letter Agreement dated July 12, 1996 between the Registrant and
         Richard L. Crandall.
 10.18*  Lease dated October 31, 1995 between the Registrant and
         Cambridge 1400 Limited Partnership.
 10.19*  Lease dated October 6, 1987, as amended, between BIS Strategic
         Decisions, Inc. and Charles A. Pesko, Jr., as Trustee of
         Longwater Circle Trust.
 10.20+* Content Distribution Agreement dated May 21, 1996 between the
         Registrant and Dow Jones and Company, Inc.
 10.21+* Agreement dated August 1, 1996 between the Registrant and
         Peripheral Insight, Inc.
 10.22+* Agreement dated August 15, 1996 between the Registrant and
         Decision Analytics, Inc.
 11*     Calculation of shares used in determining pro forma net loss
         per common share.
 21*     Subsidiaries of the Registrant.
 23.1**  Consent of Hale and Dorr (included in Exhibit 5).
 23.2    Consent of Coopers & Lybrand L.L.P.
 23.3    Consent of Ernst & Young LLP.
 23.4    Consent of Coopers & Lybrand.
 24*     Powers of Attorney (included on page II-6).
 27*     Financial Data Schedule.
</TABLE>    
- --------
   
 *Previously filed.     
   
**To be filed by amendment.     
   
 + Confidential treatment requested as to certain portions, which portions are
   omitted and filed separately with the Commission.     

<PAGE>
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS
   
  We consent to the inclusion in this Amendment No. 1 to the Registration
Statement of Giga Information Group, Inc. on Form S-1 (File No. 333-11711) to
register 4,000,000 shares of Common Stock of our report dated August 31, 1996
on our audits of the consolidated financial statements of Giga Information
Group, Inc. as of December 31, 1995 and June 30, 1996 and the periods March
17, 1995 to December 31, 1995 and January 30, 1996 to June 30, 1996. We also
consent to the references to our firm under the captions "Selected Financial
Data" and "Experts."     
   
  We also consent to the inclusion in this Amendment No. 1 to the Registration
Statement of our report dated August 31, 1996 on our audit of the combined
statements of operations, stockholder's equity and cash flows of BIS Strategic
Decisions for the period January 1, 1995 to April 5, 1995.     
 
                                                    Coopers & Lybrand L.L.P
 
Boston, Massachusetts
   
September 25, 1996     

<PAGE>
 
                        CONSENT OF INDEPENDENT AUDITORS
   
  We consent to the reference to our firm under the captions "Experts" and
"Selected Financial Data" and the use of our report dated March 13, 1995,
except with respect to the matters described in Note 12, as to which the date
is September 6, 1996, with respect to the financial statements of BIS
Strategic Decisions as of December 31, 1994 and for the year ended December
31, 1994, the period from December 16, 1993 to December 31, 1993 and the
period from January 1, 1993 to December 15, 1993, in the Amendment No. 1 to
the Registration Statement on (Form S-1 No. 333-11711) and Related Prospectus
of Giga Information Group, Inc.     
 
                                                    Ernst & Young L.L.P.
 
Boston, Massachusetts
   
September 24, 1996     

<PAGE>
 
                                                                   EXHIBIT 23.4
 
                      CONSENT OF INDEPENDENT ACCOUNTANTS
   
We consent to the inclusion in this Amendment No. 1 to the Registration
Statement (File No. 333-11711) of Giga Information Group, Inc. on Form S-1 to
register 4,000,000 shares of Common Stock of our report dated 27 July 1994, on
our audits of the financial reporting packages of BIS Shrapnel Pty Limited as
of 15 December 1993 and 31 December 1993 and the periods 1 January 1993 to 15
December 1993 and 16 December 1993 to 31 December 1993. We also consent to the
reference to our firm under the caption "Experts".     
 
                                                                 Coopers &
                                                                 Lybrand
 
Sydney, Australia
   
24 September 1996     


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