HALF ROBERT INTERNATIONAL INC /DE/
S-3, 1994-09-27
EMPLOYMENT AGENCIES
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<PAGE>
   AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON SEPTEMBER 27, 1994
                                             REGISTRATION STATEMENT NO. 33-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                       SECURITIES AND EXCHANGE COMMISSION
                                ----------------
                                    FORM S-3
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
                         ROBERT HALF INTERNATIONAL INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                                       <C>
                DELAWARE                                94-1648752
    (State or other jurisdiction of                  (I.R.S. Employer
     incorporation or organization)                Identification No.)
</TABLE>

  2884 SAND HILL ROAD, SUITE 200, MENLO PARK, CALIFORNIA 94025 (415) 854-9700

         (Address, including zip code, and telephone number, including
            area code, of registrant's principal executive offices)

                                  STEVEN KAREL
                 VICE PRESIDENT, SECRETARY AND GENERAL COUNSEL
                         ROBERT HALF INTERNATIONAL INC.
                         2884 SAND HILL ROAD, SUITE 200
                          MENLO PARK, CALIFORNIA 94025
                                 (415) 854-9700

               (Name, address, including zip code, and telephone
               number, including area code, of agent for service)
                            ------------------------
                                WITH COPIES TO:

<TABLE>
<S>                                   <C>   <C>
          LARRY W. SONSINI            and             PAUL C. PRINGLE
 WILSON, SONSINI, GOODRICH & ROSATI                     BROWN & WOOD
         650 Page Mill Road                        555 California Street
      Palo Alto, CA 94304-1050                    San Francisco, CA 94104
           (415) 493-9300                              (415) 772-1200
</TABLE>

                            ------------------------
  Approximate date of commencement of proposed sale to the public: AS SOON AS
                                  PRACTICABLE
            AFTER THE EFFECTIVE DATE OF THIS REGISTRATION STATEMENT.

    If  the  only securities  being registered  on this  Form are  being offered
pursuant to dividend or interest reinvestment plans, please check the  following
box.  / /

    If  the only 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,  other  than  securities  offered  only  in  connection  with  dividend or
reinvestment plans, check the following box.  / /
                            ------------------------
                        CALCULATION OF REGISTRATION FEE

<TABLE>
<CAPTION>
                                                            PROPOSED MAXIMUM    PROPOSED MAXIMUM
       TITLE OF EACH CLASS OF             AMOUNT TO BE     OFFERING PRICE PER  AGGREGATE OFFERING      AMOUNT OF
     SECURITIES TO BE REGISTERED           REGISTERED             UNIT               PRICE          REGISTRATION FEE
<S>                                    <C>                 <C>                 <C>                 <C>
Common Stock.........................      5,610,000           $18.625(a)       $104,486,250(a)        $36,030(a)
<FN>
(a) Estimated  solely  for  purposes  of determining  the  registration  fee  in
    accordance  with Rule  457, based  upon the  trading price  of the Company's
    stock on September 23, 1994.
</TABLE>

                            ------------------------

    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION 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 THE  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  SECURITIES  AND  EXCHANGE  COMMISSION, ACTING
PURSUANT TO SAID SECTION 8(A), MAY DETERMINE.

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                EXPLANATORY NOTE

    This Registration Statement contains two forms of prospectus: one to be used
in  connection  with an  offering in  the  United States  and Canada  (the "U.S.
Prospectus") and one  to be  used in a  concurrent offering  outside the  United
States and Canada (the "International Prospectus"). The two prospectuses will be
identical  in all  respects except for  the front  and back cover  pages and the
section entitled  "Underwriting."  Pages to  be  included in  the  International
Prospectus and not the U.S. Prospectus are marked "Alternate Page."
<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.
<PAGE>
                             SUBJECT TO COMPLETION
                PRELIMINARY PROSPECTUS DATED SEPTEMBER 27, 1994

PROSPECTUS
                                5,100,000 SHARES

                         ROBERT HALF INTERNATIONAL INC.

                                  COMMON STOCK
                              -------------------

    Of the 5,100,000 shares  of Common Stock being  offered, 100,000 shares  are
being  sold by Robert Half International  Inc. (the "Company") and 5,000,000 are
being sold for the account of certain stockholders of the Company (the  "Selling
Stockholders").  Of  the  5,100,000  shares  of  Common  Stock  offered  hereby,
4,080,000 shares are being offered in the  United States and Canada by the  U.S.
Underwriters  and 1,020,000  shares are being  offered in  a concurrent offering
outside of the United States and  Canada by the International Underwriters.  The
Company  will not receive  any of the proceeds  of the sale  of the shares being
sold by the Selling  Stockholders. The Company's Common  Stock is traded on  the
New  York Stock Exchange under the symbol "RHI". On             , 1994, the last
reported sale price  of the  Common Stock  on the  New York  Stock Exchange  was
$      per share.
                              -------------------

    SEE  "RISK  FACTORS" FOR  A  DISCUSSION OF  CERTAIN  MATTERS THAT  SHOULD BE
CONSIDERED BY PROSPECTIVE INVESTORS.
                              -------------------

THESE SECURITIES HAVE  NOT BEEN APPROVED  OR DISAPPROVED BY  THE SECURITIES  AND
   EXCHANGE  COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS THE
     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>
                                                                                                         PROCEEDS TO
                                               PRICE TO          UNDERWRITING        PROCEEDS TO           SELLING
                                                PUBLIC           DISCOUNT(1)          COMPANY(2)         STOCKHOLDERS
<S>                                       <C>                 <C>                 <C>                 <C>
Per share...............................          $                   $                   $                   $
Total (3)...............................          $                   $                   $                   $
<FN>
(1)  The  Company and  the  Selling Stockholders  have  agreed to  indemnify the
    several Underwriters  against  certain  liabilities,  including  liabilities
    under the Securities Act of 1933. See "Underwriting."
(2)  Before deducting of  expenses payable by                       estimated at
    $      .
(3) The  Company  has  granted  the  U.S.  Underwriters  and  the  International
    Underwriters  options exercisable  within 30 days  after the  date hereof to
    purchase up  to  408,000 and  102,000  additional shares  of  Common  Stock,
    respectively,   in  each  case   to  cover  over-allotments,   if  any.  See
    "Underwriting." If all such shares are purchased, the total Price to Public,
    Underwriting Discount and Proceeds to Company will  be $       , $       and
    $      , respectively.
</TABLE>

                              -------------------

    The shares of Common Stock are being offered by the Underwriters, subject to
prior  sale, when,  as and  delivered to and  accepted by  the Underwriters, and
subject to the approval of certain legal matters by counsel for the Underwriters
and to certain other conditions. The Underwriters reserve the right to withdraw,
cancel or modify any offer and  to reject any order in  whole or in part. It  is
expected  that delivery of the shares of Common  Stock will be made in New York,
New York on or about            , 1994.
                              -------------------

MERRILL LYNCH & CO.                                      WILLIAM BLAIR & COMPANY
                                  ------------

               The date of this Prospectus is            , 1994.
<PAGE>
    IN  CONNECTION WITH THIS OFFERING, THE UNDERWRITERS MAY OVER-ALLOT OR EFFECT
TRANSACTIONS WHICH STABILIZE OR  MAINTAIN THE MARKET PRICE  OF THE COMMON  STOCK
OFFERED  HEREBY AT A LEVEL ABOVE THAT  WHICH MIGHT OTHERWISE PREVAIL IN THE OPEN
MARKET. SUCH TRANSACTIONS  MAY BE  EFFECTED ON THE  NEW YORK  STOCK EXCHANGE  OR
OTHERWISE. SUCH STABILIZING, IF COMMENCED, MAY BE DISCONTINUED AT ANY TIME.
                           --------------------------

                             AVAILABLE INFORMATION

    The  Company is subject to the  informational requirements of the Securities
Exchange Act  of 1934  and  in accordance  therewith  files reports,  proxy  and
information  statements and other  information with the  Securities and Exchange
Commission. Such reports, proxy and information statements and other information
filed by the  Company with the  Commission can  be inspected and  copied at  the
public reference facilities maintained by the Commission at Judiciary Plaza, 450
Fifth  Street, N.W., Room  1024, Washington, D.C. 20549  and at the Commission's
regional offices at Northwestern Atrium  Center, 500 West Madison Street,  Suite
1400,  Chicago, Illinois 60661 and  at 7 World Trade  Center, New York, New York
10048. Copies of such material can be obtained at prescribed rates upon  request
from  the Public  Reference Room  of the Commission  at 450  Fifth Street, N.W.,
Washington, D.C. 20549. Copies of such reports, proxy and information statements
and other  information concerning  the  Company can  also  be inspected  at  the
offices  of the New York  Stock Exchange at 20 Broad  Street, New York, New York
10005.

                             ADDITIONAL INFORMATION

    The Company has filed with the  Commission a Registration Statement on  Form
S-3  under the  Securities Act  of 1933 with  respect to  the securities offered
hereby. This Prospectus does not contain all of the information set forth in the
Registration Statement and the exhibits and schedules thereto, certain  portions
of  which  are  omitted  as  permitted  by  the  rules  and  regulations  of the
Commission. For  further  information  with  respect  to  the  Company  and  the
securities  offered hereby, reference is made to such Registration Statement and
exhibits and  schedules.  Statements contained  in  this Prospectus  as  to  the
contents  of any contract or any other  document referred to are not necessarily
complete, and in each instance reference is made to the copy of such contract or
other document filed  as an  exhibit to  the Registration  Statement, each  such
statement  being qualified in  all respects by  such reference. The Registration
Statement, together  with  its exhibits  and  schedules, may  be  obtained  upon
payment  of a  fee prescribed  by the  Commission, or  may be  inspected free of
charge at the Commission's principal office in Washington, D.C.

                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE

    Robert Half International Inc. will  deliver without charge to each  person,
including  any beneficial owner, to whom a Prospectus is delivered, upon written
or oral request of such  person, a copy of any  and all of the information  that
has  been incorporated by  reference in this Prospectus  (other than exhibits to
such information which are not  specifically incorporated by reference into  the
information  that this Prospectus incorporates). Requests for information should
be directed to Secretary, Robert Half  International Inc., 2884 Sand Hill  Road,
Suite 200, Menlo Park, California, 94025, (415) 854-9700.

    The  following  documents  are  hereby  incorporated  by  reference  in this
Prospectus:

         1. The Company's Annual Report on  Form 10-K for the fiscal year  ended
    December 31, 1993.

         2. The Company's Quarterly Reports on Form 10-Q for the fiscal quarters
    ended March 31, 1994 and June 30, 1994.

         3.  The Company's Form 8-A relating to its Common Stock, filed with the
    Commission on January 5, 1990.

         4. The  Company's Form  8-A relating  to its  Preferred Share  Purchase
    Rights,  filed  with the  Commission on  July 30,  1990, as  amended through
    amendment No. 2, filed with the Commission on December 2, 1993.

    All documents filed by the Company pursuant to Sections 13(a), 13(c), 14  or
15(d)  of the Securities Exchange Act of  1934 subsequent to the date hereof and
prior to the  termination of the  offering (except information  included in  any
such  document in response to Items 402(i),  402(k) or 402(l) of Regulation S-K)
shall be deemed to be incorporated by reference into this Prospectus and to be a
part hereof from the date of  filing of such documents. Any statement  contained
herein  or in a document incorporated or  deemed to be incorporated by reference
herein shall  be  deemed to  be  modified or  superseded  for purposes  of  this
Prospectus  to the  extent that  a statement  contained herein  or in  any other
subsequently filed document  that also  is or is  deemed to  be incorporated  by
reference  herein modifies or  supersedes such statement.  Any such statement so
modified or superseded shall not be deemed, except as so modified or superseded,
to constitute a part of this Prospectus.
                           --------------------------

    No action has been or will be taken in any jurisdiction by the Company or by
any Underwriter that would permit the public offering of the Common Stock or the
possession or distribution of this  Prospectus in any jurisdiction where  action
for  that purpose  is required,  other than in  the United  States. Persons into
whose possession  this Prospectus  comes are  required by  the Company  and  the
Underwriters  to inform themselves  about and to observe  any restrictions as to
the offering of the Common Stock and the distribution of this Prospectus.

                                       2
<PAGE>
                               PROSPECTUS SUMMARY

    THE  FOLLOWING IS  A SUMMARY OF  CERTAIN INFORMATION  CONTAINED ELSEWHERE IN
THIS PROSPECTUS  OR IN  THE  DOCUMENTS INCORPORATED  BY REFERENCE  HEREIN.  THIS
SUMMARY  IS QUALIFIED IN  ITS ENTIRETY BY REFERENCE  TO SUCH INFORMATION. UNLESS
OTHERWISE EXPRESSLY INDICATED, ALL INFORMATION  IN THIS PROSPECTUS ASSUMES  THAT
THE   OVER-ALLOTMENT  OPTIONS   GRANTED  TO   THE  U.S.   UNDERWRITERS  AND  THE
INTERNATIONAL UNDERWRITERS ARE NOT EXERCISED. ALL REFERENCES TO "$" OR "DOLLARS"
MEAN UNITED STATES DOLLARS. ALL SHARE  AND PER SHARE AMOUNTS HAVE BEEN  RESTATED
TO  RETROACTIVELY REFLECT THE TWO-FOR-ONE STOCK SPLIT  EFFECTED IN THE FORM OF A
STOCK DIVIDEND IN AUGUST 1994.

                                  THE COMPANY

    Robert Half  International  Inc.  (the "Company")  is  the  world's  largest
specialized  provider  of temporary  and permanent  personnel  in the  fields of
accounting and finance. Its divisions include ACCOUNTEMPS-R- and ROBERT HALF-R-,
providers of temporary and permanent  personnel, respectively, in the fields  of
accounting  and  finance,  OFFICETEAM-R- for  highly-skilled  administrative and
office personnel, RHI  CONSULTING-TM- for  information technology  professionals
and  THE  AFFILIATES-R-  for  legal staffing.  The  Company  helps  clients fill
positions with qualified  temporary and  permanent personnel  at every  staffing
level  in  its specialties,  including accounting  positions from  bookkeeper to
chief financial officer, information technology positions from PC/LAN technician
to system  design  and  application  programmer,  banking  positions  from  loan
processor  to president, administrative support positions from word processor to
office manager,  and legal  positions  from litigation  support clerk  to  legal
administrator.

    The  Company is a Delaware corporation.  Its principal executive offices are
located at 2884 Sand Hill Road, Menlo Park, California, 94025 and its  telephone
number is (415) 854-9700.

                                  THE OFFERING

<TABLE>
<S>                                       <C>
Common Stock offered by:
  The Company...........................  100,000 shares
  The Selling Stockholders..............  5,000,000 shares

Common Stock to be outstanding after
 this offering..........................  27, 525, 462 shares

Use of proceeds.........................  Repayment  of a portion of outstanding
                                          indebtedness

New York Stock Exchange symbol..........  RHI
</TABLE>

                                       3
<PAGE>
                             SUMMARY FINANCIAL DATA

<TABLE>
<CAPTION>
                                                                                                       SIX MONTHS ENDED
                                                            YEARS ENDED DECEMBER 31,                       JUNE 30,
                                              -----------------------------------------------------  --------------------
                                                1989       1990       1991       1992       1993       1993       1994
                                              ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                                                                                         (UNAUDITED)
                                                     (IN THOUSANDS, EXCEPT PER SHARE INFORMATION AND PERCENTAGES)
<S>                                           <C>        <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Net service revenues........................  $ 234,504  $ 248,557  $ 209,455  $ 220,179  $ 306,166  $ 142,019  $ 206,410
Gross margin................................    114,822    117,765     91,872     88,304    117,874     55,764     79,993
Amortization of intangible assets...........      3,357      3,721      3,896      3,961      4,251      2,078      2,279
Income before income taxes and extraordinary
 item (a)...................................     23,044     14,933      8,076      7,906     21,557      9,757     20,674
Net income..................................     13,467      9,319      4,115      4,382     11,723      5,286     11,877
Net income per fully diluted share..........  $     .57  $     .41  $     .18  $     .18  $     .46  $     .21  $     .42
Weighted average number of fully diluted
 shares.....................................     27,664     22,935     23,273     24,007     25,260     24,758     28,191

RATIO DATA:
Gross margin................................       49.0%      47.4%      43.9%      40.1%      38.5%      39.3%      38.8%
Selling, general and administrative
 expenses...................................       34.6%      36.4%      35.0%      32.8%      28.8%      29.6%      27.2%
Operating margin before amortization of
 intangible assets..........................       14.4%      11.0%       8.9%       7.3%       9.7%       9.7%      11.6%
Net income margin...........................        5.7%       3.7%       2.0%       2.0%       3.8%       3.7%       5.8%
<FN>
- ------------------------------
(a)  Extraordinary gains  were recorded  in  1989 and  1990  in the  amounts  of
     $345,000   and  $453,000,  respectively,  related   to  the  repurchase  of
     convertible subordinated debentures.
</TABLE>

                                       4
<PAGE>
                                  RISK FACTORS

    IN  ADDITION  TO  THE OTHER  INFORMATION  IN THIS  PROSPECTUS  AND DOCUMENTS
INCORPORATED BY REFERENCE HEREIN, THE FOLLOWING FACTORS SHOULD BE CONSIDERED  IN
EVALUATING AN INVESTMENT IN THE SHARES OF COMMON STOCK.

DEPENDENCE UPON PERSONNEL

    The  Company is  engaged in  the personnel  services business.  As such, its
success or failure is  highly dependent upon the  performance of its  management
personnel and employees, rather than upon technology or upon tangible assets (of
which  the Company has few). There can be  no assurance that the Company will be
able to attract and retain the personnel that are essential to its success.

HIGHLY COMPETITIVE BUSINESS

    The personnel services business is highly  competitive and, because it is  a
service  business,  the  barriers  to  entry  are  quite  low.  There  are  many
competitors, some of  which have  greater resources  than the  Company, and  new
competitors  are  entering  the  market all  the  time.  In  addition, long-term
contracts form a negligible portion  of the Company's revenue. Therefore,  there
can  be no assurance that  the Company will be able  to retain clients or market
share in the future. Nor  can there be any assurance  that the Company will,  in
light  of competitive pressures, be able to remain profitable or, if profitable,
maintain its current profit margins.

BUSINESS HIGHLY DEPENDENT UPON THE STATE OF THE ECONOMY

    The demand for the Company's services is highly dependent upon the state  of
the  economy and upon the staffing needs of the Company's clients. Any variation
in the economic  condition of the  U.S. or of  any of the  foreign countries  in
which  the Company does business, or in  the economic condition of any region of
any of the foregoing, or in any specific industry may severely reduce the demand
for the  Company's services  and thereby  significantly decrease  the  Company's
revenue. The ROBERT HALF division has traditionally taken longer to recover from
the effects of recessions than the ACCOUNTEMPS division.

AVAILABILITY OF CANDIDATES

    The  Company's  business consists  of the  placement of  individuals seeking
temporary and permanent  employment. There  can be no  assurance that  qualified
candidates for employment will continue to seek temporary employment through the
Company.  Qualified candidates  generally seek temporary  or permanent positions
through multiple  sources,  including  the  Company  and  its  competitors.  Any
shortage of qualified candidates could materially adversely affect the Company.

GOVERNMENT REGULATION

    The  Company's business is subject to regulation or licensing in many states
and in  certain  foreign  countries.  While the  Company  has  had  no  material
difficulty  complying with  regulations in the  past, there can  be no assurance
that the Company will be  able to continue to  obtain all necessary licenses  or
approvals  or that  the cost of  compliance will  not prove to  be material. Any
inability of  the Company  to  comply with  government regulation  or  licensing
requirements could materially adversely affect the Company.

POTENTIAL LIABILITY TO EMPLOYEES AND CLIENTS

    The Company's temporary services business entails employing individuals on a
temporary  basis  and  placing  such  individuals  in  clients'  workplaces. The
Company's ability  to  control the  workplace  environment is  limited.  As  the
employer  of record  of its  temporary employees, the  Company incurs  a risk of
liability to its  temporary employees  for various  workplace events,  including
claims  of physical injury, discrimination or harassment. While such claims have
not historically had a material adverse effect upon the Company, there can be no
assurance that such claims in the future will not result in adverse publicity or
a material adverse effect upon the Company.

    The Company also incurs  a risk of liability  to its clients resulting  from
allegations  of  errors,  omissions or  theft  by its  temporary  employees. The
Company maintains insurance  with respect  to many  of such  claims. While  such
claims  have not  historically had a  material adverse effect  upon the Company,
there can be no assurance  that the Company will continue  to be able to  obtain
insurance at a cost that does not have a

                                       5
<PAGE>
material  adverse effect upon the Company or that such claims (whether by reason
of the Company not having  insurance or by reason  of such claims being  outside
the  scope of  the Company's  insurance) will not  result in  a material adverse
effect upon the Company.

ABILITY TO CONTINUE GROWTH

    There can  be no  assurance  that the  growth  recently experienced  by  the
Company  will  continue in  the future.  Growth  is dependent  upon a  number of
factors, including, but not limited to, the recruitment of qualified  employees,
the availability of working capital, the level of competition and the ability of
the  Company to control costs  and maintain margins. In  addition, to the extent
that past growth has  occurred through acquisitions, there  can be no  assurance
that  the Company will be  able to continue to  locate and acquire businesses in
the future or that any such acquisition will not have a material adverse  effect
upon  the performance of the  Company or the ability  of management to focus its
efforts on current operations.

HEALTH CARE REFORM

    Various health care  reform proposals, including  proposals to require  that
employers  provide greater  benefits to  employees and  that temporary employers
provide benefits to  temporary employees,  are being considered  by the  federal
government and certain state governments. It is impossible at present to predict
what  proposals, if any, will  be adopted. Therefore, there  can be no assurance
that any proposals that are adopted will not have a material adverse effect upon
the Company.

                                USE OF PROCEEDS

    The net proceeds  from the sale  of the  shares offered by  the Company  are
estimated to be approximately $      ($      if the Underwriters' over-allotment
options  are exercised in full), assuming a public  offering price of $  .  (the
last reported sale price on the New York Stock Exchange on             ,  1994).
The  Company  intends to  use the  proceeds for  repayment of  a portion  of the
borrowings under the Company's revolving credit agreement, which borrowings bear
interest either at the Eurodollar rate plus 1% or prime.

    The Company will not receive any of the proceeds from the sale of the shares
offered by the Selling Stockholders.

                                       6
<PAGE>
                                 CAPITALIZATION

    The following table sets forth the capitalization of the Company at June 30,
1994, and as adjusted to reflect (i) the  sale of shares of Common Stock by  the
Company  in this offering at an assumed public offering  price of $    per share
and (ii) the application of the estimated net proceeds therefrom.

<TABLE>
<CAPTION>
                                                                                       ACTUAL    AS ADJUSTED
                                                                                     ----------  -----------
                                                                                         (IN THOUSANDS)
<S>                                                                                  <C>         <C>
Notes payable and other indebtedness, less current portion.........................  $    3,112   $   3,112
Bank loan (revolving credit).......................................................      18,600
Stockholders' equity:
  Common stock, $.001 par value:
    authorized -- 100,000,000; issued and outstanding -- 27,330,644 actual;
     27,430,644 as adjusted........................................................          27
  Capital surplus..................................................................      67,168
  Deferred compensation............................................................      (6,535)     (6,535)
  Accumulated translation adjustments..............................................        (536)       (536)
  Retained earnings................................................................      87,318      87,318
                                                                                     ----------  -----------
      Total stockholders' equity...................................................     147,442
                                                                                     ----------  -----------
Total capitalization...............................................................  $  169,154   $
                                                                                     ----------  -----------
                                                                                     ----------  -----------
</TABLE>

                PRICE RANGE OF COMMON STOCK AND DIVIDEND POLICY

    The Company's Common Stock is listed on  the New York Stock Exchange and  is
traded  under the symbol  RHI. The following  table sets forth,  for the periods
shown, the quarterly  high and  low sale  prices per  share of  Common Stock  as
reported  on the New York Stock Exchange  Composite Tape. All prices reflect the
Company's 2-for-1 stock split in August 1994.

<TABLE>
<CAPTION>
                                                                                   SALES PRICES
                                                                                -------------------
                                                                                 HIGH         LOW
                                                                                ------       ------
<S>                                                                             <C>          <C>
1992
  First Quarter................................................................. $ 73/16     $ 51/2
  Second Quarter................................................................   615/16      53/4
  Third Quarter.................................................................   57/8        51/8
  Fourth Quarter................................................................   71/4        513/16
1993
  First Quarter................................................................. $ 91/16     $ 65/16
  Second Quarter................................................................  111/4        81/8
  Third Quarter.................................................................  15          1011/16
  Fourth Quarter................................................................  141/8       12
1994
  First Quarter................................................................. $167/16     $123/4
  Second Quarter................................................................  203/16      151/16
  Third Quarter (through September 23)..........................................  231/16      183/8
</TABLE>

    On September 26, 1994, the last reported  sale price of the Common Stock  on
the  New York Stock Exchange was $18.00  per share. On September 23, 1994, there
were approximately 1,370 holders of record of the Common Stock.

    No cash dividends have been paid in the last five years. The Company, as  it
deems  appropriate, may continue to retain all  earnings for use in its business
or may consider paying a dividend in the future.

                                       7
<PAGE>
                            SELECTED FINANCIAL DATA

    The selected consolidated financial data set forth below as of December  31,
1992  and 1993 and for each of the years in the three year period ended December
31, 1993 have been derived from the consolidated financial statements of  Robert
Half  International Inc. and its subsidiaries, which have been audited by Arthur
Andersen LLP,  independent  auditors, which  have  been incorporated  herein  by
reference.  The  selected  consolidated financial  data  set forth  below  as of
December 31, 1989,  1990 and  1991 and for  each of  the years in  the two  year
period  ended December 31, 1990 were derived from audited consolidated financial
statements. The selected consolidated financial data  set forth below as of  and
for  the six  months ended, June  30, 1993 and  1994 have been  derived from the
unaudited consolidated  financial  statements  of the  Company.  Such  unaudited
financial  statements, in  the opinion  of management,  include all adjustments,
consisting  only  of  normal  recurring   adjustments,  necessary  for  a   fair
presentation  of  the results  for those  interim periods.  Results for  the six
months ended  June 30,  1994 are  not necessarily  indicative of  results to  be
expected  for the  year ending  December 31, 1994.  The data  presented below is
qualified by, and should be read in conjunction with, the consolidated financial
statements, related notes and other financial information incorporated herein by
reference and "Management's Discussion and  Anaylsis of Financial Condition  and
Results of Operations."

<TABLE>
<CAPTION>
                                                                                                         SIX MONTHS ENDED
                                                              YEARS ENDED DECEMBER 31,                       JUNE 30,
                                                -----------------------------------------------------  --------------------
                                                  1989       1990       1991       1992       1993       1993       1994
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                                                                                           (UNAUDITED)
                                                       (IN THOUSANDS, EXCEPT PER SHARE INFORMATION AND PERCENTAGES)
<S>                                             <C>        <C>        <C>        <C>        <C>        <C>        <C>
INCOME STATEMENT DATA:
Net service revenues..........................  $ 234,504  $ 248,557  $ 209,455  $ 220,179  $ 306,166  $ 142,019  $ 206,410
Direct costs of services, consisting of
 payroll and payroll taxes for temporary
 employees....................................    119,682    130,792    117,583    131,875    188,292     86,255    126,417
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Gross margin..................................    114,822    117,765     91,872     88,304    117,874     55,764     79,993
Selling, general and administrative
 expenses.....................................     81,157     90,518     73,326     72,136     88,074     41,981     56,085
Amortization of intangible assets.............      3,357      3,721      3,896      3,961      4,251      2,078      2,279
Interest expense..............................      7,264      8,593      6,574      4,301      3,992      1,948        955
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income before income taxes and extraordinary
 item.........................................     23,044     14,933      8,076      7,906     21,557      9,757     20,674
Provision for income taxes....................      9,922      6,067      3,961      3,524      9,834      4,471      8,797
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income before extraordinary item..............     13,122      8,866      4,115      4,382     11,723      5,286     11,877
Extraordinary item from repurchases of
 debentures, net of income tax effects........        345        453         --         --         --         --         --
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income....................................  $  13,467  $   9,319  $   4,115  $   4,382  $  11,723  $   5,286  $  11,877
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Income Per Fully Diluted Share:
Income before extraordinary item..............  $     .56  $     .39  $     .18  $     .18  $     .46  $     .21  $     .42
Extraordinary item............................        .01        .02         --         --         --         --         --
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Net income....................................  $     .57  $     .41  $     .18  $     .18  $     .46  $     .21  $     .42
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
                                                ---------  ---------  ---------  ---------  ---------  ---------  ---------
Weighted average number of fully diluted
 shares.......................................     27,664     22,935     23,273     24,007     25,260     24,758     28,191

RATIO DATA:
Gross margin..................................       49.0%      47.4%      43.9%      40.1%      38.5%      39.3%      38.8%
Selling, general and administrative
 expenses.....................................       34.6%      36.4%      35.0%      32.8%      28.8%      29.6%      27.2%
Operating margin before amortization of
 intangible assets............................       14.4%      11.0%       8.9%       7.3%       9.7%       9.7%      11.6%
Pretax margin.................................        9.8%       6.0%       3.9%       3.6%       7.0%       6.9%      10.0%
Net income margin.............................        5.7%       3.7%       2.0%       2.0%       3.8%       3.7%       5.8%

BALANCE SHEET DATA:
Intangible assets, net........................  $ 133,695  $ 141,728  $ 140,715  $ 143,757  $ 152,156  $ 146,119  $ 155,012
Total assets..................................    181,437    187,844    178,207    181,999    204,598    190,766    218,243
Total debt....................................     90,298     86,475     67,614     61,855     32,740     57,444     22,846
Stockholders' equity..........................     68,675     77,291     84,419     90,972    133,602     98,234    147,442
</TABLE>

                                       8
<PAGE>
          MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                           AND RESULTS OF OPERATIONS

    RESULTS OF OPERATIONS FOR THE SIX MONTHS ENDED JUNE 30, 1994 AND 1993.

    Net service revenues for the six months ending June 30, 1994 increased 45.3%
compared  to the  six months  ending June  30, 1993.  Temporary service revenues
increased approximately  45.7%  during  the  six months  ended  June  30,  1994,
including  the revenues generated from  the Company's OFFICETEAM division, which
was  started  in  1991  to  provide  highly-skilled  office  and  administrative
personnel.  Permanent placement  revenues increased 42.9%  during the comparable
six months  ending June  30,  1994 and  1993.  The revenue  comparisons  reflect
continued improvement in the demand for the Company's services.

    Gross margin dollars increased 43.4% during the six month period ending June
30, 1994, compared with the corresponding six month period ending June 30, 1993.
Gross  margin amounts equaled 38.8% of revenues  for the six month period ending
June 30, 1994 and  39.3% of revenues  for the six month  period ending June  30,
1993.  The  percentage  decline  related  principally  to  the  relatively lower
percentage of revenues from the ROBERT HALF permanent placement division  (which
has higher gross margins).

    Selling,  general and administrative expenses were approximately $56 million
during the six months ended June 30, 1994 compared to approximately $42  million
during  the six months ended June  30, 1993. Selling, general and administrative
expenses as a percentage of revenues were 27.2% in the six months ended June 30,
1994 compared to 29.6%  in the six  months ended June  30, 1993. The  percentage
decline  was attributable  to increased coverage  of fixed costs  due to revenue
growth.

    Interest expense for the six months ended June 30, 1994 decreased 51.0% over
the comparable 1993  period due  primarily to  the conversion  of the  Company's
convertible  subordinated  debentures  in  the  fourth  quarter  of  1993  and a
reduction in outstanding indebtedness.

    The provision for income taxes for the  six months ended June 30, 1994,  was
42.6%  compared to 45.8% of income before taxes for the same period in 1993. The
decrease in  1994  is the  result  of  a smaller  percentage  of  non-deductible
intangible expenses relative to income.

    RESULTS OF OPERATIONS FOR THE THREE YEARS ENDED DECEMBER 31, 1993

    Temporary  services  revenues  increased  40%  during  1993,  including  the
revenues generated from the  Company's OfficeTeam division. Permanent  placement
revenues  increased 30%  during the year  ended December 31,  1993. The positive
revenue comparisons reflect strong demand for the Company's services.

    Net service  revenues  grew at  a  slower rate  in  1992 compared  to  1991,
primarily  as a  result of  the general  economic recession.  Temporary services
revenues increased 9% while revenues of the ROBERT HALF division decreased 21%.

    Gross margin as a percentage of  revenues declined 1% between 1993 and  1992
and equaled 39% of revenue in 1993. In 1992, gross margin equaled 40% of revenue
and  in 1991, gross margin  was 44% of revenue.  The percentage declines related
principally to the relatively lower percentage of revenues from the Robert  Half
division  (which  has higher  gross margins)  and higher  unemployment insurance
costs associated with the temporary services divisions.

    Selling, general and  administrative expenses were  $88 million during  1993
compared  to $72 million in  1992 and $73 million  in 1991. Selling, general and
administrative expenses as a percentage of revenues was 29% in 1993, compared to
33% in  1992 and  35% in  1991.  The percentage  declines were  attributable  to
increased  coverage  of  fixed costs  due  to  revenue growth  coupled  with the
Company's cost containment measures.

    Amortization of  intangible  assets  increased  from 1991  to  1993  due  to
acquisitions in that period of additional personnel services operations.

                                       9
<PAGE>
    Interest expense for the years ended December 31, 1993 and 1992 decreased 7%
and 35%, respectively, over the comparable prior periods due to the reduction in
outstanding  indebtedness in both years and declining interest rates in the year
ending December 31, 1992.

    The provision for income taxes was 46%  in 1993, as compared to 45% in  1992
and 49% in 1991. The 1993 increase reflects the effect of the 1% increase in the
federal  corporate income tax rate  as a result of the  1993 Tax Act. Because of
the increase in pre-tax book income, the effect of the non-deductible intangible
amortization on the effective tax rate was reduced in 1993 as compared to  1992.
The  1992 reduction relative to 1991 was  due primarily to a one-time benefit in
the fourth quarter of 1992 for  the resolution of tax accounting issues  related
to  previous acquisitions. The Financial Accounting Standards Board issued a new
standard on accounting for income taxes, which the Company was required to adopt
on January 1,  1993. The  cumulative effect of  the adoption  of the  accounting
method prescribed by the new standard was immaterial.

    LIQUIDITY AND CAPITAL RESOURCES

    As   of  June  30,  1994,  the   Company's  sources  of  liquidity  included
approximately $1.5 million in cash and cash equivalents and $26.4 million in net
working capital. In  addition, as of  June 30, 1994,  approximately $58  million
remained  available for borrowing under the Company's $80 million bank revolving
credit facility  at interest  rates of  either the  Eurodollar rate  plus 1%  or
prime.

    The Company's liquidity during the first half of 1994 was increased by $17.0
million  from funds generated by operating activities. These funds were used for
personnel  services   acquisitions,  capital   expenditures  and   payments   on
outstanding indebtedness.

    The   Company's  working  capital  requirements  consist  primarily  of  the
financing of  accounts receivable.  While there  can be  no assurances  in  this
regard,  the  Company  expects  that internally  generated  cash  plus  the bank
revolving credit  facility  will be  sufficient  for the  forseeable  future  to
support the working capital needs of the Company.

                                       10
<PAGE>
                                    BUSINESS

    Robert  Half International Inc. is  the world's largest specialized provider
of temporary and permanent  personnel in the fields  of accounting and  finance.
Its  divisions include ACCOUNTEMPS-R- and ROBERT HALF-R-, providers of temporary
and permanent personnel, respectively, in the fields of accounting and  finance,
OFFICETEAM-R-  for  highly-skilled  administrative  and  office  personnel,  RHI
CONSULTING-TM- for information  technology professionals  and THE  AFFILIATES-R-
for  legal staffing.  The Company  helps clients  fill positions  with qualified
temporary and permanent personnel  at every staffing  level in its  specialties,
including  accounting  positions  from bookkeeper  to  chief  financial officer,
information technology positions  from PC/LAN  technician to  system design  and
application  programmer,  banking positions  from  loan processor  to president,
administrative support  positions from  word processor  to office  manager,  and
legal positions from litigation support clerk to legal administrator.

THE INDUSTRY

    The  temporary personnel industry has grown rapidly over the past ten years.
According to  an independent  industry study  published by  The Omnicomp  Group,
industry   revenues  increased  from  approximately  $7.7  billion  in  1984  to
approximately $23.6 billion in 1993, an average annual growth rate of 13.3%  and
from 1992 to 1993 the revenues increased by 18.5%.

    The use of temporary personnel has become widely accepted as a valuable tool
for  managing  personnel  costs  and  for  meeting  specialized  or  fluctuating
employment requirements.  Temporary services  companies  offer their  clients  a
means  of dealing  with uneven  or peak  work loads  caused by  such predictable
events as  vacations, taking  inventories, tax  work, month-end  activities  and
special  projects and  such unpredictable  events as  illnesses and emergencies.
Businesses view  the  use of  temporary  employees  as a  means  of  controlling
personnel  costs and converting such costs from  fixed to variable. The cost and
inconvenience to  clients  of  hiring additional  regular  employees  for  short
periods  are eliminated by the use of temporaries. This acceptance of the use of
temporaries has resulted in an increase  in temporary employees as a  percentage
of the workforce from 0.4% in 1982 to 1.4% in 1993, according to the U.S. Bureau
of Labor Statistics and the National Association of Temporary Services.

    The temporary workers are employees of the temporary service company and are
paid  only when working on client assignments. The client pays a fixed rate only
for hours worked. The use of temporary employees therefore enables the client to
shift certain employment costs (such  as workers' compensation and  unemployment
insurance) to the temporary personnel company.

COMPANY STRATEGY

    The Company's strategy is to be the premier provider of specialized staffing
services   in  the   fields  of  accounting,   finance,  office  administration,
information technology and legal support. Key elements of the Company's strategy
include the following:

    - FOCUS ON  SPECIALIZED NICHES  --  The Company  focuses on  placing  highly
      qualified  and experienced personnel in positions that require specialized
      financial,  administrative,  technical  and  legal  skills.  The   Company
      believes  clients' temporary needs  for individuals with  these skills are
      generally more difficult to fill  than lower-level positions. The  Company
      further  believes that  its 45 years  of experience and  reputation in the
      area  of  specialized  accounting  and  financial  personnel  give  it   a
      competitive advantage in the temporary services industry.

    - HIRE  ASSIGNMENT AND  PLACEMENT MANAGERS POSSESSING  SPECIALIZED SKILLS --
      The Company's assignment and placement managers typically have  experience
      in  the fields in  which they are placing  personnel. The Company believes
      that this allows its managers to better understand each client's  staffing
      requirements  and  to select  candidates  that best  address  those needs.
      Placement managers  seek to  develop a  long term  relationship with  each
      client  and strive  to play  a consultative  role in  the client's ongoing
      hiring and staffing process.

    - EXPAND INTO ADDITIONAL SPECIALTY FIELDS -- The Company has diversified its
      service offerings  beyond accounting  and  finance to  other  professional
      fields.    In    1991,    the   Company    established    its   OFFICETEAM

                                       11
<PAGE>
      division which specializes  in providing skilled  temporary and  permanent
      office  and administrative  personnel. In  1992, the  Company acquired THE
      AFFILIATES which specializes in providing  legal support personnel to  law
      firms  and  corporations.  Most  recently,  in  January  1994  the Company
      established its  RHI CONSULTING  division to  provide information  systems
      personnel ranging from PC/LAN technicians to system design and application
      programmers.

    - PROMOTE  BRAND RECOGNITION -- The Company enhances client awareness of its
      services  through  a  commitment  to  advertising  and  public   relations
      activities,  including national direct mail  and broadcast media compaigns
      and the frequent publication of  articles and books on personnel  matters.
      Additionally,  the  Company  has  established  co-marketing  programs with
      leading financial,  accounting  and word  processing  software  companies,
      including   Lotus   Development   Corporation,   WordPerfect  Corporation,
      Peachtree Software, Inc., and Computer Associates International, Inc.  The
      Company   also   actively   seeks  endorsements   and   affiliations  with
      professional organizations in  business management, office  administration
      and professional secretarial fields.

OPERATIONS

ACCOUNTEMPS

    The  ACCOUNTEMPS temporary services division offers customers a reliable and
economical means of dealing with uneven  or peak work loads for accounting,  tax
and  finance personnel  caused by such  predictable events  as vacations, taking
inventories, tax  work,  month-end  activities and  special  projects  and  such
unpredictable  events as  illness and emergencies.  Businesses increasingly view
the use of  temporary employees as  a means of  controlling personnel costs  and
converting  such costs  from fixed  to variable.  The cost  and inconvenience to
clients of hiring and  firing permanent employees are  eliminated by the use  of
ACCOUNTEMPS  temporaries. The temporary workers are employees of ACCOUNTEMPS and
are paid by ACCOUNTEMPS only when working on customer assignments. The  customer
pays a fixed rate only for hours worked.

    ACCOUNTEMPS  clients may fill  their permanent employment  needs by using an
ACCOUNTEMPS employee  on a  trial basis  and, if  so desired,  "converting"  the
temporary position to a permanent position. The client typically pays a one-time
fee for such conversions.

    The  ACCOUNTEMPS business accounted for 75% of the Company's revenue in 1993
and 65% of the Company's revenue during the first six months of 1994.

OFFICE TEAM

    The Company's  OFFICETEAM  division,  which commenced  operations  in  1991,
places temporary and permanent office and administrative personnel, ranging from
word  processors  to office  managers,  from over  100  locations in  the United
States. OFFICETEAM operates  in much  the same  fashion as  the ACCOUNTEMPS  and
ROBERT  HALF  divisions.  The  OFFICETEAM  business  accounted  for  14%  of the
Company's revenue in 1993 and 22% of the Company's revenue during the first  six
months of 1994.

ROBERT HALF

    The  Company offers permanent placement  services through its office network
under the name ROBERT  HALF. The Company's ROBERT  HALF division specializes  in
placing  accounting, financial, tax  and banking personnel.  Fees for successful
permanent placements  are  paid  only  by  the  employer  and  are  generally  a
percentage  of  the new  employee's annual  compensation.  No fee  for permanent
placement services is charged to employment candidates.

    The ROBERT HALF business accounted for  9% of the Company's revenue in  1993
and during the first six months of 1994.

OTHER ACTIVITIES

    In 1992, the Company acquired THE AFFILIATES-R-, a small operation involving
only a limited number of offices, which places temporary and permanent employees
in paralegal, legal administrative and legal

                                       12
<PAGE>
secretarial  positions.  The  legal  profession's  requirements  (the  need  for
confidentiality,   accuracy   and   reliability,    a   strong   drive    toward
cost-effectiveness,  and  frequent peak  workload  periods) are  similar  to the
demands of the clients of the ACCOUNTEMPS division.

    The Company  recently established  its  RHI CONSULTING-TM-  division,  which
specializes  in  providing  information  technology  professionals  ranging from
PC/LAN technician to system design and application programmer.

MARKETING AND RECRUITING

    The  Company  markets  its  services  to  clients  as  well  as   employment
candidates.  Local  marketing and  recruiting  are generally  conducted  by each
office or  related  group  of  offices.  Advertising  directed  to  clients  and
employment   candidates  consists  primarily  of  yellow  pages  advertisements,
classified advertisements and radio. Direct marketing through mail and telephone
solicitation also  constitutes  a significant  portion  of the  Company's  total
advertising. National advertising conducted by the Company consists primarily of
print  advertisements  in  national  newspapers,  magazines  and  certain  trade
journals. Joint  marketing  arrangements  have  been  entered  into  with  Lotus
Development  Corporation, WordPerfect Corporation, Peachtree Software, Inc., and
Computer Associates International,  Inc. and typically  provide for  cooperative
advertising, joint mailings and similar promotional activities. The Company also
actively  seeks endorsements and affiliations with professional organizations in
business management, office administration and professional secretarial  fields.
The Company also conducts public relations activities designed to enhance public
recognition  of the Company and its  services. Local employees are encouraged to
be active in civic organizations and industry trade groups.

    The Company owns  many trademarks, service  marks and tradenames,  including
the  "ROBERT HALF-R-", "ACCOUNTEMPS-R-", "OFFICETEAM-R-" and "THE AFFILIATES-R-"
marks, which are  registered in the  United States  and in a  number of  foreign
countries.

ORGANIZATION

    Management  of the Company's operations is coordinated from its headquarters
in Menlo Park, California. The  Company has more than  160 offices in 36  states
and  five foreign countries. Office managers are responsible for most activities
of  their  offices,  including  sales,  local  advertising  and  marketing   and
recruitment.

    The  Company's headquarters provides support and centralized services to its
offices in the administrative, marketing, accounting, training and legal  areas,
particularly as it relates to the standardization of the operating procedures of
its offices.

COMPETITION

    The  Company faces competition in its efforts  to attract clients as well as
high-quality specialized  employment  candidates. The  temporary  and  permanent
placement  businesses are  highly competitive, with  a number  of firms offering
services similar to  those provided by  the Company on  a national, regional  or
local  basis. In many  areas the local companies  are the strongest competitors.
The  most  significant  competitive  factors  in  the  temporary  and  permanent
placement businesses are price and the reliability of service, both of which are
often  a  function of  the availability  and quality  of personnel.  The Company
believes it derives a  competitive advantage from its  long experience with  and
commitment  to the specialized employment market, its national presence, and its
various marketing activities.

EMPLOYEES

    The Company's  offices  employed approximately  59,000  different  temporary
employees  on assignments during 1993. Temporary employees placed by the Company
are the  Company's  employees  for  all  purposes  while  they  are  working  on
assignments.  The Company pays the related costs of employment, such as workers'
compensation insurance, state  and federal unemployment  taxes, social  security
and  certain fringe  benefits. The  Company provides  voluntary health insurance
coverage to interested temporary employees.

                                       13
<PAGE>
                               EXECUTIVE OFFICERS

    The following table lists the name of each executive officer of the Company,
his  or her age as of  September 30, 1994, and his  or her current positions and
offices with the Company:

<TABLE>
<CAPTION>
               NAME                  AGE                         OFFICE
- -----------------------------------  ----  --------------------------------------------------
<S>                                  <C>   <C>
Harold M. Messmer, Jr. ............   48   Chairman of the Board, President and Chief
                                             Executive Officer
M. Keith Waddell...................   37   Senior Vice President, Chief Financial Officer and
                                             Treasurer
Robert W. Glass....................   36   Senior Vice President, Corporate Development
Steven Karel.......................   44   Vice President, Secretary and General Counsel
Kirk E. Lundburg...................   35   Vice President, Administration
Barbara J. Forsberg................   33   Vice President and Controller
</TABLE>

    Mr. Messmer  has been  Chairman  of the  Board  since November  1988,  Chief
Executive Officer since May 1987, Chief Executive Officer of the ACCOUNTEMPS and
ROBERT  HALF  businesses since  their  acquisition by  the  Company in  1986 and
President since October  1985. Mr.  Messmer is  a director  of Airborne  Freight
Corporation,  Health  Care  Property Investors,  Inc.,  Pacific  Enterprises and
Spieker Properties, Inc.

    Mr. Waddell has been  Senior Vice President of  the Company since May  1993,
Chief  Financial Officer of the Company  since February 1988 and Treasurer since
1987. From October 1986 when he joined the Company until May 1993, he served  as
Vice  President. Prior to joining the Company,  Mr. Waddell was an audit manager
with Arthur Andersen & Co.

    Mr. Glass has been Senior  Vice President, Corporate Development, since  May
1993.  He served  as Vice  President, Corporate  Development from  February 1988
until May 1993.  From 1987  until February 1988,  he served  as Vice  President,
Planning  of  the Company.  From  January 1986  until  May 1987,  Mr.  Glass was
employed as an investment analyst by the Company.

    Mr. Karel has been Vice President  and General Counsel of the Company  since
September  1989 and Secretary since  May 1993. From 1984  to 1989, Mr. Karel was
employed by Cooper Laboratories, Inc. and CooperVision, Inc. From 1980 to  1984,
he was an associate with the law firm of Pillsbury, Madison & Sutro.

    Mr.  Lundburg has been Vice President, Administration since July 1993. Prior
to joining the  Company, Mr.  Lundburg was  an associate  with the  law firm  of
Latham & Watkins.

    Ms.  Forsberg has  been Vice  President of  the Company  since May  1993 and
Controller since  May  1990. For  more  than five  years  prior to  joining  the
Company, Ms. Forsberg worked in the audit division of Arthur Andersen & Co.

                                       14
<PAGE>
                              SELLING STOCKHOLDERS

    The  following  table  sets  forth information  as  of  September  23, 1994,
concerning beneficial ownership of Common Stock by the Selling Stockholders.

<TABLE>
<CAPTION>
                                                                                NUMBER OF
                                                                                SHARES TO
                                                                                 BE SOLD
                                                       SHARES OF COMMON STOCK   ----------
                                                         BENEFICIALLY OWNED                  SHARES BENEFICIALLY
                                                          PRIOR TO OFFERING                  OWNED AFTER OFFERING
                                                       -----------------------              ----------------------
NAME OF BENEFICIAL OWNER                                 NUMBER      PERCENT                  NUMBER     PERCENT
- -----------------------------------------------------  ----------  -----------              ----------  ----------
<S>                                                    <C>         <C>          <C>         <C>         <C>
The Fulcrum III Limited Partnership..................   3,690,994       13.5%
  600 Madison Avenue
  New York, NY 10022
The Second Fulcrum III Limited Partnership...........   2,509,006        9.1%
  600 Madison Avenue
  New York, NY 10022
</TABLE>

    The sole general  partner of each  of the Selling  Stockholders is  Gibbons,
Goodwin,  van Amerongen  ("GGvA"). The  general partners  of GGvA  are Edward W.
Gibbons (a director of the Company),  Todd Goodwin (a director of the  Company),
Lewis  W. van Amerongen and Elizabeth V. Camp. Mr. Gibbons directly owns 200,000
shares of the Company's Common Stock  and Messrs. Gibbons and Goodwin each  hold
options to purchase 30,000 shares of the Company's Common Stock.

    The  Company has  agreed with  the Selling  Stockholders to  pay for certain
expenses incurred  in connection  with the  registration of  the shares  offered
hereby, such as filing fees, printing expenses, blue-sky fees and expenses, fees
and  disbursements of counsel  for the Company and  accounting fees. The Selling
Stockholders have agreed to pay all underwriting discounts, selling  commissions
and  stock transfer  taxes applicable  to the shares  being sold  by the Selling
Stockholders, as well as the fees  and disbursements of counsel for the  Selling
Stockholders.

                 CERTAIN UNITED STATES FEDERAL TAX CONSEQUENCES
                          TO NON-UNITED STATES HOLDERS

    The  following is a general discussion  of certain United States federal tax
consequences of the acquisition, ownership and disposition of Common Stock by  a
holder  that, for United  States federal income  tax purposes, is  not a "United
States person" (a "Non-United States Holder"). This discussion is based upon the
United States  federal  tax law  now  in effect,  which  is subject  to  change,
possibly  retroactively.  For  purposes  of this  discussion,  a  "United States
person" means  a  citizen or  resident  of  the United  States;  a  corporation,
partnership,  or other entity created or organized in the United States or under
the laws of the  United States or  of any political  subdivision thereof; or  an
estate  or trust whose  income is includible  in gross income  for United States
federal income tax purposes regardless of  its source. This discussion does  not
address  investors  other than  original purchasers  and  does not  consider any
specific facts or circumstances that may apply to a particular Non-United States
Holder. Prospective investors are urged to consult their tax advisors  regarding
the  United States federal tax consequences  of acquiring, holding and disposing
of Common Stock, as well as any  tax consequences that may arise under the  laws
of any state, municipality or other taxing jurisdiction.

DIVIDENDS

    Dividends  paid to a  Non-United States Holder will  generally be subject to
withholding of United States federal  income tax at the  rate of 30% unless  the
dividend is effectively connected with the conduct of a trade or business within
the  United States by the  Non-United States Holder, in  which case the dividend
will be subject  to the  United States  federal income  tax on  net income  that
applies  to  United States  persons generally  (and,  with respect  to corporate
holders and under  certain circumstances,  the branch  profits tax).  Non-United
States  Holders should  consult any  applicable income  tax treaties,  which may
provide for a  lower rate  of withholding or  other rules  different from  those
described  above. A Non-United States Holder  may be required to satisfy certain
certification requirements in order to claim treaty benefits or otherwise  claim
a reduction of or exemption from withholding under the foregoing rules.

                                       15
<PAGE>
GAIN ON DISPOSITION

    A  Non-United States Holder  will generally not be  subject to United States
federal income tax  on any gain  recognized on  a sale or  other disposition  of
Common  Stock unless (i) the gain is effectively connected with the conduct of a
trade or business within the United States by the Non-United States Holder, (ii)
in the case of a Non-United States Holder who is a nonresident alien  individual
and  holds the Common  Stock as a capital  asset, such holder  is present in the
United States  for 183  or  more days  in the  taxable  year and  certain  other
requirements  are met or (iii)  the Company is or  becomes a "United States real
property holding corporation" for United States federal income tax purposes  and
certain  other requirements are met. Gain that is effectively connected with the
conduct of a trade or business within the United States by the Non-United States
Holder will be subject  to the United  States federal income  tax on net  income
that  applies to United States persons generally (and, with respect to corporate
holders and under certain circumstances, the branch profits tax) but will not be
subject to  withholding. Non-United  States  Holders should  consult  applicable
treaties, which may provide for different rules.

    Although the Company has not undertaken a thorough investigation of the book
value and fair market value of each of its assets and therefore cannot represent
with  any certainty,  the Company  believes that  presently it  is not  a United
States real  property  holding  corporation ("USRPHC").  However,  even  if  the
Company  were or  became a  USRPHC, gain realized  on the  disposition of Common
Stock by a Non-United States Holder  who does not beneficially own, actually  or
constructively,  more  than 5%  of the  outstanding Common  Stock should  not be
subject to  United States  income tax  if the  Common Stock  is then  "regularly
traded"  on an  established securities  market in  the United  States. Since the
Common Stock is traded on  the New York Stock Exchange  and it is expected  that
the  Common Stock will  be regularly quoted  by brokers and  dealers, the Common
Stock should  be  considered "regularly  traded"  on an  established  securities
market.  However,  it  is possible  to  read the  applicable  temporary Treasury
regulations as providing that the Common Stock will not be considered "regularly
traded" if 50% or more of the outstanding Common Stock is owned by 100 or  fewer
persons.  While  the Company  believes that  such  a reading  is not  the better
construction and  was  not  the  intent of  the  applicable  temporary  Treasury
regulations,  and that  such reading does  not constitute  the interpretation of
such regulations by the Treasury Department, no assurance can be given that such
reading would not  ultimately be determined  to be correct.  Even if the  Common
Stock  is regularly  traded on  an established  securities market  in the United
States, a Non-United States Holder who beneficially owns (or at any time  during
the  five years ending  on the date of  the sale or  disposition of Common Stock
owned), actually or constructively, more than 5% of the outstanding Common Stock
generally will be subject to United States federal income and withholding tax on
the gain  on  such disposition  if  the  Company is  a  USRPHC at  the  time  of
disposition  or was a  USRPHC at any  time within the  five years preceding such
disposition.

FEDERAL ESTATE TAXES

    Common Stock owned or treated as owned by an individual who is not a citizen
or resident  (as  specifically defined  for  United States  federal  estate  tax
purposes)  of the United  States at the date  of death will  be included in such
individual's estate for  United States  federal estate tax  purposes, unless  an
applicable estate tax treaty provides otherwise. Such individual's estate may be
subject  to United States federal  estate tax on the  property includible in the
estate for United  States federal  estate tax purposes.  Estates of  nonresident
aliens  are generally  allowed a  credit that is  equivalent to  an exclusion of
$60,000 of assets from the estate for United States federal estate tax purposes.

BACKUP WITHHOLDING AND INFORMATION REPORTING

    The Company must report annually to the Internal Revenue Service (the "IRS")
and to each Non-United States  Holder the amount of  dividends paid to, and  the
tax  withheld with respect to, each  Non-United States Holder. These information
reporting requirements apply  regardless of whether  withholding was reduced  or
eliminated  by an applicable tax treaty. Copies of these information returns may
be made available under  the provisions of a  specific treaty or agreement  with
the  tax  authorities  in the  country  in  which the  Non-United  States Holder
resides. United States information reporting  and backup withholding tax  (which
generally is a withholding tax imposed at the rate of 31% on certain payments to
United States

                                       16
<PAGE>
persons  that fail to  furnish the information required  under the United States
information reporting requirements) generally will  not apply to dividends  paid
on  Common Stock to a Non-United States  Holder either at an address outside the
United States (provided that the payor does not have definite knowledge that the
payee is a United States person) or if the dividends are subject to  withholding
at the 30% rate (or lower treaty rate).

    The  payment of  the proceeds  from the  disposition of  Common Stock  to or
through the United  States office  of a broker  will be  subject to  information
reporting  and backup withholding unless the  owner, under penalties of perjury,
certifies, among other things, as to its status as a Non-United States Holder or
otherwise establishes an exemption  (and the broker has  no actual knowledge  to
the  contrary). The payment of the proceeds from the disposition of Common Stock
to or through  a non-United  States office  of a  broker generally  will not  be
subject  to information  reporting or  backup withholding.  However, information
reporting (but not backup withholding) will  apply to a payment of the  proceeds
from  a sale of Common Stock if the  payment is made through a Non-United States
office of a  United States broker  or through  a Non-United States  office of  a
Non-United States broker that is (i) a controlled foreign corporation for United
States  federal income tax purposes or (ii) a  person 50% or more of whose gross
income for a certain  three-year period is effectively  connected with a  United
States  trade or  business, unless  the broker  has documentary  evidence in its
records that the holder is a Non-United States Holder and certain conditions are
met, or the holder otherwise establishes an exemption.

    Any amount withheld under  backup withholding rules may  be refunded to  the
holder  or  credited  against  the holder's  United  States  federal  income tax
liability, provided that the required information is furnished to the IRS.

    The backup withholding and information  reporting rules currently are  under
review by the U.S. Treasury Department and their application to the Common Stock
is subject to change.

                                       17
<PAGE>
                                  UNDERWRITING

    Subject  to the terms and conditions set  forth in a purchase agreement (the
"U.S. Purchase Agreement"), the Company and the Selling Stockholders have agreed
to sell to the U.S. Underwriters named below (the "U.S. Underwriters"), and  the
U.S.  Underwriters, for whom Merrill Lynch,  Pierce, Fenner & Smith Incorporated
and  William  Blair  &  Company   are  acting  as  representatives  (the   "U.S.
Representatives"),  have severally agreed  to purchase, the  number of shares of
Common Stock set forth opposite their respective names below.

<TABLE>
<CAPTION>
                                                                       NUMBER OF
             U.S. UNDERWRITER                                           SHARES
- --------------------------------------------------------------------   ---------
<S>                                                                    <C>
Merrill Lynch, Pierce, Fenner & Smith
          Incorporated..............................................
William Blair & Company.............................................

                                                                       ---------
          Total.....................................................   4,080,000
                                                                       ---------
                                                                       ---------
</TABLE>

    The Company  and  the Selling  Stockholders  have entered  into  a  purchase
agreement  (the "International Purchase  Agreement" and, together  with the U.S.
Purchase Agreement,  the "Agreements")  with  certain underwriters  outside  the
United  States and Canada  (the "International Underwriters"),  for whom Merrill
Lynch International  Limited and  William Blair  & Company  are acting  as  lead
managers  (the  "International  Representatives").  Subject  to  the  terms  and
conditions set forth in  the International Purchase  Agreement, the Company  and
the  Selling Stockholders have agreed to sell to the International Underwriters,
and the  International  Underwriters  have  severally  agreed  to  purchase,  an
aggregate of 1,020,000 shares of Common Stock. The initial public offering price
per  share and the underwriting discount per  share are identical under the U.S.
Purchase Agreement and the International Purchase Agreement.

    In the U.S. Purchase Agreement and the International Purchase Agreement, the
several  U.S.   Underwriters   and  the   several   International   Underwriters
(collectively,  the "Underwriters"),  respectively, have agreed,  subject to the
terms and conditions set forth therein, to purchase all of the shares of  Common
Stock being sold pursuant to such Agreement if any of the shares of Common Stock
being sold pursuant to such Agreement are purchased. The U.S. Purchase Agreement
provides  that, in the  event of a  default by a  U.S. Underwriter, the purchase
commitments of the non-defaulting U.S. Underwriters may in certain circumstances
be increased, and  the International  Purchase Agreement provides  that, in  the
event  of a default by an International Underwriter, the purchase commitments of
the non-defaulting International  Underwriters may in  certain circumstances  be
increased.  The closing with respect  to the sale of  the shares of Common Stock
pursuant to  the U.S.  Purchase Agreement  is a  condition to  the closing  with
respect  to the sale of the shares of Common Stock pursuant to the International
Purchase Agreement, and the closing  with respect to the  sale of the shares  of
Common  Stock pursuant to the International Purchase Agreement is a condition to
the closing with respect to the sale  of the shares of Common Stock pursuant  to
the U.S. Purchase Agreement.

    The  U.S. Underwriters and the  International Underwriters have entered into
an intersyndicate agreement (the "Intersyndicate Agreement") which provides  for
the  coordination of  their activities.  Under the  terms of  the Intersyndicate
Agreement,  the  U.S.  Underwriters  and  the  International  Underwriters   are
permitted to sell shares of Common Stock to each other.

    The U.S. Representatives have advised the Company that the U.S. Underwriters
propose  initially to  offer the  shares of Common  Stock offered  hereby to the
public at  the  public offering  price  set forth  on  the cover  page  of  this
Prospectus  and to certain dealers at such price less a concession not in excess
of $

                                       18
<PAGE>
per share. The  U.S. Underwriters  may allow, and  such dealers  may reallow,  a
discount  not in excess of $          per share on sales to other dealers. After
the initial public offering, the public offering price, concession and  discount
may be changed.

    The  Company has granted to the U.S. Underwriters an option, exercisable for
30 days after the date  hereof, to purchase up  to 408,000 additional shares  of
Common Stock and to the International Underwriters an option, exercisable for 30
days  after the  date hereof,  to purchase  up to  102,000 additional  shares of
Common Stock,  in each  case solely  to cover  over-allotments, if  any, at  the
initial public offering price less the underwriting discount. To the extent that
the  U.S. Underwriters exercise this option,  each of the U.S. Underwriters will
be obligated, subject to certain conditions, to purchase approximately the  same
percentage  of such  shares which  the number  of shares  of Common  Stock to be
purchased by it shown in the foregoing table bears to the total number of shares
of Common Stock initially purchased by the U.S. Underwriters.

    Under the terms of the  Intersyndicate Agreement, the U.S. Underwriters  and
any  dealer to whom they sell shares of  Common Stock will only offer to sell or
sell shares  of Common  Stock to  persons whom  they believe  are United  States
Persons  or Canadian Persons (as defined  in the Intersyndicate Agreement) or to
persons whom they believe intend to reoffer or resell the same to United  States
Persons  or Canadian Persons,  and the International  Underwriters and any bank,
broker or dealer to whom they sell shares of Common Stock will not offer to sell
or sell shares of Common Stock to persons whom they believe to be United  States
Persons or Canadian Persons or to persons whom they believe intend to reoffer or
resell  the same to  United States Persons  or Canadian Persons,  except in each
case for  transactions pursuant  to the  Intersyndicate Agreement  which,  among
other things, permits the Underwriters to purchase from each other and offer for
resale  such number  of shares  of Common  Stock as  the selling  Underwriter or
Underwriters and the purchasing Underwriter or Underwriters may agree.

    The Company  and  the Selling  Stockholders  have agreed  to  indemnify  the
Underwriters  against  certain  liabilities,  including  liabilities  under  the
Securities Act of 1933, as amended.

    The Company has agreed not to sell, offer to sell, grant any option for sale
of, or  otherwise dispose  of, any  shares of  Common Stock,  or any  securities
convertible  or exchangeable into  or exercisable for  Common Stock, without the
prior written  consent of  the  U.S. and  International Representatives,  for  a
period of 90 days after the date of this Prospectus, except for the Common Stock
offered hereby, up to 1,000,000 shares of Common Stock that may be issued by the
Company  in connection with business acquisitions,  and Common Stock that may be
issued pursuant to the Company's employee benefit plans.

                                       19
<PAGE>
                                 LEGAL MATTERS

    The validity  of the  shares offered  hereby  will be  passed upon  for  the
Company  by Wilson, Sonsini,  Goodrich & Rosati,  Professional Corporation, Palo
Alto, California. Kramer, Levin,  Naftalis, Nessen, Kamin  & Frankel, New  York,
New  York, are acting as counsel for the Selling Stockholders. Brown & Wood, San
Francisco, California, will act as counsel for the Underwriters.

                                    EXPERTS

    The financial  statements and  schedules included  in the  Company's  Annual
Report  on  Form  10-K  for  the  fiscal  year  ended  December  31,  1993,  and
incorporated by reference in this  Prospectus and elsewhere in the  Registration
Statement  relating to this Prospectus have been audited by Arthur Andersen LLP,
independent public  accountants,  as indicated  in  their reports  with  respect
thereto,  and are included  and incorporated by reference  therein and herein in
reliance upon the authority of said firm as experts in giving said reports.

                                       20
<PAGE>
- -------------------------------------------
                                     -------------------------------------------
- -------------------------------------------
                                     -------------------------------------------

    NO   PERSON  IS  AUTHORIZED   TO  GIVE  ANY  INFORMATION   OR  TO  MAKE  ANY
REPRESENTATION NOT CONTAINED  OR INCORPORATED BY  REFERENCE IN THIS  PROSPECTUS,
AND ANY INFORMATION OR REPRESENTATION NOT CONTAINED OR INCORPORATED BY REFERENCE
HEREIN  MUST NOT BE  RELIED UPON AS  HAVING BEEN AUTHORIZED  BY THE COMPANY, THE
SELLING STOCKHOLDERS OR ANY UNDERWRITER. THIS PROSPECTUS DOES NOT CONSTITUTE  AN
OFFER OF ANY SECURITIES OTHER THAN THE REGISTERED SECURITIES TO WHICH IT RELATES
OR  AN OFFER  TO ANY  PERSON IN ANY  JURISDICTION WHERE  SUCH AN  OFFER WOULD BE
UNLAWFUL. NEITHER THE  DELIVERY OF THIS  PROSPECTUS OR ANY  SALE MADE  HEREUNDER
SHALL,  UNDER ANY  CIRCUMSTANCES, CREATE AN  IMPLICATION THAT THERE  HAS BEEN NO
CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.

                            ------------------------

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                    PAGE
                                                    -----
<S>                                              <C>
Available Information..........................           2
Additional Information.........................           2
Incorporation of Certain Documents by
 Reference.....................................           2
Prospectus Summary.............................           3
Risk Factors...................................           5
Use of Proceeds................................           6
Capitalization.................................           7
Price Range of Common Stock and Dividend
 Policy........................................           7
Selected Financial Data........................           8
Management's Discussion and Analysis of
 Financial Condition and Results of
 Operations....................................           9
Business.......................................          11
Executive Officers.............................          14
Selling Stockholders...........................          15
Certain United States Federal Tax Consequences
 to Non-United States Holders..................          15
Underwriting...................................          18
Legal Matters..................................          20
Experts........................................          20
</TABLE>

                                5,100,000 SHARES

                                  ROBERT HALF
                               INTERNATIONAL INC.

                                  COMMON STOCK

                             ---------------------

                                   PROSPECTUS

                             ---------------------

                              MERRILL LYNCH & CO.
                            WILLIAM BLAIR & COMPANY

                                           , 1994

- -------------------------------------------
                                     -------------------------------------------
- -------------------------------------------
                                     -------------------------------------------
<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.
<PAGE>
                             SUBJECT TO COMPLETION
                PRELIMINARY PROSPECTUS DATED SEPTEMBER 27, 1994

PROSPECTUS
                                5,100,000 SHARES

                         ROBERT HALF INTERNATIONAL INC.

                                  COMMON STOCK
                              -------------------

    Of the 5,100,000 shares  of Common Stock being  offered, 100,000 shares  are
being  sold by Robert Half International  Inc. (the "Company") and 5,000,000 are
being sold for the account of certain stockholders of the Company (the  "Selling
Stockholders").  Of  the  5,100,000  shares  of  Common  Stock  offered  hereby,
1,020,000 shares are being offered outside  the United States and Canada by  the
International   Underwriters  and  4,080,000  shares  are  being  offered  in  a
concurrent offering in the  United States and Canada  by the U.S.  Underwriters.
The Company will not receive any of the proceeds of the sale of the shares being
sold  by the Selling Stockholders.  The Company's Common Stock  is traded on the
New York Stock Exchange under the symbol "RHI". On             , 1994, the  last
reported  sale price  of the  Common Stock  on the  New York  Stock Exchange was
$      per share.
                              -------------------

    SEE "RISK  FACTORS" FOR  A  DISCUSSION OF  CERTAIN  MATTERS THAT  SHOULD  BE
CONSIDERED BY PROSPECTIVE INVESTORS.
                              -------------------

THESE  SECURITIES HAVE  NOT BEEN APPROVED  OR DISAPPROVED BY  THE SECURITIES AND
   EXCHANGE COMMISSION  OR  ANY  STATE  SECURITIES  COMMISSION  NOR  HAS  THE
     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>
                                                                                                         PROCEEDS TO
                                               PRICE TO          UNDERWRITING        PROCEEDS TO           SELLING
                                                PUBLIC           DISCOUNT(1)          COMPANY(2)         STOCKHOLDERS
<S>                                       <C>                 <C>                 <C>                 <C>
Per share...............................          $                   $                   $                   $
Total (3)...............................          $                   $                   $                   $
<FN>
(1) The  Company and  the  Selling Stockholders  have  agreed to  indemnify  the
    several  Underwriters  against  certain  liabilities,  including liabilities
    under the Securities Act of 1933. See "Underwriting."
(2) Before deduction of  expenses payable by                       estimated  at
    $      .
(3)  The  Company  has  granted  the  International  Underwriters  and  the U.S.
    Underwriters options exercisable  within 30  days after the  date hereof  to
    purchase  up  to  102,000 and  408,000  additional shares  of  Common Stock,
    respectively,  in  each   case  to  cover   over-allotments,  if  any.   See
    "Underwriting." If all such shares are purchased, the total Price to Public,
    Underwriting  Discount and Proceeds to Company will be  $      ,  $      and
    $      , respectively.
</TABLE>

                              -------------------

    The shares of Common Stock are being offered by the Underwriters, subject to
prior sale, when,  as and  delivered to and  accepted by  the Underwriters,  and
subject to the approval of certain legal matters by counsel for the Underwriters
and to certain other conditions. The Underwriters reserve the right to withdraw,
cancel  or modify any offer and  to reject any order in  whole or in part. It is
expected that delivery of the shares of  Common Stock will be made in New  York,
New York on or about            , 1994.
                              -------------------

          MERRILL LYNCH INTERNATIONAL LIMITED WILLIAM BLAIR & COMPANY
                                  ------------

                The date of this Prospectus is           , 1994.
<PAGE>
                                  UNDERWRITING

    Subject  to the terms and conditions set  forth in a purchase agreement (the
"International Purchase Agreement"),  the Company and  the Selling  Stockholders
have  agreed  to  sell  to  the  International  Underwriters  named  below  (the
"International Underwriters"),  and  the International  Underwriters,  for  whom
Merrill  Lynch International Limited  and William Blair &  Company are acting as
lead managers (the  "International Representatives"), have  severally agreed  to
purchase,  the  number  of  shares  of Common  Stock  set  forth  opposite their
respective names below.

<TABLE>
<CAPTION>
                                                                       NUMBER OF
             INTERNATIONAL UNDERWRITER                                  SHARES
- --------------------------------------------------------------------   ---------
<S>                                                                    <C>
Merrill Lynch International Limited.................................
William Blair & Company.............................................

                                                                       ---------
          Total.....................................................   1,020,000
                                                                       ---------
                                                                       ---------
</TABLE>

    The Company and the Selling Stockholders  have also entered into a  purchase
agreement  (the "U.S. Purchase  Agreement" and, together  with the International
Purchase Agreement, the  "Agreements") with certain  underwriters in the  United
States  and Canada  (the "U.S. Underwriters"),  for whom  Merrill Lynch, Pierce,
Fenner  &  Smith  Incorporated  and  William  Blair  &  Company  are  acting  as
representatives   (the  "U.S.  Representatives").  Subject   to  the  terms  and
conditions set forth in the U.S. Purchase Agreement, the Company and the Selling
Stockholders have  agreed  to  sell  to the  U.S.  Underwriters,  and  the  U.S.
Underwriters have severally agreed to purchase, an aggregate of 4,080,000 shares
of   Common  Stock.  The  initial  public  offering  price  per  share  and  the
underwriting discount per share are  identical under the International  Purchase
Agreement and the U.S. Purchase Agreement.

    In the International Purchase Agreement and the U.S. Purchase Agreement, the
several   International   Underwriters   and  the   several   U.S.  Underwriters
(collectively, the "Underwriters"),  respectively, have agreed,  subject to  the
terms  and conditions set forth therein, to purchase all of the shares of Common
Stock being sold pursuant to such Agreement if any of the shares of Common Stock
being sold pursuant to such Agreement are purchased. The International  Purchase
Agreement  provides  that,  in  the  event  of  a  default  by  an International
Underwriter,  the  purchase  commitments  of  the  non-defaulting  International
Underwriters  may in certain  circumstances be increased,  and the U.S. Purchase
Agreement provides that, in the  event of a default  by a U.S. Underwriter,  the
purchase  commitments  of the  non-defaulting U.S.  Underwriters may  in certain
circumstances be increased. The closing with  respect to the sale of the  shares
of  Common Stock pursuant to the International Purchase Agreement is a condition
to the closing with respect to the  sale of the shares of Common Stock  pursuant
to  the U.S. Purchase Agreement, and the closing with respect to the sale of the
shares of Common Stock pursuant to the U.S. Purchase Agreement is a condition to
the closing with respect to the sale  of the shares of Common Stock pursuant  to
the International Purchase Agreement.

    The  International Underwriters and the  U.S. Underwriters have entered into
an intersyndicate agreement (the "Intersyndicate Agreement") which provides  for
the  coordination of  their activities.  Under the  terms of  the Intersyndicate
Agreement,  the  International  Underwriters  and  the  U.S.  Underwriters   are
permitted to sell shares of Common Stock to each other.

    The   International  Representatives  have  advised  the  Company  that  the
International Underwriters propose initially to offer the shares of Common Stock
offered hereby to the public at the public offering price set forth on the cover
page of this Prospectus and to certain  dealers at such price less a  concession
not in excess of $      per share. The International Underwriters may allow, and
such  dealers may reallow, a discount not in excess of $      per share on sales
to other dealers. After the initial public offering, the public offering  price,
concession and discount may be changed.

                                       18
<PAGE>
    The  Company  has  granted  to  the  International  Underwriters  an option,
exercisable for  30  days after  the  date hereof,  to  purchase up  to  102,000
additional  shares  of Common  Stock  and to  the  U.S. Underwriters  an option,
exercisable for  30  days after  the  date hereof,  to  purchase up  to  408,000
additional shares of Common Stock, in each case solely to cover over-allotments,
if  any, at the initial public offering price less the underwriting discount. To
the extent that the International Underwriters exercise this option, each of the
International Underwriters will be obligated, subject to certain conditions,  to
purchase  approximately the same  percentage of such shares  which the number of
shares of Common Stock to be purchased by it shown in the foregoing table  bears
to  the  total number  of  shares of  Common  Stock initially  purchased  by the
International Underwriters.

    Under the terms of the  Intersyndicate Agreement, the U.S. Underwriters  and
any  dealer to whom they sell shares of  Common Stock will only offer to sell or
sell shares  of Common  Stock to  persons whom  they believe  are United  States
Persons  or Canadian Persons (as defined  in the Intersyndicate Agreement) or to
persons whom they believe intend to reoffer or resell the same to United  States
Persons  or Canadian Persons,  and the International  Underwriters and any bank,
broker or dealer to whom they sell shares of Common Stock will not offer to sell
or sell shares of Common Stock to persons whom they believe to be United  States
Persons or Canadian Persons or to persons whom they believe intend to reoffer or
resell  the same to  United States Persons  or Canadian Persons,  except in each
case for  transactions pursuant  to the  Intersyndicate Agreement  which,  among
other things, permits the Underwriters to purchase from each other and offer for
resale  such number  of shares  of Common  Stock as  the selling  Underwriter or
Underwriters and the purchasing Underwriter or Underwriters may agree.

    Under the  terms  of  the  Agreement Among  Managers  entered  into  by  the
International  Underwriters, each International Underwriter  has agreed that (i)
it has not offered or sold and will not offer or sell, in the United Kingdom  by
means  of any document, any  shares of Common Stock  other than to persons whose
ordinary business  it  is  to buy  or  sell  shares or  debentures,  whether  as
principal  or agent (except in circumstances which do not constitute an offer to
the public within the meaning of the  Companies Act 1985); (ii) it has  complied
and  will comply  with all applicable  provisions of the  Financial Services Act
1986 with respect to  anything done by  it in relation to  the shares of  Common
Stock  offered hereby  in, from or  otherwise involving the  United Kingdom; and
(iii) it has only  issued or passed  on and will  only issue or  pass on to  any
person  in the United Kingdom any document received by it in connection with the
issue of the shares  of Common Stock if  that person is of  a kind described  in
Article  9(3)  of the  Financial Services  Act 1986  (Investment Advertisements)
(Exemptions) order 1988, as amended,  or is a person  to whom such document  may
otherwise lawfully be issued or passed on.

    The  Company  and  the Selling  Stockholders  have agreed  to  indemnify the
Underwriters  against  certain  liabilities,  including  liabilities  under  the
Securities Act of 1933, as amended.

    The Company has agreed not to sell, offer to sell, grant any option for sale
of,  or otherwise  dispose of,  any shares  of Common  Stock, or  any securities
convertible or exchangeable into  or exercisable for  Common Stock, without  the
prior  written  consent of  the U.S.  and  International Representatives,  for a
period of 90 days after the date of this Prospectus, except for the Common Stock
offered hereby, up to 1,000,000 shares of Common Stock that may be issued by the
Company in connection with  business acquisitions and Common  Stock that may  be
issued pursuant to the Company's employee benefit plans.

                                       19
<PAGE>
- -------------------------------------------
                                     -------------------------------------------
- -------------------------------------------
                                     -------------------------------------------

    NO   PERSON  IS  AUTHORIZED   TO  GIVE  ANY  INFORMATION   OR  TO  MAKE  ANY
REPRESENTATION NOT CONTAINED  OR INCORPORATED BY  REFERENCE IN THIS  PROSPECTUS,
AND ANY INFORMATION OR REPRESENTATION NOT CONTAINED OR INCORPORATED BY REFERENCE
HEREIN  MUST NOT BE  RELIED UPON AS  HAVING BEEN AUTHORIZED  BY THE COMPANY, THE
SELLING STOCKHOLDERS OR ANY UNDERWRITER. THIS PROSPECTUS DOES NOT CONSTITUTE  AN
OFFER OF ANY SECURITIES OTHER THAN THE REGISTERED SECURITIES TO WHICH IT RELATES
OR  AN OFFER  TO ANY  PERSON IN ANY  JURISDICTION WHERE  SUCH AN  OFFER WOULD BE
UNLAWFUL. NEITHER THE  DELIVERY OF THIS  PROSPECTUS OR ANY  SALE MADE  HEREUNDER
SHALL,  UNDER ANY  CIRCUMSTANCES, CREATE AN  IMPLICATION THAT THERE  HAS BEEN NO
CHANGE IN THE AFFAIRS OF THE COMPANY SINCE THE DATE HEREOF.

                            ------------------------

                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                    PAGE
                                                    -----
<S>                                              <C>
Available Information..........................           2
Additional Information.........................           2
Incorporation of Certain Documents by
 Reference.....................................           2
Prospectus Summary.............................           3
Risk Factors...................................           5
Use of Proceeds................................           6
Capitalization.................................           7
Price Range of Common Stock and Dividend
 Policy........................................           7
Selected Financial Data........................           8
Management's Discussion and Analysis of
 Financial Condition and Results of
 Operations....................................           9
Business.......................................          11
Executive Officers.............................          14
Selling Stockholders...........................          15
Certain United States Federal Tax Consequences
 to Non-United States Holders..................          15
Underwriting...................................          18
Legal Matters..................................          20
Experts........................................          20
</TABLE>

                                5,100,000 SHARES

                                  ROBERT HALF
                               INTERNATIONAL INC.

                                  COMMON STOCK

                             ---------------------

                                   PROSPECTUS

                             ---------------------

                      MERRILL LYNCH INTERNATIONAL LIMITED
                            WILLIAM BLAIR & COMPANY

                                           , 1994

- -------------------------------------------
                                     -------------------------------------------
- -------------------------------------------
                                     -------------------------------------------
<PAGE>
                                    PART II

ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.

    The   following  table  sets  forth   the  estimated  expenses,  other  than
underwriting discounts and commissions,  to be incurred  in connection with  the
offering:

<TABLE>
<CAPTION>
                                                                                     PAYABLE BY
                                                                        PAYABLE BY    SELLING
                                                                         COMPANY     STOCKHOLDERS
                                                                        ----------   ----------
<S>                                                                     <C>          <C>
SEC Registration Fee..................................................  $   ,        $   ,
NASD Filing Fee.......................................................      ,            ,
NYSE Listing Fee......................................................      ,            ,
Blue Sky Fees and Expenses............................................      ,            ,
Printing and Engraving Costs..........................................      ,            ,
Legal Fees and Expenses...............................................      ,            ,
Accounting Fees and Expenses..........................................      ,            ,
Transfer Agent Fees and Expenses......................................      ,            ,
Miscellaneous.........................................................      ,            ,
                                                                        ----------   ----------
  Total...............................................................  $   ,        $   ,
                                                                        ----------   ----------
                                                                        ----------   ----------
</TABLE>

ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.

    RESTATED  CERTIFICATE OF INCORPORATION.  Section 145 of the Delaware General
Corporation Law authorizes a corporation to indemnify its directors and officers
under the terms and circumstances described therein. The Restated Certificate of
Incorporation of  the  Registrant  provides  that  each  director,  officer  and
employee of the Company shall be indemnified and held harmless by the Company to
the  fullest extent authorized  by the Delaware  General Corporation Law against
all expenses, liabilities and losses incurred or suffered by such individual  in
his  capacity as  director, officer  or employee.  The right  to indemnification
contained in  the  Restated Certificate  of  Incorporation includes  the  right,
subject  to the conditions  contained therein, to be  reimbursed for expenses in
advance of  the  final  disposition  of any  action,  suit  or  proceeding.  The
Registrant  has entered into Indemnity Agreements with each of its directors and
certain executive officers (the form of which Indemnity Agreements was  approved
by the Company's stockholders in May 1989) that provide, among other things, for
(a)  indemnification,  under  the  terms  and  circumstances  described  in  the
Indemnity Agreements, to the  fullest extent not  prohibited by applicable  law,
against  any and  all expenses and  liabilities resulting from  service with the
Company and (b) advancement to the individual of expenses reasonably incurred in
connection with any  threatened or actual  action, suit or  proceeding in  which
such  individual is involved  by reason of  having been a  director, officer, or
employee. The Company  has insured  its directors and  officers against  certain
liabilities and has insurance against certain payments which it may be obligated
to  make  to such  persons  pursuant to  the  indemnification provisions  of its
Restated Certificate of  Incorporation or pursuant  to the Indemnity  Agreements
described above.

ITEM 16.  EXHIBITS.

<TABLE>
<CAPTION>
NUMBER                                             EXHIBIT
- ------    ------------------------------------------------------------------------------------------
<C>       <S>
  1       Purchase Agreements (to be filed by amendment).

  4.1     Restated Certificate of Incorporation, incorporated by reference to Exhibit 3.1 to
           Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 1994.

  4.2     Rights Agreement, dated as of July 23, 1990, between the Registrant and Manufacturers
           Hanover Trust Company of California, incorporated by reference to (i) Exhibit 1 to the
           Registrant's Registration Statement on Form 8-A for its Preferred Share Purchase Rights,
           which Registration Statement was filed with the Commission on July 30, 1990, (ii) Exhibit
           19.1 to the Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended
           September 30, 1990 and (iii) Exhibit 3 to Registrant's Form 8-A/A Amendment No. 2 filed
           on December 2, 1993.
</TABLE>

                                      II-1
<PAGE>
<TABLE>
<CAPTION>
NUMBER                                             EXHIBIT
- ------    ------------------------------------------------------------------------------------------
<C>       <S>
  5       Opinion of Wilson, Sonsini, Goodrich & Rosati, P.C. (to be filed by amendment).

 23.1     Consent of Arthur Andersen LLP

 23.2     Consent of Wilson, Sonsini, Goodrich & Rosati, P.C. (contained in Exhibit 5) (to be filed
           by amendment).
</TABLE>

ITEM 17.  UNDERTAKINGS.

    (b)   The  undersigned registrant  hereby undertakes  that, for  purposes of
determining any liability under the Securities  Act of 1933, each filing of  the
registrant's  annual report  pursuant to Section  13(a) or Section  15(d) of the
Securities Exchange  Act  of 1934  that  is  incorporated by  reference  in  the
registration  statement  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.

    (h)  Insofar as indemnification for liabilities arising under the Securities
Act  of 1933 may be permitted to  directors, officers and controlling persons of
the registrant pursuant to  the provisions described  herein, or otherwise,  the
registrant  has been advised that in the  opinion of the Securities and Exchange
Commission such indemnification  is against  public policy as  expressed in  the
Securities  Act of 1933  and is, therefore,  unenforceable. In the  event that a
claim for indemnification against  such liabilities (other  than 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 of  whether such
indemnification by it is  against public policy as  expressed in the  Securities
Act of 1933 and will be governed by the final adjudication of such issue.

    (i)  The undersigned registrant hereby undertakes that:

        (1)  For purposes of determining any  liability under the Securities Act
    of 1933, the information omitted from  the form of prospectus filed as  part
    of  this registration statement in reliance on  Rule 430A and contained in a
    form of prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4)
    under the Securities  Act shall  be deemed to  be part  of the  registration
    statement as of the time it was declared effective.

        (2)  For purposes of determining any  liability under the Securities Act
    of 1933, 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-2
<PAGE>
                                   SIGNATURES

    Pursuant  to the requirements of the  Securities Act of 1933, the registrant
certifies that it has  reasonable grounds to  believe that it  meets all of  the
requirements  for  filing on  Form  S-3 and  has  duly caused  this registration
statement to  be  signed  on  its behalf  by  the  undersigned,  thereunto  duly
authorized in the City of Menlo Park, State of California on September 26, 1994.

                                              ROBERT HALF INTERNATIONAL INC.
                                                       (Registrant)

                                          By:        /s/  M. KEITH WADDELL

                                             -----------------------------------
                                                      M. Keith Waddell
                                                SENIOR VICE PRESIDENT, CHIEF
                                             FINANCIAL OFFICER AND TREASURER
                                              (PRINCIPAL FINANCIAL OFFICER)

    KNOW  ALL MEN  BY THESE PRESENTS,  that each person  whose signature appears
below constitutes and  appoints Harold  M. Messmer,  Jr. and  M. Keith  Waddell,
jointly   and  severally,  his   attorney-in-fact,  each  with   full  power  of
substitution, for him in any and all capacities, to sign any amendments to  this
registration  statement, and to  file the same, with  exhibits thereto and other
documents in connection therewith, with the Securities and Exchange  Commission,
hereby  ratifying and confirming all that each of said attorneys-in-fact, or his
substitute or substitutes, may do or cause to be done by virtue hereof.

    Pursuant  to  the  requirements  of   the  Securities  Act  of  1933,   this
registration  statement  has  been  signed  by  the  following  persons  in  the
capacities and on the dates indicated.

<TABLE>
<CAPTION>
                         NAME                                         TITLE                         DATE
- ------------------------------------------------------  ---------------------------------  ----------------------
<C>                                                     <S>                                <C>

                                                        Chairman of the Board, President,
                 /s/  HAROLD M. MESSMER, JR.             Chief Executive Officer, and a
     -------------------------------------------         Director (Principal Executive       September 26, 1994
                Harold M. Messmer, Jr.                   Officer)

                 /s/  ANDREW S. BERWICK, JR.
     -------------------------------------------        Director                             September 23, 1994
                Andrew S. Berwick, Jr.

     -------------------------------------------        Director                             September   , 1994
                  Frederick P. Furth

                    /s/  EDWARD W. GIBBONS
     -------------------------------------------        Director                             September 26, 1994
                  Edward W. Gibbons

                        /s/  TODD GOODWIN
     -------------------------------------------        Director                             September 26, 1994
                     Todd Goodwin
</TABLE>

                                      II-3
<PAGE>
<TABLE>
<CAPTION>
                         NAME                                         TITLE                         DATE
- ------------------------------------------------------  ---------------------------------  ----------------------
<C>                                                     <S>                                <C>

     -------------------------------------------        Director                             September   , 1994
                 Frederick A. Richman

                       /s/  THOMAS J. RYAN
     -------------------------------------------        Director                             September 25, 1994
                    Thomas J. Ryan

     -------------------------------------------        Director                             September   , 1994
                  J. Stephen Schaub

                     /s/  M. KEITH WADDELL              Senior Vice President, Chief
     -------------------------------------------         Financial Officer and Treasurer     September 26, 1994
                   M. Keith Waddell                      (Principal Financial Officer)

                   /s/  BARBARA J. FORSBERG
     -------------------------------------------        Vice President and Controller        September 26, 1994
                 Barbara J. Forsberg                     (Principal Accounting Officer)
</TABLE>

                                      II-4
<PAGE>
                               INDEX TO EXHIBITS

<TABLE>
<CAPTION>
                                                                                                       SEQUENTIALLY
NUMBER                                             EXHIBIT                                             NUMBERED PAGE
- ------    ------------------------------------------------------------------------------------------   -------------
<C>       <S>                                                                                          <C>
  1       Purchase Agreements (to be filed by amendment).

  4.1     Restated Certificate of Incorporation, incorporated by reference to Exhibit 3.1 to
           Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended June 30, 1994.

  4.2     Rights Agreement, dated as of July 23, 1990, between the Registrant and Manufacturers
           Hanover Trust Company of California, incorporated by reference to (i) Exhibit 1 to the
           Registrant's Registration Statement on Form 8-A for its Preferred Share Purchase Rights,
           which Registration Statement was filed with the Commission on July 30, 1990, (ii) Exhibit
           19.1 to the Registrant's Quarterly Report on Form 10-Q for the fiscal quarter ended
           September 30, 1990 and (iii) Exhibit 3 to Registrant's Form 8-A/A Amendment No. 2 filed
           on December 2, 1993.

  5       Opinion of Wilson, Sonsini, Goodrich & Rosati, P.C. (to be filed by amendment).

 23.1     Consent of Arthur Andersen LLP

 23.2     Consent of Wilson, Sonsini, Goodrich & Rosati, P.C. (contained in Exhibit 5) (to be filed
           by amendment).
</TABLE>
<PAGE>
                                                                    EXHIBIT 23.1

                         CONSENT OF ARTHUR ANDERSEN LLP

    As independent public accountants, we hereby consent to the incorporation by
reference  in the registration statement of  our reports dated January 28, 1994,
included in the Annual Report on Form 10-K of Robert Half International Inc. for
the fiscal year  ended December  31, 1993,  and to  all references  to our  Firm
included in this registration statement.

                                          ARTHUR ANDERSEN LLP
September 26, 1994


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