<PAGE>
EXHIBIT 23.5
INDEPENDENT AUDITOR'S CONSENT
To the Board of Directors and Stockholders of
Henderson Brothers Holdings, Inc.
We hereby consent to the use in the Prospectus constituting part of the
Registration Statement of LaBranche & Co Inc. on Amendment No. 1 to Form S-4 of
our report, dated February 16, 1998, on the consolidated statements of income,
cash flows, and changes in stockholders' equity of Henderson Brothers Holdings,
Inc. and subsidiary for the year ended December 31, 1997, which appear in such
Prospectus. We also consent to the reference to our firm under the caption
"Experts" in such Prospectus.
GOLDSTEIN GOLUB KESSLER & COMPANY, P.C.
New York, New York
June 13, 2000
