Exhibit 23.1

            CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

      We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (No. 33-21735, No. 333-50293 and 333-131692) of KSW, Inc.
of our report dated March 5, 2008, relating to the consolidated financial
statements which are included in this Annual Report on Form 10-K.

J.H. Cohn LLP
White Plains, New York
March 5, 2008