EX-23.1 6 y06888exv23w1.txt EX-23.1: CONSENT OF EISNER LLP Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement No. 33-26261 on Form S-8 and Registration Statement Nos. 333-97531 and 333-11-611 on Form S-3 of GP Strategies Corporation of our report dated March 17, 2004 (except for the first paragraph of Note 7, as to which the date is March 31, 2004) included in this Annual Report on Form 10-K of GP Strategies Corporation, with respect to the consolidated financial statements of Five Star Products, Inc. and Subsidiaries (not shown separately herein). /s/ Eisner LLP New York, New York March 15, 2005