EX-23 6 c88121exv23.txt CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statement Form S-8 Nos. 033-63359, 333-64977, 333-66419, 333-73188, 333-101282 and 333-109892 of G&K Services, Inc. and in the related Prospectus of our reports dated August 13, 2004, with respect to the consolidated financial statements and schedule of G&K Services, Inc. included in this Form 10-K for the year ended July 3, 2004. /s/Ernst & Young LLP --------------------- Ernst & Young LLP Minneapolis, Minnesota September 14, 2004 27