MAXCO, INC. AND SUBSIDIARIES EXHIBIT 23.1 - CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM--REHMANN ROBSON Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in Registration Statements (Forms S-8 No. 33-48351 and S-8 No. 333-67539) pertaining to the Maxco, Inc. Incentive Stock Option Plan and the Maxco, Inc. 1998 Stock Option Plan, and in the related prospectus of our report dated July 6, 2004 with respect to the consolidated financial statements of Maxco, Inc. included in the Annual Report (Form 10-K) for the year ended March 31, 2004. /S/ REHMANN ROBSON Troy, Michigan July 13, 2004