EXHIBIT 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANT -------------------------------------------------- I hereby consent to the incorporation by reference in the March 31, 2002, Form 10-K of Commerce Group Corp., its Joint Venture, and its subsidiaries of my report dated May 10, 2002, which appears in the annual report on Form 10-K for the year ended March 31, 2002. Bruce Michael Redlin, CPA, LLC Certified Public Accountant /s/ Bruce Michael Redlin Milwaukee, Wisconsin May 10, 2002