EX-23.1 3 ex23-1.txt EXHIBIT 23.1 Exhibit 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 22, 2005 relating to the financial statements and financial statement schedules, which appears in Tower Group, Inc.'s Annual Report on Form 10-K for the year ended December 31, 2004. We also consent to the reference to us under the headings "Experts" in such Registration Statement. /s/ Johnson Lambert & Co. Reston, Virginia October 31, 2005