EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 26, 2003 relating to the financial statements, which is incorporated by reference in Detwiler, Mitchell & Co's Form 10-K for the year ended December 31, 2002. /s/PricewaterhouseCoopers LLP Boston, Massachusetts May 2, 2003