Exhibit 16.1 BROWN & BROWN Brown & Brown, LLP - Boston - Westborough Certified Public Accountants - Business and Financial Advisors August 8, 2006 Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Gentlemen: We have read the statements made by Investors Capital Holdings, Ltd., which we understand will be filed with the Securities and Exchange Commission, pursuant to Item 4.01 of Form 8-K, as part of the Form 8-K of Investors Capital Holdings, Ltd. dated August 8, 2006. We are in agreement with the statements concerning our Firm contained therein. Very truly yours, /s/ Brown & Brown - ----------------- Brown & Brown, LLP