Exhibit 16.1 Ernst & Young LLP August 22, 2003 Securities & Exchange Commission 450 Fifth Street N.W. Washington, D.C. 20549 Gentlemen: We have read Item 4 of the Form 8-K dated August 22, 2003, of Emergisoft Holding, Inc. and are in agreement with the statements contained in paragraphs one through three on page 2 therein. We have no basis to agree or disagree with other statements of the registrant contained therein. Sincerely, Ernst & Young LLP 4