Thompson, MacColl & Stacy LLP is a law firm in Mississauga, Ontario, founded in 1986 by Gerard V. Thompson, Charles R. MacColl, and James E. Stacy. It practices corporate and commercial law, commercial and civil litigation, real estate, family, employment, and wills and estates law.

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This firm’s lawyers at a glance

Called to the bar
1977–2007 · median 34 years in practice 2 of 4 lawyers
Law schools
Osgoode Hall Law School (2), Queen's University, University of Windsor 4 of 4 lawyers

Where to find them

Suite 5, 1020 Matheson Blvd East, Mississauga, Ontario L4W 4J9 · 905-625-5591

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Listing compiled from the firm’s public website in July 2026. Verify licence status in the Law Society of Ontario directory ↗