Rousseau Mazzuca LLP
15 lawyers · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 149 handling Construction Law.
15 lawyers · City of Toronto
One of 2,345 law firms listed in Toronto, and one of 149 handling Construction Law.
Rousseau Mazzuca LLP is headquartered in downtown Toronto, with a second office in Peterborough. Its team of about fifteen lawyers covers four areas: construction law, employment and labour law, commercial and corporate law, and litigation. The firm describes itself as serving Toronto, the GTA, and the rest of Ontario with 40+ years of experience, and its clients range from large and small businesses to trade unions and individual clients.
Aaron Rousseau is a founding partner of the firm. Rousseau began at a Bay Street firm, then moved to a specialized employment law firm before founding Rousseau Mazzuca, and has since appeared before labour arbitrators, the Ontario Human Rights Tribunal, and the Ontario Labour Relations Board. Michael Mazzuca earned a Master of Laws from Osgoode Hall Law School, a postgraduate diploma in legal studies from the College of Law in Sydney, and a Bachelor of Laws from Melbourne Law School. Mazzuca has been a teacher and lecturer of law courses at the university level and has published on construction and employment law. The firm belongs to the Toronto Construction Association.
Wheelchair accessibleThe firm's Toronto office is in the Thomson Building at 65 Queen Street West, a 24 storey tower built in 1970 on the southwest corner of Queen and Bay, in the middle of the city's financial core. The building connects directly into the PATH and the subway, and it sits across from Toronto's present and former City Halls, a stretch of downtown built for banking, government, and legal work.
Toronto, Ontario, M5H 2M5 · 416-304-9899
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Insurance LawListing compiled from the firm’s public website in August 2026. Verify licence status in the Law Society of Ontario directory ↗