About McCarthy Tétrault LLP

McCarthy Tétrault LLP is a national, full service business law firm with offices in Vancouver, Calgary, Toronto, Montreal and Quebec City, plus offices in New York and London, UK. The Toronto office is in the TD Bank Tower at 66 Wellington Street West, part of the Toronto-Dominion Centre in the city's Financial District. More than half of the firm's lawyers are located in Ontario. The firm's roots trace back to an 1855 law practice founded in Barrie, Ontario, and its current form dates to a merger of regional firms based in Toronto, Montreal, Vancouver and Calgary, including Montreal's Clarkson Tétrault, which brought the Tétrault name into the firm.

The firm says it became Canada's first national law firm in 1989, expanding into multiple provinces at a time when most Canadian firms practised out of a single city. Today it counts more than 800 lawyers across its Canadian and international offices, working in business and corporate law, litigation, tax, real property, and labour and employment law, along with newer areas such as class actions, construction, and technology and startups.

In the community

  • The Toronto office supports the United Way Campaign and says it raises close to $500,000 annually from staff, associates, counsel and partners.
  • Firm wide, McCarthy Tétrault made a five year, $5 million commitment to United Way Centraide, funding programs in Vancouver, Calgary, Toronto, Montreal and Quebec City that work to remove barriers to inclusion.
  • Lawyers in the Toronto office take part in Pro Bono Students Canada and other pro bono work, including advocacy for unrepresented minor refugee claimants, advocacy on educational issues for children, and support for local community groups.
  • The firm says its lawyers hold seats on boards of directors and volunteer in their communities.

Good to know

A person using a wheelchairWheelchair accessibleA calendar with a checkmark beside a clockBy appointment

This firm’s lawyers at a glance

Called to the bar
2008 · median 18 years in practice 1 of 31 lawyers

Where to find them

66 Wellington Street West, Suite 5300, TD Bank Tower, Box 48, Toronto, Ontario M5K 1E6 · 416-362-1812

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This listing was generated by AI from public sources in August 2026. It may contain errors, and we can’t guarantee it’s accurate or complete. Before you rely on anything here, verify it on the firm’s own website. Verify licence status in the Law Society of Ontario directory ↗

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