McCarthy Tétrault

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McCarthy Tétrault LLP
Limited liability partnership
Industry Law
Founded Toronto, (1855)
Headquarters Vancouver, Calgary, Toronto, Ottawa, Montreal, Quebec City and London (UK)
Products Legal advice
Number of employees
approx. 560 lawyers

McCarthy Tétrault LLP is a Canadian law firm that delivers integrated business law, litigation services, tax law, real property law, labour and employment law nationally and globally through offices in Vancouver, Calgary, Toronto, Montréal and Québec, as well as London, UK. It is one of the Seven Sisters (law firms) in Canada.

The firm represents Canadian and international clients, including major public institutions, financial services organizations, mining companies, manufacturers, pharmaceutical companies and other corporations.

McCarthy Tétrault’s London office specializes in assisting clients with their transatlantic transactions, and is staffed with both English and Canadian-qualified lawyers. A charter member of the Canada-UK Chamber of Commerce, it provides services in Europe, Africa and the Middle East.


McCarthy Tétrault was created through the merger of several firms: McCarthy & McCarthy of Toronto, Clarkson Tétrault of Montreal, Shrum Liddle & Hebenton of Vancouver, and Black & Company of Calgary.

This merger was initially denied by the Law Society of Alberta, which enacted rules designed to stop it. The rules prohibited members from entering into a partnership with anyone who was not a member ordinarily resident in Alberta, and prohibited members from being partners of more than one firm. This rule was challenged as being contrary to the mobility rights protected by the Charter of Rights and Freedoms.

In the resulting court case, Black v. Law Society of Alberta, the Supreme Court of Canada struck down the rules. The subsequent merger made McCarthy Tétrault Canada's first national law firm.

In 2010 Diane LaCalamita, a former lawyer at McCarthy Tétrault, sued them for discrimination on the grounds that she did not get a deserved promotion due to sexism.[1]

Board of Partners[edit]

Leadership Team[edit]

Quick Facts[edit]

  • Canada’s leading business law and litigation firm since 1855
  • Canada's first 'national' law firm — a significant development in the legal industry requiring approval from the Supreme Court of Canada
  • Approximately 500 lawyers in Vancouver, Calgary, Toronto, Montréal and Québec City, as well as London, UK
  • Canada’s top litigation firm for more than 150 years
  • One of the top Canadian financial services practices by leading national and international legal directories
  • One of the nation’s top-ranked tax law practices by leading tax directories
  • Rated the top real estate law firm in Canada by leading national and international legal directories
  • The only Canadian law firm to appear in the American Lawyer’s Global 100 for the eleventh year running

Notable alumni[edit]


  1. ^

External links[edit]