Mathews Dinsdale

About Mathews Dinsdale

Mathews Dinsdale & Clark LLP is a Canadian law firm that represents only employers, with a national head office on the 35th floor of The Well at 8 Spadina Avenue in Toronto and six more offices across Ontario, British Columbia, Alberta, Nova Scotia and New Brunswick. By its own account, the firm was founded more than seventy years ago as Canada's first law firm devoted entirely to workplace law. One of its co-founders, Beatrice Mathews (Lyons), was among the first women in Canada to become a partner in a law practice. The firm now has more than 90 professionals working across the country on labour relations, employment law, occupational health and safety, human rights, workers' compensation and business immigration, all for employer clients.

Mathews Dinsdale is the Canadian member of Ius Laboris, an alliance of workplace law firms with member firms in more than 50 countries. On January 1, 2026, Hunter Legal LLP joined Mathews Dinsdale. Best Lawyers in Canada 2026 recognized 33 of the firm's lawyers as leaders across seven practice areas, including Labour and Employment Law, Workers' Compensation Law, Employee Benefits Law, Immigration Law, Construction Law, Corporate & Commercial Litigation and Health & Safety Law, and The Legal 500 Canada has ranked the firm in its Elite Boutique tier for Labour and Employment.