Mathews, Dinsdale & Clark LLP
Mathews, Dinsdale & Clark LLP


Mathews Dinsdale is the only boutique labour and employment law firm in Canada with offices coast-to-coast, in British Columbia, Alberta, Ontario and Nova Scotia. Mathews Dinsdale was the first law firm in Canada, and one of the first in North America, to exclusively provide labour and employment law services to employers. For over 65 years, the Firm’s lawyers have been involved in many of the cases that have shaped and redefined workplace law in Canada.  

Mathews Dinsdale continues to enjoy a reputation as one of Canada’s leading labour and employment law firms, with the Firm’s lawyers regarded as some of the leading and most respected practitioners. The Firm is recognized by Lexpert for its expertise in Labour Relations and Construction Labour Relations across Canada. The Firm also has the largest, most experienced, and highest ranked Occupational Health & Safely and workers’ compensation combined practice in Canada and it has been repeatedly ranked by Canadian Lawyer Magazine in the “Top 10 Labour & Employment Boutiques in Canada”. The Globe and Mail recently recognized Mathews Dinsdale in its edition of Canada’s Best Law Firms 2023. 

Mathews Dinsdale represents both private and public sector employers with clients comprising Canada’s largest employers, both federally and provincially regulated.   

In the private sector, the Firm’s clients range from independent businesses to multi-national corporations, which operate in all sectors of the economy, including manufacturing, retail, construction and information technology. The Firm also has an extensive practice in the public and broader public sector, which includes the representation of municipalities, hospitals, school boards, emergency services providers and not-for-profit organizations.  

Mathews Dinsdale is also the sole Canadian member of Ius Laboris Global HR Lawyers, the world’s largest alliance of labour and employment law firms, which uniquely positions the Firm to assist employers with coordinated and seamless representation in jurisdictions outside of Canada.   


Mathews Dinsdale’s lawyers regularly appear on behalf of employers before provincial labour relations boards, the Canada Industrial Relations Board, arbitrators, provincial workers’ compensation boards, provincial human rights tribunals and various other federal and provincial boards and tribunals. They also represent employers before all levels of courts in wrongful dismissal actions, occupational health and safety matters, judicial reviews of decisions made by administrative tribunals, to obtain injunctive relief and to enforce competition and solicitation covenants. In addition to advocacy services, our lawyers also advise employers on matters such as collective bargaining, creating compliant human resources policies and avoiding the adverse labour relations and employment law consequences associated with the purchase, sale or restructuring of a business. 

Lexpert-Ranked Lawyers
B. Richard Baldwin
Year called to bar: 1974
Toronto, Ontario
Loretta M. Bouwmeester
Year called to bar: 2002
Calgary, Alberta
Mark D. Contini
Year called to bar: 1980
Toronto, Ontario
John D. R. Craig
Year called to bar: 1999
Toronto, Ontario
David J. Defrancesco
Year called to bar: 1998
Toronto, Ontario
Cheryl A. Edwards
Year called to bar: 1986
Toronto, Ontario
Tara Erskine
Year called to bar: 1996
Halifax, Nova Scotia
Allyson M. Fischer
Year called to bar: 2002
Toronto, Ontario
Jeffrey E. Goodman
Year called to bar: 1990
Toronto, Ontario
John Illingworth
Year called to bar: 2003
Toronto, Ontario
8 Spadina Ave, The Well, 35th Floor, Toronto, ON, Canada, M5V 0S8
(416) 862-8280
(416) 862-8247
Sault Ste. Marie
65 Willow Ave, Fl 2, Sault Ste. Marie, ON, Canada, P6B 5B1
(705) 253-3711
(705) 253-1102
201 Front St N, Suite 501, Sarnia, ON, Canada, N7T 7T9
(519) 336-5447
(519) 336-9181
400 Burrard St, Suite 1950, Sun Life Financial Ctr, Vancouver, BC, Canada, V6E 3A6
(604) 638-2050
(604) 638-2049
400 3rd Ave SW, Suite 4020, Calgary, AB, Canada, T2P 4H2
(403) 538-5041
(403) 538-5049
1801 Hollis St, Suite 1120, Halifax, NS, Canada, B3J 3N4
(902) 334-0434
1002 Wharf St, Victoria, BC, Canada, V8W 1T4
(250) 800-4641