Lawyer Profile
Matthew L. O. Certosimo
Toronto, Ontario
Overview
Matthew is certified by the Law Society of Ontario as a Specialist in Labour Law. He represents employers in labour and employment-related litigation, including wrongful dismissals and labour arbitration. He frequently appears before the courts, including at the appellate level. He also acts for employers in grievance arbitrations, matters before the Labour Relations Board, and in collective bargaining.
Practice Areas
Bar Information
Called to the bar: 1995 (ON)
Professional Details
Education
LLB, Dalhousie University, 1993
BA (Hons.), Wilfrid Laurier University, 1988
Awards & Recognition
Recognized in the 2026 edition (and since 2010) of The Best Lawyers in Canada (Labour and Employment Law). Recognized in the 2026 edition (and since 2016) of Chambers Canada - Canada's Leading Lawyers for Business (Employment & Labour: Ontario) and in the 2020 edition (Employment & Labour: Nationwide). Excels in representing employers across both the public and private sectors…He continues to represent major national clients in the full gamut of labour and employment matters. He is also adept at grievance arbitrations and collective bargaining. Recognized in the 2024 edition (and since 2009) of Lexpert/American Lawyer Guide to the Leading 500 Lawyers in Canada (Employment Law). Recogn