BCF

60 Best Lawyers awards

BCF logo

Awarded Practice Areas

Class Action Litigation Construction Law Corporate and Commercial Litigation Insurance Law Professional Malpractice Law

Biography

Mario Welsh is a recognized leader in the field of civil and commercial litigation, construction law and professional liability. He has appeared before every level of federal or provincial court - from the Court of Québec to the Supreme Court of Canada as well as before various administrative tribunals. He joined BCF in 2014, and has since been managing partner of the Québec office.

Mario excels in several other areas of law, including class actions. He has been involved in some of the most important cases in Canadian history, including the pyrrhotite case in Trois-Rivières. He represented major organizations, including Loto-Québec, Hydro-Québec and the Autorité des marchés financiers in major class actions and has argued in several landmark cases in the country.

Mario’s unique expertise in construction law has earned him much recognition. He is listed in The Best Lawyers in Canada, the Canadian Legal Lexpert Directory. He was inducted in 2014 as a fellow of the Canadian College of Construction Lawyers Inc. He also lectures to various professional orders and construction industry stakeholders.

BCF

60 Best Lawyers awards

BCF logo

Overview

Client Testimonials

Awards & Focus

Lawyer of the Year Badge - 2020 - Construction Law Lawyer of the Year Badge - 2016 - Construction Law Lawyer of the Year Badge - 2013 - Construction Law
Named "Lawyer of the Year" by Best Lawyers® for:
  • Construction Law, Québec City, Canada (2020)
  • Construction Law, Québec City, Canada (2016)
  • Construction Law, Québec City, Canada (2013)
Recognized in The Best Lawyers in Canada 2026 for work in:
  • Class Action Litigation
  • Construction Law
  • Corporate and Commercial Litigation
  • Insurance Law
  • Professional Malpractice Law

Your browser is not fully compatible with our automatic printer friendly formatting.

Please use the print button to print this profile page.

Spinning circle Big letter B