WeirFoulds LLP is one of Canada’s oldest and most prestigious law firms.
The firm is focused on four broad areas of practice: Litigation, Corporate, Property and Government Law. An impressively large percentage of the partners of WeirFoulds are leading practitioners in the firm’s chosen practice areas.
Firm Rankings
Recognized by our peers and colleagues as one of the top regional firms in Canadian Lawyer’s Top 10 Ontario Regional Firms survey
Consistently ranked in Novae Res Urbis’ Top 10 Development Law Firms in GTA
Chambers Canada Guide – Real Estate: Mainly Mid-Market (Ontario); Real Estate: Zoning/Land Use (Ontario)
Canadian Legal Lexpert Directory – Listed as a leading firm in Computer & IT Law; Construction Law; Corporate Commercial Law; Litigation – Corporate Commercial; Professional Liability; Property Development; Property Leasing; Technology Transactions
Liability; Property Development; Property Leasing; and Technology Transactions
Lexpert Special Editions – Litigation, Infrastructure, Global Mining, Energy, Technology
Best Lawyers in Canada
Benchmark Canada, the Guide to Canada’s Leading Litigation Firms and Attorneys – Recommended
The Globe and Mail – Canada’s Best Law Firms – Administrative & Public Law; Construction; Dispute Resolution (Litigation, Arbitration & Investigation); Real Estate
2023, 2022, 2020 Regional Law Firm of the Year – Ontario – Canadian Law Awards
2025 Award of Excellence in Civil Litigation – Ontario Bar Association – Frank Walwyn
2025 Construction & Infrastructure Award of Excellence – Canadian Bar Association – Glenn Ackerley
2025 Award of Excellence in Trusts and Estates Law – Ontario Bar Association – Clare Burns
2026 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Trusts and Estates – Clare Burns
2026 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Commercial Leasing Law – Karsten Lee
2026 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Defamation and Media Law – Carlos Martins
2026 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Expropriation Law – Chris Tzekas
2024 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Trusts and Estates Law – Lucinda Main
2024 Award for Distinguished Service – Ontario Bar Association – Lisa Borsook
2020 Joel Kuchar Award for Professionalism and Civility from the – Ontario Bar Association – Greg Richards
2019 Award of Excellence in Construction & Infrastructure Law – Ontario Bar Association – Sandra Astolfo
2019 Law Society Medal – Frank Walwyn
2019 Advocates’ Society Medal – Bryan Finlay KC
2017 Canadian Construction Association Award of Recognition – Glenn Ackerley
2016 Laura Legge Award – Law Society of Upper Canada – Lisa Borsook
2016 TCIC Chancellor’s Award of Excellence – Toronto Construction Association – Michael Swartz
2016 Award for Distinguished Service – Ontario Bar Association – Frank Walwyn
2016 Best Lawyers in Canada – Toronto “Lawyer of the Year” in Construction Law – Glenn Ackerley
Lexpert Rising Stars: Leading Lawyers Under 40 – Caroline Abela, James Kosa, Megan Mah, Kayla Theeuwen
PCMA Industry Advocacy Leadership Award of Recognition – David Brown
Award of Excellence in Real Estate – Ontario Bar Association – Lisa Borsook, Brad McLellan
Women’s Executive Network’s (WXN) Canada’s Most Powerful Women – Lisa Borsook
Lexpert Zenith Awards – Clare Burns, Frank Walwyn
Quick Facts on Current and Former Members of the Firm
Four Treasurers (heads) of the Law Society of Ontario
Fellows of the American College of Trial Lawyers
Honorary members of the Commercial Bar Association of England and Wales
Members of FICCI Arbitration and Conciliation Tribunal (FACT) – India’s leading arbitration institute
Past member of the Ontario Judicial Appointments Advisory Committee and the GTA Judicial Advisory Committee for Federal Judicial Appointments
Past President of the Canadian Association of Black Lawyers (CABL)
First recipient of the McMurtry Award from Pro Bono Law Ontario
First Chair of the Board of Directors of Ontario’s new Human Rights Legal Support Centre
First recipient of the Arleen Goss Award for Young Advocates from The Advocates’ Society
14 former partners made federally appointed judges
8 former partners appointed to Courts of Appeal in Canada, including former Ontario Chief Justice George Alexander Gale, Supreme Court of Canada Justice Roy Kellock and Ontario Court of Appeal Justice John Arnup
Current and former firm members honoured as Members and Officers of the Order of Canada and recipients of honorary degrees from major Canadian universities