Civil Litigation Lawyers in Toronto
Lenczner Slaght
Lenczner Slaght is one of Canada’s premier litigation firms, consistently handling some of the highest‑profile corporate and commercial disputes in Toronto and nationwide. With thousands of cases and hundreds of days in court, the firm offers unmatched trial and appellate expertise in securities, breach of contract, professional liability, shareholder disputes, class actions, fraud, defamation, restructuring, insolvency, and more. Clients include large financial institutions, technology firms, senior executives, and public figures. Nationally recognized, they are often chosen for “bet‑the‑company” matters.
McCarthy Tétrault
McCarthy Tétrault is a national full-service law firm with a top‑ranked commercial litigation and dispute resolution practice. Based in Toronto, the firm is known for its depth in securities litigation, class actions, civil fraud, professional liability disputes, product liability, tax litigation, and financial services matters. The firm serves major Canadian and international corporations across industries including finance, energy, telecom, healthcare, and more. They consistently earn Band 1 status in Chambers Canada.
66 Wellington Street West, Suite 5300, TD Bank Tower Box 48 Toronto ON, M5K 1E6, CA
https://www.mccarthy.ca/
Blake, Cassels & Graydon LLP
Blakes is an international corporate law firm with a longstanding litigation practice recognized for complex commercial disputes, product liability, construction litigation, insurance & arbitration, and class actions. The firm represents major corporations across sectors including tech, financial services, infrastructure, and energy—often in multi-jurisdictional cases. Highly ranked in Chambers and Benchmark Litigation, Blakes combines global reach with deep trial experience.
199 Bay Street Suite 4000, Commerce Court West Toronto, Ontario, M5L 1A9
https://www.blakes.com/
Miller Thomson
Originally known as Miller, Thomson, Hicks & Sedgwick, the firm began in the heart of Toronto at 55 Yonge Street. Growth has been the signature of the Toronto office, starting with only six lawyers in 1957 and increasing to more than 160 lawyers today. The firm has added enhanced capabilities and strategic resources in many core areas of expertise to serve its steadily growing domestic and international client base. The Toronto office is now located in Scotia Plaza. This puts us in the very centre of Toronto’s financial district, steps away from the TSX, and home to the corporate headquarters of almost all of Canada’s chartered banks.
40 King Street West Suite 6600 Toronto, Ontario M5H 3S1 Canada
https://www.millerthomson.com/
Borden Ladner Gervais
BLG is among Canada’s largest and most respected full-service law firms, offering a high-caliber disputes practice. They handle litigation in areas like securities, arbitration, insurance, product liability, construction, healthcare, infrastructure, competition and competition class actions, and procurement disputes. Many of their litigators are former judges and senior counsel with extensive trial and appellate experience. The firm regularly wins national awards and is a top choice for complex, high-stakes civil litigation.
Bay Adelaide Centre, East Tower 22 Adelaide Street West Suite 3400 Toronto, ON, Canada M5H 4E3
https://www.blg.com/