Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation

Practices in the areas of health law, appellate litigation and commercial litigation with focuses on commercial arbitrations, business and contractual disputes, shareholder disputes, administrative and public law, tribunals and commissions, professional negligence discipline, employment disputes, and appeals Professional Achievements and Recognition Certified as a Specialist in Civil Litigation by the Law Society of Upper Canada Recognized and recommended by Lexpert as a leading lawyer in the...

Matt has a distinguished track record of success in complex, high-stakes disputes across multiple disciplines, including corporate and commercial litigation, insolvency litigation, fraud, and securities litigation. He has extensive experience in some of the most significant insolvency disputes in North America. Matt combines subject-matter expertise with creativity and ensures his litigation strategy aligns seamlessly with his clients’ long-term goals. Matt is highly regarded by clients...

Andrea Gonsalves is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Defamation and Media Law and Health Care Law. Andrea, who practices law in Toronto, Ontario, has been recognized since 2019. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrea is held by other top lawyers in the same geographic and legal practice area.

Adrienne is a partner in the litigation department, with a practice that focuses on all aspects of franchise litigation and dispute resolution. She is widely recognized by her peers as a leading practitioner of Canadian franchise law. Adrienne is a trusted advisor to her clients. She provides legal and strategic advice to franchise businesses in all sectors, including the hotel, restaurant, retail cannabis, and grocery sectors, and is well-known for providing practical and business-oriented l...

Paul's practice includes corporate commercial litigation, securities litigation, class proceedings, professional liability, claims against directors and officers, employment litigation and professional liability and regulation. Fellow of the American College of Trial Lawyers and of the International Academy of Trial Lawyers. Certified as a Specialist in Civil Litigation by The Law Society of Upper Canada. Bilingual, argues cases in English and French before all levels of Court as well as trib...

Lynne O'Brien is a litigation lawyer based in Toronto. She has a broad commercial litigation and advisory practice in the areas of financial services, corporate governance, insolvency, securities regulation and fraud.Lynne also practises estate litigation, providing advice on a range of issues, including will challenges, dependent support and guardian applications, contested passing of accounts, estate administration and disputes involving trusts.She frequently conducts investigations for cli...

Jason is a “go-to” resource for clients who need timely and practical legal advice from an experienced courtroom litigator. Clients appreciate Jason’s ability to quickly get to the heart of their matter and provide a pragmatic, effective solution. Jason has acted as lead counsel in a broad range of complex insurance and commercial litigation disputes in areas include insurance coverage, construction defect disputes, directors’ and officers’ claims, professional n...

Crawford combines expertise with strategy to represent clients in corporate and commercial litigation, regulation, securities, professional liability, energy proceedings, insurance, competition litigation, public and administrative law, with substantial expertise in class actions. He has significant experience engaging complex disputes that demand subject-matter experience involving specialized and highly regulated industries in the energy, infrastructure, telecommunications, and financial se...

Melissa MacKewn has been widely and repeatedly recognized within the profession as one of Canada’s leading securities and corporate commercial litigation lawyers. Among other recognitions, Melissa has been twice voted by her peers as Best Lawyers Securities Lawyer of the Year and is part of a small and prestigious group of litigation lawyers in Canada selected by Best Lawyers, based on peer review, as “bet the company” litigation counsel. Melissa has one of the deepest and m...

Jordan Diacur is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation. Jordan, who practices law in Hamilton, Ontario, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jordan is held by other top lawyers in the same geographic and legal practice area.

Jennifer Danahy is a partner in the firm's Toronto office, practising exclusively in the area of environmental law. As a solicitor, Jennifer works proactively with clients to provide timely and practical legal advice on environmental matters. This includes providing advice to lenders, borrowers, vendors and purchasers in relation to the environmental aspects of corporate transactions, assisting clients with the design and implementation of Environmental Management Systems and Best Management ...

Todd Burke is a senior litigation partner in the firm's Ottawa office. His practice is focused on commercial litigation, professional liability and risk management. With over 20 years of experience, Todd has handled complex disputes for individuals, private and public companies, as well as government and other public agencies. His representation includes early case assessment, regular reporting, project management, e-discovery best practices, effective budgeting and vigorous representation. T...

Andrew C. Lewis is a top attorney recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation and Labour and Employment Law. Andrew C., who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Andrew C. is held by other top lawyers in the same geographic and legal practice area.

Massimo Starnino is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Insolvency and Financial Restructuring Law. Massimo, who practices law in Toronto, Ontario, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Massimo is held by other top lawyers in the same geographic and legal practice area.

Odette Soriano is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation and Corporate and Commercial Litigation. Odette, who practices law in Toronto, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Odette is held by other top lawyers in the same geographic and legal practice area.

Danny is an accomplished trial and appellate lawyer. He leads TGF’s construction and infrastructure practices. Danny regularly acts for public and private companies in construction, lien and insurance disputes. He has litigated disputes involving mines, transit systems, highways, railway systems, tunnels, aircraft, housing and condominium developments and environmental failures. Danny has worked on cases involving some of Ontario’s most complex infrastructure projects, including m...