Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation

Nicholas Fitz is a senior lawyer with RAR Litigation Lawyers PC in Oakville, Ontario . He practices in Corporate and Commercial Litigation and is a member of the firm’s Commercial Litigation group. Nicholas represents institutions, public and private corporations, owner‑operated businesses, and individuals in a wide range of commercial disputes. His work includes contractual claims, shareholder and corporate disputes, debt enforcement, fraud and asset recovery, and regulatory and profes...

Gabrielle Cyr practices predominantly in the area of commercial litigation, procurement, international trade and white collar crime. Gabrielle has worked alongside senior counsel on numerous high-profile cases, including the largest public procurement in Canadian history (involving the replacement of Canadian military vessels), the Mark Norman case, and the independent review by EDC of its relationship with SNC-Lavalin in Angola. With a strong grounding in the law and an intense commitment to...

Mitchell is an experienced commercial litigator who has worked with a variety of clients across a number of different industries and jurisdictions. A strategic thinker who provides practical and commercially-oriented advice to his clients, Mitchell’s broad litigation practice includes a particular focus on complex commercial and corporate litigation and multi-jurisdictional litigation and arbitration. He has advised clients on complex contractual disputes, civil fraud matters, director ...

Jean-Simon Schoenholz is a versatile litigator with a bilingual, bijural practice that covers all types of civil, commercial, regulatory, administrative and constitutional matters. Jean-Simon has significant experience before the Federal Courts, he regularly appears before all levels of court in Ontario and before the Supreme Court of Canada. Jean-Simon is also licensed in Québec. He regularly works on complex matters and frequently advises clients on issues of public, regulatory and a...

Izabella is a dedicated litigator known for her pragmatic approach to resolving disputes. She offers thoughtful advice to manage the complexities and costs of litigation efficiently. Her practice covers a wide breath of complex corporate and commercial litigation matters, such as shareholder issues, complex breach of contract claims, commercial lease disputes as well as estate matters, including will contests and trust disputes. Izabella focuses on developing proactive resolution strategies a...

Alexandra Grishanova is a commercial litigator with particular expertise in securities litigation and administrative law. Her experience spans a wide range of matters, including regulatory proceedings, shareholder and partnership disputes, securities class actions, plans of arrangement, and contested transactions before securities regulators. She has appeared before all levels of court in Ontario, the New Brunswick Court of Appeal, the Supreme Court of Canada (on leave applications), and nume...

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

Jacob R.W. Damstra is a top attorney recognized by Best Lawyers in the practice area(s) of Appellate Practice, Corporate and Commercial Litigation, Health Care Law, Insurance Law and Medical Negligence. Jacob R.W., who practices law in London, Ontario, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jacob R.W. is held by other top lawyers in the same geographic and legal practice area.

Phil has a broad litigation practice with experience in corporate and commercial litigation, including multijurisdictional litigation, shareholder disputes, insolvency, regulatory matters, and arbitrations. Phil has counselled clients across a wide range of industries, including retail, real estate, energy, insurance, financial services, and telecommunications. Phil has appeared before the Ontario Superior Court and Court of Appeal, the Manitoba Court of Queen’s Bench, the Federal Court...

Golnaz Nayerahmadi is a top attorney recognized by Best Lawyers in the practice area(s) of Class Action Litigation, Corporate and Commercial Litigation and Product Liability Law. Golnaz, who practices law in Toronto, Ontario, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Golnaz is held by other top lawyers in the same geographic and legal practice area.

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

Veronica C. Tsou is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Intellectual Property Law. Veronica C., 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 Veronica C. is held by other top lawyers in the same geographic and legal practice area.

Jessica Warwick is a litigator with a wide-ranging dispute resolution, investigations, and regulatory practice. In her litigation practice, Jessica acts for businesses, institutions, and professionals in a broad spectrum of corporate and commercial disputes, insurance matters, and professional liability claims. She has appeared before all levels of court in Ontario. Jessica's investigations practice involves conducting internal investigations into alleged statutory violations and providing ad...

Cameron J.A. Rempel is a top attorney recognized by Best Lawyers in the practice area(s) of Aboriginal Law / Indigenous Practice and Corporate and Commercial Litigation. Cameron J.A., who practices law in Toronto, Ontario, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Cameron J.A. is held by other top lawyers in the same geographic and legal practice area.

Kartiga Thavaraj is a top attorney recognized by Best Lawyers in the practice area(s) of Construction Law and Corporate and Commercial Litigation. Kartiga, who practices law in Toronto, Ontario, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Kartiga is held by other top lawyers in the same geographic and legal practice area.

Madeleine Dusseault is a commercial litigator, and regularly achieves positive and cost-effective results for her clients. Madeleine has appeared before the Ontario Superior Court of Justice (including the Commercial List), the Divisional Court, the Ontario Court of Appeal, and in private arbitrations. Her areas of focus include commercial contract disputes, fraud claims, debt recovery, real estate litigation, shareholder disputes, defamation and professional liability. She also has considera...