Best Lawyers in Ontario, Canada for Corporate and Commercial Litigation

Michael Osborne advises and represents clients involved in competition and regulatory inquiries, criminal and administrative prosecutions, class actions and other competition litigation. His practice covers all aspects of competition law, including cartels, abuse of dominance, mergers, and marketing practices. He has expertise in a wide range of industries, including airlines, banking and payment systems, securities, waste, technology, pharmaceuticals, energy, manufacturing, and construction....

Domenic Crolla is a partner with the firm's Ottawa office. His practice emphasizes professional and product liability, health law, and information technology matters. He counsels clients in a litigious and non-litigious setting. Additionally, he has an active interest in the application of information technology to professional practice, particularly in relation to the practice of law and medicine. Domenic is an advocate before all levels of courts and administrative tribunals. He has appeare...

Andrew McCoomb's practice focuses on complex commercial and securities litigation, as well as competition, consumer protection and fraud disputes. He regularly acts for companies in the technology, financial services and transport sectors ranging from start-ups to multinationals. Andrew is also a member of the Canadian special situations team, which encompasses Canada's leading shareholder activist practice, sophisticated securities litigation and complex reorganization transactions.Andrew ha...

Roderick Winsor’s practice concentrates on commercial and insurance-related litigation including class actions. He has long held an Av peer-review rating by Martindale-Hubbell, its highest rating. He is recognized as a leading practitioner by Lexpert® Canadian Legal Directory and Best Lawyers® In Canada and is one of the 33 peer-selected Canadian lawyers listed in the World’s Guide to Leading Insurance and Reinsurance Lawyers (ExpertGuides: UK). In recent years Rod has con...

Paul carries a practice of complex disputes that demand subject-matter experience and understanding. He has expertise in contract disputes, infrastructure and construction disputes, health law, employment law, shareholder disputes, oppression claims, professional negligence, and product liability matters. Paul has appeared at all levels of court in Ontario, including as trial counsel in jury and non-jury matters, at the Federal Court and the Federal Court of Appeal, and in a range of administ...

Rachel Moses is a partner and member of the Corporate Restructuring, Insolvency & Advisory Group based in our Toronto office. With more than 25 years of experience, Rachel works closely with banks, financial institutions and commercial lenders on recovery and insolvency matters, as well as a wide range of commercial disputes. Known for her practical, no-nonsense approach, Rachel has become a trusted adviser to clients who value her accessibility, efficiency and hands-on involvement. She i...

Alistair Crawley is a founding partner of Crawley MacKewn Brush LLP and is one of Canada’s leading securities and corporate commercial litigation lawyers. Alistair’s practice includes all aspects of litigation and advice involving the capital markets and the securities industry, including investigations and enforcement hearings, contested corporate transactions and investment loss claims. Alistair has argued some of Canada’s most significant securities law cases, including t...

Pierre Champagne is a lawyer recognized by Best Lawyers in the practice area of Corporate and Commercial Litigation. Pierre practices law in Ottawa, Ontario Best Lawyers has recognized Pierre Champagne since 2024. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Pierre Champagne is held by other lawyers.

David Ziegler’s robust civil litigation and arbitration practice encompasses business-critical commercial and financial disputes, class actions, product liability matters, construction matters (including adjudications), and disputes requiring international arbitration. His vast experience acting for both Canada- and US-based companies is sought after for domestic and cross-border disputes, spanning a broad range of industries including mining, rail, professional services, insurance, ban...

Lindsay Scott is a top lawyer recognized by Best Lawyers in the practice area(s) of Corporate and Commercial Litigation and Labour and Employment Law. A partner at Paliare Roland Rosenberg Rothstein LLP, Lindsay is a business-minded litigator that finds practical solutions to a wide range of employment and commercial disputes. She regularly advises both executives and employers on termination and contract negotiations, compensation disputes, and other workplace issues, and is also frequently ...

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...

Megan Shortreed is a top lawyer recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Health Care Law, Labour and Employment Law and Trusts and Estates. Megan routinely represents clients in corporate, commercial, employment, civil, and administrative litigation. She argues cases involving shareholder and partnership disputes, duties of directors and employees, trusts and estates, product liability, and other complex commerci...

Emily Lawrence is a top lawyer recognized by Best Lawyers in the practice area(s) of Administrative and Public Law, Corporate and Commercial Litigation, Employee Benefits Law, Health Care Law and Labour and Employment Law. Emily Lawrence is the Managing Partner of Paliare Roland and maintains a busy litigation and advisory practice. Emily is trusted advisor and advocate for regulatory bodies, pension boards, employers, and partnerships, with substantial expertise in professional regulation, p...

Tanya A. Pagliaroli is a lawyer recognized by Best Lawyers in the practice areas of Corporate and Commercial Litigation and Medical Negligence. Tanya A. practices law in Toronto, Ontario Best Lawyers has recognized Tanya A. Pagliaroli since 2016. The Best Lawyers recognition is based on a peer-review survey of lawyers in the same geographic region and legal practice area. The recognition reflects the professional regard in which Tanya A. Pagliaroli is held by other lawyers.

Ryder practises complex litigation and dispute resolution encompassing corporate-commercial disputes, securities, tax, competition, defamation and class action litigation. He has extensive courtroom experience, having appeared at every level of court in Ontario, as well as the Court of Queen's Bench in New Brunswick, the Supreme Court of Canada, the Federal Court of Canada, the Federal Court of Appeal and the Tax Court of Canada as well as many administrative tribunals including the Competiti...

Gasper is a partner in our litigation department. Gasper's practice focuses on a broad range of complex matters, including both commercial and civil disputes. He has particular experience with commercial lease disputes, contractual disputes, construction law disputes, as well as debt collection matters. Gasper has appeared as counsel before the Ontario Superior Court of Justice; various administrative tribunals and both private mediations and arbitrations. Gasper has also assisted with variou...