Atty. Tommy Tremblay
Tommy Tremblay is a partner with Langlois Lawyers in Montréal where his practice encompasses every aspect of commercial litigation but is focussed more specifically on the business governance sector (in particular, on matters related to director and officer liability), competition law, securities and white collar defence including administrative investigations and interactions with regulatory agencies on these matter. His governance experience has led him to also acquire specialized expertise in connection with governmental relations, including the laws governing political contributions and lo
Profile Summary
About Tommy Tremblay at a glance
Tommy Tremblay is a business and litigation attorney, practicing at Langlois Lawyers LLP. They have 26+ years of legal experience, licensed to practice since 2000. Admitted to practice in Quebec, Barreau du Quebec (2000). Recognitions include Best Lawyers in America — Corporate and Commercial Litigation (2026), Best Lawyers in America — Corporate Governance Practice (2026), and Best Lawyers in America — Director and Officer Liability Practice (2026).
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About
- Tommy Tremblay is a partner with Langlois Lawyers in Montréal where his practice encompasses every aspect of commercial litigation but is focussed more specifically on the business governance sector (in particular, on matters related to director and officer liability), competition law, securities and white collar defence including administrative investigations and interactions with regulatory agencies on these matter
- His governance experience has led him to also acquire specialized expertise in connection with governmental relations, including the laws governing political contributions and lobbying
- Tommy advises directors and officers regarding ethical corporate governance practices, specifically with respect to their duties and obligations towards various groups impacted by their decisions (shareholders, creditors, employees) and the obligations imposed on them by law
- Moreover, Tommy advises corporations and individuals on matters related to their obligations to prevent economic crimes and ensure compliance to competition law
- He represents them before the courts in both penal and civil proceedings (including class actions), when they are accused of an offence or alleged to be liable for damages
- Tommy also helps develop compliance programs that make it possible for companies to verify whether their employees and members of their administration are respecting statutory rules and exercising due diligence in various areas, specifically competition law, fraud prevention and corruption and lobbying
- He frequently assists clients in connection with investigations led by regulatory agencies and helps to set up internal investigation protocols for clients who suspect certain of their employees or executives of having committed irregularities (non-compliance with regulatory standards, fraud, etc.)
- Tommy also appears before various decision-making bodies, such as administrative tribunals, the Superior Court or Court of Appeal of Quebec
Practice Areas Explained
Tommy Tremblay's Areas of Practice
Each practice area below reflects the types of cases Tommy Tremblay handles, with a brief overview of what that area of law covers.
Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.
Tommy Tremblay is one of 501,317 business attorneys indexed nationally. Browse business attorneys →
Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.
Tommy Tremblay is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys →
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