Atty. Tommy Tremblay

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

26 yrs experience 26 year
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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).

Verified attorney profile · Updated June 2026

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 & Corporate Law

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

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 →

Frequently Asked

Common questions about Tommy Tremblay

What practice areas does Tommy Tremblay handle?
Tommy Tremblay focuses on business, litigation. Each practice area listed reflects experience handling cases of that type in their licensed jurisdictions.
How long has Tommy Tremblay practiced law?
Tommy Tremblay has 26+ years of legal experience and has been licensed since 2000.
How can I contact Tommy Tremblay for a consultation?
You can contact Tommy Tremblay directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Tommy Tremblay received?
Tommy Tremblay's notable recognition includes: Best Lawyers in America — Corporate and Commercial Litigation; Best Lawyers in America — Corporate Governance Practice; Best Lawyers in America — Director and Officer Liability Practice.

Awards

Best Lawyers in America — Corporate and Commercial Litigation
- 2026
Best Lawyers in America — Corporate Governance Practice
- 2026
Best Lawyers in America — Director and Officer Liability Practice
- 2026

Bar Admissions

Quebec, Barreau du Quebec
Admitted: 2000

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