Overview
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Rankings
Osler, Hoskin & Harcourt LLP is nationally ranked in 27 practice areas and regionally awarded in 52 practice areas. Best Law Firms rankings are based on a rigorous evaluation process.
Read how Best Law Firms ranks firms"Law Firm of the Year" Awards (Canada)
2025 "Law Firm of the Year" in Appellate Practice
2025 "Law Firm of the Year" in Insolvency and Financial Restructuring Law
National Rankings
Tier 1
Tier 1 for Alternative Dispute Resolution
Tier 1 for Appellate Practice
Tier 1 for Class Action Litigation
Tier 1 for Construction Law
Tier 1 for Corporate and Commercial Litigation
Regional Rankings
Calgary
Tier 1 for Aboriginal Law / Indigenous Practice
Tier 1 for Administrative and Public Law
Tier 1 for Alternative Dispute Resolution
Tier 1 for Appellate Practice
Tier 1 for Bet-the-Company Litigation
Rankings
"Law Firm of the Year" Awards (Canada)
2025 "Law Firm of the Year" (Canada) in Appellate Practice
2025 "Law Firm of the Year" (Canada) in Insolvency and Financial Restructuring Law
National Rankings
Tier 1
Tier 1 for Alternative Dispute Resolution
Tier 1 for Appellate Practice
Tier 1 for Class Action Litigation
Tier 1 for Construction Law
Tier 1 for Corporate and Commercial Litigation
Tier 1 for Corporate Law
Tier 1 for Energy Law
Tier 1 for Insolvency and Financial Restructuring Law
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Privacy and Data Security Law
Tier 1 for Real Estate Law
Tier 1 for Securities Law
Tier 1 for Tax Law
Tier 2
Tier 2 for Aboriginal Law / Indigenous Practice
Tier 2 for Banking and Finance Law
Tier 2 for Competition / Antitrust Law
Tier 2 for Environmental Law
Tier 2 for Intellectual Property Law
Tier 2 for Labour and Employment Law
Tier 2 for Mining Law
Tier 2 for Natural Resources Law
Tier 2 for Personal Injury Litigation
Tier 3
Tier 3 for Advertising and Marketing Law
Tier 3 for Biotechnology and Life Sciences Practice
Tier 3 for Entertainment Law
Tier 3 for Leveraged Buyouts and Private Equity Law
Tier 3 for Trusts and Estates
Regional Rankings
Calgary
Tier 1 for Aboriginal Law / Indigenous Practice
Tier 1 for Administrative and Public Law
Tier 1 for Alternative Dispute Resolution
Tier 1 for Appellate Practice
Tier 1 for Bet-the-Company Litigation
Tier 1 for Class Action Litigation
Tier 1 for Corporate and Commercial Litigation
Tier 1 for Corporate Governance Practice
Tier 1 for Corporate Law
Tier 1 for Director and Officer Liability Practice
Tier 1 for Employee Benefits Law
Tier 1 for Energy Law
Tier 1 for Energy Regulatory Law
Tier 1 for Environmental Law
Tier 1 for Insolvency and Financial Restructuring Law
Tier 1 for Labour and Employment Law
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Natural Resources Law
Tier 1 for Oil and Gas Law
Tier 1 for Privacy and Data Security Law
Tier 1 for Real Estate Law
Tier 1 for Tax Law
Tier 2 for Competition / Antitrust Law
Tier 2 for Construction Law
Tier 2 for Securities Law
Tier 3 for Banking and Finance Law
Montréal
Tier 1 for Banking and Finance Law
Tier 1 for Biotechnology and Life Sciences Practice
Tier 1 for Cannabis Law
Tier 1 for Class Action Litigation
Tier 1 for Commercial Leasing Law
Tier 1 for Corporate and Commercial Litigation
Tier 1 for Corporate Law
Tier 1 for Director and Officer Liability Practice
Tier 1 for Employee Benefits Law
Tier 1 for Equipment Finance Law
Tier 1 for FinTech Practice
Tier 1 for Information Technology Law
Tier 1 for Insolvency and Financial Restructuring Law
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Privacy and Data Security Law
Tier 1 for Private Funds Law
Tier 1 for Product Liability Law
Tier 1 for Project Finance Law
Tier 1 for Real Estate Law
Tier 1 for Securities Law
Tier 1 for Tax Law
Tier 1 for Technology Law
Tier 1 for Trusts and Estates
Tier 1 for Venture Capital Law
Tier 2 for Asset-Based Lending Practice
Tier 2 for Corporate Governance Practice
Tier 2 for Leveraged Buyouts and Private Equity Law
Ottawa
Tier 1 for Intellectual Property Law
Toronto
Tier 1 for Advertising and Marketing Law
Tier 1 for Alternative Dispute Resolution
Tier 1 for Appellate Practice
Tier 1 for Banking and Finance Law
Tier 1 for Class Action Litigation
Tier 1 for Commercial Leasing Law
Tier 1 for Competition / Antitrust Law
Tier 1 for Construction Law
Tier 1 for Corporate and Commercial Litigation
Tier 1 for Corporate Governance Practice
Tier 1 for Corporate Law
Tier 1 for Defamation and Media Law
Tier 1 for Director and Officer Liability Practice
Tier 1 for Employee Benefits Law
Tier 1 for Energy Law
Tier 1 for Energy Regulatory Law
Tier 1 for Environmental Law
Tier 1 for FinTech Practice
Tier 1 for Franchise Law
Tier 1 for Health Care Law
Tier 1 for Information Technology Law
Tier 1 for Insolvency and Financial Restructuring Law
Tier 1 for Intellectual Property Law
Tier 1 for International Trade and Finance Law
Tier 1 for Labour and Employment Law
Tier 1 for Leveraged Buyouts and Private Equity Law
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Municipal Law
Tier 1 for Natural Resources Law
Tier 1 for Personal Injury Litigation
Tier 1 for Privacy and Data Security Law
Tier 1 for Private Funds Law
Tier 1 for Product Liability Law
Tier 1 for Project Finance Law
Tier 1 for Public Procurement Law
Tier 1 for Real Estate Law
Tier 1 for Securities Law
Tier 1 for Structured Finance Law
Tier 1 for Tax Law
Tier 1 for Technology Law
Tier 1 for Venture Capital Law
Tier 2 for Aboriginal Law / Indigenous Practice
Tier 2 for Asset-Based Lending Practice
Tier 2 for Entertainment Law
Tier 3 for Mining Law
Vancouver
Tier 1 for Banking and Finance Law
Tier 1 for Corporate and Commercial Litigation
Tier 1 for Corporate Governance Practice
Tier 1 for Corporate Law
Tier 1 for Energy Law
Tier 1 for FinTech Practice
Tier 1 for Insolvency and Financial Restructuring Law
Tier 1 for Mergers and Acquisitions Law
Tier 1 for Mining Law
Tier 1 for Securities Law
Tier 1 for Tax Law
Tier 1 for Technology Law
Tier 1 for Venture Capital Law
Tier 2 for Natural Resources Law
Are You Affliated With This Firm?
Create your profile to feature all of the most important information that existing and potential clients want to know about your firm.
Learn more about our marketing
opportunities
