Tax Tax

Olivier Fournier joins Osler’s National Tax Group as a tax litigation partner

Olivier’s practice focuses on tax litigation and controversy, advising Canadian and international clients on complex tax audits and disputes both...

Lexpert Special Edition: Finance and M&A 2026 recognizes 51 Osler lawyers

Congratulations to our lawyers recognized as leaders in the Lexpert Special Edition: Finance and M&A 2026.

Canada’s new transfer pricing law puts taxpayers ‘on notice’ – Bloomberg Law News

Canada’s new transfer pricing law is certain to increase the scope and intensity of CRA audits and controversies, says Amanda Heale.

179 Osler lawyers and 33 practice areas recognized in the 2026 Canadian Legal Lexpert Directory

Osler has been recognized as a market leader in the 2026 edition of The Canadian Legal Lexpert Directory.

Osler recognized as a leading firm in Chambers Global 2026 Guide

The results reflect the continued strength of our ongoing commitment to delivering exceptional outcomes for clients.

Osler recognized as a Tier 1 firm in ITR’s World Tax 2026

Osler has once again earned coveted Tier 1 rankings across all four categories.

Osler’s Tax Group earns top honours at ITR Americas Tax Awards 2025

Osler named Canada Tax Disputes Firm of the Year.

Osler lawyers recognized in Lexpert Special Edition: Restructuring and Insolvency 2025

Osler is proud to announce that 23 of our lawyers are recognized in the Lexpert Special Edition: Restructuring and Insolvency 2025. This prestigious...