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

Osler is proud to be recognized by International Tax Review for its leading national Tax and Tax Controversy practice in the 2026 edition of ITR World Tax.

Osler has once again earned coveted Tier 1 rankings across all four categories: Tax, Tax Controversy, Transactional Tax and Transfer pricing.

Congratulations to the seventeen partners of our National Tax and Tax Controversy practice who received individual recognition as Highly Regarded or Notable Practitioners, and to each of the seven women National Tax and Tax Controversy partners, who were also individually recognized as a Women in Tax Leader.

Tax Controversy

• Carrie D’Elia
• Gerald Grenon
• Amanda Heale
• Peter Macdonald
• Al Meghji
• Edward Rowe 
• Joanne Vandale

Corporate Tax

• Firoz Ahmed
• Mark Brender
• Colena Der
• Héléna Gagné
• Tim Hughes
• Alan Kenigsberg
• Kim Maguire
• Patrick Marley
• Robert Raizenne
• Manon Thivierge

The ITR World Tax 2026 is the International Tax Review’s annual comprehensive guide to the world’s leading tax firms. It provides rankings and profiles of the most effective tax practitioners in the world, covering more than 155 jurisdictions located on every continent.

Osler’s Tax Group is consistently recognized as a leading provider of tax law services in Canada. With practitioners located in offices in Toronto, Montréal, Calgary, Ottawa and Vancouver, Osler’s tax practice operates as an integrated unit and in partnership with our clients. The group develops sophisticated solutions for our clients’ most complex and important taxation issues and offers leading expertise in the following key areas: M&A, Corporate Reorganizations and Restructurings, Tax Advisory Services, Tax Controversy, Transfer Pricing, Canada/U.S. Cross-Border Tax Planning and Indirect Tax. For more information on the ITR World Tax guide, visit ITR’s website