Osler is proud to be recognized once again by International Tax Review for its leading national Tax and Tax Controversy practice in the 2025 edition of ITR World Tax.
Osler is one of the only Canadian tax practices to earn Tier 1 rankings across all four categories: Tax, Tax Controversy, Transactional Tax and Transfer pricing.
Osler congratulates the 21 members of our national Tax and Tax Controversy practice who received individual rankings, including six recognized as Women in Tax Leaders:
Tax Controversy
- Al Meghji (also World TP)
- Andrew Kingissepp (also World TP)
- Edward Rowe
- Pooja Mihailovich, Women in Tax leader
- Joanne Vandale, Women in Tax leader
- Amanda Heale, Women in Tax leader
- Carrie D’Elia, Women in Tax leader
- Gerald Grenon
- Peter Macdonald
- Louis Tassé
Corporate Tax
- Firoz Ahmed
- Patrick Marley
- Mark Brender
- Tim Hughes
- Manon Thivierge, Women in Tax leader
- Colena Der, Women in Tax leader
- Kim Maguire
- Héléna Gagné
- Robert Raizenne
- Alan Kenigsberg, Indirect Tax
The ITR World Tax 2025 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.