NEW YORK, NY, USA, 17 December 2025 – Deloitte firms have secured 174 tier-one rankings in the 2026 World Tax guide by the International Tax Review (ITR). In this year’s edition, Deloitte’s tax and transfer pricing (TP) teams led in the rankings, earning tier-one status in 73 jurisdictions and tier-two rankings in 28 jurisdictions globally.
It’s an honor to earn the most tier-one placements in the 2026 edition. This recognition from the International Tax Review reflects Deloitte’s commitment to helping clients navigate an increasingly complex tax landscape. Deloitte is proud of this achievement, and we remain focused on delivering quality service and innovative solutions for clients.
—Brian Leonard, Deloitte Global International Tax leader
ITR independently researches tax and transfer pricing firms worldwide to publish its annual World Tax guide. The rankings are based on three core areas of excellence: client feedback, practical evidence, and peer feedback. Deloitte’s achievement of top-tier rankings across multiple practice areas underscores our strength in uniting multidisciplinary teams to deliver comprehensive, end-to-end solutions.
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Press contact(s):
Vicktery Zimmerman
Deloitte Global Communications
Tel: +1 312 486 1569
vzimmerman@deloitte.com