ITR World Tax stands as the most comprehensive guide to the world's leading tax firms. We offer an invaluable resource to aid tax professionals in their quest for specialised advice. Our comprehensive directory meticulously assesses and profiles the most proficient tax practitioners and firms across the globe, encompassing over 140 jurisdictions located on every continent.

What sets World Tax apart from other rankings is its inclusivity of tax practitioners practicing in a diverse array of disciplines, spanning law firms, consultancies, and advisory groups. This unparalleled breadth ensures the most extensive and expansive coverage of any guide dedicated to the global tax market.

*The 2025 ITR World Tax Rankings is open for submissions. Click here to find out how to participate*