RBA Group proudly announces its achievements in the ITR World Tax 2026 rankings. The ITR World Tax annual rankings identify the top tax practitioners, lawyers, and firms across more than 140 jurisdictions worldwide, making it the most comprehensive and widely respected guide for professionals in law firms, consultancies, and advisory groups.
Firm ranking
🏆 Singapore
- Notable – General Corporate Tax
🏆 Vietnam
- Tier 3 – Transfer Pricing
- Tier 3 – General Corporate Tax
Practitioner ranking
🏅 Highly Regarded
- Wolfram Gruenkorn, Chairman, Vietnam
- Till Morstadt, Managing Partner, Lorenz & Partners, Thailand
🏅 Notable Practitioner
- Pierre Vanrenterghem, Managing Partner
🏅 Rising Star
- Julien Tran, Country Manager, Vietnam
- Alexandre Ho Thanh, Head of Advisory Services
🏅 Promoted
- Sébastien Charrasse, Head of Legal Services
- Thuy Nguyen, Head of Accounting Services
- Simmy Runganaikaloo, Senior Accounting Manager
- Huyen Nguyen, Accounting Manager
- Nhu Thach, Accounting Manager
- Millie Tan, Senior Accounting
- Naowarat Karst, Partner, Head of Tax and Accounting, Lorenz & Partners, Thailand
- Steffen Kohrt, Business Advisor, German Attorney-at-Law, Lorenz & Partners, Thailand
This recognition reflects the dedication and excellence of our teams across regions and services. Congratulations to RBA and all practitioners. View the full ranking in Singapore and Vietnam.
