Blumenthal Richter Sumet & Schuler (BRS&S) is proud to announce that our Tax & Customs Practice has once again been recognized in the International Tax Review (ITR) World Tax 2026 rankings, marking another year of excellence and growth for the firm.
This year, we have received distinction as a Tier 2 firm in – General Corporate Tax and a Tier 3 firm in Customs.
These recognitions underscore the firm’s continued strength and commitment to providing sophisticated, practical tax and customs advice to high-net-worth individuals, investors, and multinational corporations doing business in Thailand.
At the individual level, Senior Partner Sumet Mingmongkolmitr, Head of the Tax & Customs Practice, continues to be recognized as a Highly Regarded Individual in both General Corporate Tax and Customs, reaffirming his longstanding reputation as one of the country’s foremost tax advisors.
We are also delighted to see Senior Associate Sudarat Jirakietwattana retain her recognition as a Rising Star in General Corporate Tax, a testament to her continued excellence and contribution to the practice.
In addition, this year marks the first-time recognitions of Partner Promboon Sooktatup and Senior Associate Chawin Luangpattarawong, who joined the firm in 2024, as Promoted Individuals in General Corporate Tax — reflecting the firm’s ongoing investment in developing the next generation of tax leaders.
The ITR World Tax guide remains one of the most comprehensive and respected global resources for identifying leading tax firms and professionals. Covering over 155 jurisdictions worldwide, it reflects feedback from thousands of clients and practitioners, highlighting firms that consistently demonstrate expertise and client trust.
Under the guidance of Senior Partner Sumet and the collective effort of the entire team, BRS&S’ Tax & Customs Practice as well as our Tax / M&A Practice continues to expand its capability, experience, expertise, and client service — positioning the firm as a trusted advisor in the Thai tax area.
