Auaychai Sukawong is a partner and head of the regional tax practice at Tilleke & Gibbins. He is a highly accomplished lawyer with over 20 years’ experience practicing tax and regulatory law, and he is ranked by The Legal 500 Asia Pacific for his tax advisory expertise. He has particular expertise in foreign investment, mergers and acquisitions, reorganization, and inbound and outbound transactions.

Auaychai’s practice includes tax structuring for inbound and outbound investment in ASEAN, as well as outbound investment structuring for Southeast Asian companies expanding overseas—especially into China, the European Union, India, Japan, and the United States. He is renowned for his investment structuring planning, tax treaty interpretation, BEPS advisory and implementation work, tax implementation exercises related to business restructuring, reorganization advice in relation to M&A transactions, and due diligence.

In addition to the above, he advises Thailand-based and Thai-listed companies in the energy, petrochemical and refinery, oil and gas, infrastructure, consumer retail, media and entertainment, hospitality, and other sectors on tax and investment structures, including overseas business expansion and acquisition transactions. He also provides ongoing tax advice—including on day-to-day operations—and tax compliance services for various businesses active in Thailand.

Prior to joining Tilleke & Gibbins, Auaychai worked as a partner and senior tax advisor in the Bangkok offices of a Big Four professional services firms for over 10 years. He holds an LLM (adv.) from the International Tax Center of Leiden University as well as LLM and LLB degrees from Thammasat University.