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Thunwaraj Siribunyarit



Thunwaraj Siribunyarit is an associate in Tilleke & Gibbin’s corporate and commercial group in Bangkok, where she assists international and domestic companies in executing their business and investment strategies. With special experience facilitating foreign direct investment, she offers valuable advice on a wide range of complex corporate and commercial matters to ensure clients’ compliance with local laws and regulations.

She excels in providing guidance on corporate setup and closure for different types of juristic persons, as well as managing applications for various licenses, such as foreign business licenses and promotional privileges from the Board of Investment. Companies that work with Thunwaraj benefit from her exceptional skills in navigating complicated legal requirements to ensure the protection and progress of their business interests.

Thunwaraj holds an LLM in International Financial Law from King’s College London and an LLB in Business Law from Thammasat University. She also holds an ICDL Data Protection Certificate, specializing in personal data protection. Thunwaraj is licensed by the Lawyers Council of Thailand and is a qualified notarial services attorney.


  • Assisted in the preparation of a Board of Investment (BOI) application for an American multinational food manufacturing company, securing investment promotion privileges from the BOI.
  • Managed foreign business license (FBL) applications for leading European manufacturing companies, facilitating their entry into the Thai retail sector.
  • Provided advisory and implementation support to an Italian luxury fashion brand company establishing operations in Thailand, ensuring regulatory compliance with local laws by securing all necessary permits, licenses, and approvals.
  • Conducted legal due diligence on electricity-related permits and licenses of a target company for a Singaporean public-sector enterprise’s potential share acquisition.
  • Oversaw all aspects of corporate and commercial legal matters for an American luxury jewelry company, including contract preparation and review.
  • Assisted and advised international clients on securing industrial licenses under the Industrial Estate Authority of Thailand (IEAT), enabling land acquisition.
ABOUT Thunwaraj








    LLM, King’s College London

    LLB, Thammasat University


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