Chaiwat Keratisuthisathorn



Chaiwat Keratisuthisathorn is a counsel in the Tilleke & Gibbins corporate and commercial group. He specializes in real estate matters (acquisitions, sales, leases, etc.) in Thailand and advises clients on property laws, legal and land due diligence, title searches and transfers, requisite agreements, preparing required documents, and representing clients at the land office to register property rights. Legal 500 Asia Pacific 2020  recognizes Chaiwat as a recommended property acquisition expert.

Chaiwat is also heavily involved with M&A matters, for which he regularly leads legal due diligence exercises ahead of major commercial transactions. In addition, he advises clients on establishing and operating a business in Thailand (e.g., limited company, representative office, branch office, foreign business license and foreign business certificate, corporate secretary services, etc.) and on immigration and work permit matters.

He regularly contributes his legal expertise to investment and real estate research projects conducted by the World Bank. 

Chaiwat graduated with a law degree from Thammasat University and obtained a master’s degree from Case Western Reserve University. He is a member of the Lawyers Council of Thailand and the Thai Bar Association. He currently sits on the Board of Directors for the Australian-Thai Chambers of Commerce.


  • Assisted a subsidiary of a Korean manufacturing conglomerate in establishing a branch office in Thailand to operate a service business for a project of an international energy company.

  • Assisted a successful Malaysian trading company in establishing a representative office in Thailand to source consumable and non-consumable products, verify the quality of the products, and report to its head office.

  • Assisted a leader in branded lifestyle apparel on all aspects of establishing a Regional Operating Headquarters (ROH) in Thailand, including legal assistance on leasing approximately 1,000 square meters of office space.

  • Registered and documented the replacement of the board of directors of a foundation.

  • Assisted a medical center with company formation in a short period of time to facilitate the timely commencement of business operations.

  • Helped a global pharmaceutical client close a large commercial deal in Thailand and obtain an Alien Business License in a short period of time in order for the client to commence business operations per the client’s schedule.

  • Advised on a mixed development of an entire island, including land acquisition, development and construction permits, joint venture agreements, financing, customer and supplier contracts, and the legal and tax structure.

  • Represented a group of investors in their acquisition of beachfront properties for resort development.

  • Helped a U.S. enterprise that successfully bid for a large IT project to commence and continue operations in Thailand, including securing long-term visas and work permits for a number of IT specialists of various nationalities and providing general legal counsel.

  • Represented a group investing in various high-end villa projects targeting the European market in Hua Hin and Phuket.

  • Assisted a leading Korean cosmetics manufacturer to acquire shares from the Thai majority shareholder in its joint venture company, and eventually restructure and convert it into a wholly owned subsidiary. From reviewing relevant agreements, conducting a full due diligence, and correcting discrepancies found, to post-completion registration, the Tilleke & Gibbins team provided a complete range of services.

ABOUT Chaiwat






    LLM, Case Western Reserve University School of Law

    LLB, Thammasat University


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