Thanasak Chanyapoon

Senior Partner

E thanasak@thecapitallaw.com

Thanasak Chanyapoon, is a Senior Partner at The Capital Law Office, with over 25 years of expertise in tax advisory. Since 2004 to date, he has been teaching tax-related courses at the Faculty of Law, Chulalongkorn University. Thanasak specializes in tax advisory services related to mergers and acquisitions, investments, corporate restructuring, joint ventures, and commercial transactions. His expertise also extends to tax planning for debt and equity restructuring, assisting companies in becoming publicly listed on the Stock Exchange of Thailand (SET) and advising on the primary listing of foreign companies on the SET. Thanasak is also highly experienced in aircraft financing, providing tax counsel to large domestic and international corporations. He also handles complex tax litigation, including high-value VAT cases, for both domestic and international clients.

Education

  • LL.M., University of Cambridge, 1999 (Joint Scholarship: British Chevening Scholarship & Cambridge Overseas Trust)
  • Certificate in American and International Law, USA, 1997
  • LL.M. in Business Law, Chulalongkorn University, 1996
  • Certificate in Tax Law, Central Taxation Court of Thailand, 1994
  • LL.B., Chulalongkorn University, 1991 (Hons.)

Recent Accolades

  • Ranked Band 2 in Tax by Chambers and Partners Asia-Pacific, 2025
  • Ranked Band 3 in Tax by Chambers and Partners Asia-Pacific, 2023-2024
  • Distinguished Practitioner by Asialaw, 2021-2022, 2024

Language

Thai, English

Highlight Representation

Represented one of the major Thai airlines on the financial restructuring to improve its financial statements and settlements of massive AR and AP under aircraft related arrangements involving different tax implications under respective double tax treaty.

Represented one of the 4 stars hotels on the investment structure which is more tax efficient e.g. use of debt financing or equity financing

Represented one of the international insurance companies on Thai tax implications for the new insurance-based investment products to be launched to the worldwide market including Thailand

Represented the Singaporean real estate management advisory company on the tax structure for the industrial estate project in Samutprakarn and other commercial property development projects

Represented one of the Thai companies doing Health Care business on the business reorganization which is more tax efficient and acceptable for IPO.

Represented a Thai company on the tax restructure planning for the purpose of international IPO, tax incentives for digital start-up and advice on the intangible asset issues within the group

Represented one of the major electronic manufacturing companies listed in the Thai Stock Exchange having the bonded warehouse on the tax dispute with the Revenue Department regarding the eligibility of zero rated VAT. The case was presented before Tax Court and Appeal Court (specializing on tax cases) and the courts finally ruled in the client’s favor.

Represented one of the most renowned Thai universities on tax dispute with the Revenue Department in relation to the use of unlawful VAT invoices.

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