Next Generation Partners

Firms To Watch: Tax

Dherakupt International Law Office Ltd. advises local and multinational clients on tax planning matters, wealth management and the tax-related aspects of M&A transactions. Anuphan Kitnitchiva is a key contact.

Firms in the Spotlight Tax

Prompt Legal Services

Prompt Legal Services logo

Led by Promboon Sookatup, PROMPT provides services from planning and implementing efficient tax structure to resolution of disputes with government authorities i.e. the Revenue Department. The firm also advise on alternative tax structures for M&A projects. PROMPT’s team comprises professional lawyers who wish to drive legal business and redefine the norm of legal professional services …

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Tax in Thailand

Baker McKenzie LLP

Baker McKenzie LLP provides a comprehensive tax service and leverages the firm’s global presence to advise on foreign tax credit rules, transfer pricing provisions and various double tax treaties. Kitipong Urapeepatanapong focuses on tax planning and the tax aspects of M&A transactions, while Pornapa Luengwattanakit acts for multinational and local companies on tax and customs issues, particularly regarding foreign investments in Thailand. Panya Sittisakonsin has experience in tax litigation and Aek Tantisattamo is active on tax planning and structuring matters, while Nopporn Charoenkitraj handles tax planning for real estate development projects.

Tilleke & Gibbins

Tilleke & Gibbins’ interdisciplinary tax team advises domestic and international clients on a range of matters, including corporate, customs and excise, and international tax, as well as tax disputes. Kobkit Thienpreecha heads up the practice group and is noted for his work in acting for US clients on local tax matters. Tax consultant Varapa Aurat departed in May 2021.

Practice head(s):

Kobkit Thienpreecha

Key clients

AI and Robotics Ventures


Delivery Hero



Kosei Aluminium


Summit Capital Leasing

Weiss Asset Management

Zuellig Group

Work highlights

  • Advised a Thai electricity operator on Thai and Myanmar tax in connection with an EPC contract for an electricity and power pipeline construction project in Myanmar.
  • Advised a tech company on the tax implications of the proposed launch of various innovative tech-space offerings in the local market.
  • Advised the Thai subsidiary of a European multinational online food-delivery service on the classification and tax implications of payments to delivery drivers.

Blumenthal Richter & Sumet Ltd.

The tax and customs practice at Blumenthal Richter & Sumet Ltd. acts for clients across multiple industries, including the automotive, life sciences and natural resources, on a spectrum of tax matters. The group is led by Sumet Mingmongkolmitr, who represents high-net-worth individuals and multinational corporations on their tax operations in Thailand, as well as advising on tax-related issues to foreign investment and offshore structures for outbound transactions.

Practice head(s):

Sumet Mingmongkolmitr

Prompt Legal Services

Boutique law firm Prompt Legal Services represents domestic and foreign public and private companies in tax disputes, as well as advising on tax structures for M&A mandates. The practice’s sector expertise extends to the manufacturing, property, finance and retail industries. Practice head Promboon Sookatup is praised for her ‘true knowledge in taxation issues’, and excels in advising on tax planning for corporate structure and M&A projects, as well as representing clients in tax disputes.

Practice head(s):

Promboon Sookatup


‘The team is very helpful.’

The team at Prompt has a full understanding of everything about tax, especially in Thailand. They listen to you and your situation. They always come up with the best solution.’

DFDL Legal & Tax

DFDL Legal & Tax handles a range of tax matters including income tax, capital gains tax and transfer pricing for clients in the hospitality, technology and manufacturing sectors. Regional practice head Jack Sheehan specialises in structuring inbound and outbound investments in Asia, as well as corporate and international tax planning and the tax aspects of M&A transactions. Jonathan Blaine leads the team in Bangkok and handles tax planning, with a focus on US, Thailand and Japanese investments.

Practice head(s):

Jack Sheehan Jonathan Blaine

Key clients

3i Infotech Limited


Work highlights

  • Advised 3i Infotech Limited on legal and tax issues relating to the master agreement in Thailand, Malaysia and Singapore.
  • Advised Mettler on the reorganisation from a Thai tax and transfer pricing perspective.

Kudun & Partners

Kudun & Partners acts for Thai and international corporations, high-net-worth individuals and financial institutions on a range of tax matters, including M&A investment structuring and tax optimisation, tax planning and transfer pricing. Chinawat Assavapokee and Saravut Krailadsiri jointly head up the practice group, with Assavapokee specialising in corporate restructuring and M&A tax planning, and Krailadsiri acting for major clients in the oil and gas sectors.


‘The Team has extremely excellent expertise and experience in Tax field.’


Key clients

S Hotels and Resorts Public Company Limited

TTC Global Ltd.

Phelps Dodge International (Thailand) Limited

Prima Marine PCL (SET: PRM)

Pro Pet (Thailand) Co., Ltd.

IT City Public Company Limited

Elite Kraft Paper Co., Ltd.

Sea Oil Public Company Limited

TOA Paint (Thailand) Public Company Limited

Nathalin Company Limited

Chai Watana Tannery Group Public Company Limited

Fullerton Enterprise Company Limited

Mahachai Kraft Paper Co. Ltd.

Work highlights

  • Advised S Hotels and Resorts Public Company Limited on its major group restructuring of over 27 holding and operating companies to streamline the investment and reduce administration costs.
  • Represented both Elite Kraft and Mahachai Kraft in their defense against tax implication, which includes preparing tax appeal on VAT assessment to the tax authority in Thailand.
  • Representing Phelps Dodge International (Thailand) Limited as lead counsel on its application to obtain the operational and tax benefits of treasury center (TC) and international business center (IBC).

LawAlliance Limited

LawAlliance Limited advises clients in the financial, oil and gas, insurance and retail industry sectors on a range of tax matters, including corporate tax, customs duties and excise tax. The practice also represents clients in disputes, from tax audits to tax court procedures. Tax specialist Piphob Veraphong leads the team and is regularly instructed on tax planning and the tax aspects of M&A and corporate restructuring.

Practice head(s):

Piphob Veraphong


‘The team has extremely excellent expertise and experience in the tax field, and they understand the client well.’

Siam Premier International Law Office Limited

Siam Premier International Law Office Limited has a wealth of experience advising on tax aspects of M&A and corporate transactions, transfer pricing and the tax aspects of investment structuring. The practice is also adept to represent clients in tax litigation and disputes. Praphan Phichaiwatkomol heads up the team and has experience in handling tax-efficient investment structures and international tax planning matters, while associate Keerada Rungtanakiat focuses on the tax issues arising out of inbound and outbound investments.

Practice head(s):

Praphan Phichaiwatkomol

Other key lawyers:

Keerada Rungtanakiat

Key clients

Kaljaruek Holdings Company Limited

HSH-Siam Chaophraya Holdings Co., Ltd.

Siamese Asset Public Company Limited

Megabangna Avenue Co.,Ltd.