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Tax

Tax

Key Contacts

Cambodia

Laos

Myanmar

Thailand

OVERVIEW

Strategic tax planning across Southeast Asia—locally informed, regionally connected.

Southeast Asia presents a diverse and rapidly evolving tax landscape, shaped by varying regulatory regimes, shifting policy priorities, and increasing scrutiny from local tax authorities. For companies operating across borders in the region, managing tax exposure and ensuring compliance requires not only technical expertise but also a nuanced understanding of local practices and regional dynamics.

With offices in Cambodia, Indonesia, Laos, Myanmar, Thailand, and Vietnam, Tilleke & Gibbins’ regional tax team is uniquely positioned to support clients across Southeast Asia. Our integrated approach combines deep local knowledge with cross-border coordination – enabling us to deliver practical, commercially focused tax solutions that align with our clients’ strategic goals.

We advise on a full spectrum of tax matters, including corporate and personal income tax, withholding tax, VAT and indirect taxes, customs duties, transfer pricing, and international tax planning. Our team works closely with clients to structure investments, optimize tax efficiency, and mitigate risks in complex transactions and regulatory environments. Whether entering new markets, restructuring operations, or navigating cross-border tax issues, we provide clear and commercially-sound advice that helps clients succeed across Southeast Asia.

Experience

  • Advised a global leader in the heavy industries sector on various tax matters related to the supply and installation of a production platform, bridges, and a flare tower in a petroleum concession (total contract price was approximately USD 1,000,000,000).
  • Advised a group of Japanese industrial conglomerates on tax matters related to the construction of a railway project for the State Railway of Thailand. The project value is estimated to be over THB 30 billion.
  • Advising a leading hospitality property holding company in reviewing the revenue tax assessment on one of their affiliated companies with extensive land and property holdings in Thailand.
  • Acted as the exclusive Thai tax advisor to a fully integrated oil and gas corporation on various tax matters, including customs, VAT, and income tax matters and tax planning for the sale and distribution of new petroleum products in Thailand; transfer pricing issues for various sale and service transactions with its parent company; permanent establishment issues related to the sale of goods by its foreign affiliates in Thailand; and the proper structure for capital increase and loan payments to its parent/affiliate.
  • Acted as the exclusive tax advisor for a leading automaker. We advised the client on various tax matters, including tax implications and tax planning for tool sharing and various domestic and cross-border transactions with other company units, tax planning for various business operation and sales promotion plans, transfer pricing issues, and Free Zone implementation. As a result of our advice in these areas, our client was able to realize significant tax savings.
  • Advised a leading international pharmacy-led health and beauty group, which operates more than 3,200 health and beauty retail outlets around the world, on structuring corporate relationships with major department stores in Thailand, transfer pricing issues, and cross-border transactions with other company units abroad.
  • Advised a major bank in the UK, with significant retail and commercial operations in more than 50 countries around the world, on the legal and tax implications of the Long Term Cash Plan, the Private Pension Plan, and the Executive Share Award Scheme for executives who are resident in Thailand. This involved the review of hundreds of documents in relation to these executive plans. We also provide yearly updates on the legal and tax implications of these plans.
  • Acted as the Thai tax advisor to a land-based component of a leading liner shipping company on business structure, tax planning, sale of assets, and transfer pricing issues.
  • Advised one of the world’s top furniture retailers on preferential duty concessions and tax matters related to its franchise business in Thailand and sale transactions between related companies in the group.
  • Advised an international technology company on operating a representative office in Vietnam, including advising on the scope of work of a representative office, employment matters, tax matters, and government filing requirements. We prepared Vietnamese and English versions of labor contracts.
  • Advised a Singaporean company on setting up a representative office in Vietnam and handled all post-licensing matters, including providing tax and banking advice.
  • Provided guidance to multinational corporations on tax planning and structuring business projects in Thailand, transfer pricing regulations, tax implications of financing transactions, negotiating/appealing decisions of the Revenue Department, and other tax‐related issues.

PROFESSIONALS

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