Tanva Mahitivanichcha

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Experience

US-trained lawyer with extensive experience advising multinational and local clients in Thailand since 2004; advised public organisations and the Thai government on trade facilitation, economic development and legal policy matters; former member of the Committee on Foreign Economic Policy Reform before Thailand’s National Reform Council; advised on customs compliance, customs valuation, product classification, ASEAN and ASEAN+ trade agreements, customs audits and dispute resolution; supported clients with BOI promotions, joint ventures and foreign business structuring in Thailand

Sector Experience

Automotive, Consumer Products & Retail, Food & Beverage, Industrial Products & Manufacturing, Real Estate & Construction, Technology Media & Telecommunications

Primary Expertise

Customs & Trade
International Tax
BOI & Foreign Business Advisory

Secondary Expertise

Corporate & Business Tax
Legal Advisory
Excise Tax
VAT
Trade Compliance
Foreign Direct Investment (FDI) Structuring

Professional qualifications and memberships

Recognised specialist in customs and trade advisory; active contributor to regulatory and tax/legal thought leadership in Thailand

Latest Articles

Tax and Legal Update 12 / 2026

Thailand–US Reciprocal Trade Agreement: Where Things Stand

Thailand and the United States are close to finalising their Agreement on Reciprocal Trade (ART), almost a year after the two countries announced a framework for the deal. In this briefing, we provide a short overview of negotiations developments thus far and what businesses should watch out for.

Tanva Mahitivanichcha

| 4 min read | 16 Oct 2026

Tax and Legal Update 11 / 2026

Additional List of Service Businesses Exempt from Foreign Business License

The Ministry of Commerce has issued a new Ministerial Regulation (No. 5) B.E. 2569, expanding the list of service businesses that foreign-owned companies may operate without obtaining a Foreign Business License (FBL) under the Foreign Business Act. The regulation was published in the Royal Gazette on 28 August 2026.

| 3 min read | 14 Sep 2026

Tax and Legal Update 10 / 2026

Additional DBD Documentation Requirements for Foreign Shareholders and Directors (Order No. 2/2569)

Effective 1 August 2026, Central Registration Office Order No. 2/2569 Regarding Criteria and Supporting Documents for Registration of Partnerships and Limited Companies Involving Foreign Shareholders or Foreign Authorised Signatories (the “Order”) repeals previous Orders Nos. 2/2568 and 1/2569. The Order was introduced to strengthen the integrity and credibility of company registrations, enhance transparency regarding the source of investment funds, and prevent nominee arrangements used to circumvent restrictions under the Foreign Business Act. It also supports the Government’s efforts to address concealed ownership structures and suspicious financial transactions.

| 4 min read | 19 Aug 2026

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