This chapter provides an overview of the legal system and key laws for foreign companies doing business in Thailand. Presented in a question-and-answer format, the chapter examines the rules governing foreign investment, business vehicles, employment, tax, competition, intellectual property, marketing agreements, e-commerce, data protection, and product liability.
March 16, 2026
Thailand’s Securities and Exchange Commission (SEC) has broadened the definition of institutional investors, expanded the types of qualifying investments, and updated financial qualification thresholds for various investor categories through a revised notification on the definitions of institutional investors, ultra-high net worth investors, and high net worth investors. The amended framework, which came into force on March 1, 2026, adds digital asset business operators, investment planners, and investment consultants to the roster of entities recognized as institutional investors, and broadens the definition of investment to account for digital tokens. Expanded Definition of Institutional Investors Under the SEC’s revised notification, the category of institutional investors now expressly includes digital asset business operators licensed under the Royal Decree on Digital Asset Businesses B.E. 2561 (2018). This addition recognizes the growing role of digital asset platforms and service providers in Thailand’s investment ecosystem and aligns the regulatory treatment of digital markets with that of traditional markets. The definition of institutional investors now also encompasses investment planners and investment consultants approved by the SEC. Previously, only SEC-approved investment analysts held this status; the expansion covers a broader scope of professionals who possess comparable expertise and experience in evaluating investment opportunities. Broadened Investment Definition The revised framework now defines investment to mean direct or indirect investment in a wider range of assets beyond deposits. Specifically, the definition covers: Securities under the Securities and Exchange Act Derivatives under the Derivatives Act Investment tokens offered to the public Government-issued digital tokens (G-tokens) as specified in a separate SEC notification This expansion ensures that financial status assessments reflect the full spectrum of an investor’s holdings, including emerging digital assets. Updated Financial Qualification Thresholds The amended SEC notification also provides updated qualification thresholds for angel investors, ultra-high net worth investors, and high net worth investors. While the core criteria