Thailand continues to position itself as a leading investment destination in Southeast Asia. In early 2026, the Thailand Board of Investment (BOI) introduced new investment stimulus measures aimed at accelerating economic recovery and encouraging large-scale investment projects in the country.
The policy was formally announced through the new Board of Investment Announcement No. 3/2569: Investment Stimulus Measures for Economic Recovery, which provides additional incentives for eligible investment projects in Thailand.
The new measure is designed to attract significant private-sector investment, particularly in industries that contribute to technological advancement, economic development, and long-term competitiveness.
For both domestic and foreign investors, this announcement represents another important opportunity to benefit from Thailand’s investment promotion framework.
Overview of Thailand’s BOI Investment Stimulus Measures
Under the new BOI announcement, all provinces across Thailand are designated as investment promotion zones, allowing eligible projects to apply for additional incentives regardless of geographic location.
This nationwide promotion approach reflects the Royal Thai Government’s intention to encourage investment across the country rather than concentrating incentives in limited regions.
The measure specifically targets large-scale investment projects, particularly those capable of generating significant economic impact through capital investment, technology transfer, employment creation, and industrial development.
By introducing additional tax incentives, the BOI aims to accelerate investment decisions and encourage investors to implement projects within a defined timeframe.
Key Eligibility Requirements
Projects seeking to benefit from the BOI Announcement No. 3/2569 must satisfy several important criteria.
First, the investment activity must fall within BOI activity categories A1, A2, A3, or A4, which typically include industries involving advanced technology, innovation, or high value-added production.
These categories generally cover sectors such as:
- Advanced manufacturing
- Biotechnology and medical technology
- Electronics and digital industries
- High-technology industrial activities
However, certain types of businesses are excluded from this measure. These include:
- Businesses without clearly identifiable operational premises, such as air transportation and maritime transportation services
- Activities required to operate exclusively within Southern Border Provinces or Special Border Economic Development Zones
- Data center businesses
- Electricity generation activities
Second critical condition is the minimum investment requirement. Eligible projects must involve actual investment of at least THB 2 billion, excluding land costs and working capital.
Furthermore, the project must implement the required investment within 12 months from the date the BOI promotion certificate is issued.
This requirement is intended to ensure that projects benefiting from the measure represent genuine investments rather than speculative or delayed developments.
Additional Corporate Income Tax Incentives
One of the most attractive aspects of the BOI stimulus measure is the additional corporate income tax benefit available to qualified projects. Projects meeting the eligibility criteria will receive a 50% reduction of the corporate income tax rate for five years. This reduction applies after the expiration of the corporate income tax exemption period granted under the BOI promotion framework.
In practical terms, many BOI-promoted projects already benefit from corporate income tax exemptions of up to eight years depending on the activity category.
Under the new measure, once the tax exemption period ends, investors may continue to enjoy a reduced corporate income tax rate for an additional five years, significantly lowering the long-term tax burden.
This extended incentive period can substantially improve the financial viability of capital-intensive projects and enhance Thailand’s competitiveness compared with other investment destinations in the region.
Application Timeline
The BOI investment stimulus measure applies to projects that submit applications for investment promotion from the first working day of 2026 until the last working day of 2026.
Investors considering projects that may qualify under this measure should begin preparing their investment structure, feasibility analysis, and BOI promotion applications well in advance.
Early preparation is particularly important for large-scale projects that require detailed investment planning, regulatory approvals, or corporate structuring.
Strategic Importance for Foreign Investors
Thailand remains one of the most attractive investment destinations in Southeast Asia due to its strong industrial base, strategic geographic location, and supportive investment policies.
BOI promotion provides numerous advantages for foreign investors, including:
- Corporate income tax exemptions
- Reduced corporate income tax after the exemption period
- Import duty exemptions for machinery
- Permission for 100% foreign ownership in promoted businesses
- Streamlined visa and work permit processes for foreign experts
The new investment stimulus measure further strengthens these incentives by extending tax benefits beyond the normal BOI promotion period.
For multinational companies evaluating regional expansion strategies, the availability of extended tax incentives can play a decisive role in investment decisions.
Economic Impact and Policy Objectives
The BOI’s investment stimulus policy reflects broader economic objectives pursued by the Royal Thai Government.
These objectives include:
- Accelerating private-sector investment
- Increasing foreign direct investment (FDI) inflows
- Promoting high-technology industries
- Enhancing Thailand’s long-term economic competitiveness
By encouraging large-scale investment projects, the government aims to stimulate economic activity, strengthen industrial supply chains, and support sustainable economic growth.
The measure also aligns with Thailand’s broader economic development strategies, including the promotion of advanced industries and the transition toward a knowledge-based economy.
How Sky International Legal Assists Investors
Navigating Thailand’s investment promotion framework can be complex, particularly for large-scale projects involving multiple regulatory requirements. Our firm provides comprehensive advisory services for BOI investment promotion and investment structuring in Thailand.
Our services include:
- BOI investment promotion advisory and application preparation
- Structuring large-scale investment projects in Thailand
- Legal analysis of eligibility for BOI incentives
- Compliance with BOI conditions and reporting requirements
- Strategic advisory for maximizing available investment incentives
Our team regularly assists international investors in establishing businesses, securing BOI promotion, and implementing investment projects in Thailand.
Through careful planning and legal structuring, investors can fully utilize Thailand’s investment promotion incentives while ensuring regulatory compliance.
Official BOI Announcement
For reference, the official BOI announcement can be accessed below:
Board of Investment Announcement No. 3/2569: Investment Stimulus Measures for Economic Recovery
Investors are encouraged to review the official announcement for detailed conditions and eligibility requirements.
Disclaimer
This article is provided for informational purposes only and does not constitute legal advice. Investors should seek professional legal advice before making investment decisions.

