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Program

BOI General Investment Promotion (Activity Groups A1+/A1/A2/A3/A4/B)

Funds promoted investment in Thailand by reducing tax and import costs for eligible projects.

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BOI General Investment Promotion is the core investment-promotion route of the Thailand Board of Investment. It sorts projects into activity groups A1+, A1, A2, A3, A4, and B according to technology level and economic impact, with promotion certificates issued through the e-Investment Promotion system.

The main benefit is corporate income tax exemption, with A1+ through A4 receiving 3 to 13 years

AgritechAIBiotechEnergy TechHardwareAdvanced ManufacturingAdvanced MaterialsRoboticsSemiconductorsMobility

Each grant below is a distinct funding opportunity with its own eligibility, scope, and deliverables.

Last verified: 28 May 2026Source: www.boi.go.th