GlobalOS
Regional Deep Dive/APAC

Tax & Regulatory // Thailand

Entity type: Thai Limited Company (บริษัทจำกัด) or BOI-promoted Entity

Medium Complexity

Core Compliance

Corporate Tax
20%
Standard rate; BOI-promoted companies can receive 3–8 year corporate tax holidays
VAT
7%
Currently reduced from standard 10%. Lowest VAT in the region.
Foreign Business Act
51% Thai ownership
FBA requires majority Thai ownership for many service categories. BOI promotion or Treaty of Amity (US only) provides exceptions.

Regulatory Vectors

Foreign Business Act (FBA)
BINDING
urgent

Most technology services businesses fall under FBA. Requires 51% Thai ownership or BOI promotion or Foreign Business Licence. Structure entity with a trusted Thai shareholder or use BOI path.

PDPA Compliance
REQUIRED
watch

Thailand Personal Data Protection Act 2019 fully effective from 2022. Requires consent management, DPO appointment for large processors, and breach notification within 72 hours.

BOI Promotion (optional but valuable)
OPTIONAL
clear

Board of Investment promotion allows 100% foreign ownership + corporate tax holiday + import duty exemptions. Application takes 3–6 months but unlocks significant advantages.

Royal Decree on Cybersecurity
SECTOR-SPECIFIC
watch

National Cybersecurity Act 2019 applies to critical information infrastructure operators. Most standard SaaS businesses are not directly affected.

Key Legislation

Personal Data Protection Act 2019 (PDPA)

Data protection rights and obligations, effective from June 2022.

Foreign Business Act 1999 (FBA)

Restricts foreign ownership in certain business categories.

National Cybersecurity Act 2019

Governs critical information infrastructure protection.

Entry Recommendation

Apply for BOI promotion early — it solves the foreign ownership problem and delivers tax benefits simultaneously. Engage a Bangkok-based commercial law firm with BOI experience. PDPA compliance is straightforward for standard SaaS.

Regulatory Flashpoints — Evidence Base

Primary regulatory flashpoint
confidence 40

PDPA consent and processing basis requirements for personal data.

Needs human review