What withholding tax rates apply?

Services 3%, rent 5%, advertising 2%, dividends 10%, interest 1%; salaries are progressive.

When must I register for VAT?

When annual revenue exceeds 1.8 million THB, you must register for 7% VAT within 30 days.

Where do tax disputes go on appeal?

Appeal first to the Tax Appeal Committee within 30 days; further appeals go to the Central Tax Court within another 30 days.

How are import duties calculated?

Calculated on CIF value × tariff rate per HS code, plus 7% VAT on the duty-inclusive value.

Ayutthaya

Taxation & Customs Law in Ayutthaya

Tax and customs counsel — domestic and cross-border

Tax planning, filings, and litigation — domestic and international — including customs disputes and import-export matters.

Taxation & Customs Law in Ayutthaya — About us

Ayutthaya is a Central-region industrial base with the Rojana, Hi-Tech, and Bang Pa-in estates producing automotive and electronics for export. Matters center on factories — labor, import-export customs, BOI, business contracts, and flood-insurance issues.

Our team serves factories in the Central-region industrial estates with bilingual service, specializing in labor, customs, and BOI investment.

Courts we appear at

•Ayutthaya Provincial Court
•Ayutthaya Municipal Court
•Ayutthaya Juvenile and Family Court

370

km from HQ

0.8M

population

courts

Ayutthaya, Pathum Thani, Saraburi, and Ang Thong

What we cover in Ayutthaya

Corporate and personal tax planning
Tax Court litigation
Revenue Department audits
Customs and excise tax
International tax treaties

Contact our Ayutthaya attorneys

We serve clients across Thailand. Initial consultation.

Contact +66 92 254 2045

Frequently asked questions — Taxation & Customs Law in Ayutthaya

8 questions answered

Standard 20%; SMEs 0%/15%/20% by profit; BOI promotion can reduce to 0% for up to 13 years.