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.

Samut Sakhon

Taxation & Customs Law in Samut Sakhon

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 Samut Sakhon — About us

Samut Sakhon (Mahachai) is a hub of fishery, seafood, and processing industries with a large migrant workforce and ports. We handle factory, migrant-labor, customs, and business-contract cases from our Bangkok branch.

We specialize in labor and migrant-labor matters in the fishery/seafood sector, serving Samut Sakhon employers from our Bangkok branch.

Courts we appear at

•Samut Sakhon Provincial Court
•Samut Sakhon Juvenile and Family Court
•Central Labor Court

km from HQ

0.6M

population

courts

Samut Sakhon, Mahachai, Krathum Baen, Ban Phaeo, and the coastal industrial area

What we cover in Samut Sakhon

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

Contact our Samut Sakhon attorneys

We serve clients across Thailand. Initial consultation.

Contact +66 92 254 2045

Frequently asked questions — Taxation & Customs Law in Samut Sakhon

8 questions answered

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