Hong Kong SAR vs Thailand
Corporate Tax Comparison
Time of Update: Hong Kong SAR: 4/02/2026 / Thailand: 4/04/2026
Compare Hong Kong SAR and Thailand corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Hong Kong SAR vs Thailand Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Hong Kong SAR
Thailand
General CIT Rate:
Corporations: 8.25% on the first HKD 2 million of assessable profits and 16.5% on the remainder; unincorporated businesses: 7.5% on the first HKD 2 million and 15% on the remainder.
General CIT Rate:
20%
CIT Return Due Date:
The tax return forms are typically released on the first working day of April each year. The filing deadline is usually within one month from the day the forms are released. Certain companies (e.g., those with a fiscal year ending on December 31) may have an extended filing deadline, typically until August 15 of the year the forms are released, and in certain circumstances (e.g., electronic filing), extensions may be granted.
CIT Return Due Date:
settled within the same 150-day period
CIT Payment Due Date:
For companies with a fiscal year ending on December 31st, the final tax payment for a specific tax year is typically due in November of the year when the tax return is filed.
CIT Payment Due Date:
settled within the same 150-day period
CIT Estimated Payment Due Date:
For companies with a fiscal year ending on December 31st, interim taxes for a specific tax year will be paid in two installments, typically due in November of the current year and January of the following year.
CIT Estimated Payment Due Date:
due two months after the close of the first six months of the company's accounting period
Withholding Tax (WHT)
Hong Kong SAR
Thailand
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
Resident Withholding Tax (Dividend/Interest/Royalty):
0/10/3
None-Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/2.475-4.95
None-Resident Withholding Tax (Dividend/Interest/Royalty):
10/15/15
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Hong Kong SAR
Thailand
General Capital Gain Tax Rate:
N/A
General Capital Gain Tax Rate:
Capital gains are subject to the normal CIT rate.
Effective Tax Rate (ETR)
Hong Kong SAR
Thailand
Composite Effective Average Tax Rate:
14.28
Composite Effective Average Tax Rate:
19.61%
Composite Effective Marginal Tax Rate:
2.01
Composite Effective Marginal Tax Rate:
21.74%
