

Belgium vs Thailand
Corporate Tax Comparison
Time of Update: Belgium: 3/24/2026 / Thailand: 4/04/2026
Compare Belgium and Thailand corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Belgium vs Thailand Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Belgium
Thailand
General CIT Rate:
25
General CIT Rate:
20%
CIT Return Due Date:
The tax return form must be submitted no later than the last day of February of the tax year's fiscal year, from December 31 of the previous year to September 30 of the tax year. In other cases, the deadline for submitting the tax return form is the last day of the seventh month after the end of the fiscal year. If there are serious reasons or force majeure, the deadline can be extended.
CIT Return Due Date:
settled within the same 150-day period
CIT Payment Due Date:
Under normal circumstances, within two months of issuing the assessment notice.
CIT Payment Due Date:
settled within the same 150-day period
CIT Estimated Payment Due Date:
(Optional) Quarterly installment payments.
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)
Belgium
Thailand
Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
Resident Withholding Tax (Dividend/Interest/Royalty):
0/10/3
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
None-Resident Withholding Tax (Dividend/Interest/Royalty):
10/15/15
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Belgium
Thailand
General Capital Gain Tax Rate:
Capital gains are subject to the normal CIT rate (except capital gains on shares under certain conditions):25%.
General Capital Gain Tax Rate:
Capital gains are subject to the normal CIT rate.
Effective Tax Rate (ETR)
Belgium
Thailand
Composite Effective Average Tax Rate:
25%
Composite Effective Average Tax Rate:
19.61%
Composite Effective Marginal Tax Rate:
18%-19%
Composite Effective Marginal Tax Rate:
21.74%
