Belgium vs South Korea
Corporate Tax Comparison
Time of Update: Belgium: 3/24/2026 / South Korea: 4/04/2026
Compare Belgium and South Korea corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Belgium vs South Korea Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Belgium
South Korea
General CIT Rate:
25
General CIT Rate:
Progressive: 10% (up to 200M KRW), 20% (200M-20B KRW), 22% (20B-300B KRW), 25% (over 300B KRW)
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:
Mid-term tax returns: within two months from the end of the six-month period; annual tax returns: within three months from the end of the fiscal year.
CIT Payment Due Date:
Under normal circumstances, within two months of issuing the assessment notice.
CIT Payment Due Date:
The submission of the declaration form (instalment payments are allowed in the case of elections).
CIT Estimated Payment Due Date:
(Optional) Quarterly installment payments.
CIT Estimated Payment Due Date:
N/A
Withholding Tax (WHT)
Belgium
South Korea
Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
Resident Withholding Tax (Dividend/Interest/Royalty):
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
None-Resident Withholding Tax (Dividend/Interest/Royalty):
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Belgium
South Korea
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:
25 (the same as the normal CIT rate for corporations over 300B KRW taxable income)
Effective Tax Rate (ETR)
Belgium
South Korea
Composite Effective Average Tax Rate:
25%
Composite Effective Average Tax Rate:
24.87%
Composite Effective Marginal Tax Rate:
18%-19%
Composite Effective Marginal Tax Rate:
22.0%
