

Poland vs Belgium
Corporate Tax Comparison
Time of Update: Poland: 4/05/2026 / Belgium: 3/24/2026
Compare Poland and Belgium corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Poland vs Belgium Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Poland
Belgium
General CIT Rate:
19
General CIT Rate:
25
CIT Return Due Date:
Three months after the end of the tax year.
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 Payment Due Date:
Three months after the end of the tax year.
CIT Payment Due Date:
Under normal circumstances, within two months of issuing the assessment notice.
CIT Estimated Payment Due Date:
Monthly installments are to be paid off by the 20th of the following month.
CIT Estimated Payment Due Date:
(Optional) Quarterly installment payments.
Withholding Tax (WHT)
Poland
Belgium
Resident Withholding Tax (Dividend/Interest/Royalty):
0/19/20
Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
None-Resident Withholding Tax (Dividend/Interest/Royalty):
19/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Poland
Belgium
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate.
General Capital Gain Tax Rate:
Capital gains are subject to the normal CIT rate (except capital gains on shares under certain conditions):25%.
Effective Tax Rate (ETR)
Poland
Belgium
Composite Effective Average Tax Rate:
15%
Composite Effective Average Tax Rate:
25%
Composite Effective Marginal Tax Rate:
-9.47%
Composite Effective Marginal Tax Rate:
18%-19%
