

Poland vs Slovenia
Corporate Tax Comparison
Time of Update: Poland: 4/05/2026 / Slovenia: 4/05/2026
Compare Poland and Slovenia corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Poland vs Slovenia Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Poland
Slovenia
General CIT Rate:
19
General CIT Rate:
22
CIT Return Due Date:
Three months after the end of the tax year.
CIT Return Due Date:
Before the end of the third month after the end of the tax year.
CIT Payment Due Date:
Three months after the end of the tax year.
CIT Payment Due Date:
Payment for CIT should be made within 30 days after the (final) tax return is submitted.
CIT Estimated Payment Due Date:
Monthly installments are to be paid off by the 20th of the following month.
CIT Estimated Payment Due Date:
Monthly or quarterly installment payments.
Withholding Tax (WHT)
Poland
Slovenia
Resident Withholding Tax (Dividend/Interest/Royalty):
0/19/20
Resident Withholding Tax (Dividend/Interest/Royalty):
15%
None-Resident Withholding Tax (Dividend/Interest/Royalty):
19/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
15/15/15
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Poland
Slovenia
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate.
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate of 19%.
Effective Tax Rate (ETR)
Poland
Slovenia
Composite Effective Average Tax Rate:
15%
Composite Effective Average Tax Rate:
17.38%
Composite Effective Marginal Tax Rate:
-9.47%
Composite Effective Marginal Tax Rate:
10.15%
