

Poland vs Iceland
Corporate Tax Comparison
Time of Update: Poland: 4/05/2026 / Iceland: 4/04/2026
Compare Poland and Iceland corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Poland vs Iceland Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Poland
Iceland
General CIT Rate:
19
General CIT Rate:
20 (for LLCs and limited partnerships); 37.6 (for other entities)
CIT Return Due Date:
Three months after the end of the tax year.
CIT Return Due Date:
31 May
CIT Payment Due Date:
Three months after the end of the tax year.
CIT Payment Due Date:
November 1st and December 1st
CIT Estimated Payment Due Date:
Monthly installments are to be paid off by the 20th of the following month.
CIT Estimated Payment Due Date:
Except for January and October, prepayments should be made on the first day of each month.
Withholding Tax (WHT)
Poland
Iceland
Resident Withholding Tax (Dividend/Interest/Royalty):
0/19/20
Resident Withholding Tax (Dividend/Interest/Royalty):
22/22/0
None-Resident Withholding Tax (Dividend/Interest/Royalty):
19/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
21/13/22
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Poland
Iceland
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate.
General Capital Gain Tax Rate:
20 (for corporations, same as CIT rate for LLCs); 22 (for individuals)
Effective Tax Rate (ETR)
Poland
Iceland
Composite Effective Average Tax Rate:
15%
Composite Effective Average Tax Rate:
18.79%
Composite Effective Marginal Tax Rate:
-9.47%
Composite Effective Marginal Tax Rate:
14.93%
