Iceland vs Ireland
Corporate Tax Comparison
Time of Update: Iceland: 4/04/2026 / Ireland: 4/04/2026
Compare Iceland and Ireland corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Iceland vs Ireland Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Iceland
Ireland
General CIT Rate:
20 (for LLCs and limited partnerships); 37.6 (for other entities)
General CIT Rate:
Trade company: 12.5%. Non-trade company: 25% (e.g. royalties received by passive holding companies).
CIT Return Due Date:
31 May
CIT Return Due Date:
Nine months after the end of the tax accounting period.
CIT Payment Due Date:
November 1st and December 1st
CIT Payment Due Date:
Nine months after the end of the tax accounting period.
CIT Estimated Payment Due Date:
Except for January and October, prepayments should be made on the first day of each month.
CIT Estimated Payment Due Date:
Small companies: The first installment should be due 31 days before the end of the tax accounting period, and the final installment should be due at the time of submitting the tax return; Large companies: The first installment should be due six months after the start of the tax accounting period, the second installment should be due 31 days before the end of the tax accounting period, and the final installment should be due at the time of submitting the CIT return for that period. * Not later than the 23rd of the month.
Withholding Tax (WHT)
Iceland
Ireland
Resident Withholding Tax (Dividend/Interest/Royalty):
22/22/0
Resident Withholding Tax (Dividend/Interest/Royalty):
25/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
21/13/22
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/20/20
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Iceland
Ireland
General Capital Gain Tax Rate:
20 (for corporations, same as CIT rate for LLCs); 22 (for individuals)
General Capital Gain Tax Rate:
33%
Effective Tax Rate (ETR)
Iceland
Ireland
Composite Effective Average Tax Rate:
18.79%
Composite Effective Average Tax Rate:
12.36
Composite Effective Marginal Tax Rate:
14.93%
Composite Effective Marginal Tax Rate:
13.21
