Compare Ireland and Turkey corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Published — Ireland: 2/14/2024 · Turkey: 2/14/2024 · Time of Update — Ireland: 4/04/2026 · Turkey: 10/02/2026
Published — Ireland: 2/14/2024 · Turkey: 2/14/2024 · Time of Update — Ireland: 4/04/2026 · Turkey: 10/02/2026
Corporate Income Tax (CIT)
Ireland
Turkey
description
General CIT Rate:
Trade company: 12.5%. Non-trade company: 25% (e.g. royalties received by passive holding companies).
description
General CIT Rate:
25 (financial companies up to 30%)
event
CIT Return Due Date:
Nine months after the end of the tax accounting period.
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CIT Return Due Date:
The 30th day of the fourth month after the end of the fiscal year.
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CIT Payment Due Date:
Nine months after the end of the tax accounting period.
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CIT Payment Due Date:
Corporate income tax is paid by the end of the month in which the return is filed (30 April for a calendar-year company).
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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.
today
CIT Estimated Payment Due Date:
Quarterly provisional tax is paid by the 17th of the second month after each quarter (17 May, 17 August, 17 November and 17 February).
Capital gains are constrained by the normal corporate income tax rate.
Effective Tax Rate (ETR)
Ireland
Turkey
percent
Composite Effective Average Tax Rate:
12.36
percent
Composite Effective Average Tax Rate:
22.33%
percent
Composite Effective Marginal Tax Rate:
13.21
percent
Composite Effective Marginal Tax Rate:
9.56%
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