

Ireland vs Hong Kong SAR
Corporate Tax Comparison
Time of Update: Ireland: 4/04/2026 / Hong Kong SAR: 4/02/2026
Compare Ireland and Hong Kong SAR corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Ireland vs Hong Kong SAR Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Ireland
Hong Kong SAR
General CIT Rate:
Trade company: 12.5%. Non-trade company: 25% (e.g. royalties received by passive holding companies).
General CIT Rate:
Corporations: 8.25% on the first HKD 2 million of assessable profits and 16.5% on the remainder; unincorporated businesses: 7.5% on the first HKD 2 million and 15% on the remainder.
CIT Return Due Date:
Nine months after the end of the tax accounting period.
CIT Return Due Date:
The tax return forms are typically released on the first working day of April each year. The filing deadline is usually within one month from the day the forms are released. Certain companies (e.g., those with a fiscal year ending on December 31) may have an extended filing deadline, typically until August 15 of the year the forms are released, and in certain circumstances (e.g., electronic filing), extensions may be granted.
CIT Payment Due Date:
Nine months after the end of the tax accounting period.
CIT Payment Due Date:
For companies with a fiscal year ending on December 31st, the final tax payment for a specific tax year is typically due in November of the year when the tax return is filed.
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.
CIT Estimated Payment Due Date:
For companies with a fiscal year ending on December 31st, interim taxes for a specific tax year will be paid in two installments, typically due in November of the current year and January of the following year.
Withholding Tax (WHT)
Ireland
Hong Kong SAR
Resident Withholding Tax (Dividend/Interest/Royalty):
25/20/20
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/20/20
None-Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/2.475-4.95
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Ireland
Hong Kong SAR
General Capital Gain Tax Rate:
33%
General Capital Gain Tax Rate:
N/A
Effective Tax Rate (ETR)
Ireland
Hong Kong SAR
Composite Effective Average Tax Rate:
12.36
Composite Effective Average Tax Rate:
14.28
Composite Effective Marginal Tax Rate:
13.21
Composite Effective Marginal Tax Rate:
2.01
