Compare Ireland and Chinese Taipei corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Time of Update — Ireland: 4/04/2026 · Chinese Taipei: 4/05/2026
Time of Update — Ireland: 4/04/2026 · Chinese Taipei: 4/05/2026
Corporate Income Tax (CIT)
Ireland
Chinese Taipei
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General CIT Rate:
Trade company: 12.5%. Non-trade company: 25% (e.g. royalties received by passive holding companies).
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General CIT Rate:
20
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CIT Return Due Date:
Nine months after the end of the tax accounting period.
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CIT Return Due Date:
No later than the fifth month after the end of the tax 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:
No later than the fifth month after the end of the tax year.
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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.
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CIT Estimated Payment Due Date:
CIT is expected to be paid in the ninth month of the enterprise's fiscal year.
Capital gains are generally taxed at the standard CIT rate of 20%. Securities gains are exempt from CIT but subject to IBT at 12% (TWD 600,000 deduction; 50% exempt if held over 3 years). Real estate transactions are subject to the Joint Property Tax System 2.0 at 15%–45% based on holding period (for properties acquired after January 1, 2016). Capital losses may be carried forward for 5 years.
Effective Tax Rate (ETR)
Ireland
Chinese Taipei
percent
Composite Effective Average Tax Rate:
12.36
percent
Composite Effective Average Tax Rate:
percent
Composite Effective Marginal Tax Rate:
13.21
percent
Composite Effective Marginal Tax Rate:
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