United Arab Emirates vs Portugal
Corporate Tax Comparison
Time of Update: United Arab Emirates: 4/01/2026 / Portugal: 4/04/2026
Compare United Arab Emirates and Portugal corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
United Arab Emirates vs Portugal Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
United Arab Emirates
Portugal
General CIT Rate:
The standard corporate income tax rate in the UAE is set at 9% on taxable income above AED 375,000.
The corporate income tax rate is set at 0% for taxable income not exceeding 375,000 UAE dirham (AED) or qualifying income of a Qualifying Free Zone Person (QFZP).*
The corporate income tax rate is set at 0% for taxable income not exceeding 375,000 UAE dirham (AED) or qualifying income of a Qualifying Free Zone Person (QFZP).*
General CIT Rate:
21
CIT Return Due Date:
According to the UAE CT law, all taxable persons must submit the company tax return within nine months after the end of the relevant tax period.
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Payment Due Date:
According to the UAE CT law, all taxable persons must pay corporate tax within nine months after the end of the relevant tax period.
CIT Payment Due Date:
The last day of the fifth month after the end of the tax year.
CIT Estimated Payment Due Date:
According to the UAE CT law, there is no need to estimate/prepay taxes.
CIT Estimated Payment Due Date:
Three-stage installment payments due in July, September, and December (if the tax year corresponds to the calendar year). Under certain conditions, the final installment payment may be waived.
Withholding Tax (WHT)
United Arab Emirates
Portugal
Resident Withholding Tax (Dividend/Interest/Royalty):
0%
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
0%
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
United Arab Emirates
Portugal
General Capital Gain Tax Rate:
Individuals: Generally, there is no personal capital gains tax, as the UAE does not levy personal income tax.
Companies: Capital gains are generally treated under corporate tax rules and typically fall within the scope of corporate tax, unless special rules such as the participation exemption or QFZP (Qualifying Free Zone Person) apply.
Companies: Capital gains are generally treated under corporate tax rules and typically fall within the scope of corporate tax, unless special rules such as the participation exemption or QFZP (Qualifying Free Zone Person) apply.
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
Effective Tax Rate (ETR)
United Arab Emirates
Portugal
Composite Effective Average Tax Rate:
Composite Effective Average Tax Rate:
28.42%
Composite Effective Marginal Tax Rate:
Composite Effective Marginal Tax Rate:
16.01%
