

Panama vs Portugal
Corporate Tax Comparison
Time of Update: Panama: 4/04/2026 / Portugal: 4/04/2026
Compare Panama and Portugal corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Panama vs Portugal Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Panama
Portugal
General CIT Rate:
25
General CIT Rate:
21
CIT Return Due Date:
Three months after the end of the fiscal year.
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Payment Due Date:
Tax payments must be made within three months after the end of the respective accounting period.
CIT Payment Due Date:
The last day of the fifth month after the end of the tax year.
CIT Estimated Payment Due Date:
6 months, 9 months, and 12 months after the end of the tax year.
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)
Panama
Portugal
Resident Withholding Tax (Dividend/Interest/Royalty):
5, 10 - 20/NA/NA
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
5, 10 - 20/12.5/12.5
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Panama
Portugal
General Capital Gain Tax Rate:
Return on investment sees Panama Company tax summary.
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
Effective Tax Rate (ETR)
Panama
Portugal
Composite Effective Average Tax Rate:
23.33%
Composite Effective Average Tax Rate:
28.42%
Composite Effective Marginal Tax Rate:
18.47%
Composite Effective Marginal Tax Rate:
16.01%
