

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