

Portugal vs Argentina
Corporate Tax Comparison
Time of Update: Portugal: 4/04/2026 / Argentina: 4/01/2026
Compare Portugal and Argentina corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Portugal vs Argentina Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Portugal
Argentina
General CIT Rate:
21
General CIT Rate:
0 - ARS 133,514,185.74:25%
ARS 133,514,185.75 - ARS 1,335,141,857.38:30%
above ARS 1,335,141,857.39:35%
ARS 133,514,185.75 - ARS 1,335,141,857.38:30%
above ARS 1,335,141,857.39:35%
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Return Due Date:
The second week of the fifth month 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:
Second week of fifth month after the fiscal year ends.
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:
"Monthly installment payments."
Withholding Tax (WHT)
Portugal
Argentina
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
Resident Withholding Tax (Dividend/Interest/Royalty):
0 / 7 / 6 / 6
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
7 / 0 / 15
05 / 35 / 21 / 28
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Portugal
Argentina
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
General Capital Gain Tax Rate:
Subject to the standard corporate income tax rate (25%–35%).
Effective Tax Rate (ETR)
Portugal
Argentina
Composite Effective Average Tax Rate:
28.42%
Composite Effective Average Tax Rate:
28%
Composite Effective Marginal Tax Rate:
16.01%
Composite Effective Marginal Tax Rate:
21%
