

Seychelles vs Portugal
Corporate Tax Comparison
Time of Update: Seychelles: 4/06/2026 / Portugal: 4/04/2026
Compare Seychelles and Portugal corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Seychelles vs Portugal Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Seychelles
Portugal
General CIT Rate:
Standard business tax: 15% on the first SCR 1 million, 25% above. Telecom, banking, insurance, alcohol & tobacco manufacturers: 25% on the first SCR 1 million, 33% above. Small business presumptive tax: 1.5% on turnover (non-VAT registered, under SCR 1M turnover).
General CIT Rate:
21
CIT Return Due Date:
The due date for corporate income tax returns is typically six months after the end of the financial year.
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Payment Due Date:
Corporate income tax payments are generally due six months after the end of the financial year, in line with the return filing deadline.
CIT Payment Due Date:
The last day of the fifth month after the end of the tax year.
CIT Estimated Payment Due Date:
Businesses are required to make quarterly estimated tax payments to manage their tax liabilities effectively.
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)
Seychelles
Portugal
Resident Withholding Tax (Dividend/Interest/Royalty):
0/NA/NA
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
15/15/15
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Seychelles
Portugal
General Capital Gain Tax Rate:
Capital gains are not subject to tax in Seychelles.
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
Effective Tax Rate (ETR)
Seychelles
Portugal
Composite Effective Average Tax Rate:
23.20%
Composite Effective Average Tax Rate:
28.42%
Composite Effective Marginal Tax Rate:
17.33%
Composite Effective Marginal Tax Rate:
16.01%
