

Portugal vs Seychelles
Corporate Tax Comparison
Time of Update: Portugal: 4/04/2026 / Seychelles: 4/06/2026
Compare Portugal and Seychelles corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Portugal vs Seychelles Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Portugal
Seychelles
General CIT Rate:
21
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).
CIT Return Due Date:
The last day of the fifth month after the end of the tax year.
CIT Return Due Date:
The due date for corporate income tax returns is typically six months after the end of the financial year.
CIT Payment 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 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:
Businesses are required to make quarterly estimated tax payments to manage their tax liabilities effectively.
Withholding Tax (WHT)
Portugal
Seychelles
Resident Withholding Tax (Dividend/Interest/Royalty):
25/25/25
Resident Withholding Tax (Dividend/Interest/Royalty):
0/NA/NA
None-Resident Withholding Tax (Dividend/Interest/Royalty):
25/0-25/25
None-Resident Withholding Tax (Dividend/Interest/Royalty):
15/15/15
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Portugal
Seychelles
General Capital Gain Tax Rate:
25 (same as the normal CIT rate for corporations)
General Capital Gain Tax Rate:
Capital gains are not subject to tax in Seychelles.
Effective Tax Rate (ETR)
Portugal
Seychelles
Composite Effective Average Tax Rate:
28.42%
Composite Effective Average Tax Rate:
23.20%
Composite Effective Marginal Tax Rate:
16.01%
Composite Effective Marginal Tax Rate:
17.33%
