South Korea vs Ecuador
Corporate Tax Comparison
Time of Update: South Korea: 4/04/2026 / Ecuador: 4/06/2026
Compare South Korea and Ecuador corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
South Korea vs Ecuador Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
South Korea
Ecuador
General CIT Rate:
Progressive: 10% (up to 200M KRW), 20% (200M-20B KRW), 22% (20B-300B KRW), 25% (over 300B KRW)
General CIT Rate:
Corporate Income Tax (CIT) rates vary depending on the company’s shareholder structure and disclosure compliance, with rates of 22%, 25%, or 28%.
CIT Return Due Date:
Mid-term tax returns: within two months from the end of the six-month period; annual tax returns: within three months from the end of the fiscal year.
CIT Return Due Date:
Between April 9 and April 28 each year.
CIT Payment Due Date:
The submission of the declaration form (instalment payments are allowed in the case of elections).
CIT Payment Due Date:
Between April 9 and April 28 each year.
CIT Estimated Payment Due Date:
N/A
CIT Estimated Payment Due Date:
NA
Withholding Tax (WHT)
South Korea
Ecuador
Resident Withholding Tax (Dividend/Interest/Royalty):
Resident Withholding Tax (Dividend/Interest/Royalty):
0/2/10
None-Resident Withholding Tax (Dividend/Interest/Royalty):
None-Resident Withholding Tax (Dividend/Interest/Royalty):
10/25/25
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
South Korea
Ecuador
General Capital Gain Tax Rate:
25 (the same as the normal CIT rate for corporations over 300B KRW taxable income)
General Capital Gain Tax Rate:
Gains from the transfer of equity rights, such as shares, are taxed at a rate of 10%.
Effective Tax Rate (ETR)
South Korea
Ecuador
Composite Effective Average Tax Rate:
24.87%
Composite Effective Average Tax Rate:
23.34%
Composite Effective Marginal Tax Rate:
22.0%
Composite Effective Marginal Tax Rate:
18.60%
