United States vs Hong Kong SAR
Corporate Tax Comparison
Time of Update: United States: 4/04/2026 / Hong Kong SAR: 4/02/2026
Compare United States and Hong Kong SAR corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
United States vs Hong Kong SAR Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
United States
Hong Kong SAR
General CIT Rate:
Federal corporate income tax: 21%. State CIT ranges from 1% to 10% (although some states do not impose CIT) and is deductible from the federal CIT.
General CIT Rate:
Corporations: 8.25% on the first HKD 2 million of assessable profits and 16.5% on the remainder; unincorporated businesses: 7.5% on the first HKD 2 million and 15% on the remainder.
CIT Return Due Date:
1. April 15th (Federal income tax);
2. Income tax is usually due on the same date as federal income tax, but there are a few cases where the dates are different.
2. Income tax is usually due on the same date as federal income tax, but there are a few cases where the dates are different.
CIT Return Due Date:
The tax return forms are typically released on the first working day of April each year. The filing deadline is usually within one month from the day the forms are released. Certain companies (e.g., those with a fiscal year ending on December 31) may have an extended filing deadline, typically until August 15 of the year the forms are released, and in certain circumstances (e.g., electronic filing), extensions may be granted.
CIT Payment Due Date:
As of the 15th day of the 12th month of the tax year.
CIT Payment Due Date:
For companies with a fiscal year ending on December 31st, the final tax payment for a specific tax year is typically due in November of the year when the tax return is filed.
CIT Estimated Payment Due Date:
Throughout the year, four equal instalments of estimated tax should be paid on the 15th day of the fourth, sixth, and ninth months of the tax year, and on the 15th day of the first month of the following year (April 15, June 15, September 15, and January 15).
CIT Estimated Payment Due Date:
For companies with a fiscal year ending on December 31st, interim taxes for a specific tax year will be paid in two installments, typically due in November of the current year and January of the following year.
Withholding Tax (WHT)
United States
Hong Kong SAR
Resident Withholding Tax (Dividend/Interest/Royalty):
0/10/3
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30
None-Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/2.475-4.95
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
United States
Hong Kong SAR
General Capital Gain Tax Rate:
21% (aligned with the federal CIT rate for corporations)
General Capital Gain Tax Rate:
N/A
Effective Tax Rate (ETR)
United States
Hong Kong SAR
Composite Effective Average Tax Rate:
22.69
Composite Effective Average Tax Rate:
14.28
Composite Effective Marginal Tax Rate:
7.03
Composite Effective Marginal Tax Rate:
2.01
