Corporate Tax Comparison

Finland vs United States

Compare Finland and United States corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Time of Update — Finland: 4/05/2026 · United States: 6/11/2026
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FinlandFinland
United StatesUnited States

Basic Corporate Tax Comparison

Time of Update — Finland: 4/05/2026 · United States: 6/11/2026

Corporate Income Tax (CIT)

Finland
United States
General CIT Rate:
20
General CIT Rate:
Federal corporate income tax: 21%. State CIT generally ranges from 1% to 10% (although some states do not impose CIT) and is deductible for federal CIT purposes.
CIT Return Due Date:
Four months from the end of the accounting period.
CIT Return Due Date:
April 15 for calendar-year corporations (15th day of the 4th month after the tax year-end); a 6-month filing extension to October 15 is available. State income tax returns usually follow the federal due date, with a few exceptions.
CIT Payment Due Date:
Taxpayers can apply to modify the prepayment of tax until the tax assessment is completed (within ten months from the end of the fiscal year). The deadline for the final CIT payment is the third day of the second month after the completion of the tax assessment for the current year.
CIT Payment Due Date:
Tax must be fully paid by the original due date of the return (April 15 for calendar-year corporations); the final estimated instalment is due on the 15th day of the 12th month of the tax year.
CIT Estimated Payment Due Date:
The company's prepayment of taxes is collected in two installments or 12 installments during the tax year. If the total amount to be paid does not exceed 2000 euros, the installments will be due in the third and ninth months of the accounting period. If the total amount to be paid exceeds 2000 euros, the installments will be due monthly (on the 23rd of each month). The tax authorities can collect or increase prepayment of taxes without application within two months after the end of the fiscal year. The tax authorities may reduce or cancel prepayment of taxes (with or without the taxpayer's application) until the tax assessment is completed.
CIT Estimated Payment Due Date:
Four equal instalments of estimated tax, due by the 15th day of the 4th, 6th, 9th and 12th months of the tax year (April 15, June 15, September 15 and December 15 for calendar-year corporations).

Withholding Tax (WHT)

Finland
United States
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
None-Resident Withholding Tax (Dividend/Interest/Royalty):
20/0/15
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/30/30

Value-Added Tax (VAT)

Finland
United States
General VAT Rate:
25.5
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Value-Added Tax (VAT)

Capital Gain Tax (CGT)

Finland
United States
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate.
General Capital Gain Tax Rate:
21% (aligned with the federal CIT rate for corporations)

Effective Tax Rate (ETR)

Finland
United States
Composite Effective Average Tax Rate:
19.71%
Composite Effective Average Tax Rate:
22.69
Composite Effective Marginal Tax Rate:
22.6%
Composite Effective Marginal Tax Rate:
7.03

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