

Australia vs Norway
Corporate Tax Comparison
Time of Update: Australia: 3/24/2026 / Norway: 4/05/2026
Compare Australia and Norway corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Australia vs Norway Corporate Tax Comparison
Basic Corporate Tax Comparison
Corporate Income Tax (CIT)
Australia
Norway
General CIT Rate:
30%, with a reduced rate of 25% for small to medium businesses
General CIT Rate:
22 (25% of some companies in the financial sector).
CIT Return Due Date:
15th day of the seventh month following the end of the income year
CIT Return Due Date:
At the end of May of the next fiscal year (according to the oil tax system, the end of April). Other requirements may apply to specific business sectors, such as hydroelectric power.
CIT Payment Due Date:
First day of the sixth month following the end of the income year.
CIT Payment Due Date:
Tax arrears must be paid within three weeks after the assessment is announced.
CIT Estimated Payment Due Date:
Monthly or quarterly.
CIT Estimated Payment Due Date:
February 15 and April 15.
Withholding Tax (WHT)
Australia
Norway
Resident Withholding Tax (Dividend/Interest/Royalty):
0/0/0
Resident Withholding Tax (Dividend/Interest/Royalty):
None-Resident Withholding Tax (Dividend/Interest/Royalty):
30/10/30
None-Resident Withholding Tax (Dividend/Interest/Royalty):
Value-Added Tax (VAT)
Capital Gain Tax (CGT)
Australia
Norway
General Capital Gain Tax Rate:
Capital gains are subject to the normal CIT rate (30%)
General Capital Gain Tax Rate:
Capital gains are constrained by the normal corporate income tax rate.
Effective Tax Rate (ETR)
Australia
Norway
Composite Effective Average Tax Rate:
28.50%
Composite Effective Average Tax Rate:
21.41%
Composite Effective Marginal Tax Rate:
28.56%
Composite Effective Marginal Tax Rate:
23.11%
