Compare Norway and Singapore corporate tax rates, filing due dates, withholding tax, VAT, capital gains tax, and effective tax metrics for cross-border company planning.
Published — Norway: 2/14/2024 · Singapore: 2/14/2024 · Time of Update — Norway: 9/26/2026 · Singapore: 9/25/2026
Published — Norway: 2/14/2024 · Singapore: 2/14/2024 · Time of Update — Norway: 9/26/2026 · Singapore: 9/25/2026
Corporate Income Tax (CIT)
Norway
Singapore
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General CIT Rate:
22 (25% of some companies in the financial sector).
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General CIT Rate:
17
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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.
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CIT Return Due Date:
November 30
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CIT Payment Due Date:
Tax arrears must be paid within three weeks after the assessment is announced.
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CIT Payment Due Date:
Tax is payable within one month from the date of the Notice of Assessment.
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CIT Estimated Payment Due Date:
February 15 and April 15.
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CIT Estimated Payment Due Date:
The estimated income tax assessment must be submitted within three months after the end of the company's fiscal year. The estimated tax should be paid within one month after receiving the assessment notice, or paid in installments according to the installment payment plan. No estimated chargeable income (ECI) needs to be filed for a year of assessment when the company's annual revenue for the financial year is S$5,000,000 or below and its ECI is nil (the IRAS ECI filing waiver).
Capital gains are constrained by the normal corporate income tax rate. Gains on shares covered by the participation exemption (skatteloven § 2-38) are tax-free, and losses on them are not deductible.
Effective Tax Rate (ETR)
Norway
Singapore
percent
Composite Effective Average Tax Rate:
21.41%
percent
Composite Effective Average Tax Rate:
16.09%
percent
Composite Effective Marginal Tax Rate:
23.11%
percent
Composite Effective Marginal Tax Rate:
13.15%
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