Corporate tax exemptions and partial-exemption scheme — Step-by-step walkthrough

Corporate tax exemptions and partial-exemption scheme rules reduce the effective tax bill for Singapore companies. New qualifying companies enjoy a start-up exemption, while others rely on the corporate tax exemptions and partial-exemption scheme on the first tranches of chargeable income. This step-by-step walkthrough explains the rules, the numbers and how to claim.

How corporate tax exemptions and partial-exemption scheme rules work

Singapore taxes companies at a headline rate of 17 per cent on chargeable income, but two exemption schemes lower the effective rate, especially for smaller and newer companies. The Start-Up Tax Exemption (SUTE) supports qualifying new companies in their first three Years of Assessment, while the Partial Tax Exemption (PTE) applies to most other companies on the initial tranches of chargeable income. Both are administered under the Income Tax Act 1947.

For the broader family-office and wealth-tax context, see Form C-S vs Form C-S (Lite) vs Form C: Which Singapore Tax Return Should Your Company File (2026); where exemptions interact with foreign-talent cost planning, DP → EP and DP → LOC conversion routes — Step-by-step walkthrough is a useful companion.

Start-Up Tax Exemption: who qualifies

SUTE is available to a qualifying company for its first three consecutive Years of Assessment, provided it is incorporated in Singapore, is tax-resident here, and has no more than 20 shareholders of whom at least one individual holds at least 10 per cent of the ordinary shares. Investment-holding companies and property-development companies are excluded. The exemption applies generous percentages to the first tranches of normal chargeable income.

Partial Tax Exemption: the standard relief

Companies that do not qualify for SUTE, including those past their first three years, claim the Partial Tax Exemption. Under the current PTE, 75 per cent of the first S$10,000 of normal chargeable income is exempt, and a further 50 per cent of the next S$190,000 is exempt, giving relief on the first S$200,000 of chargeable income. The exemptions are applied automatically in the tax computation. The charging provisions and these reliefs all sit within the Income Tax Act 1947.

Cost, timeline and step-by-step claim

Key numbers and sequence:

• Headline rate: 17 per cent.
• SUTE: 75 per cent exemption on the first S$100,000 and 50 per cent on the next S$100,000 of normal chargeable income, for the first three YAs.
• PTE: 75 per cent on the first S$10,000 and 50 per cent on the next S$190,000.
• Filing: Estimated Chargeable Income within three months of financial year-end; Form C-S, C-S (Lite) or C by 30 November.

Run it as: (1) determine SUTE eligibility for new companies; (2) compute normal chargeable income; (3) apply the correct exemption tier in the tax computation; (4) file ECI and the relevant return; (5) retain supporting records. Our companion explainer at Corporate tax exemptions and partial-exemption scheme — Complete 2026 guide sets out the computation with worked figures.

Interaction with rebates and incentives

Exemptions are applied before any corporate income tax rebate announced in the Budget, so the two stack. Sector incentives may further reduce the rate but can carry conditions. Larger groups should also check the global minimum tax, which can claw back the benefit of a low effective rate. Reporting of the underlying profit follows standards set by the ACRA accounting standards, and statutory accounts are filed through ACRA.

Common mistakes and gotchas

The classic errors are claiming SUTE for an investment-holding or property-development company that is excluded, missing the 10-per-cent individual-shareholder condition, applying SUTE beyond the third Year of Assessment, and confusing the SUTE and PTE tranches. Companies also forget that the exemption applies to normal chargeable income, not to income taxed at concessionary rates. Always reconcile the computation against IRAS guidance before filing.

Choosing between the start-up and partial-exemption tracks

The two exemption tracks are mutually exclusive in any given year, so the first decision is which one applies. A qualifying new company should claim the Start-Up Tax Exemption for its first three Years of Assessment because it is more generous, exempting 75 per cent of the first S$100,000 and 50 per cent of the next S$100,000 of normal chargeable income. From the fourth Year of Assessment, or immediately if the company does not qualify, the Partial Tax Exemption applies, exempting 75 per cent of the first S$10,000 and 50 per cent of the next S$190,000. Knowing which track you are on for the year drives the whole computation.

Eligibility for the start-up track is where companies most often slip. The company must be incorporated in Singapore, be tax-resident here for that year, and have no more than 20 shareholders, with at least one individual holding at least 10 per cent of the ordinary shares throughout the basis period. Investment-holding companies and companies whose principal activity is developing property for sale or investment are excluded outright. A holding company set up purely to own shares in subsidiaries will not get the start-up exemption, though it can still claim the partial-exemption scheme.

Working the computation through

Both exemptions operate on normal chargeable income, the income taxed at the prevailing 17 per cent rate, before any corporate income tax rebate. The sequence is to arrive at chargeable income, apply the relevant exemption tranches to reduce it, tax the balance at 17 per cent, and then apply any Budget rebate to the tax payable. Because the exemption reduces income while the rebate reduces tax, the two are applied at different stages and both should be captured. Income taxed at a concessionary rate under an incentive does not get the standard exemption, so it is kept separate in the computation.

Filing, deadlines and supporting records

The exemptions are not applied for separately; they flow through the tax computation that accompanies your return. Estimated Chargeable Income is filed within three months of the financial year-end unless you are exempt from filing it, and the return itself, Form C-S, C-S (Lite) or C, is due by 30 November. Keep the workings that support the exemption claim, including the shareholder analysis for the start-up track, for at least five years, because the Comptroller can review the basis of the claim within that window.

Worked example: a qualifying start-up

Take a qualifying new company with S$150,000 of normal chargeable income in its first Year of Assessment. Under the start-up exemption, 75 per cent of the first S$100,000 is exempt, removing S$75,000, and 50 per cent of the next S$50,000 is exempt, removing a further S$25,000. That leaves S$50,000 taxable at 17 per cent, a tax of S$8,500 before any rebate. Had the same company been on the partial-exemption track, only the first S$200,000 tranches would apply at the lower 75 and 50 per cent rates on smaller bands, producing a higher taxable balance. The example shows why confirming start-up eligibility is worth the effort.

Related guides and where to go next

Exemptions connect to family-office and wealth-tax planning and to workforce-cost decisions. For the wealth-structuring backdrop, Form C-S vs Form C-S (Lite) vs Form C: Which Singapore Tax Return Should Your Company File (2026) is a useful companion, and where foreign-talent costs feature, DP → EP and DP → LOC conversion routes — Step-by-step walkthrough is relevant. Our deeper walkthrough at Corporate tax exemptions and partial-exemption scheme — Complete 2026 guide sets out the computation with worked figures for both tracks.

FAQs

What is the difference between SUTE and PTE? SUTE is a more generous exemption for qualifying new companies in their first three Years of Assessment; PTE is the standard relief for all other companies.

How much income is exempt under PTE? 75 per cent of the first S$10,000 and 50 per cent of the next S$190,000 of normal chargeable income.

Can an investment-holding company claim SUTE? No. Investment-holding and property-development companies are excluded from SUTE but can still claim PTE.

Do I need to apply for the exemption? No separate application is needed; the exemption is applied in your tax computation and return.

Does the exemption stack with the Budget rebate? Yes. Exemptions reduce chargeable income first, then any CIT rebate applies to the tax payable. Confirm current figures on IRAS.

Need help with this? Call, SMS or WhatsApp +65 8501 7133, or email [email protected]. Raffles Corporate Services works with a panel of corporate and employment law firms; this article is general information, not legal advice.