Corporate Tax

Singapore Corporate Tax Compliance, Computation & IRAS Filing

Corporate Tax

Singapore Corporate Tax Computation and Filing

Singapore's corporate tax framework is recognized globally for its competitive 17% headline flat rate, single-tier territorial principle, and lack of capital gains taxation. For local startups, SMEs, and foreign branches, proactive tax structuring translates directly into bottom-line capital preservation.

At JJV Lucky Stars Consultants, our tax specialists prepare accurate tax computations, identify allowable business expense deductions, and capitalize on IRAS Tax Exemption Schemes (such as 75% exemption on the first S$100,000 for qualifying startups). We ensure your annual filings are seamless, punctual, and fully defensible before the tax authorities.

Our Corporate Tax Capabilities Include:

  • Form C / Form C-S / Form C-S (Lite) electronic submission to IRAS.
  • Professional tax computation and capital allowance schedules preparation.
  • Timely Estimated Chargeable Income (ECI) lodgment within 3 months of financial year end.
  • Start-Up Tax Exemption (SUTE) & Partial Tax Exemption (PTE) claim optimization.
  • Proactive IRAS query management and tax correspondence representation.
  • Corporate restructuring tax implications advisory and DTA treaty relief analysis.
  • Punctual statutory deadline tracking to prevent IRAS late submission penalties.

Singapore Tax Exemption Scheme for Qualifying Start-Up Companies

Qualifying new start-up companies in their first 3 consecutive Years of Assessment (YAs) enjoy substantial tax savings:

Tier 1 (First S$100,000)

75% Exemption

75% exemption on the first S$100,000 of normal chargeable income. Effective tax rate is only 4.25%.

Tier 2 (Next S$100,000)

50% Exemption

50% exemption on the next S$100,000 of normal chargeable income. Effective tax rate is only 8.5%.

Standard Rate

Flat 17%

Any chargeable income above S$200,000 is taxed at the flat headline rate of 17%.

IRAS Corporate Tax Filing Framework

Form C-S / Form C-S (Lite) / Form C

Determining the appropriate statutory tax return category for your company

Simplified Filing

Form C-S (Lite)

Designed for micro and small companies with straightforward tax affairs.

Qualifying Criteria:
  • Annual revenue of S$200,000 or below
  • Incorporated in Singapore
  • Derives only income taxed at standard 17% rate
  • Does not claim group relief, investment allowance, or carry-back relief
  • Only 6 essential financial fields required
Key Advantage: Fastest e-filing with minimal data entry required.
Most Common for SMEs

Form C-S

Simplified 3-page corporate tax return for qualifying small businesses.

Qualifying Criteria:
  • Annual revenue of S$5,000,000 or below
  • Incorporated in Singapore
  • Derives income taxable at the prevailing rate of 17%
  • No claims for group relief, foreign tax credits, or investment allowances
  • Declaration of corporate eligibility and basic financial details
Key Advantage: No need to submit financial statements and tax computations upfront (keep on file).
Standard Statutory Return

Form C

For companies that do not meet the qualifying conditions for Form C-S.

Qualifying Criteria:
  • Annual revenue exceeding S$5,000,000
  • Companies claiming group relief, foreign tax credits, or tax concessions
  • Companies claiming investment allowances or research deductions
  • Mandatory submission of Financial Statements & Tax Computation
  • Detailed supporting tax schedules required upon filing
Key Advantage: Full statutory accommodation for intricate corporate structures.

Need Guidance on Filing Form C-S, C-S (Lite), or Form C?

Our experienced tax specialists evaluate your statutory criteria, prepare accurate computations, and guarantee punctual IRAS e-filing.

Consult Our Tax Specialists