
Corporate Management & Maintenance
Corporate Tax Filing & Compliance Services
Our services
Corporate Tax and Filing Services
Singapore companies must complete their corporate income tax and other applicable tax filings based on their financial year end, business activities and tax profile.
ZN Overseas provides comprehensive tax compliance support, including the organisation of accounting records, filing schedule planning and assistance with IRAS correspondence. Our services help reduce the risks of late filing, inaccurate submissions and tax penalties.
Our Services
• Estimated Chargeable Income, ECI, filing
• Corporate Income Tax filing, including Form C-S, Form C-S (Lite) and Form C
• Tax computation and supporting document preparation
• Goods and Services Tax, GST, registration and filing
• Withholding Tax filing
• Personal Income Tax filing
• Stamp Duty and other tax matters
• Assistance with IRAS enquiries and correspondence
• Tax compliance reviews and basic tax planning
• Coordination of audit, annual return and tax filing documents
ZN Overseas provides tailored tax filing and compliance solutions based on each company’s financial year, revenue structure and actual operations, allowing clients to focus on business growth and long-term development.
Key Singapore Corporate Tax Information
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Singapore’s prevailing Corporate Income Tax rate is 17% of chargeable income.
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Companies must generally file their ECI within three months after the end of their financial year, unless they qualify for an ECI filing waiver. Companies must also submit the applicable Form C-S, Form C-S (Lite) or Form C.
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Qualifying new companies may enjoy tax exemptions during their first three consecutive Years of Assessment, comprising a 75% exemption on the first S$100,000 of normal chargeable income and a 50% exemption on the next S$100,000.
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The applicability of GST, Withholding Tax, Stamp Duty and other taxes depends on the company’s turnover, transaction type and payment recipients.
ZN Overseas provides tailored tax filing and compliance solutions based on each company’s financial year, revenue structure and actual operations, helping businesses meet their tax obligations accurately while focusing on long-term growth.

