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Tax Services
If you are a start-up, growing business, or established company, managing tax can quickly become complex as regulations evolve and operations expand.
Our integrated tax services support both businesses and individuals, from corporate and personal tax to GST, helping you stay compliant, minimise risk and optimise tax outcomes.
With a practical, end-to-end approach, we ensure your tax obligations are handled accurately and efficiently, so you can focus on growing with confidence.
Corporate Tax
As filing of corporate tax can be complex, many companies engage tax agents to assist with timely and accurate tax submissions. From start-ups to dormant and active companies, we support businesses in identifying their compliance needs, avoiding common pitfalls and addressing challenges in tax compliance.
Our experienced corporate tax team helps you manage your tax obligations, optimise tax savings, and identify and mitigate tax risks through a holistic approach.
Our range of Singapore corporate tax services includes:
- Preparation of income tax returns and tax computations
- Withholding tax compliance, and Certificate of Residence (COR) applications
- Provisional Income Tax for Estimated Chargeable Income (ECI) filing
- Preparation of employee remuneration returns (Form IR8A) and tax clearance (IR21)
- Responding to queries raised by IRAS
Personal Tax+
We are a team of accredited tax professionals and chartered accountants who support individuals, expatriates and business owners in optimising tax savings, meeting personal tax compliance requirements, and avoiding unnecessary penalties.
We also assist companies that employ foreign employees in understanding and fulfilling their tax obligations.
As Singapore continues to strengthen its position as a preferred hub for multinational corporations and global talent, personal tax compliance and optimisation have become increasingly important.
Our range of personal tax services includes:
- Preparation of Income tax returns and tax computations for individuals and partnerships
- Preparation of employee remuneration returns (Form IR8A) and tax clearance (Form IR21)
- Mobility tax advisory and compliance support for internationally mobile employees
- Tax equalisation support
- Responding to queries raised by IRAS
- Applications for voluntary disclosure of past tax errors or omissions to IRAS
- Preparation of 4-line statements for sole-proprietors and self-employed individuals
Indirect Tax
GST compliance in Singapore is subject to increasing scrutiny, and recent audit recoveries indicate that errors and compliance gaps remain common. With penalties for non-compliance, businesses need GST filings that are accurate, consistent, and supported by strong internal controls.
As businesses expand and transactions become more sophisticated, especially with restructuring, cross-border arrangements, and digital commerce—getting GST treatment right can be challenging amid frequent regulatory updates.
We act as your trusted GST partner to help ensure accurate filings, manage risks and maintain audit-ready processes.
Our GST services include:
- Review and e-filing of GST returns
- GST analytics to identify risks and opportunities
- GST health checks and compliance reviews
- Advisory for start-ups, new business arrangements, restructuring and e-commerce or digital transactions
- GST system setup, including tax coding and GST logic integration
- Internal control reviews for GST reporting
Frequently Asked Questions
Do all companies in Singapore need to file corporate income tax returns?
Yes. All companies incorporated or registered in Singapore must file a Corporate Income Tax Return with the Inland Revenue Authority of Singapore (IRAS), even if the company is dormant, incurred losses or had no income during the financial year. Filing is mandatory under the Income Tax Act.
What are the annual corporate tax filing deadlines in Singapore?
There are two main filing obligations:
- Estimated Chargeable Income (ECI): To be filed within 3 months after the financial year end (unless exempted)
- Corporate Income Tax Return (Form C / C‑S / C‑S (Lite)): Due by 30 November of the relevant Year of Assessment (YA)
What is Estimated Chargeable Income (ECI), and is it compulsory?
ECI is an early estimate of a company’s taxable profits for the year. Most companies must file ECI within 3 months after their financial year end. However, a company may be exempt from filing ECI if:
- Annual revenue does not exceed S$5 million, and
- The ECI is NIL.
Which corporate tax form should my company file: Form C, C‑S, or C‑S (Lite)?
The form depends on your company’s size and tax complexity:
- Form C‑S (Lite): For small companies with revenue ≤ S$200,000 and simple tax affairs
- Form C‑S: For companies with revenue ≤ S$5 million and no complex tax claims
- Form C: For companies with higher revenue or more complex tax matters (e.g. group relief, investment allowance)
What is the corporate income tax rate in Singapore?
Singapore applies a flat corporate income tax rate of 17% on chargeable income.
What documents are required for corporate tax filing?
Companies should prepare:
- Financial statements
- Tax computation
- Supporting schedules for deductions and adjustments
While simplified forms (C‑S / C‑S Lite) do not require documents to be submitted upfront, all records must be properly maintained as IRAS may request them for review.
Do dormant companies need to file corporate tax returns?
Yes. Dormant companies are still required to file corporate income tax returns unless they have received a formal waiver from IRAS. Dormant status alone does not remove the filing obligation.
What happens if my company files late or does not file at all?
Late filing or non-filing may result in:
- Late filing penalties or composition fines
- Estimated Notices of Assessment issued by IRAS
- Court summons and additional enforcement actions
Directors remain responsible for compliance even if a tax agent is appointed.
Can corporate tax returns be revised after submission?
Under Singapore tax regulations, taxpayers have a formal right to object to an assessment if they believe the tax computation or allocation of profits is incorrect.
A Notice of Objection must generally be lodged within 30 days from the date of the Notice of Assessment. The objection should clearly state the grounds for objection and the specific adjustments being sought.
This process allows IRAS to review the assessment and revise it where appropriate, based on supporting documentation and explanations provided by the taxpayer.
How can a tax professional help with corporate tax compliance?
A tax professional can help businesses:
- Ensure accurate tax computations
- Maximise available exemptions and deductions
- Reduce compliance risks and administrative burden
This is especially beneficial for companies with group structures, cross‑border income or complex transactions.