Effortless Corporate Tax Compliance in Singapore: ECI & Form C/C-S Filing

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Navigating Singapore's Corporate Tax: Avoid Penalties, Ensure Accuracy.

For businesses in Singapore, managing Corporate Income Tax (CIT) and Estimated Chargeable Income (ECI) can be complex. All Singapore companies must e-File their Corporate Income Tax Returns with IRAS using Form C or Form C-S, with a strict deadline of 30 November, and no extensions are granted. Additionally, ECI must be filed within 3 months from your financial year-end, unless specific waiver conditions are met. Missing these deadlines or submitting inaccurate returns can lead to significant penalties and administrative burdens from IRAS.
FACFO provides comprehensive CIT and ECI services designed to eliminate these worries. Our team of local experts ensures your tax returns are filed accurately and on time, every time. We handle everything from eligibility assessments to meticulous preparation and submission, guaranteeing full compliance with IRAS regulations.

Corporate Income Tax Return (Form C/C-S)

Understanding your corporate tax obligations is crucial for operating compliantly in Singapore.
Mandatory E-Filing

All Singapore companies must e-File their Corporate Income Tax Returns with IRAS using either Form C or Form C-S.

Deadline

The filing deadline is strictly by 30 November of the Assessment Year, and no extensions are granted.

Form C-S Eligibility

To qualify for Form C-S, a company must have an annual revenue of S$1 million or below, derive income only from local sources, and not claim any capital allowances or loss items. Our experts can help determine your eligibility.

Estimated Chargeable Income (ECI)

What it is: ECI is the estimated taxable income of a company, submitted to IRAS after deducting allowable expenses.
Filing Deadline: You must file ECI within 3 months from the end of your financial year.
Waiver Conditions: You are required to submit ECI unless you meet IRAS waiver conditions:

  • Annual revenue is S$5 million or below for the financial year; AND
  • ECI is nil for the Assessment Year (before deducting tax exemption schemes).

Importance: Missing the ECI deadline may result in a Notice of Assessment based on IRAS’s estimation, which may not be in your favor. Even if your company has zero income, filing a nil ECI might still be mandatory unless waiver conditions are met.

Transform Your Financial Operations with FACFO

Guaranteed IRAS Compliance

Ensure all your CIT and ECI filings meet the latest regulatory standards, avoiding penalties and audits.

Accurate Computation & Review

Our specialists meticulously compute your chargeable income and ECI, checking all figures to minimize errors and optimize tax positions.

On-Time Filing, Every Time

Never miss a deadline with our proactive management of your Form C/C-S and ECI submissions.

Seamless Technology Integration

Leverage our Xero/QBO and app ecosystem expertise to build a highly efficient, integrated financial tech stack tailored to your needs.

Eligibility Assessment

Unsure about Form C-S or ECI waiver eligibility? We assess your situation and guide you confidently.

Seamless Digital Process

Say goodbye to paperwork; our efficient process is designed for fully digital tax compliance, making it simple and stress-free.

Dedicated Local Experts

Benefit from our team's deep understanding of Singapore's tax landscape and IRAS requirements.

Risk Mitigation

Our rigorous processes and expert reviews significantly reduce the risk of errors and penalties.

Peace of Mind

Delegate this complex task to us and free up your valuable time to focus on core business growth.

Your Path to Financial Clarity: Our Simple Process

Our process is designed for clarity, efficiency, and strict adherence to IRAS requirements, ensuring your corporate tax obligations are handled seamlessly.

01

Initial Consultation & Needs Assessment
We start by understanding your business, financial year-end, and assessing your specific CIT and ECI filing requirements.

02

Data Collection & Review
We guide you on the necessary financial documents and data required for accurate tax computations.

03

Meticulous Preparation & Computation
Our experts prepare your ECI and Form C/C-S, meticulously computing your estimated and chargeable income, and identifying valuable tax deductions.

04

On-Time E-Submission to IRAS
We present the prepared returns for your review and approval before submissio

05

On-Time E-Submission to IRAS
We ensure your ECI and Corporate Income Tax returns are filed accurately and punctually with the Inland Revenue Authority of Singapore (IRAS).

The FACFO Advantage: Local Expertise, Integrated Solutions, Digital Efficiency

Deep Local Regulatory Knowledge

Our team possesses active and up-to-date expertise in Singapore's Income Tax Act and IRAS requirements.

Proactive Compliance Management

We anticipate deadlines and regulatory changes, ensuring your business is always ahead and avoiding last-minute rushes.

Integrated Financial Services

Seamlessly combine CIT/ECI services with our bookkeeping, accounting, payroll, and corporate secretarial services for a holistic compliance ecosystem.

Technology-Driven Efficiency

Leveraging modern accounting tools and a fully digital process for accurate data processing and streamlined workflows, making tax compliance simple and stress-free.

Client-Centric Approach

We prioritize clear communication and a smooth, efficient process, allowing you to focus on your business.

Risk Mitigation

Our rigorous processes and expert reviews significantly reduce the risk of errors and penalties.

Transparent & Professional Service

Clear agreements outlining the scope and responsibilities, ensuring full understanding and trust.

Transparent Pricing for Your Singapore Corporate Tax & ECI Services

FACFO offers competitive and transparent pricing for our Corporate Income Tax and ECI services, designed to provide value and ensure compliance for your business.

Our Standard Corporate Tax Filing Services Include:

  • Assessment of Form C/C-S eligibility.
  • Meticulous preparation and review of financial statements for tax purposes.
  • Accurate computation of chargeable income and tax payable.
  • Preparation and on-time e-submission of Form C/C-S to IRAS.
  • Ongoing advisory on corporate tax-related queries.

Corporate Income Tax Filing (Form C/C-S):
S$ 800 per filing

Estimated Chargeable Income (ECI) Filing Service:

  • Assessment of ECI filing requirement and waiver eligibility.
  • Computation of estimated chargeable income.
  • Preparation and on-time e-submission of ECI to IRAS.

One-Time Fee for ECI Filing:
S$ 500 per filing

Important Considerations:

Integrated Approach

For comprehensive financial management and seamless tax processing, clients often combine CIT/ECI services with FACFO's Bookkeeping Services and Financial Reporting Services to ensure accurate underlying data.

Custom Solutions

For complex transactions or specific industry requirements, we can tailor a package to suit your needs.

Tax Waiver Application

Assistance with applying for ECI tax waivers is available as an add-on service.

Ethan Lim
Founder & CEO, (SaaS Startup)
“FACFO’s corporate tax services have been invaluable. Their meticulous approach to ECI and Form C-S filing ensures we’re always compliant and never miss a deadline, which is crucial for our fast-growing startup.”
Sofia Tan
CFO, (Biotech Company)
“The peace of mind FACFO provides with their tax filing service is exceptional. We no longer worry about complex computations or potential penalties; they handle everything efficiently and accurately, allowing us to concentrate on our core business.”
Marcus Ong
Managing Director, (Professional Services Firm)
“Switching to FACFO for our corporate tax needs was a smart move. Their team is highly knowledgeable, responsive, and makes the entire e-filing process stress-free. Truly a partner who understands the Singapore tax landscape.”

Your Questions, Answered

What is Form C and Form C-S?

Form C and Form C-S are the Corporate Income Tax Returns that all Singapore companies must e-File with IRAS annually. Form C-S is a simplified version for smaller companies meeting specific criteria, such as annual revenue of S$1 million or below.

ECI is the estimated taxable income of a company for a particular financial year, submitted to IRAS after deducting allowable expenses. It’s a mandatory part of corporate tax compliance for most companies.

The deadline for e-filing Form C/C-S is 30 November of the Assessment Year, with no extensions granted. ECI must be filed within 3 months from the end of your financial year.

Most companies are required to file ECI. However, you may be waived from filing if your annual revenue is S$5 million or below AND your ECI is nil for the Assessment Year.

Non-compliance or missing deadlines can result in penalties from IRAS, including fines and potential enforcement actions. For ECI, IRAS may issue a Notice of Assessment based on their estimation, which might not be in your favour.

Can I amend my ECI after submission to IRAS?
A: Yes, you can generally revise your ECI if there are changes to your estimated income. However, it’s crucial to do this promptly and accurately. Our team can assist with any necessary amendments.

Our process involves meticulous review of your financial records, expert application of tax laws, and leveraging technology to ensure all allowable deductions are claimed and computations are precise before submission to IRAS.

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