Singapore Self-Employed EP Company Tax Requirements 2025 Latest Compliance Guide
In 2025, the Inland Revenue Authority of Singapore (IRAS) has comprehensively upgraded its tax supervision of self-employed EP companies. The traditional "outsourced bookkeeping" model can no longer meet the new compliance requirements. The tax responsibilities of self-employed EP holders are far more complex than ordinary work permit holders, involving multiple dimensions such as corporate income tax, personal income tax, and goods and services tax. Any oversight may lead to obstacles in EP renewal.

I. 2025 Basic Tax Types and Reporting Framework
1. Corporate Income Tax (CIT)
- Reporting Cycle:
- Annual filing (within 3 months after fiscal year-end)
- New quarterly estimated tax filing in 2025 (for companies with revenue exceeding SGD 500,000)
- Tax Rate Structure: Taxable Income (SGD) Tax Rate First 300,000 4.5%-8.5% Excess portion 17%
- EP Holder Salary Treatment:
- Fully deductible (not exceeding 30% of industry salary benchmark)
- Director's fees must be declared separately (cannot avoid CPF)
2. Personal Income Tax (for EP Holders)
- Filing Key Points:
- Salary income taxed at resident rates (0-22%)
- Dividend income tax-exempt (subject to conditions)
- Overseas income must be declared from 2025 (taxation depends on DTA)
- Optimization Opportunities:
- Reasonable allocation between salary and dividend ratio
- Family tax relief (children's education, etc.)
3. Goods and Services Tax (GST)
- Registration Threshold:
- Mandatory registration: Past 12 months' taxable revenue ≥ SGD 1 million
- Voluntary registration: Must maintain for at least 2 years
- 2025 New Rules:
- Mandatory e-invoicing implementation (must use Peppol standard)
- Expanded taxation scope for cross-border digital services
II. Key Filing Timeline (2025)
- Estimated Chargeable Income
- Submit within 1 month after fiscal year-end
- Penalty for deviation exceeding 30% (first-year EP companies exempted)
- Form C Income Tax Filing
- Deadline November 30 (e-filing)
- Late penalty 0.02% per day
- GST Filing
- Quarterly filing (three cycles available: 1st/7th/10th of each month)
- Real-time invoice upload from 2025
- Employee Tax (Form IR8A)
- Submit before March 1 each year
- EP holder's own salary must also be declared
III. Special Tax Treatment for EP Companies
1. Loss Carry-forward
- Can be carried forward indefinitely (2025 removes previous 3-year limit)
- Cannot be used to offset holder's personal income
2. Capital Allowances
- Pre-commencement expenses: Amortized over 5 years (previously 1 year)
- Equipment purchases: Enjoy 40% enhanced deduction (limited to first SGD 400,000)
3. International Tax
- Transfer pricing documentation (required for revenue exceeding SGD 10 million)
- Controlled Foreign Corporation (CFC) rules reporting
IV. 2025 Audit Focus and Risk Prevention
1. High-Risk Areas
- EP Holder Salary Reasonableness:
- Matching with company scale (10%-30% of revenue is safe zone)
- Industry benchmark comparison (MAS publishes industry data)
- Related Party Transactions:
- Service fee payments to overseas related parties (must follow arm's length principle)
- Case: A trading company's taxable income adjusted up 35% due to high-priced imports
2. Upgraded Audit Methods
- Big Data Analysis:
- Automatic comparison between bank transactions and declared income
- Industry average deviation alert (triggers review if exceeding ±20%)
- Blockchain Verification:
- Real-time invoice authenticity verification
- Cross-border payment tracking
3. Compliance Recommendations
- Retain original documents for at least 5 years (electronic archiving accepted from 2025)
- Obtain Advance Tax Ruling for major transactions
- Use IRAS-certified accounting software (e.g., QuickBooks SG)
V. Connection Between Tax Filing and EP Renewal
- Importance of Tax Clearance Certificate
- Must submit 2 years of tax records for EP renewal
- Outstanding tax exceeding SGD 10,000 will freeze renewal
- Healthy Tax Indicators
- Corporate income tax rate < industry average + 15%
- GST filing punctuality rate 100%
- Optimization Strategies
- R&D expense super deduction (up to 250%)
- Pioneer enterprise tax exemption qualification application (suitable for tech companies)
VI. Industry-Specific Treatment
1. E-commerce Enterprises
- Platform income split reporting (must differentiate B2B/B2C)
- Overseas warehouse inventory tax treatment
2. Consulting Services
- Travel expense deduction limits (international flights not fully deductible)
- Client prepayment tax timing
3. Family Offices
- Fund tax incentives (Section 13X/13R)
- Offshore income reporting details
Conclusion: Tax Compliance is the Lifeline of EP Maintenance
The 2025 Singapore self-employed EP tax environment is undergoing a qualitative change—from "formal compliance" to "substantive compliance." Those entrepreneurs who successfully maintain their EP status have long upgraded tax management from an annual task to a core element of daily operations. They understand deeply: in Singapore, clean tax records are not just a legal requirement but the cornerstone of business credibility. When your tax filing materials can demonstrate professional, transparent, and forward-looking tax strategies, rather than just barely meeting minimum filing requirements, your EP renewal will have the most solid guarantee. Remember, in this era of big data taxation, good tax planning is not about exploiting loopholes, but about building business logic that can withstand scrutiny—this is precisely the entrepreneurial quality that the Singapore government truly wants to filter through tax policies.