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ANLIAN GROUP

Comparison · L6

ACRA vs IRAS vs MOM: What Each Singapore Regulator Does

In one sentence

ACRA owns corporate registration and AGM/AR filing; IRAS owns income tax, GST, and withholding tax; MOM owns work passes and employment-side rules including foreign worker quotas.

Top 5

  1. ACRA — Accounting and Corporate Regulatory Authority. Maintains the corporate registry; receives Annual Returns and AGM filings via BizFile; administers the Companies Act 1967, LLP Act 2005, and Business Names Registration Act 2014.
  2. IRAS — Inland Revenue Authority of Singapore. Administers the Income Tax Act 1947, the GST Act, withholding tax, stamp duty, and various tax incentive schemes; issues Notices of Assessment and Certificates of Residence.
  3. MOM — Ministry of Manpower. Administers Employment Pass, S Pass, Work Permit, EntrePass, and the COMPASS framework; oversees employment law, Employment Act, foreign worker levies, and workplace safety.
  4. EDB and Enterprise Singapore are statutory boards that complement these regulators on incentive and ecosystem programmes (Tech.Pass, Startup SG, etc.) rather than as primary tax/employment regulators.
  5. MAS administers fund tax incentives (13O / 13U) and financial-services licences but does not regulate non-financial business operations broadly.

Side-by-side comparison

DomainACRAIRASMOM
Corporate registration / incorporationYes — primary registrarNoNo
Annual Return / AGM filingYes — BizFileNoNo
Income tax (corporate and personal)NoYes — primary regulatorNo
GST registration and filingNoYes — primary regulatorNo
Withholding taxNoYes — primary regulatorNo
Work passes (EP / S Pass / WP / EntrePass)NoNoYes — primary regulator
COMPASS frameworkNoNoYes — primary regulator
Foreign worker levy and quotaNoNoYes — primary regulator
CPF (Central Provident Fund)NoNo (administered by CPF Board)Employment-side rules; CPF Board is the primary CPF regulator

Methodology

This comparison maps the published remits of ACRA, IRAS, and MOM as set out in their respective official websites and the underlying statutes. Where remits intersect — for example, IR8A reporting requires both an IRAS filing dimension and an MOM employment-record dimension — the article identifies the intersection rather than forcing a single regulator label.

Detailed analysis

ACRA

Accounting and Corporate Regulatory Authority — Corporate Registry

Best for: Incorporation, business registration, Annual Return filing, AGM compliance, change of corporate particulars, business profile retrieval, and statutory filings under Companies Act / LLP Act / Business Names Registration Act.

Pros

  • Single online channel (BizFile) for nearly all corporate filings — incorporations, AR, change of director, change of registered office.
  • Pre-filled fields in BizFile reduce filing errors year-on-year.
  • Corporate registry is publicly accessible — third parties can verify counterparties via Bizfile profile lookups.

Cons

  • Persistent late filing escalates from financial penalty to director-level enforcement to ultimate striking off.
  • AGM and AR deadlines (6 months and 7 months after FYE) require year-round compliance discipline.
  • BizFile changes affect filing flows; users need to track ACRA notifications.

Cost: Engagement scope and pricing scoped per case during the strategy call.

Source: ACRA — Setting up a Local Companyverified 2026-05-02

IRAS

Inland Revenue Authority of Singapore — Tax Administration

Best for: Corporate income tax, personal income tax, GST registration and filing, withholding tax filings, stamp duty, Certificates of Residence, tax exemption scheme applications, Auto-Inclusion Scheme participation.

Pros

  • Central role in the Singapore tax framework — single counterparty for income tax, GST, WHT, and most tax incentives.
  • IRAS published e-Tax Guides give the authoritative interpretation of the legislation.
  • Auto-Inclusion Scheme reduces friction in employee tax filing for participating employers.

Cons

  • Tax filing deadlines are non-discretionary — 30 November for corporate income tax (Form C-S/C); 18 April e-filing or 15 April paper filing for personal income tax.
  • GST filing (quarterly by default) adds compliance burden once registered.
  • WHT filing is due 15th of second month after payment — easy to miss without calendar discipline.

Cost: Engagement scope and pricing scoped per case during the strategy call.

Source: IRAS — Corporate Income Taxverified 2026-05-02

MOM

Ministry of Manpower — Workforce and Employment Administration

Best for: All work pass applications and renewals, COMPASS framework compliance, foreign worker levy and quota management, employment law (Employment Act), workplace safety and health, foreign domestic worker matters.

Pros

  • Single portal for work pass applications and renewals (MOM EP Online, S Pass System, EntrePass channel).
  • Published frameworks for each pass type with clear eligibility and renewal criteria.
  • COMPASS introduced points-based transparency for EP applications since 1 September 2023.

Cons

  • Sector-specific rules (construction, manufacturing, services) make Work Permit hiring complex.
  • Foreign worker quota and Dependency Ratio Ceiling cap hiring at scale.
  • Pass renewal review increasingly substantive — past pattern is no longer sufficient predictor.

Cost: Engagement scope and pricing scoped per case during the strategy call.

Source: MOM — Passes and Permitsverified 2026-05-02

Decision framework

  1. Need to register a new company or update corporate particulars?

    ACRA via BizFile.

  2. Need to file corporate or personal income tax, register for GST, or apply for a tax incentive?

    IRAS via myTax Portal or e-Services.

  3. Need to apply for or renew a work pass, manage foreign worker levy, or review COMPASS positioning?

    MOM via the relevant pass-specific online channel.

  4. Need to apply for fund tax incentives (13O / 13U) or financial services licensing?

    MAS — separate regulator from the three above; administers the financial-services framework.

Frequently asked questions

Where do CPF contributions sit in this regulator map?
CPF is administered by the CPF Board, a separate statutory board. MOM owns the broader employment-side rules and intersects with CPF Board on employer CPF obligations. CPF reporting and contribution submissions go through CPF Board channels.
When does ACRA share information with IRAS or MOM?
Government agencies share data under approved frameworks for compliance and administrative purposes. ACRA-filed financial statements are visible to IRAS for tax assessment; MOM cross-references ACRA records when validating employer information for pass applications.
Which regulator handles the registration of a sole proprietorship?
ACRA. Sole proprietorships register under the Business Names Registration Act 2014 administered by ACRA. The owner files personal income tax with IRAS based on the sole proprietorship's profits.
Which regulator owns Auto-Inclusion Scheme (AIS) for employment income?
IRAS administers AIS as part of personal income tax administration. Employers participating in AIS submit employee income data electronically to IRAS who pre-fills the employee's tax return.
What if I get conflicting guidance from different regulators?
Each regulator administers its own legislation; their remits do not produce direct conflicts. Where a single transaction touches multiple regulators (for example, ESOP touches IRAS for tax and ACRA for share-issue filing), each regulator's rules apply independently. Conflicting interpretations should be resolved with both regulators rather than relying on one alone.

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