7 Temasek Boulevard, #12-07 Suntec Tower One, Singapore 038987martin@prosecsingapore.com · +65 8898 4830
ProSec Knowledge Base

Singapore company setup, secretary, accounting and tax guides.

A practical library for foreign founders, SMEs and business owners who want clear, detailed and commercially useful guidance on Singapore compliance.

Editorial blog hero image for Singapore company compliance articles
54 detailed guides

Read by topic

These articles are written to help owners understand the process before contacting a service provider. Each guide includes practical workflow, documents, mistakes and official references.

ProSec regulatory update article image
Regulatory Update

ACRA CSP Registration Singapore: What Business Owners Should Know

A 2025 regulatory guide to Singapore CSP registration, affected corporate services, nominee director controls and what business owners should check before appointing a provider.

Read guide
ProSec regulatory update article image
ACRA Compliance

Singapore AGM and Annual Return Deadlines: Do Not Miss Your ACRA Filing Date

A practical guide to AGM timing, annual return filing, late lodgement penalties and what Singapore private companies should prepare before the deadline.

Read guide
ProSec article image - Singapore Company Incorporation for Foreigners in 2026: Practical Setup Guide
Foreigner Setup

Singapore Company Incorporation for Foreigners in 2026: Practical Setup Guide

A practical, detailed guide for overseas founders planning to register a Singapore private limited company, covering resident director, company secretary, registered office, documents, tax calendar and banking preparation.

Read guide
ProSec article image - Nominee Director in Singapore: Cost, Role, Risks and Practical Controls
Nominee Director

Nominee Director in Singapore: Cost, Role, Risks and Practical Controls

A serious guide to nominee director arrangements for foreign-owned Singapore companies, including what the role should and should not cover, risk controls, KYC, banking limitations and ongoing monitoring.

Read guide
ProSec article image - How to Change Company Secretary in Singapore: Takeover Checklist for Business Owners
Corporate Secretary

How to Change Company Secretary in Singapore: Takeover Checklist for Business Owners

A step-by-step takeover checklist for companies moving from an unresponsive or unsuitable secretary to a new corporate secretary in Singapore.

Read guide
ProSec article image - Corporate Secretary Services in Singapore: What Should Be Included and What Usually Costs Extra
Corporate Secretary

Corporate Secretary Services in Singapore: What Should Be Included and What Usually Costs Extra

A buyer’s guide to corporate secretary packages, covering annual returns, registers, resolutions, share changes, officer changes, compliance reminders and ad hoc work.

Read guide
ProSec article image - Annual Return Filing in Singapore: Deadlines, Penalties and Pre-Filing Checklist
ACRA Compliance

Annual Return Filing in Singapore: Deadlines, Penalties and Pre-Filing Checklist

A detailed guide for private companies preparing annual return filing with ACRA, including deadlines, financial statement readiness, company information checks and common mistakes.

Read guide
ProSec article image - Corporate Tax Filing in Singapore: Form C-S Lite, Form C-S and Form C Explained
Tax Filing

Corporate Tax Filing in Singapore: Form C-S Lite, Form C-S and Form C Explained

A practical guide to Singapore corporate tax filing, documents to prepare, common adjustments and why accounting cleanup should happen before tax filing.

Read guide
ProSec article image - ECI Filing in Singapore: When to File, When Waiver Applies and How to Estimate Correctly
Tax Filing

ECI Filing in Singapore: When to File, When Waiver Applies and How to Estimate Correctly

A detailed guide to Estimated Chargeable Income filing for Singapore companies, including the three-month timeline, nil ECI waiver, instalment planning and founder mistakes.

Read guide
ProSec article image - GST Registration in Singapore: S$1 Million Threshold, Retrospective and Prospective Tests
GST

GST Registration in Singapore: S$1 Million Threshold, Retrospective and Prospective Tests

A practical guide to GST registration liability in Singapore, including taxable turnover, retrospective view, prospective view, supporting documents and common late-registration risk.

Read guide
ProSec article image - Registered Office Address in Singapore: ACRA Requirements and Practical Selection Guide
Registered Office

Registered Office Address in Singapore: ACRA Requirements and Practical Selection Guide

A guide to registered office address requirements, public accessibility, mail handling, privacy, foreign-founder concerns and how the registered office affects compliance.

Read guide
ProSec article image - Company Strike Off in Singapore: Conditions, Timeline, Tax Matters and Mistakes to Avoid
Closing Company

Company Strike Off in Singapore: Conditions, Timeline, Tax Matters and Mistakes to Avoid

A business owner’s guide to striking off a Singapore company, covering ACRA criteria, director consent, tax finalisation, objections and timing.

Read guide
ProSec article image - Dormant Company in Singapore: ACRA and IRAS Filing Requirements Explained
Dormant Company

Dormant Company in Singapore: ACRA and IRAS Filing Requirements Explained

A detailed explanation of dormant company obligations, including annual returns, dormant tax filing, waiver conditions and when a dormant company should be struck off.

Read guide
ProSec article image - Choosing Financial Year End for a Singapore Company: Tax and Filing Consequences
ACRA Compliance

Choosing Financial Year End for a Singapore Company: Tax and Filing Consequences

A guide to choosing FYE strategically for a Singapore company, including first accounting period, AGM deadline, annual return deadline, ECI and tax filing implications.

Read guide
ProSec article image - AGM Requirements for Singapore Private Companies: When to Hold, When to Dispense and What to Prepare
ACRA Compliance

AGM Requirements for Singapore Private Companies: When to Hold, When to Dispense and What to Prepare

A practical guide to annual general meetings for Singapore private companies, including deadlines, financial statements, written resolutions and documentation.

Read guide
ProSec article image - Company Registers in Singapore: EROM, RORC, ROND and RONS Explained for Business Owners
ACRA Compliance

Company Registers in Singapore: EROM, RORC, ROND and RONS Explained for Business Owners

A detailed guide to statutory registers for Singapore companies, explaining public and non-public registers and why updates must be kept consistent.

Read guide
ProSec article image - New Singapore Company First-Year Compliance Calendar: Month-by-Month Checklist
Startup Compliance

New Singapore Company First-Year Compliance Calendar: Month-by-Month Checklist

A month-by-month compliance guide for newly incorporated Singapore companies, covering secretary appointment, accounting setup, ECI, AGM/AR and tax filing.

Read guide
ProSec article image - Singapore Company Setup for Chinese Entrepreneurs: Practical Cross-Border Considerations
Foreigner Setup

Singapore Company Setup for Chinese Entrepreneurs: Practical Cross-Border Considerations

A bilingual-friendly guide for Chinese entrepreneurs setting up a Singapore company, covering resident director, documentation, banking readiness, contracts, tax and cross-border coordination.

Read guide
ProSec article image - Singapore Holding Company Setup: Shares, Dividends, Substance, Tax and Compliance
Corporate Structuring

Singapore Holding Company Setup: Shares, Dividends, Substance, Tax and Compliance

A practical guide to setting up a Singapore holding company, including shareholding design, director arrangements, substance, accounting and tax filing expectations.

Read guide
ProSec article image - Singapore Trading Company Setup: Incorporation, GST, Accounting and Cross-Border Risks
Corporate Structuring

Singapore Trading Company Setup: Incorporation, GST, Accounting and Cross-Border Risks

A guide for commodity, import-export and trading businesses using Singapore companies, covering invoicing, GST, bookkeeping, contracts and tax documentation.

Read guide
ProSec article image - Bookkeeping Services in Singapore: What SMEs Should Prepare Every Month
Accounting

Bookkeeping Services in Singapore: What SMEs Should Prepare Every Month

A practical guide to monthly bookkeeping for SMEs, including source documents, bank reconciliation, expense classification, GST readiness and management reporting.

Read guide
ProSec article image - Accounting Records Singapore Companies Should Keep: Invoices, Bank Statements, Payroll and Contracts
Accounting

Accounting Records Singapore Companies Should Keep: Invoices, Bank Statements, Payroll and Contracts

A detailed checklist of accounting records that Singapore companies should maintain for tax filing, GST, audit readiness and business decision-making.

Read guide
ProSec article image - Unaudited Financial Statements in Singapore: What Directors Should Understand Before Signing
Accounting

Unaudited Financial Statements in Singapore: What Directors Should Understand Before Signing

A practical guide to unaudited financial statements, director responsibility, accounting schedules, tax computation links and common presentation issues.

Read guide
ProSec article image - Small Company Audit Exemption in Singapore: Practical Meaning for SMEs
Accounting

Small Company Audit Exemption in Singapore: Practical Meaning for SMEs

A business-friendly explanation of audit exemption, what it does not remove, and why unaudited accounts still need proper accounting support.

Read guide
ProSec article image - Payroll and CPF Compliance for Singapore SMEs: What to Set Up Early
Payroll

Payroll and CPF Compliance for Singapore SMEs: What to Set Up Early

A practical guide for SME payroll setup, employee records, CPF coordination, payslips, expense reimbursements and accounting integration.

Read guide
ProSec article image - Director Resignation in Singapore: ACRA Filing, Board Records and Sole Director Risks
Corporate Secretary

Director Resignation in Singapore: ACRA Filing, Board Records and Sole Director Risks

A guide to director resignation filings, internal approvals, remaining director requirements and documents to update.

Read guide
ProSec article image - Appointing a New Director in Singapore: Eligibility, Consent, Filing and Registers
Corporate Secretary

Appointing a New Director in Singapore: Eligibility, Consent, Filing and Registers

A step-by-step guide to appointing a director in a Singapore company, including eligibility, consent to act, ACRA filing and statutory register updates.

Read guide
ProSec article image - Share Transfer in a Singapore Private Company: Process, Documents, Stamp Duty and Registers
Corporate Secretary

Share Transfer in a Singapore Private Company: Process, Documents, Stamp Duty and Registers

A practical guide to share transfer procedures, board approval, instrument of transfer, stamp duty coordination and electronic register updates.

Read guide
ProSec article image - Share Allotment in Singapore: Raising Capital, Dilution and ACRA Filing Steps
Corporate Secretary

Share Allotment in Singapore: Raising Capital, Dilution and ACRA Filing Steps

A guide to issuing new shares in a Singapore private company, including commercial rationale, resolutions, payment evidence and register updates.

Read guide
ProSec article image - Changing Registered Office Address in Singapore: Procedure, Timing and Practical Risks
Registered Office

Changing Registered Office Address in Singapore: Procedure, Timing and Practical Risks

A guide to changing a company’s registered office address, including ACRA filing, mail continuity, banking records and contract notices.

Read guide
ProSec article image - Choosing the Right SSIC Code for a Singapore Company: Practical Guide for Founders
Company Setup

Choosing the Right SSIC Code for a Singapore Company: Practical Guide for Founders

A practical guide to choosing SSIC codes for incorporation, tax, bank account opening and business licensing considerations.

Read guide
ProSec article image - Company Constitution in Singapore: Model Constitution vs Custom Constitution
Company Setup

Company Constitution in Singapore: Model Constitution vs Custom Constitution

A guide to the company constitution, when the model constitution is sufficient, and when shareholders should consider customised provisions.

Read guide
ProSec article image - Singapore Company Bank Account Opening: Documents and Readiness Checklist
Banking

Singapore Company Bank Account Opening: Documents and Readiness Checklist

A practical guide to preparing for bank account opening after incorporation, especially for foreign-owned companies and trading businesses.

Read guide
ProSec article image - Cross-Border Tax Planning for Singapore SMEs: Practical Questions Before You Invoice Overseas
Tax Planning

Cross-Border Tax Planning for Singapore SMEs: Practical Questions Before You Invoice Overseas

A practical guide to cross-border tax planning for Singapore SMEs, covering source of income, permanent establishment risk, withholding tax questions and documentation.

Read guide
ProSec article image - Singapore Company Tax Residency: Why Control and Management Matters
Tax Planning

Singapore Company Tax Residency: Why Control and Management Matters

A practical overview of tax residency concepts, board control, documentation and why foreign founders should not ignore governance substance.

Read guide
ProSec article image - Withholding Tax Questions for Singapore SMEs Paying Overseas Parties
Tax Planning

Withholding Tax Questions for Singapore SMEs Paying Overseas Parties

A practical guide to when Singapore SMEs should pause and review withholding tax exposure on overseas payments for services, royalties, interest and directors’ fees.

Read guide
ProSec article image - Management Fees and Related-Party Charges: Documentation for Singapore Companies
Tax Planning

Management Fees and Related-Party Charges: Documentation for Singapore Companies

A guide to intercompany management fees, documentation, service evidence, reasonableness and tax filing readiness.

Read guide
ProSec article image - Expense Claims for Singapore Companies: What Is Claimable, What Needs Evidence and What Creates Tax Risk
Accounting

Expense Claims for Singapore Companies: What Is Claimable, What Needs Evidence and What Creates Tax Risk

A practical guide to employee and director expense claims, receipt standards, reimbursement policies and tax computation implications.

Read guide
ProSec article image - GST Record Keeping in Singapore: Tax Invoices, Credit Notes and Export Evidence
GST

GST Record Keeping in Singapore: Tax Invoices, Credit Notes and Export Evidence

A guide to GST record keeping for Singapore businesses, covering sales invoices, purchase evidence, credit notes, export documents and GST account reviews.

Read guide
ProSec article image - Voluntary GST Registration in Singapore: When It Helps and When It Creates Burden
GST

Voluntary GST Registration in Singapore: When It Helps and When It Creates Burden

A practical guide to voluntary GST registration, cashflow, customer type, input tax, compliance effort and pricing implications.

Read guide
ProSec article image - Late Corporate Tax Filing in Singapore: What Happens and How to Recover
Tax Filing

Late Corporate Tax Filing in Singapore: What Happens and How to Recover

A guide for companies that missed the 30 November corporate tax filing deadline, covering estimated assessments, outstanding accounts and recovery steps.

Read guide
ProSec article image - Late ACRA Annual Return Filing: What Directors Should Do Next
ACRA Compliance

Late ACRA Annual Return Filing: What Directors Should Do Next

A practical guide to recovering from overdue annual returns, updating company information, preparing accounts and avoiding repeated filing offences.

Read guide
ProSec article image - Corppass Setup for Singapore Company Compliance: A Practical Founder Checklist
Compliance Operations

Corppass Setup for Singapore Company Compliance: A Practical Founder Checklist

A guide to Corppass authorisation for ACRA, IRAS and compliance work, including roles, approvals and practical access controls.

Read guide
ProSec article image - Singapore Company Compliance Calendar 2026: ACRA, IRAS, GST and Internal Records
Compliance Operations

Singapore Company Compliance Calendar 2026: ACRA, IRAS, GST and Internal Records

A year-round compliance calendar for Singapore companies, tying together FYE, ECI, AGM, annual return, tax filing, GST and bookkeeping.

Read guide
ProSec article image - Foreign-Owned Singapore Company Compliance: What Overseas Shareholders Must Monitor
Foreigner Setup

Foreign-Owned Singapore Company Compliance: What Overseas Shareholders Must Monitor

A guide for overseas shareholders owning Singapore companies, covering local director, secretary, registers, bank support, accounting and tax calendar.

Read guide
ProSec article image - Nominee Director Due Diligence in Singapore: Why CSPs Ask So Many Questions
Nominee Director

Nominee Director Due Diligence in Singapore: Why CSPs Ask So Many Questions

A guide explaining nominee director due diligence, source of funds, business model review, risk acceptance and why this protects both client and nominee.

Read guide
ProSec article image - Signs You Should Change Your Corporate Secretary in Singapore
Corporate Secretary

Signs You Should Change Your Corporate Secretary in Singapore

A practical article listing warning signs of poor secretary support, from missed reminders to poor document control, and how to transition safely.

Read guide
ProSec article image - Outsourced CFO Support for Singapore SMEs: When Accounting Needs More Than Bookkeeping
Accounting Advisory

Outsourced CFO Support for Singapore SMEs: When Accounting Needs More Than Bookkeeping

A guide to when SMEs should consider outsourced CFO support for management accounts, cashflow, GST, tax planning, bank queries and audit readiness.

Read guide
ProSec article image - Audit Readiness for Singapore SMEs: How to Prepare Before Auditors Ask
Accounting Advisory

Audit Readiness for Singapore SMEs: How to Prepare Before Auditors Ask

A detailed guide to building audit-ready accounting records, schedules, reconciliations and documentation before audit becomes necessary.

Read guide
ProSec article image - Company Secretary vs Accountant in Singapore: Who Does What and Why SMEs Need Both
Corporate Services

Company Secretary vs Accountant in Singapore: Who Does What and Why SMEs Need Both

A guide explaining the difference between statutory secretarial work and accounting/tax work, and why owners should coordinate both functions.

Read guide
ProSec article image - Adding a New Shareholder to a Singapore Company: Transfer vs Allotment Explained
Corporate Secretary

Adding a New Shareholder to a Singapore Company: Transfer vs Allotment Explained

A practical guide comparing share transfer and share allotment, including commercial effect, dilution, approvals and records.

Read guide
ProSec article image - Company Name and Business Activity Changes in Singapore: What to Update After Filing
Corporate Secretary

Company Name and Business Activity Changes in Singapore: What to Update After Filing

A guide to changing company names or business activities and the follow-up actions across ACRA, banks, contracts, invoices and tax records.

Read guide

Want practical advice for your company?

Message us with your UEN, business activity, shareholder/director profile and filing concern. We will point you to the right next step.

WhatsApp Us Now
WhatsApp ProSec

中文客户可以阅读 ProSec 中文指南。

我们新增了 30 篇中文实务文章,围绕外国人注册新加坡公司、Nominee Director、公司秘书、会计税务和跨境税务规划,适合中国及海外华人客户阅读。

阅读中文 Blog
FAQ

Common questions

Is this article legal or tax advice?

No. It is general information for business owners. The correct treatment depends on your company’s documents, transactions, filing history and the latest regulatory position.

Can ProSec review my company’s specific situation?

Yes. Send the ACRA profile, financial year end, ownership structure and a short summary of the issue. We will advise what should be checked next.

Does this apply to foreign-owned Singapore companies?

Often yes, but foreign-owned companies may have additional director, banking, KYC, accounting and cross-border considerations.

Can ProSec explain this in Chinese?

Yes. ProSec can explain Singapore company, secretary, accounting and tax filing matters in both English and Chinese.