Complete SME Business Guide for Singapore Entrepreneurs

Running a business in Singapore is genuinely one of the better experiences in Southeast Asia , the infrastructure is solid, the tax rates are low, and the government actively wants companies to succeed. But none of that stops the compliance side from feeling like a second job if you’re not prepared for it.

This guide covers what Singapore SME owners actually need to know: how to incorporate, what you pay in tax, when GST kicks in, who your corporate secretary is supposed to be, and what happens when you file annual returns. We’ve tried to cut through the jargon and give you the practical version — the kind of thing we talk about with clients every day at BSH Group.

Nothing here replaces specific professional advice for your situation, but it should give you a solid base.

TABLE OF CONTENTS

1. What counts as an SME in Singapore

Singapore defines an SME as a business with annual sales turnover below S$100 million or fewer than 200 employees. For government grants and schemes, ACRA registration and local majority control are often additional requirements.

The definition matters because it determines which grants, loans, and tax schemes you can access. Enterprise Singapore, for example, uses the S$100 million / 200 employee benchmark as a starting filter for most SME support programmes.

In practice, most first-time entrepreneurs are nowhere near those thresholds. If you’re running a new private limited company with a handful of staff, you comfortably qualify and that comes with real advantages.

Structure	Personal Liability	Tax Treatment	Best For
Sole Proprietorship	Unlimited	Owner’s personal income tax rate	Freelancers, very small ops
Partnership	Unlimited (partners)	Partners’ personal income tax rates	Professional partnerships
Private Limited (Pte Ltd)	Limited to paid-up capital	Corporate rate (max 17%)	Growth-oriented SMEs
LLP	Limited (members)	Members’ personal income tax rates	Professional services firms

The Private Limited structure is what most growth-focused SMEs choose — and for good reason. You’re protected from personal liability beyond your share capital, and the corporate tax exemptions for new companies are genuinely attractive.

2. Incorporating your company

Most Singapore Private Limited Companies are incorporated within 1–3 business days via ACRA’s BizFile+ portal. You need a company name, at least one local resident director, a registered Singapore address, and a company constitution.

Incorporation itself is not complicated. ACRA has made BizFile+ reasonably straightforward, and most name applications are approved or rejected within an hour. The full incorporation once your documents are in order, is typically done in one to three working days.

What you actually need

A company name (ACRA checks for conflicts and prohibited words)
At least one director who is ordinarily resident in Singapore (Singapore citizen, PR, or valid work pass holder)
At least one shareholder (can be the same person as the director)
A registered office address in Singapore (PO boxes don’t count)
A company constitution (previously called the M&A)
A corporate secretary appointed within 6 months of incorporation

Minimum paid-up capital is just $1. You don’t need to put tens of thousands in before you start.

Tip: If you’re a foreigner without a local director lined up, you’ll need to appoint a nominee director. This is a common arrangement just ensure the nominee director agreement is properly documented and the person is trustworthy. BSH Group can help with company incorporation, including advice on director requirements for foreign founders.

Post-incorporation checklist

Incorporation is day one — not the finish line. Within the first few months, you’ll need to:

Open a corporate bank account
Register for GST if you expect turnover to hit S$1 million within 12 months
Appoint a corporate secretary
Set up your accounting system
Register employees with CPF Board once you hire local staff

The earlier you sort these out, the less scrambling you’ll do later. Missing CPF deadlines or not registering for GST when you should have are both common (and costly) early mistakes.

Our company incorporation service in singapore covers the full setup process — ACRA filing, constitution drafting, and post-incorporation compliance.

Ready to incorporate?

Skip the paperwork confusion. BSH Group manages the full process — name reservation, ACRA filing, constitution drafting, and post-incorporation setup.

Get a Free Consultation

3. Accounting and bookkeeping basics

Singapore companies must maintain proper accounting records for at least five years. Records must be accurate enough to produce financial statements that comply with Singapore Financial Reporting Standards (SFRS). Failure to keep proper books is a statutory offence under the Companies Act.

Here’s the thing most first-time founders underestimate: bad bookkeeping doesn’t just create headaches at year-end — it creates problems that compound. Misclassified expenses, missing invoices, directors’ loan accounts not properly tracked. All of these show up later when you’re trying to raise money, get a bank loan, or sell the business.

Good accounting is less about checking a compliance box and more about having reliable numbers to run the company on.

What you need to track from day one

All income (invoices, receipts, bank deposits)
All expenses (with supporting documents)
Directors’ transactions with the company
Inventory if you’re in a product business
Fixed assets (computers, equipment, furniture)
Payroll records, including CPF contributions

Cloud accounting vs spreadsheets

Accounting software like Xero or QuickBooks is well worth the subscription cost once you have more than a handful of transactions a month. Spreadsheets work at the very start but get messy fast — and they don’t integrate with bank feeds or generate reports automatically.

If accounting isn’t where you want to spend your time (and for most founders, it isn’t), outsourced bookkeeping is a practical option. You stay focused on the business; someone else keeps the records clean. BSH Group’s bookkeeping service handles this for SMEs across industries.

Important Singapore law requires you to keep accounting records for a minimum of five years. This applies even if the company has been dormant. Destroying records early can result in prosecution.

4. Corporate tax - what SMEs actually pay

Singapore’s corporate income tax rate is 17%, but most new SMEs pay substantially less due to startup exemptions. New companies get a 75% tax exemption on the first S$100,000 of chargeable income and 50% on the next S$100,000 — for their first three years of assessment.

Singapore’s headline corporate tax rate of 17% is already one of the lowest in the world. For new companies, the effective rate is even lower, thanks to the Startup Tax Exemption (SUTE) scheme.

Startup Tax Exemption (SUTE)

Chargeable Income	Exemption %	Max Exempt Amount
First S$100,000	75%	S$75,000
Next S$100,000	50%	S$50,000

This applies for the first three years of assessment (YAs). After that, the Partial Tax Exemption (PTE) kicks in — the rates are lower but still meaningful.

Filing deadlines you must not miss

Estimated Chargeable Income (ECI): Filed within 3 months of your financial year-end
Corporate Income Tax Return (Form C or C-S): Due by 30 November each year

Form C-S (Lite) is available for companies with revenue of S$200,000 or less, which simplifies the process considerably for small businesses.

Watch out Paying yourself as a director matters for tax. Directors’ fees are deductible for the company but taxable as personal income for you. How you structure remuneration — salary vs fee vs dividends — has real tax implications. Get specific advice on this before you decide.

BSH Group’s tax filling services cover both corporate and personal income tax planning and filing, including ECI and Form C-S submissions for SMEs.

5. GST: when you must register and what it means

GST registration in Singapore is mandatory when your taxable turnover exceeds S$1 million in a 12-month period, or when you expect to cross that threshold in the next 12 months. The current GST rate is 9%. Voluntary registration is also possible if you’re not yet at the threshold.

A lot of founders don’t think about GST until they’re told they needed to register six months ago. Mandatory registration isn’t something you choose — it’s triggered automatically when your turnover hits the threshold. Registering late means you’ll owe GST on past sales you already collected at zero-rated prices.

GST registration: mandatory vs voluntary

Mandatory: Taxable turnover exceeds S$1 million in the past 12 months (retrospective basis) or you reasonably expect to exceed S$1 million in the next 12 months (prospective basis)
Voluntary: You can register even below the threshold — useful if your customers are GST-registered businesses who can claim input tax back

What being GST-registered means in practice

You charge 9% GST on taxable supplies to customers
You claim back GST paid on your business purchases (input tax)
You file GST returns quarterly (or monthly for some businesses)
You keep GST records for at least five years

The accounting for GST is manageable but must be done correctly. Errors in GST claims particularly input tax claims on disallowed items are a common source of IRAS queries.

6. Why every company needs a corporate secretary

Every Singapore company must appoint a corporate secretary within six months of incorporation. The corporate secretary maintains statutory registers, files annual returns with ACRA, organises AGMs, and keeps the company compliant with the Companies Act. It’s a legal requirement, not optional.

This is the one that surprises most new founders. The corporate secretary isn’t a personal assistant — it’s a formal statutory role with specific legal responsibilities. The secretary must be a natural person who is ordinarily resident in Singapore.

What a corporate secretary does

Files annual returns and financial statements with ACRA
Maintains the company’s statutory registers (directors, shareholders, charges)
Prepares and files resolutions for directors and shareholders
Organises and records Annual General Meetings (where required)
Notifies ACRA of any changes to directors, shareholders, or registered address
Ensures the company meets key deadlines (ACRA, IRAS, MOM)

Some founders try to appoint themselves as secretary. That’s allowed only in limited circumstances — specifically, a sole director cannot also be the secretary.

Most SMEs appoint a professional firm to handle secretarial duties. BSH Group’s corporate secretarial service covers the full scope from routine filings to AGM management and regulatory updates.

Important: Failing to appoint a corporate secretary within six months of incorporation is a breach of the Companies Act. ACRA can issue fines, and directors are personally liable for compliance failures.

7. Financial statements and ACRA filing

Singapore companies must prepare annual financial statements in compliance with Singapore Financial Reporting Standards (SFRS). These must be presented to shareholders and filed with ACRA as part of the annual return. Small companies that qualify for audit exemption still need to prepare financial statements.

Every year, your company needs to produce three core documents: a balance sheet (or statement of financial position), a profit and loss account, and a statement of changes in equity. For most SMEs, a compilation report prepared by your accountant satisfies this requirement.

What goes into the financial statements

Statement of Financial Position (assets, liabilities, equity)
Statement of Profit or Loss (revenue, expenses, net profit)
Statement of Changes in Equity
Notes to the Financial Statements

Filing with ACRA

You file your annual return via BizFile+. The deadline is within 7 months of your financial year-end for private companies. Missing this deadline results in a late filing fee and can escalate to director disqualification in serious cases.

XBRL filing is required for companies that are not small companies — meaning they fail the small company test. Most early-stage SMEs are exempt from XBRL but should confirm this annually as they grow.

BSH Group prepares financial statements for SMEs across sectors and handles the full ACRA filing process.

8. Audit exemption - do you qualify?

A Singapore company qualifies for audit exemption if it is a private company AND meets at least 2 of 3 criteria for the past two consecutive financial years: annual revenue below S$10 million, total assets below S$10 million, or fewer than 50 employees.

Statutory audits are expensive and time-consuming. The good news is that most SMEs don’t need one.

The small company test

Criterion	Threshold
Annual revenue	Below S$10 million
Total assets	Below S$10 million
Number of employees	Fewer than 50

You need to meet at least two of the three for the past two consecutive financial years. New companies also get some leniency in the first year.

If you’re part of a group, the rules are more complex — the group as a whole must also qualify. That’s worth checking with your accountant if your holding structure is anything beyond simple.

Even if you’re exempt from statutory audit, lenders and investors often ask for audited financials anyway when you’re raising money or applying for large facilities. Worth keeping in mind.

9. Closing a company properly

A dormant or no-longer-needed Singapore company can be closed via ACRA’s striking-off process (for solvent companies with no assets or liabilities) or through a formal members’ voluntary winding up. Leaving a company open but unmanaged creates compliance risks and ongoing costs.

This is the part people put off. The company stopped trading, but no one filed the striking-off application. A few years later, there are outstanding annual returns, fees, and potentially director disqualification on the table.

Two ways to close a Singapore company

Striking off: For companies with no assets, no liabilities, and no pending IRAS or court matters. ACRA processes this over several months and will notify known creditors. This is the simpler and cheaper route.
Members’ Voluntary Liquidation (MVL):Members’ Voluntary Liquidation (MVL): Used when the company has assets to distribute among shareholders. Requires a licensed liquidator and is more formal and costly than striking off as part of the Liquidation Process.

Before striking off, make sure all outstanding taxes are settled with IRAS, all employees are terminated properly with CPF finalised, and the bank account is closed.

Conclusion

Running an SME in Singapore is genuinely manageable if you set things up properly from the start.

The compliance side isn’t complicated once you understand what’s actually required: incorporate correctly, keep clean books, file on time, stay on top of GST, and make sure your corporate secretary is doing what they’re supposed to. None of that is beyond a first-time founder. What trips people up is usually not ignorance , it’s timing. Missing a deadline because you didn’t know it existed, or finding out your books are a mess six months after the fact when you need a bank loan.

The founders who build durable businesses here tend to share one habit: they treat the administrative side as part of the business, not an afterthought. Clean accounts, current filings, and a secretary who’s on top of ACRA changes aren’t just compliance checkboxes they’re what makes everything else easier. Fundraising, grant applications, hiring, selling.

If any part of this guide raised questions about where your business stands — on incorporation, tax, GST, or annual filings — that’s worth looking at sooner rather than later. The cost of sorting it out early is almost always lower than the cost of fixing it after something’s gone wrong.

Sort your Singapore SME compliance - without the back-and-forth.

BSH Group handles accounting, tax, corporate secretarial, and incorporation for Singapore businesses. One team, everything under one roof.

Get a Free Consultation See All Services

Frequently Asked Questions

What is an SME in Singapore?

In Singapore, an SME is generally a company with annual sales turnover below S$100 million or fewer than 200 employees. Most SMEs incorporate as Private Limited companies (Pte Ltd) under ACRA. For government grant eligibility, local shareholding requirements also typically apply.

How long does company incorporation take in Singapore?

Most incorporations are completed within 1–3 business days once all documents are in order. The name reservation is typically approved or rejected within an hour. The full process — constitution, ACRA filing, and certificate of incorporation — rarely takes more than three working days for straightforward cases.

What taxes does a Singapore SME pay?

The corporate income tax rate is 17%. New companies get 75% exemption on the first S$100,000 of chargeable income and 50% on the next S$100,000 for their first three Years of Assessment. This means a company with S$200,000 in taxable profit might pay less than S$20,000 in tax in its early years.

Does my company need a corporate secretary?

Yes — every Singapore company is legally required to appoint a corporate secretary within six months of incorporation. The secretary must be a natural person ordinarily resident in Singapore. A sole director cannot also be the company secretary. Most SMEs appoint a professional firm to handle this.

When does my SME need to register for GST?

Mandatory registration is triggered when your taxable turnover exceeds S$1 million over the past 12 months, or when you expect to exceed S$1 million in the next 12 months. The current GST rate is 9%. Voluntary registration is available below this threshold and can be useful if you deal mainly with GST-registered business customers.

Does my company need an audit?

Not if you qualify as a “small company” — a private company that meets at least 2 of 3 criteria: revenue below S$10 million, total assets below S$10 million, and fewer than 50 employees (for two consecutive financial years). Most early-stage SMEs qualify for this exemption.

1. What counts as an SME in Singapore