How To Setup A Sole Proprietorship In Singapore

13 min read|Last Updated: May 15, 2025|

Once you decide to incorporate a new business in Singapore, the next step involves understanding various types of business structures, including sole proprietorships, private limited liability partnerships, and corporations.

A sole proprietorship is a business type wherein the business owner incorporates and operates their businesses independently with no separate legal entity, making the sole proprietorship the simplest and easiest form of business to set up and operate. Sole proprietors also personally file taxes and own 100% of business income and assets, highlighting that sole proprietorship is a business owned entirely by one individual.

Prior to registering for a sole proprietorship in Singapore, it is imperative to thoroughly assess the pros and cons associated with such business entities.

What is a Sole Proprietorship?

A sole proprietorship in Singapore lets you run your entire business under one roof—literally and legally. You lodge your business name and details on ACRA’s BizFile+ portal using SingPass, and in most cases you’ll receive your Unique Entity Number (UEN) the same day. Unlike a Pte Ltd company, you don’t file separate corporate tax returns; instead, you report profits and losses on your own personal income tax, with rates that cap at 22%. This simplicity saves on annual compliance—no audited accounts, no AGM, and no middle-man corporate filings.

However, 100% ownership comes with 100% responsibility. Creditors can pursue your personal assets if your business can’t settle debts. You won’t enjoy Pte Ltd perks like limited liability, enhanced investor appeal, or start-up tax exemptions. Think of a sole proprietorship as the MVP package for low-risk ventures—if you outgrow it, you can transition to a Private Limited Company or LLP seamlessly, but while you’re here, you absorb every upside and downside directly.

Sole Proprietorship vs. LLC vs. Partnership

When you choose your entity type in Singapore, you decide on your liability, compliance, and growth trajectory. A sole proprietorship offers zero separation between you and your business, while a Private Limited Company (LLC/Pte Ltd) forms its own legal “body” that shields your personal assets and unlocks tax incentives. An LLP, meanwhile, pairs partnership flexibility with limited liability for each partner, making it ideal for professional services like law or accounting. In contrast, a general partnership leaves all partners fully exposed, and a limited partnership (LP) limits liability only for passive investors.

Sole Proprietorship LLC Partnership
Establishment Easy to establish, no paperwork unless required by the state Must file articles of incorporation with the state or adhere to the processes outlined by the Accounting and Corporate Regulatory Authority (ACRA) in Singapore for company registration. May require contracts for each partner if establishing a partnership in Singapore, indicating a more complex structure than a sole proprietorship.
Business Name Can operate under owner’s or fictitious name or formally register under Doing Business As, meeting the requirements for Singapore sole proprietorship registration. Established and secured under the regulations of the Singapore government. Can operate under owner’s or fictitious name or formally register under Doing Business As
Liability No legal protection, owner is fully liable Protection for owners No legal protection, owner fully liable
Taxation Filed under owner’s personal taxes if there is no EIN, typically as personal income tax obligations for the owner. Treated as a partnership for two or more owners. Partners declare income and losses from a partnership on personal returns.

Advantages of a Sole Proprietorship in Singapore

Setting up a sole proprietorship costs just S$115 for one year (or S$175 for three), plus a S$15 business-name reservation fee. You enjoy total control—every strategic decision, every dollar of profit, flows through one person. You avoid corporate tax headaches, since you simply file your business income as part of your personal taxes, often resulting in a lower overall tax rate for smaller profit brackets. The streamlined compliance means no audited accounts or board meetings, letting you focus on customer acquisition and product development instead of paperwork.

Beyond cost savings, you unlock instant market entry. Receive your UEN on the day of registration, open a business bank account, and start invoicing under your new sole-proprietorship name—all within 24 hours. If you handle a creative side-gig, e-commerce store, or freelance consultancy, this structure keeps your overhead lean and your agility high. And if you ever want to upgrade to a Pte Ltd for enhanced credibility or fundraising, you can convert your sole proprietorship through a straightforward ACRA process.

  1. Easy incorporation process with minimal setup costs compared to other entities
  2. Full control over your business as the owner of a sole proprietorship, including decision-making and retaining all profits.
  3. Simple termination process, which is less time-consuming and less costly compared to other business structures.
  4. Minimal compliance requirements, as there is no need to file annual returns and only a yearly membership renewal is necessary.

Disadvantages of a Sole Proprietorship in Singapore

Unlimited personal liability ranks as the biggest drawback: if your venture racks up debt or faces litigation, creditors can seize your personal assets—your home, your savings, even your car. You also miss out on corporate tax exemptions and relief schemes reserved for Pte Ltd companies, such as the Start-Up Tax Exemption Scheme. This can translate into higher effective tax rates once your profits exceed certain thresholds.

Funding and hiring remain uphill battles. Investors typically shy away from sole proprietorships because they lack share structures and governance frameworks, making it tough to raise venture capital or offer equity incentives. Banks and suppliers may view your business as higher risk, restricting credit lines or negotiating power. Finally, without perpetual succession, your business ends if you retire or pass away, complicating long-term legacy planning and exit strategies. Flipping the other side of the coin, here are some disadvantages of incorporating a sole proprietorship in Singapore that you should consider:

  1. Personal liability: You and your business are not legally separate entities in a sole proprietorship, exposing you personally to all losses and liabilities.
  2. Tax drawbacks: Sole proprietors do not benefit from tax reductions, incentives, or other advantages.
  3. Lack of perpetual succession: The business does not have perpetual existence, which may pose challenges in long-term planning or continuity,
  4. Limited capital: Business expansion may be challenging due to limitations on capital, as the business is solely reliant on your personal funds.

Challenges Foreigners Face When Forming a Sole Proprietorship in Singapore

Foreign founders confront visa and compliance hurdles. Without Singapore citizenship or PR status, you must appoint a local authorised representative—someone with a valid Employment Pass, S Pass, or Dependant Pass—to lodge your BizFile+ application and accept official correspondence. This extra step adds service fees and coordination overhead that don’t apply to Pte Ltd setups.

Moreover, securing work visas (Employment Pass or EntrePass) for yourself and future staff under a sole proprietorship can prove tricky. The Ministry of Manpower favors corporate entities with track records and audited accounts over solo ventures. Investors and banks likewise hesitate to back unincorporated businesses, making it harder for foreign sole proprietors to open corporate bank accounts, lease prime office space, or scale operations.

Difficulties in Obtaining Work Visas

As a foreigner looking to start a business in Singapore, securing a valid working visa is essential. Opting for a sole proprietorship may restrict future expansion plans, affecting the ability to hire additional staff. Consequently, obtaining approval for an Employment pass or EntrePass becomes more challenging. Moreover, even if initial approval is granted, obtaining visa approval for future foreign employees can be a complex process. Foreigners without a valid working visa may also face obstacles when attempting to open a bank account or secure a lease in Singapore.

Difficulties in Expansion and Financing

Sole proprietorships often face hurdles in terms of expansion and recruiting new staff. This business structure may give the impression of a small enterprise, leading banks and suppliers to be hesitant in extending credit. Additionally, sole proprietors cannot offer stock options as incentives for hiring employees, which contrasts with the benefits a Singapore private limited company can provide, marking a significant disadvantage for many sole traders. Furthermore, raising capital from investors is challenging due to the limitation of a single owner controlling the business.

Documents Required to Incorporate a Sole Proprietorship

In order to register a sole proprietorship business in Singapore, the following documents and information are required by the Singapore government.

  1. Proposed company name
  2. Description of principal activities for the Singapore sole proprietorship registration
  3. Local business address for the proposed business.
  4. Copy of owner’s Singapore ID and registration number
  5. Local residential address of sole proprietor
  6. Local residential address of sole proprietor

You must be at least 18 years old and either a Singapore citizen, PR, or eligible FIN holder. Self-employed ex-employees must top up their CPF Medisave contributions before registering to ensure they meet Central Provident Fund obligations.

How To Register a Sole Proprietorship in Singapore?

Choose a Name – Step 1

Before you start a sole proprietorship, you will need to register and reserve your ideal company name.

Typically, ensuring all documents are accurately completed streamlines the registration of a sole proprietorship, making the process automated and efficient. It is usually completed within 1 day.

However, if the company name or business nature necessitates referral to another authority, the process may extend by a few weeks.

Certain businesses such as financial, media, and educational services may require referral to relevant authorities.

To increase the likelihood of name approval, it’s crucial to ensure that:

  • is not identical or too similar to any existing local company or business names
  • does not infringe any trademarks or copyright
  • is not obscene or vulgar
  • is not already reserved

Choose a Local Business Address – Step 2

Providing a local address is an important part of the Singapore sole proprietorship registration process — this must be a physical address, not a P.O. Box address.

If you intend to work from home, you can use your home address as the main business address. You’ll need to apply to the Home Office Scheme and get approval before submitting your registration to ACRA. You will also need written permission from the Urban Redevelopment Authority (URA) or the Housing & Development Board (HDB) to use your home as an office.

You must submit your principal address even if you’re not working from home. ACRA will list both addresses on its website, so be aware that the address of your separate legal entity will be available to the public.

Foreigners-Only – Appoint a Local Authorised Representative – Step 3

To set up a sole proprietorship or partnership in Singapore. You must be

  • At least 18 years old
  • A Singapore Citizen, Singapore Permanent Resident, or an eligible FIN holder

If you are currently self-employed, you must top up your Medisave account with the CPF Board before you register a business, become a new owner of an existing business, or renew your business registration.

Foreigners can register a sole-proprietorships in Singapore, but they must appoint an authorised representative who is a legal resident in Singapore if they reside outside of Singapore. A legal resident includes:

  • Singapore citizens
  • Permanent Residents
  • Employment pass and EntrePass holders

Register with ACRA’s BizFile+ – Step 4

Now you have gathered all the required information, it’s time to register your sole proprietorship online. You can do this through ACRA’s filing portal called BizFile+. You’ll need to log in and use SingPass. It will ask you to endorse your consent, which is needed before the business can be registered.

If there is no SingPass, the alternative is to appoint a registered filing agent like a law firm, accounting firm or corporate secretarial firm.

The annual cost to register for a sole proprietorship is S$100, or you can pay S$175 for three years. Renewal fees are S$30 thereafter.

Post-Incorporation Activities for Sole Proprietorships

After registering in Singapore, you will receive a Unique Entity Number (UEN) to use with government agencies.

Keep these details safe, as you may need them for filing taxes as a sole proprietor, ensuring you meet all financial obligations efficiently. For example:

Sole proprietors don’t need to undergo annual audits or submit financial statements to ACRA. As the business owner, you must file an annual income return with IRAS, covering the revenue and profits of the sole proprietorship.

Tax for sole proprietorships is filed at a personal rate of 0% to 22%, as they’re not considered legal entities for tax purposes.

How Much Does it Cost To Register a Sole Proprietorship?

The cost of registering a sole proprietorship in Singapore includes several components:

  • Business Name Reservation: To reserve a business name with the Accounting and Corporate Regulatory Authority (ACRA), there is a fee of S$15. This reserves the name for 120 days.
  • Business Registration: The registration fee for a sole proprietorship is S$115. This fee is payable to ACRA when submitting the registration application.
  • Local Address: Your sole proprietorship will need a local business address. The cost of renting or leasing a commercial space in Singapore can vary widely depending on location and size.
  • Local Authorised Representative (for foreigners): If you are a foreigner without a valid Singapore residential address, you may need to engage a local representative. The terms of compensation or service fees for the representative can vary, and you should agree upon them directly with the representative.
  • Additional Costs: Depending on your business activities, you may incur additional costs for licenses, permits, and insurance. These costs can vary widely depending on your specific industry and regulatory requirements.

How Do You Close a Sole Proprietorship in Singapore?

Closing a sole proprietorship involves a series of steps to legally wind up the existing business and fulfil any outstanding obligations. Here’s an overview:

  • Notify ACRA: Inform ACRA of your intention to close the Singapore sole proprietorship. This can typically be done online through the BizFile+ portal. You will need to submit a request for the cessation of business activities.
  • Clear debts and obligations: Ensure all debts, taxes, and obligations are settled before closing the business. This includes paying outstanding bills, taxes, and salaries of local and foreign employees, addressing the financial responsibilities and business expenses.
  • Cancel licenses and permits: If your business holds any licenses or permits, cancel them with the relevant government agencies.
  • Close bank account: Close the business bank account associated with the sole proprietorship.
  • Dispose of assets: If you have business assets, such as equipment or inventory, decide whether to sell, transfer, or dispose of them as part of the closure process.
  • Final tax returns: Complete and submit final tax returns, including the personal Income Tax Return for Sole Proprietorship.
    Deregistration: Once all obligations are met, submit a request for the deregistration of your sole proprietorship with ACRA.

The specific steps and requirements for closing a sole proprietorship may vary depending on individual circumstances and the nature of the business. Consulting with us is advisable to ensure a smooth closure and compliance with all regulatory requirements.

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FAQs

Is sole proprietorship an entity?2021-11-12T10:05:20+08:00

Sole proprietorships do not produce a separate business entity. This means your business assets and liabilities are not separate from your personal assets and liabilities. You can be held personally liable for the debts and obligations of the business.

How much does it cost to set up a sole proprietorship in Singapore?2021-11-12T10:04:19+08:00

The last step of the registration process is registering online through the BizFile+ website, with a registration fee of $115 (1-year) or $175 (3-year). Once the fee has been paid, the sole proprietorship is set up within 15 minutes.

Is sole proprietor considered self-employed?2021-11-12T10:03:55+08:00

Self-employment means that you are the sole proprietor of the business, a member of a business partnership or an independent contractor.

What is a sole proprietorship Singapore?2021-11-12T10:03:12+08:00

A Singapore Sole-Proprietorship is a business owned by one person or one Singapore-registered company. It is the simplest form of business structure in Singapore that meets the statutory requirement to register all profiteering activities carried out on a continuous basis.

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