ARTICLE
24 June 2025

What Is A Sole Proprietorship And How To Start One In Ontario?

Pacific Legal PC

Contributor

Pacific Legal is a corporate and commercial law firm dedicated to helping businesses succeed through expert legal counsel. Specializing in mergers and acquisitions, private equity, cross-border transactions, and complex contracts, the firm offers the capabilities of a large practice with the personalized service of a boutique. With a client-focused approach, Pacific Legal delivers tailored legal solutions that address immediate needs while supporting long-term growth. Clients benefit from strategic insight, efficient execution, and a strong commitment to lasting partnerships that deliver measurable results.

Getting the right business structure is perhaps the most crucial decision for an entrepreneur to make when launching a business. Not only does it have a direct impact on your day-to-day business operations...
Canada Ontario Corporate/Commercial Law

Getting the right business structure is perhaps the most crucial decision for an entrepreneur to make when launching a business. Not only does it have a direct impact on your day-to-day business operations but also influence your exposure to liability, taxation, access to capital, and your long-term growth prospects. For most first-time entrepreneurs, particularly those starting freelance services, home-based businesses, consulting firms, or dipping their toes into a new product or concept, the sole proprietorship stands as the most readily available and easiest to establish.

A sole proprietorship is most commonly known for its simplicity in formation, minimal start-up expenses, and limited compliance. It enables a single owner to have and run a business without establishing a separate entity. That is, the owner has complete control over decisions and all profits come directly to the owner. Yet, this is also accompanied by compromises. Because the business is not separate from its owner, the owner takes on sole personal liability for all the business's debts, obligations, and liabilities. Sole proprietors also have to deal with special issues in such areas as taxation, insurance, succession planning, and expansion. In spite of these complications, the sole proprietorship is a widely used business structure among Ontario entrepreneurs because of its ease, low cost, and rapid formation. Whether you're selling freelance graphic design services, running a local food cart, or beginning an e-commerce boutique, this form offers an easy legal platform to get started with your business.

This in-depth guide is meant to inform you on all the necessary things to know about operating a sole proprietorship in Ontario. We'll break down the legal and tax framework that governs sole proprietors, explore the advantages and limitations of this structure, compare it with other common business forms like partnerships and corporations, and provide a detailed, step-by-step roadmap for setting up your business legally and effectively. No matter whether you are new to the scene or simply looking at what you have now, this guide will provide you with what you need to make decisions and take action with confidence.

What is a Sole Proprietorship?

A sole proprietorship is the simplest type of business ownership, where one individual owns and runs the business. There is no legal separation of the owner from the business. The income of the business is treated as the income of the owner, and the owner himself bears all liabilities and responsibilities undertaken.

Key Features of Sole Proprietorship:

  • Single control and ownership: The business is controlled and owned by a single person who takes all business decisions.
  • No distinct legal entity: The business and the owner are legally the same.
  • Reporting of direct tax: All of the profits appear on the owner's individual tax return.
  • Unlimited liability: The owner has personal responsibility for the debts of the business and for all legal matters.

Legal Structure

In Ontario, Ontario sole proprietorships are chiefly regulated by the Business Names Act, R.S.O. 1990, c. B.17. The most important legal requirement is:

  • If you are conducting business in your own entire legal name (e.g., "Arjun Patel"), no registration is required.
  • If you have any other business name (e.g., "Arjun Consulting Services"), you need to register the name with the Ontario Business Registry.

You may be liable for penalties and even the inability to enforce contracts if a business name that should be registered is not registered.

Taxation

Business income and expenses must be reported by sole proprietors on Form T2125 (Statement of Business or Professional Activities) with their T1 General Personal Income Tax Return. Some of the tax implications are:

  • Combined personal and business income: Business income is included in your overall income to be taxed.
  • Eligible deductions: Business-related expenses such as office supplies, home office, travel, and professional services can be deducted.
  • HST registration: Mandatory if your annual revenue surpasses $30,000 for any 12-month period.
  • CPP contributions: You are liable for both the employee and employer part of Canada Pension Plan contributions.

Sole Proprietorship vs. Other Business Structures

It is critical to comprehend the differences between sole proprietorships, partnerships, and corporations as you decide on the optimal structure of your business in Ontario.

1. Sole Proprietorship

  1. Ownership: Single person
  2. Legal Status: Not a separate legal entity
  3. Liability: Unlimited personal liability
  4. Tax Filing: Personal income tax return (T1)
  5. Startup Cost: Low
  6. Regulation: Minimal

2. Partnership

  1. Ownership: Two or more individuals
  2. Legal Status: Not a separate legal entity (unless limited or LLP)
  3. Liability: Joint and several liability (unless limited partnership)
  4. Tax Filing: Each partner files his/her share of income on T1
  5. Governing Legislation: Partnership Act, R.S.O. 1990, c. P.5

3. Corporation

  1. Ownership: Shareholders
  2. Legal Status: Separate legal entity
  3. Liability: Limited liability
  4. Tax Filing: Corporate tax return (T2)
  5. Governing Legislation: Business Corporations Act, R.S.O. 1990, c. B.16

Comparison Table

Feature Sole Proprietorship Partnership Corporation
Legal Entity No No Yes
Liability Unlimited Unlimited (unless LP) Limited
Tax Complexity Low Medium High
Registration Cost Low Low to Medium High
Scalability Limited Medium High
Name Protection None Limited Strong
Succession Difficult Moderate Easy

Advantages of Sole Proprietorship

Carrying on as a sole proprietorship in Ontario has a lot of advantages, particularly for those who want simplicity, independence, and minimal startup expenditures. Below are the major advantages, elaborated in detail:

1. Ease of Setup

One of the biggest attractions of a sole proprietorship is the rapidity and ease with which one can get started. Contrary to corporations, which involve incorporation documents, attorney consultations, and regulatory filings, a sole proprietorship may be started with few formalities. Indeed, it's even possible to start with no registration whatsoever if you elect to do business in your full legal name. This enables entrepreneurs to start up quickly, without the lag or cost of legal procedures.

2. Low Operating Costs

Sole proprietorships are very inexpensive to run. Because there are no annual filing charges or incorporation charges, and no requirement to keep complicated shareholder registers or hold annual general meetings, the day-to-day administrative costs are low. Business name registration charges are cheap, and the majority of sole traders can deal with their finances without keeping full-time accountants or corporate secretaries. This is particularly beneficial for small or home-based businesses with a tight budget.

3. Complete Control

You are the only decision-maker as a sole proprietor. You have full control over business operations, strategies, finances, and client interactions. The autonomy allows you to turn on a dime, introduce new concepts, and address changes in the market without having to get agreement or board approval. This freedom is both empowering and effective for many entrepreneurs, who want to implement their vision unencumbered.

4. Tax Filing Simplicity

Sole proprietorships have a simple process for filing taxes. Because the business is not a distinct legal entity, there is no separate corporate tax return required. All income and expenses are declared on the T1 General Personal Income Tax Return by the owner, using Form T2125. This does away with the necessity of a corporate tax return and simplifies the bureaucratic process of tax time. Furthermore, qualifying business expenses like office supplies, professional fees, and home office use can be deducted, which also lowers taxable income.

5. Direct Access to Profits

All the profits made by the business are owned solely by the sole proprietor. There is no need to distribute income with partners or shareholders. This implies that the owner enjoys the financial benefits of his/her labor directly and can spend, save, or reinvest the earnings as desired. It also makes financial decision-making easier and avoids disputes in profit sharing.

6. Minimal Compliance and Paperwork

In contrast to corporations, which need to keep minute books, have periodic board meetings, and make annual returns, sole proprietors have significant latitude in these areas. No corporate resolutions, directors to be appointed, or shares to issue are necessary. This low compliance burden equates to more time and effort directed towards business expansion and customer service, as opposed to compliance tasks.

Disadvantages of Sole Proprietorship

Although the sole proprietorship arrangement is highly advantageous, it also has inherent limitations and risks that may influence long-term sustainability and business development. Entrepreneurs ought to consider these detriments in earnest before settling on this structure.

1. Unlimited Personal Liability

The biggest drawback is the absence of legal separation between the owner and the business. In the event the business is sued, accumulates debt, or doesn't pay taxes, the owner is held personally responsible for all debt. This implies your personal property—your home, savings, or vehicle—may be vulnerable. Even a modest business may unexpectedly incur liabilities, so this is a serious point to consider.

2. Challenge of Securing Capital

Sole proprietors typically encounter more trouble in securing outside funding. They are not able to offer shares or ownership of the business, which means limited access to bringing in investors. Banks and financial institutions also might perceive sole proprietorships as higher-risk borrowers, leading to tighter loan conditions or limited access to credit. This can be a barrier to business growth or infrastructure investment.

3. No Name Exclusivity or Trademark Protection

Sole proprietorship registration of a business name does not give proprietary rights. Others can also register a similar or identical name, perhaps leading to market confusion. Incorporated companies that can register trademarks and gain exclusive rights are different from sole proprietors, who will have to go the extra mile to protect their brand, which will cost them more in legal expenses.

4. Limited Business Continuity

The life of a sole proprietorship is attached to the individual. When the owner becomes incapacitated or dies, the business will usually shut down unless succession planning has taken place. In contrast to corporations, which maintain continuity separate from a change in ownership, sole proprietorships do not have inherent continuity, which can be an issue for long-term planning or legacy companies.

5. Limited Tax Planning Flexibility

Businesses take advantage of sophisticated tax planning techniques like income splitting, deferral of taxes, and payment of dividends. Single proprietors are required to include all revenues in the year they are generated and cannot split family income to minimize their own tax bills. This tends to leave the business owner with increased personal tax bills as the business expands, making incorporation increasingly appealing at higher levels of income.

How to Start a Sole Proprietorship in Ontario: Step-by-Step.

Step 1: Determine If It's Right for You

Consider your goals, risk exposure, and need for investment. A sole proprietorship is ideal if:

  • You want to start quickly and inexpensively
  • You are operating a low-risk business
  • You do not require external capital or equity financing

Step 2: Choose a Business Name

If you are using only your legal name (e.g., "Ravi Sharma"), no registration is necessary. But using any other name (e.g., "Ravi's Creative Designs") is registered under the Business Names Act.

Step 3: Perform a NUANS Name Search

While not required for sole proprietorships, a NUANS search will assist in finding out if your name is available or not and does not conflict with business names or trademarks.

Step 4: Register Your Business Name

You can register:

  • Online: Ontario Business Registry
  • In Person or by Mail (less popular in 2025)

Registration Fee: $60 for 5 years

You'll Get:

  • Business Identification Number (BIN)
  • Business Name Registration Certificate
  • CRA Business Number (BN) if ordered

Step 5: Register for HST/GST (if required)

If your gross revenues are more than $30,000/annually, you have to register for the Harmonized Sales Tax (HST). Register through the CRA Business Registration Online (BRO) website Get a program account number (e.g., 123456789 RT0001)

Step 6: Obtain Licenses and Permits

Use the BizPal tool (www.bizpal.ca) to identify licenses based on:

  1. Type of business
  2. Municipal zoning
  3. Industry regulations

Examples:

  1. Food service: food handling permit
  2. Retail: sales permit or fire safety compliance
  3. Home-based: local zoning clearance

Step 7: Open a Business Bank Account

Although not mandatory, it is highly recommended to open a separate account to:

  • Ensure financial transparency
  • Streamline accounting and tax preparation
  • Accept payments in your business name

Step 8: Set Up Your Accounting and Bookkeeping

Use software such as QuickBooks, Wave, or Zoho Books. Accurately track expenses and income. Keep all the records for 6 years as mandated by CRA

Step 9: Renewing Every Five Years

Renew business name registration prior to its expiration date. Not renewing could lead to deregistering the business name, which affects your credibility and business activities.

The Role of a Lawyer: Why Legal Assistance Is Important

Though setting up a sole proprietorship is easy, some legal and compliance problems can occur in the future. An attorney can provide valuable assistance in the following areas:

1. Determining Liability and Risk

Attorneys assist in determining liability risks depending on the type of your services and suggest measures such as liability waivers or insurance policies.

2. Business Name and Intellectual Property

Lawyers provide assistance in:

Trademark search and registration, Preparation of IP clauses in agreements, Brand protection plans

3. Contracts and Agreements

Avoid legal pitfalls by using professionally-drafted agreements for:

4. Regulatory Compliance

For regulated industries, a lawyer ensures your business meets all provincial and federal requirements.

5. Incorporation Transition Planning

If you choose to incorporate later, legal counsel ensures:

  • Smooth transfer of assets
  • Continuity in contracts
  • Tax-efficient restructuring

Common Sole Proprietorship Business Examples in Ontario

Here are some real-world examples of businesses that often operate as sole proprietorships:

  1. Freelance content writers
  2. Graphic and web designers
  3. Academic coaches and tutors
  4. Personal fitness trainers
  5. Pet groomers
  6. People who sell online handmade products (e.g., Etsy stores)
  7. Cleaning services
  8. Law, marketing, or finance consultants

These businesses demand little or no initial investment, have low liability, and enjoy simple operations.

Conclusion

Sole proprietorship is a very common and reasonable form of business structure for Ontario startup entrepreneurs. Its low setup fee, ease of operation, and tax simplicity make it an attractive deal for sole operators, freelancers, and part-time workers. However, it has its own set of drawbacks as well. Unlimited personal liability, no potential for expansion, and restrictions on financing may be critical negatives as your company expands.

FAQ

1. What is a sole proprietorship?

A business organization in which one person owns the business personally, without a separate legal entity. The owner is entitled to all profits and assumes all liabilities.

2. How do I register a sole proprietorship in Ontario?

If you are using a name other than your legal name, register it through the Ontario Business Registry using a ONe-key account. The cost is CAD 60 for five-year registration

3. Do I need to register a sole proprietorship in Ontario?

Not if you conduct business under your full legal name. But if conducting business in a distinctive name, you must register.

4. Can you incorporate a sole proprietorship?

You can incorporate, but that creates a new corporate entity. It's an alternate structure necessitating its own configuration, transfer of assets, and filings.

5. How do I close a sole proprietorship in Ontario?

Let the business name registration expire or legally revoke it; close any CRA accounts connected to the business; see to it that all obligations are fulfilled.

6. How do I establish a sole proprietorship in Ontario?

Describe your business activities, choose and register a business name if necessary, establish CRA and HST accounts, arrange licensing, and install financial infrastructures.

7. What is the distinction between sole proprietorship and corporation?

A sole proprietorship has no distinction in legal entity, unlimited personal liability, and personal tax reporting. A corporation is a separate entity that provides liability protection, possible tax benefits, and higher growth ability, but at increased complexity

The content of this article is intended to provide a general guide to the subject matter. Specialist advice should be sought about your specific circumstances.

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