Incorporating is one of the more consequential decisions a business owner makes, and it is easy to treat it as a form-filling exercise. It is not. The choices you make during incorporation such as where to incorporate, how to structure your shares, who becomes a director, affect your tax position, your ability to bring in investors, and your personal exposure to business liabilities for as long as the company exists.
Should You Incorporate? Comparing Business Structures
Incorporation is not automatically the right answer. Before starting the process, it is worth understanding what the alternatives actually offer.
- Sole proprietorship: The simplest structure. You and the business are the same legal person, which means you are personally responsible for all business debts and obligations. Business income is reported on your personal tax return. If you operate under any name other than your own legal name, you must register that business name in Ontario.
- Partnership: Two or more people carrying on business together. In a general partnership, each partner is personally liable for the obligations of the partnership—including those incurred by the other partners. A written partnership agreement is strongly advisable, though not legally required.
- Corporation: A separate legal entity that can own property, enter contracts, sue and be sued, and incur debt in its own name. Shareholders own the corporation but are generally not personally liable for its obligations.
What incorporation actually gives you
Limited liability. This is the most commonly cited benefit, and it is real but it is narrower than most people assume. See the section below on the limits of liability protection, which is one of the most misunderstood aspects of incorporation.
Access to the small business deduction. A Canadian-controlled private corporation (CCPC) may claim the small business deduction on its first $500,000 of active business income, which is taxed at a substantially lower combined federal and Ontario rate than personal income at higher brackets. This benefit is most meaningful where profits are being retained in the business rather than drawn out entirely as salary.
Tax deferral and income planning. Because a corporation is taxed separately, profits left in the company are not immediately taxed in your hands. This creates planning flexibility around when and how you take money out. The specific advantages depend heavily on your income level and personal circumstances, which is why this decision should involve an accountant.
The Lifetime Capital Gains Exemption. If you eventually sell the shares of a qualifying small business corporation, you may be able to shelter a significant capital gain from tax. This benefit is only available on a share sale of a corporation, never on the sale of a sole proprietorship, and the shares must meet specific criteria at the time of sale. Advance planning is often required.
Continuity and transferability. A corporation continues to exist independently of its owners. Ownership can be transferred through shares, which makes bringing in investors, adding partners, or planning a succession considerably more straightforward than with a proprietorship.
Worth being realistic about the costs: A corporation must file its own annual tax return, maintain its own records, and satisfy ongoing filing obligations. Accounting fees are higher than for a sole proprietorship. For a business with modest profits that are fully drawn out each year, incorporation may add cost without delivering much benefit. The right answer depends on your numbers.
Step 1: Choose Between Federal and Ontario Incorporation
You can incorporate under the Ontario Business Corporations Act (OBCA) or the federal Canada Business Corporations Act (CBCA). Both create a corporation with limited liability; the practical differences are in name protection, filing obligations, and director requirements.
Ontario incorporation (OBCA)
An Ontario corporation is registered through the Ontario Business Registry. Name protection extends across Ontario. For a business serving Ontario or a regional market, this is often the simpler and less expensive route, with fewer ongoing filings.
Federal incorporation (CBCA)
A federal corporation is registered with Corporations Canada and receives name protection across all of Canada, which is meaningful if you intend to operate nationally or are building a brand you want protected outside Ontario. Federal incorporation does not exempt you from provincial requirements: a federal corporation carrying on business in Ontario must still register extra-provincially in Ontario and file an Initial Return.
The director residency difference, often the deciding factor: A federal CBCA corporation must generally have at least 25 percent resident Canadian directors (and where there are fewer than four directors, at least one). Ontario removed its Canadian-residency requirement for directors of OBCA corporations in 2021. If your directors are not Canadian residents, Ontario incorporation is frequently the more practical choice. This single point resolves the federal-versus-provincial question for many founders, and it is worth confirming your situation before filing.
Step 2: Choose and Clear Your Corporate Name
You have two options: a named corporation or a numbered corporation.
A numbered corporation (for example, 1234567 Ontario Inc.) is assigned automatically. It is faster and avoids the name search step. A numbered corporation can still operate publicly under a registered business name, so this is a practical option for owners who want to incorporate quickly or who have not settled on branding.
A named corporation requires a NUANS report i.e., a search of existing corporate names and trademarks across Canada. This is a requirement for named incorporations, not an optional precaution, and for an Ontario incorporation the report must generally be dated within 90 days of filing. A corporate name must include a distinctive element, a descriptive element, and a legal ending (Inc., Ltd., Corp., or their French equivalents).
An important limitation: Clearing a name through NUANS and incorporating under it does not give you trademark rights. Corporate name registration and trademark protection are separate systems. Another business may hold a registered trademark that conflicts with your corporate name, and registering the name will not protect you against a claim. If your name is central to your brand, a trademark search and application through the Canadian Intellectual Property Office is a separate step worth taking.
Step 3: Prepare and File Your Articles of Incorporation
The Articles of Incorporation are the constitutional document of your company. They set out the corporate name, the registered office address (which must be located in Ontario for an OBCA corporation), the number and classes of shares the corporation is authorized to issue, any restrictions on share transfers or business activities, and the first directors.
Share structure is the part that matters most and the part templates handle worst. Online incorporation services typically issue a single class of common shares. That works for a single-owner business with no plans to change. It becomes a problem quickly if you later want to bring in an investor on different terms, pay dividends to different shareholders at different rates, implement an estate freeze for succession planning, or issue shares to a family trust. Restructuring share capital after the fact is possible but requires amending the articles and can trigger tax consequences that would have been avoidable at incorporation.
A well-designed share structure typically authorizes multiple classes with different rights attached to each, voting versus non-voting, participating versus non-participating, and preferred shares with fixed dividend entitlements. You do not have to issue all of them. Authorizing them at incorporation costs nothing extra and preserves options you may need later.
Directors: An Ontario corporation requires at least one director. Directors must be at least 18, not bankrupt, and capable. As noted above, there is no Canadian residency requirement for directors of an Ontario corporation.
Step 4: Complete the Organizational Steps and Open Your Minute Book
Filing the Articles creates the corporation, but it does not organize it. The organizational work that follows is what makes the corporation function properly as a legal entity:
- Passing the first directors’ resolutions and adopting general by-laws.
- Appointing officers (president, secretary, treasurer, or as your by-laws provide).
- Issuing shares to the initial shareholders and recording the consideration paid.
- Appointing or waiving the appointment of an auditor.
- Setting the corporation’s financial year end.
- Preparing the minute book, including registers of directors, officers, shareholders, and share transfers.
Two filings with hard deadlines: An Ontario corporation must file an Initial Return through the Ontario Business Registry within 60 days of incorporation, setting out directors and officers and the registered office address. Separately, since January 1, 2023, most Ontario private corporations must prepare and maintain a register of individuals with significant control (an ISC register), identifying individuals who own or control 25 percent or more of the shares by value or votes, or who otherwise exercise significant control. The ISC register is maintained internally rather than filed publicly, but failure to prepare and keep it current carries penalties, including potential personal liability for directors. Federal CBCA corporations are subject to a parallel regime with additional filing obligations to Corporations Canada.
Why the minute book matters more than it appears to: An incomplete minute book is one of the most common problems discovered during a financing round or a business sale. Buyers and lenders conduct due diligence on corporate records, and gaps must be reconstructed often years later, at significant cost, and sometimes with steps that can no longer be properly documented. Keeping records current from the beginning is far cheaper than remediating them under deal pressure.
Step 5: Register for Tax Accounts
Your corporation will need a Business Number from the Canada Revenue Agency, along with the specific program accounts your operations require:
- Corporate income tax (RC): Required for every corporation. A corporation must file a T2 return every year, even if it had no income and no activity.
- GST/HST (RT): Registration is generally required once worldwide taxable supplies exceed $30,000 over four consecutive calendar quarters. Below that threshold you are a small supplier and registration is optional though voluntary registration is often worthwhile, because it allows you to claim input tax credits on business purchases.
- Payroll (RP): Required before you pay any salary, including salary to yourself as an owner-manager. Source deductions must be remitted on schedule.
- Import/export (RM): Required if the corporation imports or exports goods commercially.
Also consider: WSIB coverage is mandatory for most Ontario businesses with workers, and in some industries it is required even for the owner. Employer Health Tax applies once Ontario payroll exceeds the exemption threshold. Both are frequently overlooked by new corporations.
Step 6: Put a Shareholders’ Agreement in Place
If your corporation has more than one shareholder, a shareholders’ agreement is the single most valuable document you can put in place and the best time to negotiate it is now, while everyone is aligned and no one has anything specific to lose.
Without an agreement, the default rules under the OBCA apply. Those rules say nothing about what happens if one founder wants out, if a shareholder dies, if the shareholders deadlock on a major decision, or if one shareholder stops contributing. A shareholders’ agreement addresses those scenarios in advance.
A well-drafted agreement typically covers voting thresholds and which decisions require more than a simple majority, board composition, restrictions on transferring shares, buy-sell mechanisms and how shares are valued on a departure, what happens on death or disability (often funded through insurance), dividend policy, and a dispute resolution process.
A note on sequencing: Share structure and the shareholders’ agreement are interrelated decisions. Ideally, both are considered together before the Articles are filed, so that the share classes support what the agreement is trying to achieve. Treating the agreement as an afterthought sometimes means amending the articles to accommodate it.
Step 7: Meet Your Ongoing Compliance Obligations
Incorporation creates obligations that continue for the life of the corporation. The most common are:
- Annual returns: Ontario corporations must file an annual return through the Ontario Business Registry. This is a frequent source of confusion, because until 2021 the Ontario annual return was filed together with the corporate tax return through the CRA. That is no longer the case, it is now a separate filing, and many corporations incorporated before the change have unknowingly fallen out of compliance.
- T2 corporate tax return: Filed annually with the CRA within six months of the fiscal year end, regardless of whether the corporation was active.
- Annual resolutions and shareholder meetings: Directors and shareholders must pass annual resolutions approving financial statements, appointing directors and officers, and dealing with the auditor. These belong in the minute book.
- Updating changes: Changes to directors, officers, or the registered office address must be filed within 15 days.
- Maintaining the ISC register: Must be reviewed at least annually and updated within 15 days of learning of a change.
The consequence of neglect: A corporation that fails to file its annual returns can be dissolved administratively by the province. A dissolved corporation cannot legally carry on business, and contracts entered into during dissolution may be affected. Revival is possible but requires an application, fees, and bringing all outstanding filings current. Compliance failures also surface at the worst possible moments, during a financing, a sale, or a dispute.
The Limits of Limited Liability: What Incorporation Does Not Protect You From
Limited liability is the most commonly cited reason to incorporate, and it is genuine. But it is not absolute, and the exceptions catch business owners regularly. Incorporation will not shield you from:
- Personal guarantees: This is the most common exception by a wide margin. Banks, landlords, and major suppliers routinely require the owner of a small corporation to personally guarantee the obligation. Once you sign a personal guarantee, your personal assets are exposed for that debt regardless of the corporation.
- Unremitted source deductions and HST: Directors can be held personally liable for amounts the corporation failed to remit to the CRA. This liability is actively pursued.
- Unpaid employee wages: Under the OBCA, directors can be personally liable for up to six months of unpaid wages and up to twelve months of accrued vacation pay.
- Your own conduct: Incorporation does not protect you from liability for your own negligence, fraud, or personal wrongdoing. A professional who incorporates remains personally liable for their own professional negligence.
- Breaches of director duties: Directors owe a fiduciary duty to the corporation and a duty of care. Directors who authorize improper share issuances or unlawful dividends can be held personally responsible.
- Certain statutory and environmental liabilities: Various statutes impose direct personal liability on directors, including under occupational health and safety and environmental legislation.
The practical takeaway: Incorporate for the protection it does provide, but do not treat it as a shield against everything. Read personal guarantees carefully before signing, keep source deduction remittances current, and consider appropriate insurance alongside the corporate structure rather than in place of it.
A note for regulated professionals:
Certain regulated professionals in Ontario including lawyers, physicians, dentists, accountants, engineers, and others may incorporate as a professional corporation, but the rules differ significantly from ordinary business corporations. Share ownership is generally restricted to members of the profession (with limited exceptions for family members in some professions), the corporate name must follow the governing body’s requirements, and a certificate of authorization from the relevant regulator is typically required before the corporation can practise.
Importantly, a professional corporation does not limit a professional’s personal liability for their own professional negligence. The benefits are primarily tax-related. If you are a regulated professional considering incorporation, confirm your regulator’s specific requirements before filing.
Common Mistakes New Business Owners Make
- Choosing a share structure that cannot accommodate growth. A single class of common shares is the default from template services and the most frequent source of expensive restructuring later.
- Never opening the minute book. Many corporations are incorporated online and never organized. The records gap surfaces during a sale or financing.
- Missing the annual return. Particularly common among corporations that predate the 2021 filing change and assume it still happens through the tax return.
- Operating without a shareholders’ agreement. Co-founders who trust each other see no urgency—until a disagreement arises and there is no framework for resolving it.
- Assuming a corporate name gives trademark rights. It does not, and businesses have had to rebrand after building goodwill in a name that conflicted with an existing trademark.
- Signing personal guarantees without understanding them. This quietly undoes much of the liability protection incorporation was meant to provide.
- Overlooking the ISC register. A requirement since 2023 that many existing corporations still have not addressed.
Get Legal Guidance on Incorporating Your Business
Incorporation is straightforward to complete and easy to get wrong in ways that only become visible years later, usually when you are trying to raise money, bring in a partner, or sell. The decisions that matter most are the ones that are hardest to see at the outset: share structure, jurisdiction, and the agreements between owners.
At H&H Law Group, our corporate team works with founders, small businesses, and established companies throughout Mississauga and the Greater Toronto Area on incorporations, share structuring, shareholders’ agreements, and ongoing corporate compliance. We are happy to talk through whether incorporation makes sense for your situation before you commit to it.
Contact H&H Law Group today to schedule a consultation. We will take the time to understand your business and help you set it up in a way that supports where you want to take it.