Incorporating a business in Ontario is relatively straightforward. Building the corporation correctly is not.
The filing itself can often be completed online in a short period. The more important decisions involve ownership, share structure, directors, tax planning, intellectual property and what happens if a founder leaves or a dispute arises.
A poorly structured corporation may operate without difficulty for years and then create serious problems when the business seeks financing, adds a partner, brings in an investor, crosses an international border or faces litigation.
This guide explains how to incorporate a business in Ontario in 2026, what incorporation costs, when federal incorporation may be preferable and what must be completed after the corporation is created.
What Does It Mean to Incorporate a Business?
Ontario incorporation is usually the default if you operate primarily in Ontario and want a clean local setup.
Federal incorporation is usually worth it if you want Canada-wide name protection and flexibility to operate across provinces under one corporate statute. The federal online filing fee for articles of incorporation is $200.
Step 2: Decide on a named corporation vs a numbered corporation
Incorporation creates a legal entity that is separate from its shareholders.
The corporation can generally own assets, enter into contracts, borrow money, employ workers, sue and be sued in its own name. The shareholders own shares in the corporation, but they do not directly own the corporation’s individual assets.
This separation can provide limited liability protection. However, incorporation does not eliminate every form of personal exposure. Directors, officers and shareholders may still face personal liability for matters such as personal guarantees, certain unpaid taxes or wages, their own wrongful conduct, or failures to comply with statutory obligations.
Incorporation should therefore be treated as one part of a broader legal and risk-management structure, not as an absolute liability shield.
Should You Incorporate Your Business in Ontario?
Incorporation may be appropriate where:
- the business has meaningful or increasing revenue;
- the business carries operational, contractual or professional risk;
- there is more than one founder or owner;
- profits will be retained and reinvested in the business;
- the business expects to hire employees;
- the business may seek financing or outside investment;
- customers or counterparties expect to contract with a corporation;
- intellectual property or other valuable assets must be owned and protected; or
- the business is expanding outside Ontario or outside Canada.
Incorporation is not automatically the best choice for every new business. A corporation has ongoing accounting, tax, record-keeping and filing obligations. A sole proprietorship may be sufficient for a low-risk business that is testing an idea or generating limited revenue.
The decision should be based on the business’s expected income, risk, ownership and growth plans rather than the assumption that every business should incorporate immediately.
Ontario or Federal Incorporation: Which Is Better?
One of the first decisions is whether to incorporate under Ontario’s Business Corporations Act or federally under the Canada Business Corporations Act.
Ontario Incorporation
Ontario incorporation is often suitable where the business will operate mainly in Ontario and does not require a federal corporate structure.
An Ontario corporation is formed through the Ontario Business Registry. Ontario corporations do not have a Canadian-resident director requirement. This can make Ontario incorporation more practical for foreign founders and businesses whose directors live outside Canada.
Federal Incorporation
Federal incorporation may be appropriate where the business expects to operate in several provinces, wants the corporate-name protections associated with the federal system, or prefers to be governed by the Canada Business Corporations Act.
Federal incorporation does not eliminate provincial requirements. A federal corporation carrying on business in Ontario may still have to register in Ontario and comply with Ontario laws.
Federal corporations also remain subject to a Canadian-residency requirement for directors. Ordinarily, at least 25% of the directors must be resident Canadians. If the corporation has fewer than four directors, at least one director must be a resident Canadian.
Does Federal Incorporation Protect Your Business Name?
Federal incorporation gives a corporation the right to use its approved corporate name across Canada, subject to applicable laws.
That is not the same as trademark protection.
Incorporating a company does not necessarily prevent another business from using a similar brand, trade name, domain name or trademark. Businesses building a valuable brand should separately consider a Canadian trademark search and trademark registration.
Step 1: Choose a Named or Numbered Corporation
An Ontario corporation may use either a numbered name or a custom corporate name.
A numbered corporation receives a name such as:
12345678 Ontario Inc.
This is generally the simplest option because it does not require the same corporate-name selection process. The corporation can later register a separate business name for public-facing operations.
A named corporation uses a chosen name such as:
Example Technology Solutions Inc.
A named corporation may be preferable where the legal corporate name will appear on contracts, invoices, banking records or public materials.
For an Ontario named corporation, an Ontario-biased or Ontario-weighted Nuans name search report is generally required. A federal Nuans report is not accepted for this purpose.
A Nuans report does not guarantee that the proposed name is safe to use. Similar corporate names, registered trademarks, unregistered brands and domain names should also be considered.
Step 2: Decide Who Will Own the Corporation
Before filing the articles of incorporation, the founders should determine:
- who will receive shares;
- what percentage each founder will own;
- which shares carry voting rights;
- whether different classes of shares are required;
- whether founder shares will vest over time;
- whether the corporation may issue shares to future investors or employees;
- what money, property or services each founder is contributing; and
- whether any restrictions will apply to transferring shares.
These decisions should not be postponed merely because the business is new or because the founders trust each other.
Equal ownership can create a deadlock where two shareholders each hold 50% of the voting power. Unequal ownership can also create problems if the minority shareholder has no meaningful protections.
The ownership structure should reflect how decisions will actually be made, how profits may be distributed and what should happen if the working relationship ends.
Step 3: Select the Corporation’s Share Structure
The articles of incorporation establish the classes of shares the corporation is authorized to issue and the rights attached to those shares.
A simple owner-operated corporation may need only one class of common shares. A corporation involving multiple founders, investors, succession planning or tax planning may require several classes.
Different share classes can carry different rights relating to:
- voting;
- dividends;
- return of capital;
- redemption or retraction;
- conversion into another class;
- participation in future growth; and
- priority if the corporation is dissolved.
Using a generic share structure without considering the intended ownership and financing plan can make future transactions more complicated and expensive.
The articles authorize shares. They do not, by themselves, issue those shares to anyone. The shares must be properly issued after incorporation through directors’ resolutions, share subscriptions and updates to the corporation’s securities register.
Step 4: Choose the Directors, Officers and Registered Office
Every Ontario corporation must have at least one director.
Directors oversee the corporation’s management and are responsible for major corporate decisions. Officers, such as the president, secretary or treasurer, are generally appointed by the directors to manage the corporation’s daily operations.
The corporation must also maintain a registered office in Ontario. This is the corporation’s official legal address and the location associated with its corporate records and government communications.
The registered office should be an address where important legal and government documents will reliably be received. A change of address should be formally filed rather than simply reflected on invoices or a website.
Step 5: File the Articles of Incorporation
An Ontario business corporation is incorporated by filing articles of incorporation through the Ontario Business Registry.
The articles ordinarily identify or establish:
- the corporation’s name;
- its registered office;
- the first directors;
- the number or range of directors;
- the authorized share classes;
- the rights and restrictions attached to each share class;
- restrictions on transferring shares;
- restrictions on the business the corporation may carry on; and
- any additional corporate provisions.
The current Ontario government filing fee is $300. Ontario lists immediate processing for qualifying online filings, while service times for other delivery methods are longer and remain subject to change.
Once the filing is accepted, the corporation receives a certificate and articles of incorporation together with an Ontario corporation number.
Step 6: Organize the Corporation After Incorporation
Receiving the certificate of incorporation is not the end of the process.
A properly organized corporation should ordinarily complete the following immediately after incorporation:
- adopt its general by-law;
- approve the corporation’s banking arrangements;
- appoint its officers;
- issue shares to the initial shareholders;
- document the consideration paid for those shares;
- prepare the securities register;
- prepare directors’ and shareholders’ registers;
- establish the corporation’s financial year-end;
- approve important pre-incorporation contracts where necessary;
- document signing authority;
- record the corporation’s beneficial ownership information; and
- create and maintain a corporate minute book.
Without these records, it may be unclear who legally owns the corporation or who is authorized to act for it.
That uncertainty often becomes visible only when the corporation seeks financing, sells shares, adds an investor, opens a significant banking facility or becomes involved in a shareholder dispute.
Step 7: Prepare a Shareholders’ Agreement
Where a corporation has more than one shareholder, the shareholders should strongly consider entering into a shareholders’ agreement.
The agreement may address:
- management and voting rights;
- matters requiring unanimous or enhanced approval;
- founder roles and responsibilities;
- restrictions on transferring shares;
- rights of first refusal;
- procedures for issuing additional shares;
- confidentiality and intellectual property;
- disability, death or departure of a shareholder;
- termination of a founder’s employment;
- valuation of shares;
- buyout rights;
- deadlock resolution;
- non-solicitation obligations; and
- dispute-resolution procedures.
The articles of incorporation do not resolve these commercial issues.
A properly drafted shareholders’ agreement can reduce uncertainty, but it must match the corporation’s articles, by-laws, share issuances and actual business arrangements.
Step 8: Record the Individuals with Significant Control
Privately held Ontario corporations must maintain information about their individuals with significant control, commonly called beneficial owners.
Ontario’s beneficial ownership requirements have applied to privately held Ontario business corporations since January 1, 2023.
An individual may qualify based on ownership, control or influence over the corporation. The register must be reviewed and updated in accordance with the applicable legal requirements.
Federal corporations have additional obligations. Since January 22, 2024, corporations governed by the Canada Business Corporations Act have generally been required to file information about individuals with significant control with Corporations Canada, in addition to maintaining their internal register. Some of that information may be publicly available.
This is an important distinction between Ontario and federal incorporation when privacy and public disclosure are relevant.
Step 9: Obtain the Necessary CRA Accounts
A corporation generally requires a Canada Revenue Agency business number and may need one or more program accounts.
Depending on its activities, these may include:
- corporate income tax;
- GST/HST;
- payroll deductions;
- import-export; and
- other specialized tax accounts.
A corporation carrying on business through a permanent establishment in Ontario will generally file a T2 corporation income tax return with the CRA no later than six months after its tax year-end.
The deadline to pay any corporate tax owing may be earlier than the filing deadline. This should be confirmed with the corporation’s accountant.
When Must an Ontario Corporation Register for HST?
A business will generally cease to qualify as a small supplier once its worldwide taxable supplies, together with those of its associates, exceed $30,000 under the applicable calculation rules.
The timing is not simply “when annual revenue reaches $30,000.” Different rules apply depending on whether the threshold is exceeded in a single calendar quarter or over four consecutive calendar quarters.
Some businesses register voluntarily before reaching the threshold so they can claim input tax credits. Voluntary registration also creates obligations to collect, report and remit GST/HST.
Step 10: Open a Corporate Bank Account and Separate Finances
The corporation should have its own bank account and accounting records.
Corporate revenue should be deposited into the corporation’s account, and corporate expenses should generally be paid from that account. Payments to shareholders should be properly characterized as salary, dividends, expense reimbursements, shareholder loans or another documented transaction.
Using the corporate account as a personal account creates accounting and tax problems and can weaken the practical separation between the corporation and its owners.
Shareholders should also understand that corporate funds are not automatically their personal funds merely because they own the corporation.
Step 11: Transfer Contracts and Intellectual Property
Incorporating does not automatically transfer an existing business into the corporation.
A founder may have already entered into contracts, developed software, registered a domain name, created branding, purchased equipment or acquired customer relationships personally.
Those assets and rights may need to be formally transferred or licensed to the corporation.
The business should review:
- customer and supplier contracts;
- leases;
- intellectual property;
- domain names and social-media accounts;
- equipment and inventory;
- licences and permits;
- insurance policies;
- employment and contractor agreements; and
- pre-incorporation liabilities.
This is particularly important where the company expects investment or an eventual sale. Investors and purchasers will want evidence that the corporation owns the assets on which the business depends.
Step 12: Complete Annual Corporate Filings and Maintenance
An Ontario corporation has continuing obligations after incorporation.
These may include:
- filing its Ontario annual return;
- filing its T2 corporation income tax return;
- filing GST/HST and payroll returns where applicable;
- maintaining its minute book and corporate registers;
- reviewing its beneficial ownership information;
- recording changes involving directors, officers or addresses;
- approving annual financial statements;
- documenting dividends and significant transactions; and
- renewing licences, permits and business-name registrations.
Ontario corporations are required to file annual returns through the Ontario corporate registry system.
Federal corporations must also file a federal annual return each year.
An annual corporate return is not the same as a corporate income tax return. Filing one does not satisfy the other.
How Much Does It Cost to Incorporate in Ontario in 2026?
The Ontario government fee for filing articles of incorporation is currently $300.
Additional costs may include:
- an Ontario Nuans name search;
- professional fees for preparing customized articles;
- a corporate minute book;
- by-laws and organizational resolutions;
- share issuances and registers;
- a shareholders’ agreement;
- accounting and tax setup;
- business-name registration;
- municipal or industry licences;
- trademark searches and applications; and
- extra-provincial registrations.
The cheapest incorporation package is not necessarily the least expensive option over the life of the business. Correcting an unsuitable share structure or undocumented ownership arrangement may cost substantially more than structuring the corporation properly at the beginning.
How Long Does Ontario Incorporation Take?
A straightforward online Ontario incorporation may be processed immediately where the filing is complete and accepted. Government processing times remain subject to change.
The legal entity can therefore be created quickly.
Making the corporation operational may take longer. Banking, tax registrations, insurance, contracts, accounting systems, licences, share issuances and founder agreements often determine the practical launch timeline.
Common Ontario Incorporation Mistakes
Using a Generic Share Structure
A generic structure may not support multiple founders, investors, succession planning or future tax planning.
Failing to Issue Shares Properly
Listing an intended shareholder in an informal document does not necessarily establish legal ownership. Shares should be authorized, approved, issued, paid for and entered in the securities register.
Splitting Ownership 50-50 Without Deadlock Terms
Equal ownership may seem fair but can leave the corporation unable to act when the shareholders disagree.
Operating Without a Shareholders’ Agreement
Without an agreement, the parties may have no clear process for resolving a deadlock, removing an inactive founder or buying out a departing shareholder.
Assuming Incorporation Protects the Brand
Corporate-name approval is not a substitute for trademark clearance or registration.
Ignoring Beneficial Ownership Records
Beneficial ownership records are a statutory compliance obligation, not an optional part of the minute book.
Treating Corporate Money as Personal Money
Unrecorded withdrawals and mixed expenses can create tax, accounting and evidentiary problems.
Forgetting Annual Returns
A corporation can fall out of compliance or eventually face dissolution if required filings are repeatedly ignored.
Incorporating Before Obtaining Tax Advice
The share structure, ownership and timing of incorporation may affect tax treatment. Legal and accounting advice should be coordinated where tax planning is important.
Frequently Asked Questions About Incorporating in Ontario
Can a Non-Resident Incorporate a Business in Ontario?
Yes. Ontario does not require an Ontario corporation’s directors to be Canadian residents.
However, non-resident ownership can affect banking, taxation, immigration, investment review and whether the corporation qualifies as a Canadian-controlled private corporation. The absence of a director-residency requirement does not eliminate those separate issues.
Do I Need a Lawyer to Incorporate in Ontario?
A person can file an Ontario incorporation without a lawyer.
The greater risk is usually not completing the government form incorrectly. It is choosing articles, share rights, ownership arrangements and governance terms without understanding their future consequences.
Professional assistance is particularly important where there are multiple shareholders, non-resident owners, investors, intellectual property, regulated activities or cross-border operations.
Can I Change the Share Structure Later?
Usually, but the corporation may need to amend its articles, obtain shareholder approval, complete tax analysis and reorganize its issued shares.
Changing the structure later is generally more complicated than selecting an appropriate structure initially.
Does an Ontario Corporation Need a Minute Book?
An Ontario corporation must maintain specified corporate records. These are commonly organized in a physical or electronic minute book.
The minute book is evidence of the corporation’s ownership, governance and major decisions.
Does Incorporation Reduce Taxes?
It can, depending on the corporation’s income, ownership, activities and how much money is withdrawn by the shareholders.
Incorporation does not automatically produce tax savings. Salary, dividends, retained earnings, associated corporations, passive income and shareholder benefits can all affect the result.
An accountant should assess the tax implications based on the specific business and its owners.
Incorporating a Business in Ontario
The incorporation filing creates the corporation. The surrounding legal work determines whether that corporation is usable, defensible and capable of growing.
Before filing, founders should settle the jurisdiction, ownership, share structure, decision-making rules and treatment of intellectual property. After filing, they should complete the share issuances, organizational resolutions, corporate registers, tax setup and governance documents.
Mayo Law assists Ontario and international founders with Ontario and federal incorporations, customized share structures, shareholders’ agreements, corporate records and cross-border business planning.
To discuss your proposed corporation, contact Mayo Law or schedule a consultation.
