Incorporating is one of the most important steps a growing business takes — and one of the easiest to do badly. This comprehensive 2026 guide covers whether to incorporate, federal vs. provincial, naming, the share structure, the steps and costs, and the organization most people forget to finish.
By Jonathan Kleiman, Barrister & Solicitor · Published June 2026
Filing articles of incorporation takes a few minutes online. Setting up a corporation properly — with the right structure, a complete organization, and the documents you will need later — takes more, and it is where the real value is. This guide walks through the whole picture: whether incorporating is right for you, the federal-versus-Ontario choice, how to name and structure the company, the steps and costs, and the post-incorporation work that a surprising number of businesses never finish. For tailored advice, an incorporation lawyer can do it all on a flat-fee basis — but first, the fundamentals.
Incorporation is not automatically the right move for everyone. A sole proprietorship is simpler and cheaper to run, and for a very small or side business it may be enough. The case for incorporating gets stronger as you take on risk, earn more than you need to live on, bring in partners or investors, or want to look more established to customers and lenders. Our guides on sole proprietorship vs. incorporation and being a sole proprietor walk through that decision. If you are just starting out, our how to start a small business in Ontario guide puts incorporation in context.
A corporation is a separate legal person, distinct from its owners. That brings four main benefits:
The catch is that none of this is automatic. The liability shield has limits, and the tax benefits depend on structuring the company correctly — which is the argument for doing it properly rather than cheaply.
You can incorporate provincially under Ontario's Business Corporations Act or federally under the Canada Business Corporations Act. Both are valid for an Ontario business. In brief: Ontario incorporation is straightforward if you operate mainly in the province; federal incorporation gives stronger name protection across Canada and a national identity, but a federal corporation still has to register to operate in Ontario and carries its own annual filing. The choice turns on your name, your geographic footprint, and your growth plans. Our dedicated guide on federal vs. Ontario incorporation breaks the trade-offs down in detail.
You also choose between a named and a numbered corporation. A named corporation has a chosen name — "Maple Widgets Inc." — and needs a NUANS search to confirm the name is available. A numbered corporation is assigned a number by the government, like "1234567 Ontario Inc.," and needs no NUANS report. Many businesses incorporate as a numbered company for speed and then operate under a registered business (trade) name. If your brand is important, a named corporation — with the name properly cleared — is usually worth it.
For a named corporation, a NUANS report searches your proposed name against existing corporate names and trademarks to reduce the risk of a conflict. It commonly costs $15–$25. A NUANS report lowers risk but is not a guarantee — a name can still infringe a trademark even if it clears NUANS, so if your brand matters, a broader trademark check is wise. A lawyer can advise on whether your chosen name is genuinely safe to use and build a business around.
The articles of incorporation create the company and set its constitution: the name, the share classes and their rights, the number of directors, and any restrictions. The share structure is the part people most often get wrong. A bare-bones single-class structure is fine for some, but where you want flexibility for tax planning, investors, or future owners, the right share classes have to be built in from the start — retrofitting them later is more expensive and sometimes triggers tax. This is the single biggest reason to involve a business lawyer rather than accept a generic template.
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At a high level, incorporating in Ontario involves:
The filing itself is quick. The structuring decisions before it, and the organization after it, are where the work — and the value — actually lives.
The government fees in 2026:
On top of the government fees, a do-it-yourself or online incorporation is cheap but generic, while a lawyer's flat fee includes the share-structure design, the full organization, the minute book, and often a shareholders' agreement. For a sense of what legal help costs more broadly, see our guide on how much a business lawyer costs in Toronto. Treat the cheapest option with caution — fixing a badly structured corporation usually costs far more than doing it right.
Here is the step that turns a certificate into a functioning corporation — and the one bargain-basement incorporations routinely skip. After filing, you have to organize the company:
A corporation whose organization was never completed is legally incomplete — and that gap surfaces at the worst times: a financing, a tax review, or a sale. A corporate maintenance lawyer can build (or fix) the minute book so the company is properly constituted.
With the corporation set up, handle the tax registrations. Get a business number from the Canada Revenue Agency, register for HST once your taxable revenue exceeds the $30,000 small-supplier threshold (or voluntarily before then to claim input tax credits), and set up payroll if you will have employees. Getting these in place early avoids scrambling — and penalties — later.
If you are incorporating with anyone else, a shareholders' agreement is not optional in any practical sense. It governs how decisions are made, how shares can be transferred, what happens when an owner wants out or dies, how the business is valued, and how disputes are resolved. Without one, statutory defaults apply and disagreements become far harder to resolve — see our checklist on what to include in a shareholders' agreement. (If you are operating as a partnership instead of a corporation, the equivalent is a partnership agreement.) Put it in place at incorporation, while everyone is still friendly.
A corporation is not "set and forget." To stay in good standing you must file an annual return, keep the minute book and registers current as directors, officers, and shareholders change, and meet your corporate tax filing obligations. These maintenance steps are easy to neglect and easy to keep up with once you have a system — and a corporation that has been maintained properly is worth far more, and far easier to sell, than one that has not. See our guide to buying a business for how much clean corporate records matter when it is time to exit.
You can legally incorporate yourself, and for a simple, single-owner numbered company with no partners and modest plans, a do-it-yourself or online incorporation may be enough. But the moment you have co-owners, want tax flexibility, plan to raise money, or intend to build something you will eventually sell, the structure and the organization matter — and getting them wrong is expensive to fix. A flat-fee incorporation from a lawyer buys the right share structure, a complete minute book, and a shareholders' agreement, which is usually money well spent.
Each is avoidable with a little planning — and each is far cheaper to prevent than to fix.
Becoming a director is not just a title — it comes with legal duties and some personal exposure. Directors owe a duty to act honestly and in good faith in the best interests of the corporation, and to exercise the care of a reasonably prudent person. They can also be held personally liable in specific situations the corporate shield does not cover — most notably unpaid employee wages and vacation pay (up to limits), and unremitted source deductions and HST owed to the tax authorities. This is one reason the "I incorporated, so I'm protected" assumption is dangerous: the protection is real but bounded. If you sit on the board of your own company, understand what you are personally on the hook for.
A big part of why people incorporate is tax — but the benefits depend on using the structure well. A Canadian-controlled private corporation can access the small business deduction, which taxes a band of active business income at a low corporate rate, leaving more money in the company to reinvest or defer. Owners then decide how to pay themselves — salary (deductible to the company, creates RRSP room, subject to payroll), dividends (paid from after-tax corporate income, no payroll), or a mix — and the right blend depends on your numbers and goals. This is a conversation for your accountant, but the share structure you choose at incorporation determines what is even possible, which is why structure and tax planning go hand in hand from day one.
A corporation can carry on business under a name different from its legal name — useful for a numbered company ("1234567 Ontario Inc. operating as Maple Widgets") or for a corporation that runs more than one brand. To do that lawfully you register the operating name as a business name. Registering a business name is not the same as incorporating and gives you no separate legal entity or trademark rights — it simply lets the corporation (or a sole proprietor) trade under that name. If the brand is important, pair the registration with a proper trademark strategy so the name is actually protected, not just registered.
One practical wrinkle for those leaning federal: a federally incorporated company is created under national law, but it still has to be registered to operate in Ontario (and in any other province where it carries on business). So "federal" does not mean "skip the provinces" — it means a national charter plus provincial registrations. Federal incorporation also carries its own annual return and its own naming rules. For most single-province businesses, Ontario incorporation is simpler; federal makes more sense when a national name and presence genuinely matter. Again, our federal vs. Ontario guide is the place to weigh it.
As a business grows, the single operating corporation is sometimes only the starting point. Owners and their advisors often add a holding company that owns the shares of the operating company — a structure that can help move surplus profits out of the operating business (reducing what is exposed to its creditors), support tax planning, and make it easier to bring in investors or eventually sell. You do not need this on day one, and it is not right for everyone, but it is worth knowing the path exists so the share structure you set up now does not box you in later. This is another reason the initial structure is a conversation worth having with a lawyer and accountant rather than a checkbox on a self-serve form — the right foundation leaves room to grow into structures like this without an expensive rebuild.
Incorporating is easy to do and easy to do badly. The filing is trivial; the value is in the decisions around it.
The 2026 government fees are modest — $300 provincially, $200 federally, plus a NUANS for a named company — but the cheapest path is not always the best one. A properly structured, fully organized corporation is the foundation everything else is built on; getting it right at the start saves far more than it costs.
The Ontario government filing fee is $300 to incorporate provincially through the Ontario Business Registry. Federal incorporation costs $200 online. A named corporation also needs a NUANS name search (commonly $15–$25). Using a lawyer adds professional fees but includes the share structure, organization, and often a shareholders’ agreement.
Both work for an Ontario business. Ontario incorporation is simpler if you operate mainly in the province. Federal incorporation offers stronger name protection across Canada and a national presence, but federally incorporated companies still register to operate in Ontario. The right choice depends on your name, footprint, and plans.
A named corporation has a chosen name (like "Maple Widgets Inc.") and requires a NUANS search to confirm the name is available. A numbered corporation is assigned a number by the government (like "1234567 Ontario Inc.") and needs no NUANS report. You can operate a numbered corporation under a registered business name.
A NUANS report is a name search that checks your proposed corporate name against existing names and trademarks to reduce the risk of conflict. It is required to incorporate a named corporation in Ontario and is generally required for a named federal corporation. Numbered corporations do not need one.
No — you can incorporate yourself or use an online service. But a lawyer does more than file the paperwork: they design the share structure for tax and control, complete the organizational steps properly, prepare the minute book, and put a shareholders’ agreement in place if you have partners. Cheap, generic incorporations often create expensive problems later.
The articles of incorporation are the founding document that creates the corporation. They set out the corporate name, the share classes and their rights, the number of directors, and any restrictions. The share structure in particular has long-term tax and control consequences, so it is worth getting right at the start.
Generally yes — a corporation is a separate legal person, so business debts and obligations usually belong to the company, not to you personally. But the protection is not absolute: personal guarantees, certain tax and wage obligations, and personal wrongdoing can still create personal liability.
Incorporation is only the first step. You then have to organize the corporation — appoint directors and officers, issue shares, pass by-laws, and set up the minute book and registers — and obtain a business number, register for HST if required, and set up payroll if you have employees. Skipping the organization leaves the corporation legally incomplete.
A minute book is the official record of the corporation — its articles, by-laws, registers of directors, officers and shareholders, share certificates, and resolutions. Yes, you need one, and it must be kept current. A complete minute book is essential for taxes, financing, and especially if you ever sell the business.
If you have co-owners, yes — strongly. A shareholders’ agreement sets out how decisions are made, how shares can be sold, what happens if an owner wants to exit or there is a dispute, and how the business is valued. Without one, default statutory rules apply, and disputes become far harder and more expensive.
Generally once your business’s taxable revenue exceeds $30,000 over four consecutive calendar quarters (or in a single quarter), at which point registration becomes mandatory. You can also register voluntarily below the threshold to claim input tax credits on business purchases.
Ontario corporations must file an annual return to confirm their information, keep the minute book and registers current, and meet corporate tax filing obligations. Federal corporations have their own annual return and filings. Keeping up with these maintenance steps keeps the corporation in good standing.
Whether you are incorporating for the first time or fixing a company that was set up in a hurry, call 416-554-1639 or book a free consultation.
The structure you set up today shapes your taxes, your liability, and your eventual sale. Jonathan Kleiman handles Ontario and federal incorporations on a flat-fee basis. Free 30-minute consultation.