Incorporate · By Situation

Incorporating with co-founders or partners.

Yes, and pair it with a shareholders' agreement. Incorporating turns a fragile handshake partnership into a clear structure with documented ownership and limited liability. But the incorporation alone doesn't settle share splits, vesting, decision-making, or what happens if a founder leaves. A shareholders' agreement does, and it's the single best protection for every founder.

Ontario Numbered Corporation

$279

+ $300 government fee

$579 total

Get started

Should co-founders incorporate together?

Yes, and pair it with a shareholders' agreement. Incorporating turns a fragile handshake partnership into a clear structure with documented ownership and limited liability. But the incorporation alone doesn't settle share splits, vesting, decision-making, or what happens if a founder leaves. A shareholders' agreement does, and it's the single best protection for every founder.

Why a handshake partnership is genuinely risky

Going into business with people you trust feels like it should be simple, and that's exactly the trap. A verbal or handshake partnership leaves everything important undefined: who owns how much, who decides what, what happens if someone stops pulling their weight or wants out, and how you'd split things if the business succeeds, or fails. When the money's small and everyone's friendly, none of it seems to matter. When the money grows or the relationship strains, all of it does, at once.

There's also a hard legal edge. In a general partnership, partners are personally liable for the business's debts, and often for obligations a co-partner takes on without you. So a plain partnership doesn't just leave the ownership questions open; it exposes each founder's personal assets to the others' decisions. That's a lot to ride on goodwill.

Most founder fallouts aren't caused by bad people. They're caused by good people who never wrote down what they assumed they agreed on, and then discovered they'd assumed different things. The fix is boring and effective: incorporate, and put the agreement in writing.

How incorporating plus a shareholders' agreement protects everyone

Incorporating solves part of the problem. It creates a separate legal entity that owns the business, issues shares that clearly define who owns what, and gives every founder limited liability: the corporation's debts are generally its own, not each founder's personally. That alone is a big upgrade over a handshake partnership. Your ownership percentages become concrete shareholdings recorded in the minute book, not competing memories.

But incorporation by itself is like a marriage certificate with no prenup: it establishes that you're in business together without settling the hard "what ifs." That's the job of a shareholders' agreement: a contract among the owners that governs how the company is run and what happens in the situations you hope never arise. It's the document that actually protects each founder, and it protects them precisely because it's agreed while everyone's still friendly and reasonable.

The pairing is the point. Incorporate to create clean ownership and liability protection; add a shareholders' agreement to define how you'll govern it and part ways if you have to. One without the other leaves a serious gap.

The hard questions to settle: splits, vesting, leavers, decisions

A good shareholders' agreement forces you to answer the questions handshake partnerships dodge. Share splits: who owns what percentage, and why: equal isn't automatically fair if contributions differ, and "we'll figure it out" is how partnerships implode. Vesting: founders earning their shares over time (commonly four years with a one-year cliff) so a co-founder who leaves in month three doesn't keep a huge stake for almost no contribution.

Leaver provisions: what happens to a departing founder's shares: can the company or the others buy them back, at what price, and does it differ for someone who quits versus someone asked to leave ("good leaver" vs. "bad leaver")? Decision-making: which decisions need a simple majority, which need everyone, and how you break a deadlock when two 50/50 founders disagree (a real, common, business-ending problem). And transfer restrictions: can a founder sell their shares to an outsider, or do the others get first refusal?

None of these are pleasant to discuss on day one. All of them are far easier to discuss on day one than in the middle of a dispute, when positions have hardened and lawyers are already involved. Settling them early is a gift to your future selves and to the friendship.

The shareholders' agreement is a separate legal document: see a lawyer

Here's the honest scope note. CorpStart prepares your incorporation documents: the Articles of Incorporation, By-law No. 1, organizing resolutions and share registers that bring the corporation into existence and record who the founders are and what they own. That's a genuine, necessary step, and we do it cleanly.

A shareholders' agreement is a different animal. It's a negotiated legal contract among the founders, tailored to your specific deal: the vesting terms, the leaver mechanics, the deadlock resolution, the buy-out formulas. It isn't a form to fill in, and it isn't something CorpStart provides; it should be drafted (or at least reviewed) by a business lawyer who can adapt it to your situation and make sure it actually protects each of you. Given that it's the document that governs your most important relationships and your most valuable asset, this is money well spent.

The sensible sequence: incorporate first so the company and shares exist, then have a lawyer put the shareholders' agreement in place while things are calm. Don't let "we'll do the agreement later" turn into "we never did the agreement": that's the version of this story that ends badly.

How CorpStart incorporates a multi-founder business

You complete a short questionnaire together: numbered or named, who the directors and shareholders are, each founder's share allocation, and your Ontario (or federal) registered office. We'll flag anything that looks off (an uneven structure that doesn't match what you described, a missing director) before you pay.

We prepare your Articles of Incorporation, By-law No. 1, organizing resolutions and share registers reflecting each founder's ownership, and file with the registry, accepted immediately in Ontario. Your digital minute book, showing who owns what, arrives the same day. Then take that clean foundation to a business lawyer for the shareholders' agreement: the document that turns co-founders into properly protected partners.

Incorporating with co-founders, in order

Structure first, then the agreement that protects it.

  1. 1

    Agree the ownership before you file

    Settle who owns what percentage and who the directors are. Talk through vesting and what happens if someone leaves, even before it's in a formal agreement.

  2. 2

    We incorporate with your share splits

    CorpStart drafts your Articles, By-law No. 1, resolutions and share registers reflecting each founder's ownership, and files with the registry, minute book the same day.

  3. 3

    Put a shareholders' agreement in place with a lawyer

    Have a business lawyer draft the vesting, leaver, decision-making and buy-out terms. It's a separate legal document, and the single best protection for every founder.

Handshake partnership vs. incorporation + shareholders' agreement

Handshake partnership vs. incorporation + shareholders' agreement
FactorHandshake partnershipIncorporated + shareholders' agreement
Ownership defined?By memory, often disputedDocumented shares in the minute book
Personal liabilityFull, and for partners' actions tooLimited to the corporation
Founder vestingNoneDefined, equity earned over time
If a founder leavesUnclear, often a fightLeaver terms decide buy-back and price
Deadlock between foundersCan freeze the businessResolution mechanism agreed in advance
Who prepares itNo one, that's the problemCorpStart files the corp; a lawyer drafts the agreement

Frequently asked questions

Why not just start a partnership with a handshake?

Because it leaves everything important undefined (ownership, decisions, what happens if someone leaves), and in a general partnership each partner is personally liable for the business's debts and often for a co-partner's actions. Incorporating gives clear shares and limited liability; a shareholders' agreement settles the "what ifs" while everyone's still friendly.

How should co-founders split shares?

By contribution and role, not automatically 50/50, though many equal partnerships work. What matters more is that the split is documented in the minute book and paired with vesting, so shares are earned over time. Discuss it openly before you incorporate; "we'll figure it out later" is how founder disputes start.

What is a shareholders' agreement and do we need one?

It's a contract among the owners covering vesting, what happens when a founder leaves, how decisions get made, deadlock resolution, and share-transfer restrictions. Incorporating alone doesn't settle these. For any multi-founder business it's strongly recommended: it's the document that actually protects each of you when things get hard.

Does CorpStart prepare the shareholders' agreement?

No. CorpStart prepares the incorporation documents: Articles, By-law No. 1, resolutions and share registers. A shareholders' agreement is a separate, negotiated legal contract tailored to your deal, and it should be drafted or reviewed by a business lawyer. Incorporate first with us, then put the agreement in place with a lawyer.

What happens if one co-founder wants to leave?

Without an agreement, it's often a painful, unclear fight, and they may keep their full stake regardless of contribution. With vesting and leaver provisions in a shareholders' agreement, you've decided in advance what happens: whether shares can be bought back, at what price, and whether "good leaver" and "bad leaver" situations differ. Settle it early.

Going into business together?

Incorporate together, protect each other.

$279 service fee + $300 Ontario government fee. We file your corporation with each founder's shares recorded cleanly, then take that foundation to a lawyer for the shareholders' agreement.

Start my corporation

CorpStart is a document preparation service, not a law firm. The information on this page is general in nature and does not constitute legal or tax advice. For advice specific to your situation, consult a licensed lawyer or accountant.