Starting a business with a partner is exciting. When everyone is optimistic and aligned on the vision, it is easy to skip the hard conversations about what happens when things go wrong. But business relationships, like personal ones, can break down — through disagreement, diverging goals, financial stress, illness, or death. A shareholder agreement is the document that governs what happens in all of those circumstances. Without one, the Ontario Business Corporations Act fills the gap with default rules that rarely reflect what the parties actually wanted.
What Is a Shareholder Agreement?
A shareholder agreement is a private contract among the shareholders of a corporation (and typically the corporation itself as a party). Unlike the articles of incorporation and by-laws — which are public and govern the corporation's basic structure — a shareholder agreement is confidential and can address matters that the corporate legislation does not, or address them in a way that overrides the default legislative rules.
Under the Ontario Business Corporations Act (OBCA), shareholders may restrict or modify the powers of the directors, or otherwise structure the corporation's affairs, through a unanimous shareholder agreement (USA) — a shareholder agreement to which all shareholders are party. A USA has special legal force under the OBCA: it can effectively displace the board's authority over certain decisions and bind future shareholders who acquire shares with notice of it.
What a Shareholder Agreement Should Cover
Decision-Making and Voting
The OBCA default is majority rule. A simple majority of shares can pass most resolutions; a two-thirds supermajority is required for certain fundamental changes. In a two-shareholder company with equal ownership, this means a deadlock on ordinary matters — neither party can pass a resolution without the other. A shareholder agreement can define which decisions require unanimous consent (protecting minority shareholders), which require a simple majority, and which can be made by management without shareholder approval. It can also address the roles and compensation of shareholder-employees, which is often a major source of conflict in closely held corporations.
Share Transfers and Right of First Refusal
Without a shareholder agreement, shares of a private corporation can be transferred to third parties subject only to the articles and any share transfer restrictions. This could mean one shareholder effectively selling out to a stranger, leaving the remaining shareholders in business with someone they did not choose. A shareholder agreement typically includes a right of first refusal (ROFR) — requiring a selling shareholder to first offer their shares to the other shareholders at the same price and on the same terms before selling to a third party.
Drag-Along and Tag-Along Rights
Drag-along rights allow a majority shareholder (or a defined threshold of shareholders) who has found a buyer for the entire company to compel minority shareholders to sell their shares on the same terms. This facilitates a clean acquisition that buyers often require — no third-party purchaser wants to deal with a minority shareholder who refuses to sell. Tag-along rights work in reverse: they give minority shareholders the right to participate in a sale by a majority shareholder, ensuring they receive the same price and terms rather than being left behind in a company under new control.
Shotgun (Buy-Sell) Clauses
A shotgun clause is one of the most commonly discussed — and most misunderstood — provisions in a shareholder agreement. It provides a mechanism for resolving a deadlock between shareholders. One shareholder names a price at which they will buy out the other, and the other shareholder must either sell at that price or buy the first shareholder out at the same price. The mechanism is elegant in theory, but in practice it heavily favours the shareholder with greater financial resources (who can afford to buy at any price named) and requires careful drafting to avoid abuse. It should be used thoughtfully, and only after considering the specific dynamics of the ownership group.
Deadlock Provisions
In a 50/50 corporation, deadlock — where neither shareholder can outvote the other — is a constant risk. A shareholder agreement should define what constitutes a deadlock, establish a negotiation or mediation process that must be attempted first, and provide a mechanism of last resort if the deadlock cannot be resolved. Options include a shotgun clause, compulsory buy-out at fair market value determined by an independent valuator, or dissolution of the corporation.
The best time to negotiate a shareholder agreement is before you incorporate — when everyone is aligned, no one needs the leverage, and the conversations are about structure rather than survival. Waiting until a dispute arises makes the agreement far harder to achieve and far more expensive to litigate without one.
Confidentiality and Non-Competition
Shareholder agreements often include confidentiality obligations (protecting proprietary information from disclosure to third parties) and non-competition clauses (restricting shareholders who leave the business from competing for a defined period in a defined geography). Non-compete clauses in Ontario are enforceable if they are reasonable in scope, duration, and geography — courts will not enforce provisions that are unreasonably broad. A lawyer can help draft these clauses to be enforceable and appropriately tailored to the business.
Provisions for Death, Disability, and Divorce
A well-drafted shareholder agreement addresses what happens if a shareholder dies, becomes permanently disabled, or goes through a divorce. Without these provisions, a deceased shareholder's shares may pass to a spouse or heirs who have no expertise in the business and no interest in being a passive minority investor in a closely held company. Life insurance funded buy-sell provisions — where the corporation or remaining shareholders hold life insurance on each shareholder and use the proceeds to buy out the deceased's estate — are a common and cost-effective solution.
What Happens Without a Shareholder Agreement
Without a shareholder agreement, the OBCA's default rules govern — and those defaults are not designed with your specific business in mind. A 50% shareholder who disagrees with the other founder can block or paralyze most significant decisions. A shareholder can sell to a stranger. A deceased shareholder's estate may be entitled to dividends and inspection rights but have no clear path to liquidity. Disputes default to litigation, which is expensive, public, and destructive to the business itself.
When Should You Get One?
The answer is: at incorporation, before you issue shares, before the business has significant value, and before anyone needs it. Negotiating a shareholder agreement when all parties are optimistic and incentivized to reach a deal is infinitely easier than doing so when relationships are strained. If you are already operating without one, the second-best time is now.
At Silver Crest Law, we draft shareholder agreements for businesses in Ottawa and across Ontario — from early-stage startups to established companies bringing in new partners or investors. We also advise on disputes arising from the absence or breach of shareholder agreements.
This article provides general legal information about shareholder agreements under the Ontario Business Corporations Act. It does not constitute legal advice. Every business structure is different. Consult a business lawyer to draft or review a shareholder agreement suited to your specific situation.