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Drag-Along and Tag-Along Rights in Ontario Shareholder Agreements

Understand drag-along and tag-along rights in Ontario shareholder agreements — what they do, who benefits, and how they're drafted for small businesses.

Corporate5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-06
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Key takeaways
  • A drag-along right (also called a "bring-along" right) is a provision that allows a majority shareholder — or a defined group of shareholders holding a threshold percentage of shares —…
  • A tag-along right (or co-sale right) protects minority shareholders when the majority wants to sell.
  • - Majority shareholders want drag-along so they can deliver a clean 100% sale when the time is right.

Selling a private Ontario corporation often requires all shareholders to cooperate — but what happens when a minority shareholder refuses to sell, or when a majority shareholder wants to sell the company without bringing the minority along? Two provisions in a shareholder agreement address these opposing concerns: drag-along rights and tag-along rights (sometimes called co-sale rights).

These are different tools that protect different parties. Understanding both — and making sure your shareholder agreement includes the right combination — is essential if you ever expect to sell your business.

What Are Drag-Along Rights?

A drag-along right (also called a "bring-along" right) is a provision that allows a majority shareholder — or a defined group of shareholders holding a threshold percentage of shares — to compel the remaining shareholders to sell their shares to the same third-party buyer, on the same terms.

Why drag-along rights exist

Most sophisticated buyers want to acquire 100% of the shares of the corporation they are purchasing. A buyer who ends up with a minority holdout faces a co-owner they never chose and never agreed to — and the minority shareholder will retain statutory rights (including the ability to apply for oppression remedies under the OBCA) that can complicate future business decisions.

Without a drag-along right, a single minority shareholder who refuses to sell can block the entire transaction or, at minimum, demand a premium above the deal price in exchange for their cooperation.

How drag-along rights work in practice

  1. The majority shareholder negotiates a sale with a third-party buyer.
  2. Once the deal is agreed at the majority level, the majority shareholder delivers notice to the minority shareholders.
  3. The notice states the terms of the proposed sale — price per share, form of consideration, and closing date.
  4. The minority shareholders are contractually obligated to sell their shares on the same terms.

Protections for minority shareholders in a drag-along

A well-balanced shareholder agreement includes guardrails on drag-along rights:

What Are Tag-Along Rights?

A tag-along right (or co-sale right) protects minority shareholders when the majority wants to sell. If the majority shareholder receives a third-party offer to buy their shares, the minority has the right to "tag along" — to sell their shares to the same buyer, on the same terms, alongside the majority.

Why tag-along rights matter

Consider this scenario: you own 30% of a corporation, and your co-owner holds 70%. A buyer approaches your co-owner and offers to purchase their 70% stake — allowing your co-owner to exit the business at a premium. Without a tag-along right, you are left behind as a 30% minority in a corporation now controlled by a stranger you never agreed to work with. Your leverage has evaporated.

A tag-along right solves this. Before your co-owner can sell to the buyer, they must notify you and give you the right to sell your 30% on the same terms — which may mean the buyer acquires 100%, or may mean the buyer purchases only a proportional amount from each of you.

How tag-along rights work

  1. The majority shareholder receives a bona fide third-party offer and wishes to accept it.
  2. The majority shareholder delivers a notice to minority shareholders with the terms of the proposed sale.
  3. The minority has a defined period (commonly 20 to 30 days) to elect to exercise their tag-along right.
  4. If the minority exercises the right, they participate in the sale on the same per-share terms.
  5. If the buyer is unwilling to buy 100%, the deal may be structured so each shareholder sells proportionally (pro rata tag-along), or the majority may be required to reduce their sale to accommodate the minority's participation.

Drag-Along and Tag-Along Together

These two rights often coexist in the same agreement — they protect opposite parties in the same type of transaction.

A balanced agreement contains both, with appropriate thresholds and protections.

Drafting Details That Matter

The value of these provisions depends entirely on how carefully they are drafted:

Frequently asked questions

Can a minority shareholder refuse to sell even with a drag-along clause?

If the agreement is properly drafted and the drag-along is triggered according to its terms, refusing to sell would be a breach of contract. The majority could seek a court order to compel the transfer. The minority's best protection is negotiating strong guardrails at the drafting stage.

Do tag-along rights apply in a share purchase agreement with a third party?

Yes, if the shareholder agreement is structured correctly. The buyer's lawyers will typically require confirmation that all transfer restrictions and tag-along rights have been satisfied as a condition of closing.

What if there are multiple minority shareholders and the buyer does not want to acquire all of them?

This requires careful drafting. Some agreements use a "pro-rata" tag-along, where the majority must reduce its sale to accommodate the minority. Others allow the minority to compete for a fixed percentage of the deal. There is no universal answer — it depends on the specific negotiated terms.

Are these rights common in small Ontario businesses?

They are standard in any deal that involves investor financing (angel, VC, or private equity), and increasingly common in co-founder agreements even without institutional investment. They are well worth including even in a two-person startup.

This article is general information, not legal advice. Reading it does not create a lawyer-client relationship. Ontario laws, tax rates, and government programs change, and how the law applies depends on your specific facts. For advice about your situation, speak with a licensed Ontario lawyer. Treadstone Law is licensed by the Law Society of Ontario — reach us at 1-844-900-1070 or start a file online.

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