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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Business & Commercial Law Ontario » Business Formation & Contracts Ontario » How to Draft an Earn-Out Provision for a Business Sale in Ontario

How to Draft an Earn-Out Provision for a Business Sale in Ontario

13 Jun 2026 4 min read No comments Business Formation & Contracts Ontario
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An earn-out provision bridges the gap when an Ontario buyer and seller disagree on a business’s exact value. The buyer pays a lower base price upfront, plus future contingent payments tied to the company hitting specific financial targets over 1 to 3 years. Properly drafting this requires an experienced corporate lawyer to prevent post-sale litigation.

Selling a successful business in Ontario rarely happens without friction. One of the most common roadblocks during negotiations is a “valuation gap.” The seller believes the company will continue to grow rapidly and demands a premium price, while the buyer is skeptical about future profits and wants to pay less. To save the deal, corporate lawyers use a powerful tool known as an earn-out provision.

Whether you are selling a software startup in Kitchener, an established logistics firm in Thunder Bay, or a marketing agency in Toronto, an earn-out ties a portion of the final purchase price to the future performance of the business. 📍 If the company succeeds as the seller promised, they get their full asking price. If revenues drop, the buyer pays less. Because millions of dollars can be at stake, hiring a skilled Ontario business lawyer from our directory is essential to draft the operational covenants securely.

Step-by-Step Process in Ontario for Structuring an Earn-Out

Drafting an earn-out is not just about setting a target number; it is about predicting human behaviour. The legal agreement must dictate exactly how the business will be run after the sale to ensure fair play.

Step 1: Selecting the Financial Metric

The most crucial step is defining exactly what triggers the bonus payout. 📈 Buyers usually prefer to use EBITDA (Earnings Before Interest, Taxes, Depreciation, and Amortization) because it measures true profitability. Sellers, however, generally prefer Gross Revenue, because a buyer can easily manipulate net profits by suddenly increasing their own executive salaries or overspending on new marketing campaigns.

Step 2: Setting the Measurement Period

Earn-outs are not open-ended. Your legal counsel must negotiate a strict timeframe during which the targets must be met. In most Ontario commercial transactions, the earn-out period lasts between 12 and 36 months post-closing. The longer the period, the higher the risk that shifting economic conditions will ruin the seller’s chances of getting paid.

Step 3: Drafting Post-Closing Operational Covenants

If you are the seller, you must ensure the buyer does not intentionally sabotage the business just to avoid paying the earn-out. 🔒 Your lawyer will draft strict operational covenants. These legally require the buyer to provide adequate working capital, maintain current pricing structures, and prevent them from diverting key clients to another company they own.

Step 4: Establishing a Dispute Resolution Mechanism

Because financial statements can be interpreted in multiple ways, disagreements are common. A well-drafted earn-out provision in Ontario will explicitly state that any mathematical disputes must be forwarded to an independent, mutually agreed-upon Chartered Professional Accountant (CPA) firm, rather than immediately rushing to the Superior Court of Justice.

How Much Does it Cost in Ontario?

Adding a complex earn-out provision to your Share Purchase Agreement (SPA) or Asset Purchase Agreement (APA) will increase your professional fees. 💰 As of May 2026, expect the following costs in Canadian dollars:

  • Legal Drafting Fees: Customizing earn-out covenants and dispute mechanisms generally adds $3,000 to $7,000 CAD to your total legal bill.
  • Financial Advisory Fees: Hiring an M&A advisor or corporate accountant to model the EBITDA targets often costs between $4,000 and $10,000 CAD.
  • Post-Closing Audit Costs: Verifying the financial statements at the end of each earn-out year usually requires an independent CPA audit, costing $5,000 to $15,000 CAD annually.
Service PhaseProfessional RequiredEstimated Cost (CAD)
Negotiation & DraftingCorporate Lawyer$3,000 – $7,000+
Target Financial ModelingAccountant / M&A Advisor$4,000 – $10,000
Annual Earn-Out VerificationIndependent CPA Firm$5,000 – $15,000/yr

How Long Does the Process Take?

Negotiating the mechanics of an earn-out is notoriously time-consuming. 🕑 It frequently adds 2 to 4 weeks to the drafting phase of the purchase agreement, as both sides argue over accounting principles and post-sale control. Once the deal closes, the wait for your money truly begins.

Depending on the contract, the seller will receive their contingent payments in intervals. Payments are typically calculated and distributed annually within 60 to 90 days after the company’s fiscal year-end, allowing time for accountants to finalize the official financial statements.

Frequently Asked Questions (FAQ)

Is an earn-out taxed as a capital gain or as employment income?

It depends on how it is structured. If the earn-out is strictly tied to the sale of the business’s goodwill, the CRA generally taxes it as a capital gain. However, if the seller is required to stay on as an employee to earn the payout, the CRA may reclassify it as highly taxed employment income.

What happens if the buyer sells the company before my earn-out period ends?

Your lawyer must include an “acceleration clause.” This legally forces the buyer to pay out the maximum remaining value of the earn-out immediately if they sell the business, undergo a major change of control, or declare bankruptcy during the measurement period.

Does the seller have to stay and work for the company during the earn-out?

Not necessarily, but it is extremely common. Most buyers insist the founder signs an employment or consulting agreement to stay for 1 to 2 years, ensuring a smooth transition of client relationships to guarantee the revenue targets are met.

Can an earn-out be based on launching a specific new product?

Yes. While most earn-outs are tied to financial metrics like EBITDA, they can also be tied to operational milestones, such as successfully obtaining a specific Health Canada licence, launching a new software update, or renewing a major municipal contract.

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