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Earn-Outs & Reverse Earn-Outs in Business Acquisitions

When buying or selling a business, it is common for purchasers and sellers to disagree on the valuation. This issue has become even more prevalent in recent years due to economic uncertainty following the COVID-19 pandemic. When the parties cannot agree on purchase price, an earn-out or reverse earn-out may be used to bridge the valuation gap and allow the transaction to move forward.

Earn-outs are widely used across mergers and acquisitions (M&A), particularly when future business performance is uncertain or difficult to quantify at closing. They can help balance risk, motivate performance, and align expectations between both sides.

What Is an Earn-Out?

In a “classic earn-out,” the purchase price is adjusted upwards after closing if the business performs above an agreed-upon benchmark such as net profits, EBITDA, revenue, or other performance metrics relevant to the industry.

Example: If the parties agree to a base purchase price of $500,000, an earn-out provision may state that the purchase price increases by 20% if the business grows revenue by 15% within two years after closing.

An earn-out helps address the purchaser’s concerns about overvaluing the business, the seller’s concerns about undervaluing the business, and allows the transaction to move forward even when valuation differences exist.

Tax Treatment of Earn-Outs

In a share transaction, the base purchase price is taxed as a capital gain. However, any amount received under the earn-out structure is taxed as regular business income, which may significantly affect the seller’s overall tax liability.

For more information on share transactions, see the article on the Ontario Business Registry (OBR) or explore our guides related to small business tax deductions and PPSA registrations.

What Is a Reverse Earn-Out?

A reverse earn-out works in the opposite direction. The purchaser pays the maximum purchase price up front on the closing date. However, if the business fails to meet the agreed-upon performance thresholds after closing, the seller must repay a portion of the purchase price.

Tax Treatment of Reverse Earn-Outs

For reverse earn-outs in share transactions, the entire purchase price is treated as a capital gain, as long as there was a reasonable expectation that the business would meet the performance benchmarks. If the business does not meet those benchmarks, the seller incurs a capital loss, which may be used to offset other capital gains.

This approach provides more favorable tax treatment compared with a classic earn-out, depending on the circumstances.

For more insights into structuring business purchases and managing tax outcomes, visit our guide on financing your small business or our resource on employment considerations in mergers and acquisitions.

Why Earn-Outs Matter in Business Transactions

Earn-outs and reverse earn-outs provide flexibility when buyers and sellers disagree on valuation, when the future performance of the business is uncertain, when industries are changing rapidly, when parties want to share risk fairly, or when sellers expect strong future performance and want to benefit from it.

These structures can help keep negotiations alive and lead to mutually beneficial outcomes when drafted properly.

Given the legal and tax implications involved, it is essential to seek professional guidance before including an earn-out clause in a purchase agreement.

Considering an earn-out or reverse earn-out for your business purchase or sale? Kalfa Law Firm’s experienced business lawyers in the Greater Toronto Area can help you structure your transaction, negotiate favorable terms, and understand the tax implications.

Contact us today for a consultation.

FAQs:

– Felix NG, Associate Lawyer

© Kalfa Law Firm 2021. Updated July 2026

The above provides information of a general nature only. This does not constitute legal advice. All transactions or circumstances vary, and specified legal advice is required to meet your particular needs. If you have a legal question you should consult with a lawyer.

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