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Employee Continuity of Service in a Share Sale: Ontario Explained

Why does a share sale leave every employee's job, contract, and length of service undisturbed in Ontario? The legal reason is simpler than most people think.

Buying & Selling a Business5 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • In a share sale, the buyer purchases the shares of the corporation that owns and operates the business.
  • - Your employment contract, on whatever terms it existed the day before closing.
  • There, the buyer becomes a genuinely new employer, and Ontario's Employment Standards Act, 2000 has a specific continuity-of-employment provision (often discussed as "section 9") that…

Employees are often told, correctly, that a share sale won't affect their job. What's less often explained is why that's true — and understanding the mechanism matters, because it's different from the reasoning that applies to an asset sale. Employee continuity in a share sale isn't a special protection the law grants; it's simply a consequence of what a share sale actually is.

This article explains the legal logic behind that continuity, what stays exactly the same, what can still change after new owners take over, and how a share sale compares to an asset sale on this specific point.

The Core Reason: The Employer Never Changes

In a share sale, the buyer purchases the shares of the corporation that owns and operates the business. The corporation itself — the legal entity that employs everyone — doesn't go anywhere. It keeps existing, keeps its name, keeps its contracts, and keeps its employees. Only the identity of its shareholders changes.

Because the employer is the corporation, not the people who happen to own it, an employee's employment relationship is with that same corporation before and after the sale. There's no new employer for the law to reconcile, so there's no need for a special rule bridging old service to a new employer — nothing about the employment relationship changed in the first place.

What Stays Exactly the Same

None of this requires an employee to be "rehired," sign a new contract, or have their file transferred — because, legally, nothing about who employs them has moved.

Why This Differs From an Asset Sale

An asset sale is the mirror image. There, the buyer becomes a genuinely new employer, and Ontario's Employment Standards Act, 2000 has a specific continuity-of-employment provision (often discussed as "section 9") that can deem an employee's service not to have been broken — but only when its conditions are met, and only for statutory purposes. A share sale needs no such rule, because the "new employer" problem never arises.

What Can Still Change After a Share Sale

Continuity of employment doesn't mean nothing is ever allowed to change once new ownership is in place. New owners can still make legitimate go-forward changes to a business — new management structure, new policies, new strategic direction. The general limits that apply to any employer making unilateral changes to fundamental terms of employment (pay, duties, reporting line) apply here in exactly the same way they would to any other employer; a share sale doesn't loosen or tighten those limits.

Share Sale vs. Asset Sale: Continuity at a Glance

QuestionShare SaleAsset Sale
Does the legal employer change?NoYes — the buyer becomes the employer
Is continuity of service automatic?Yes, by defaultOnly if the ESA's continuity conditions are met
Is the buyer required to hire anyone?Not applicable — employment is already in placeNo statutory obligation to hire
Can go-forward terms still change?Yes, subject to ordinary employment-law limitsYes, subject to the same limits

A Note on Non-Competes and Other Post-Sale Arrangements

Because a share sale doesn't disturb the employment relationship itself, arrangements tied to the transaction — like a departing owner staying on as an employee, or a non-compete negotiated as part of the deal — are handled separately, in the purchase agreement and any related employment agreements, rather than through the continuity mechanism described here.

Frequently asked questions

Does my seniority "reset" when the company I work for is sold as a share deal?

No. Your length of service continues counting from your original start date, because your employer — the corporation — never changed.

Can the new owner cut my pay after a share sale?

The new owner steps into the same legal position the previous owner held as employer. Any change to a fundamental term like pay is subject to the ordinary employment-law principles that apply to any employer, not something a share sale changes one way or the other.

Do I get a new employment contract when the shares change hands?

Not automatically, and not usually necessary — since your employer didn't change, your existing contract keeps applying. A new owner may choose to issue an updated handbook or welcome materials, but that's a business choice, not a legal requirement triggered by the sale.

What if the buyer asks me to sign something at closing anyway?

This happens sometimes for administrative or confirmatory reasons. Read anything you're asked to sign carefully, and if it looks like it's changing your existing terms rather than simply confirming them, it's worth a quick review before you sign.

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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