- Under the federal Excise Tax Act, GST/HST generally applies to the sale of most business assets.
- An asset sale typically bundles together several categories of property, and the default taxable-supply rule generally captures the sale as a whole, not just isolated pieces of it: That…
- Where HST does apply, Ontario's Harmonized Sales Tax rate has stood at 13% (a 5% federal portion plus an 8% Ontario portion) since it was introduced in 2010.
If you're buying or selling business assets in Ontario, HST is not an afterthought — it's a default rule you need to plan around from the start. Unless the parties take a specific step to change the outcome, most sales of business assets are treated as taxable supplies, meaning HST generally applies to the transaction.
Getting this wrong has real consequences: a buyer who assumed no HST would apply can face a large, unplanned cash outlay at closing, and a seller who doesn't collect and remit HST properly can be on the hook to the Canada Revenue Agency regardless of what the buyer actually paid. Here's how the default rule works, and what it means for structuring a deal.
The Default Rule: HST Generally Applies
Under the federal Excise Tax Act, GST/HST generally applies to the sale of most business assets. That means, absent something specific changing the result, a sale of equipment, inventory, fixtures, and most other business assets is treated as a taxable supply — the seller is generally required to collect HST on the sale, and the buyer generally has to pay it (though a registered buyer can often recover it as an input tax credit, subject to the usual rules for doing so).
This is the starting assumption for any asset sale in Ontario. It is not something that only applies to certain industries or certain sizes of deal — it is the default, and any different result has to come from somewhere specific in the transaction.
What Counts as a Taxable Supply in a Business Sale
An asset sale typically bundles together several categories of property, and the default taxable-supply rule generally captures the sale as a whole, not just isolated pieces of it:
| What's Being Sold | Generally Taxable by Default? |
|---|---|
| Equipment, fixtures, furniture | Yes |
| Inventory | Yes |
| Goodwill | Yes, as part of the overall taxable supply |
| Real property included in the sale | Subject to its own separate HST and land transfer tax rules |
| Shares of a corporation (share sale, not asset sale) | Generally treated as an exempt supply — no HST on the sale of shares themselves |
That last row matters: the taxable-supply default is really an asset sale issue. A share sale is generally treated differently for HST purposes, which is one more reason the choice between an asset sale and a share sale ripples through so much of a deal's tax picture.
The Ontario HST Rate
Where HST does apply, Ontario's Harmonized Sales Tax rate has stood at 13% (a 5% federal portion plus an 8% Ontario portion) since it was introduced in 2010. As of mid-2026, that rate is unchanged — but tax rates are exactly the kind of figure that can move, so confirm the current rate before finalizing any closing calculations, especially if your deal is closing well into the future.
On a sizeable business asset sale, 13% is not a rounding error — it can represent a substantial amount of cash that needs to be accounted for in the deal's financing and timing, not just its final price tag.
The Exception Most Sellers Rely On
Because the default rule can create a large, temporary cash-flow burden — the buyer has to pay the HST at closing even though it may later recover it as an input tax credit — many qualifying business asset sales are instead structured using a joint election available under the Excise Tax Act that allows the sale to proceed without HST changing hands at all. This election is only available where specific conditions are met, and it needs to be filed correctly and on time to be effective. It deserves its own careful look rather than being assumed to apply automatically to every deal.
What This Means for Structuring Your Deal
- Assume HST applies until you've confirmed otherwise. Don't build a closing budget or purchase price around an assumption that a sale will be HST-free.
- Identify early whether the transaction might qualify for relief from the default rule. This needs to be assessed well before closing, not discovered at the closing table.
- Make sure the purchase agreement is explicit about HST. State clearly whether the stated price is inclusive or exclusive of HST, and who is responsible for filing any required election.
- Coordinate with your accountant on registration status. Whether the buyer is (or needs to be) HST-registered affects both the mechanics and the cash-flow impact of the sale.
- Don't forget real property, if any is included. Real property in a business asset sale can carry its own separate HST and Ontario land transfer tax consequences, on top of the rest of the deal.
Frequently asked questions
Does HST apply to a share purchase the same way it applies to an asset purchase?
No. A share sale is generally treated as an exempt supply for HST purposes — there is no HST on the sale of the shares themselves. This is one of several ways an asset sale and a share sale are taxed very differently.
Who is responsible for paying the HST at closing?
As a general matter, the seller collects HST from the buyer and remits it to the Canada Revenue Agency, though the specific mechanics — including whether an election applies — should be confirmed with your accountant and set out clearly in the purchase agreement.
If the buyer is HST-registered, does that mean no HST actually applies?
Being registered generally allows a buyer to recover HST paid as an input tax credit, subject to the usual rules, but registration on its own does not eliminate the requirement to charge and account for HST at closing unless a specific election changes that result.
Does this rule apply to the sale of a business's real estate too?
Real property included in a business asset sale has its own separate HST considerations, on top of Ontario land transfer tax, which applies to conveyances of land generally. These need to be assessed separately from the rest of the asset sale.
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