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When Should an Ontario Business Owner Set Up a Holding Company?

A holding company isn't necessary for every Ontario business. Here's when adding one to your corporate structure actually starts to make sense.

Corporate6 min readTSLBy the Treadstone Law team · OntarioUpdated 2026-07
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Key takeaways
  • A holding company ("holdco") is a corporation that owns shares in your operating business rather than running day-to-day operations itself.
  • - Separating surplus cash from operating risk.
  • - The operating company is consistently profitable well beyond what you draw out to live on, and cash is accumulating inside it - You’re carrying more risk in the operating business than…

Once a business starts generating more profit than the owner needs to live on, someone eventually suggests a holding company. It’s genuinely useful for the right business — but it’s also an extra corporation with its own filings, records, and accounting, so it’s worth understanding when the benefit actually outweighs that added complexity.

What a Holding Company Actually Is

A holding company ("holdco") is a corporation that owns shares in your operating business rather than running day-to-day operations itself. Instead of you personally owning shares in "Operating Co.," your holdco owns those shares, and you personally own shares in the holdco. The operating company keeps doing the actual business — selling, hiring, signing contracts, taking on liability. The holdco mostly just holds an asset: shares.

Why Owners Add One

Signs the Timing Makes Sense

Signs It’s Probably Not Worth It Yet

What Setting One Up Involves

The Trade-Off to Weigh

A holding company adds a second set of annual filings, a second minute book to maintain, and generally higher accounting fees — every year, indefinitely. That’s a real, recurring cost against a benefit that’s often more valuable in a crisis (a lawsuit, a bad debt) than in ordinary years. For a business with real accumulated surplus and real operating risk, it’s usually worth it. For a business that’s still early or simple, it can be complexity added before it’s needed — which is really the same lesson as deciding when to incorporate in the first place.

Frequently asked questions

Does a holding company protect me from being personally sued?

Not directly — a holding company sits above your operating company in the corporate structure; it doesn’t change your personal liability exposure the way incorporating your operating business did in the first place. Its main role is separating accumulated value from operating risk, not shielding you personally beyond what incorporation already does.

Can I set up a holding company after I’ve already been operating for years?

Yes, this is common — many owners add a holding company once the business is established and profitable, through a share exchange or reorganization. Because the tax mechanics matter here, this should be planned with your accountant and lawyer together, not done retroactively without advice.

Is a holding company the same as a "founders’ agreement"?

No. A holding company is a separate corporation that owns shares; a "founders’ agreement" is a colloquial term for what’s usually actually a shareholders’ agreement between the people who own the operating company (or the holdco). They solve different problems and often exist side by side.

How many corporations does a holding structure usually involve?

At minimum two — the holdco and the operating company — though owners running multiple business lines sometimes use one holdco above several operating companies.

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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