Holding Company Tax Savings Calculator Ontario 2026
You have cash building up in the operating company and someone has told you to set up a holdco. Find out what it actually protects, what it saves at exit, what it does not fix, and whether the numbers justify the setup and annual cost yet.
protected and saved
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What the Holdco Does and Does Not Do for You
| Benefit | Does a Holdco Deliver It | Your Number |
|---|
Surplus Moved Up Over Time
| Year | Moved Up That Year | Protected Balance | Still Exposed in the Opco |
|---|
Cost of the Structure
| Item | Basis | Amount |
|---|
Points That Decide This Before the Numbers Do
What to Do Next
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Disclaimer: This calculator uses 2026 combined corporate and top personal rates, the 2026 lifetime capital gains exemption of $1,275,000, a 50% capital gains inclusion rate and the federal passive income grind that reduces the small business deduction by $5 for every $1 of adjusted aggregate investment income above $50,000. Ontario does not parallel that grind. Moving surplus to a holding company does not avoid it, because adjusted aggregate investment income is aggregated across associated corporations. Access to the lifetime capital gains exemption depends on the qualified small business corporation tests being met at the time of sale and throughout the preceding 24 months, and multiplication across family members depends on share structure, the tax on split income rules and the alternative minimum tax. Intercorporate dividends above safe income can be recharacterised as capital gains under subsection 55(2). This page is general information, not tax advice.
What a Holding Company Actually Does, and What It Does Not
A holding company is a second corporation that owns the shares of your operating company. Surplus cash is moved up to it as an intercorporate dividend, which is generally tax free between connected Canadian corporations under section 112, and the money then sits and is invested one level away from the business.
Owners are usually sold a holdco on tax savings. That is the wrong reason, and it leads to disappointment when the first year’s numbers arrive. The genuine reasons are protection and exit planning, and both are worth far more than the tax story they were promised.
| Claimed Benefit | Real Position |
|---|---|
| Defers tax on retained earnings | The deferral already exists by leaving money in the opco. A holdco adds nothing to it. |
| Avoids the passive income grind | No. Investment income is aggregated across associated corporations for the grind. |
| Protects surplus from operating creditors | Yes, and this is the main reason to do it. |
| Keeps the opco eligible for the capital gains exemption | Yes, purification is a genuine and valuable function. |
| Lets family members each claim the exemption | Yes, with the right share structure put in place early. |
| Splits income with family | Heavily restricted by the tax on split income rules since 2018. |
The Passive Income Grind, and Why a Holdco Does Not Fix It
Since 2019 the federal small business deduction is reduced by $5 for every $1 of adjusted aggregate investment income above $50,000, and disappears entirely at $150,000. Losing the small business deduction costs 6% federally, because active income moves from the 9% small business rate to the 15% general rate.
Owners are frequently told that moving the investments into a holdco solves this. It does not. The grind is calculated on the combined adjusted aggregate investment income of the corporation and all associated corporations, and a holdco that owns the opco is associated with it by definition.
Ontario does not parallel the grind. The Ontario small business deduction limit stays at $500,000 regardless of investment income, so the damage is federal only. That is why the cost of the grind in this calculator is 6% of the ground amount rather than the full spread between the small business and general rates.
What genuinely reduces the grind is changing what the money is invested in, not where it sits. Corporate-owned permanent life insurance, an individual pension plan and investments structured for capital gains rather than interest all reduce adjusted aggregate investment income. Those are planning conversations, not incorporation conversations.
Creditor Protection Is the Real Reason
Every dollar of surplus sitting in the operating company is exposed to that company’s creditors. A supplier dispute, a wrongful dismissal claim, a personal injury action, a landlord enforcing a lease guarantee, or simply a bad year can reach it.
Moved up to a holding company, the same money is one corporate layer away. The holdco is a shareholder of the opco, and a shareholder’s exposure is limited to its investment. The cash is not beyond reach in a fraudulent conveyance, so this has to be done while the business is solvent and before a claim is on the horizon, but done properly and early it is the single most valuable thing a holdco does.
| Business Type | Typical Risk | How Urgent a Holdco Is |
|---|---|---|
| Professional practice, no staff, no debt | Low | Consider once surplus passes $250,000 |
| Business with staff, leases and supplier terms | Moderate | Worth doing once surplus is meaningful |
| Construction, trades, transport, food service | High | Do it before the surplus builds, not after |
| Any business with personal guarantees given | High | A holdco does not protect against the guarantee itself |
Purification and the Lifetime Capital Gains Exemption
The 2026 lifetime capital gains exemption on qualified small business corporation shares is $1,275,000 per individual. At a 50% inclusion rate and the top Ontario rate, that is roughly $341,000 of personal tax saved on a share sale, per person.
To qualify, the shares must meet three tests. All or substantially all of the corporation’s assets, meaning 90% or more by fair market value, must be used in an active business at the time of sale. More than 50% must have been so used throughout the preceding 24 months. And the shares must not have been owned by anyone other than you or a related person in that period.
Cash is the problem. Surplus cash and investments are not assets used in an active business, so a corporation with a large investment portfolio fails the 90% test and the exemption is lost on a sale. Moving that surplus up to a holdco is called purification, and it is what keeps the exemption alive. It also has to be done in advance, because the 50% test looks back 24 months.
Multiplying the Exemption Across Family
The exemption is per individual, not per business. Where a spouse or adult children hold shares directly or through a discretionary family trust, each can claim their own exemption against their share of the gain. Two people sheltering the full amount each shelters $2,550,000 of gain.
This has to be structured before the value is there, because putting family members into shares that are already worth millions is itself a taxable event. The tax on split income rules also apply to dividends along the way, though they do not restrict the capital gains exemption on a genuine share sale in the same manner. It is a structure to set up early and review annually, not something to arrange in the month before closing.
Section 55(2) and Safe Income
Moving money up is generally tax free, but not without limit. Subsection 55(2) can recharacterise an intercorporate dividend as a capital gain where the dividend exceeds the safe income on hand attributable to the shares, and where one of the purposes was to reduce a capital gain.
In practice, dividends paid out of accumulated after-tax retained earnings are usually within safe income, so a regular annual sweep of surplus is low risk. Large one-off dividends immediately before a sale are exactly where the rule bites. That is another reason to start the sweep years before the exit rather than at the closing table.
What It Costs
| Item | Fee |
|---|---|
| Holding company incorporation, government fee | $300 |
| NUANS name search | $25 |
| Professional fee for the incorporation | $35 |
| Total setup | $360 |
| Annual T2 and financial statements | $400 |
| Annual return filing | $50 |
| Total annual | $450 |
A share reorganisation, where existing opco shares are transferred to the holdco under a section 85 rollover or a share exchange under section 85.1 or 86, is quoted separately after the structure is agreed. That step is what most owners actually need, and it is legal work as much as tax work.
When a Holdco Is Not Worth It
- You spend everything you earn. No surplus means nothing to protect and nothing to purify.
- The surplus is small. Below roughly $100,000 of accumulated cash, the annual cost is a meaningful share of what is being protected.
- You are about to sell. The 24-month look-back means purification started now may not fix a sale next year.
- You want it to fix the passive income grind. It will not, and that expectation leads to a structure nobody maintains.
- You will not keep the filings current. A second corporation means a second T2 every year, forever.
The sequence matters more than the decision. Incorporating the holdco is the easy part. Getting the shares into it without triggering tax, setting the family share structure before the value builds, and starting the annual dividend sweep early are what make it work. Our holding company planning service covers the structure, the rollover and the ongoing filings.
Frequently Asked Questions
Common questions from owner-managers with cash building up in the business.
Related Calculators and Guides
More tools for owner-managed corporations.
Get the Structure Right Before the Value Is There
The holdco is the easy part. Getting the shares into it without triggering tax, setting the family structure early and starting the surplus sweep are what make it work. Send us your share register and the corporate balance sheet and we will map it.