Why one corporation per project
A flip concentrates risk into a short window: trades on site, borrowed money, a buyer who may later sue over the renovation. A project-co contains that window. Claims against a failed project stop at the entity that owns it, joint-venture partners subscribe for shares of the specific deal they funded rather than your whole operation, the lender underwrites a clean single-asset company, and when the property sells the corporation can be wound up with its history closed for good.
Be clear about what the fence does not cover. Directors remain personally liable for unremitted HST and payroll source deductions no matter how many entities sit between them and the project, and a lender's personal guarantee reaches through the structure for that specific debt. The corporation contains commercial risk; it does not erase statutory obligations, which is an argument for keeping the compliance side spotless rather than for skipping the structure.
One Ontario flag before the first ground-up project: selling a home you built generally requires an HCRA vendor-builder licence and Tarion warranty enrolment, and the licensed vendor is usually the project-co itself. Incorporating before you commit to the deal makes the licensing land in the right entity.
The holdco above: where profit compounds
After each sale, project profit moves up to the holdco as an inter-corporate dividend, generally tax-free between connected corporations. From there it is lent down into the next project-co, so deals are seeded with capital that has only suffered roughly 12.2% tax rather than a personal-rate haircut. The holdco also keeps banked capital a step removed from live construction risk.
Three limits keep the math honest. Associated corporations share one $500,000 small business limit, so five project-cos do not multiply it. Flipping profit is active business income eligible for that limit, but rent in the same group usually is not: a corporation earning rental income with fewer than six full-time employees is a specified investment business taxed at much higher investment rates. And dividends out to family members still face TOSI unless an exclusion genuinely applies.
Choosing the shape
| Structure | Fits when | Watch for |
|---|---|---|
| Personal name | A first flip, modest expected profit | Top rates to 53.53% and no separation from personal assets |
| One operating corporation | Steady flips, same crew, no outside money | Every project shares one balance sheet and one risk pool |
| Project-cos under a holdco | Concurrent projects, JV partners, new builds | Each corporation needs its own T2, HST account and minute book |
The running cost is the honest counterweight. Every added entity brings a tax return, records and legal upkeep, so the structure has to earn its complexity in contained risk, partner clarity or deferred tax. We put numbers on that crossover in a free 15-minute discovery call rather than defaulting everyone into a three-company diagram.
Sequence it before the offer
The expensive mistake is buying first and structuring later. Moving a property you already own into a corporation is a disposition at fair market value, and while a section 85 rollover can defer the income tax, Ontario land transfer tax generally applies to the transfer anyway, at full rates on the property's value. The clean order is simple: incorporate, register the HST account where the project scope calls for it, open the bank account, then sign the agreement of purchase and sale in the corporate name.
Where partners are involved, the shareholder agreement is written before the deposit cheque, not after the first disagreement. Capital contributions, the profit waterfall, who signs the guarantee, what happens when one partner wants out mid-renovation: every one of those is cheap to settle at incorporation and expensive to litigate at drywall stage.
Our Incorporation service handles articles, share classes built for JV splits and the CRA registrations, with the structure mapped against your deal pipeline through Tax Planning & Advisory before anything is filed. If you already own a tangle of companies and properties from deals past, Corporate Restructuring is the repair path, and it is almost always cheaper than living with a structure that no longer fits. We build these for investors across Mississauga and the GTA, and the aim is always the same: a structure a lender can read in one page.
