Contractor Insolvency: What Happens If Your Builder Fails
Updated: Sep 20
Nobody signs a construction contract expecting the other party to fail. But contractors do fail, and they rarely fail neatly. The first sign is usually not a notice from a trustee. It is trades stopping work, suppliers calling your office asking who is going to pay them, and a site that is suddenly very quiet.
Contractor insolvency is the risk most owners think about least and prepare for worst. The good news is that almost everything that protects you has to be put in place before it happens, which means it is entirely within your control at the contract stage.

What contractor insolvency actually looks like
The early warning signs
Trades and suppliers contacting you directly about unpaid invoices.
Liens registered against your property by subcontractors you have already paid the contractor for.
Requests to accelerate payment, to release holdback early, or to pay for materials not yet delivered to site.
Key site staff leaving, manpower dropping without explanation, deliveries stopping.
A sudden change in the quality or detail of the contractor's paperwork.
None of these on its own proves anything. Two or three together mean you should stop assuming and start verifying.
What happens formally
In Canada, an insolvent company may file a proposal or assignment in bankruptcy under the Bankruptcy and Insolvency Act, or seek protection under the Companies' Creditors Arrangement Act if it is large enough. A receiver or trustee takes control. A stay of proceedings usually follows, which limits what you can do without court permission. Your contract may become an asset the trustee can disclaim or attempt to assign.
The protections that only work if you set them up first
Performance and payment bonds
A performance bond obliges a surety to step in and see the work completed, up to the bonded amount, if the contractor defaults. A labour and material payment bond gives subcontractors and suppliers a claim against the surety rather than against you and your property. On any commercial project of real size, bonding is the single most effective protection against contractor insolvency, and a 50 per cent performance plus 50 per cent payment bond is a common standard.
Bonds cost money, usually a modest percentage of the contract value, and that cost is in the contractor's price whether you see it or not. Ask for it as a separate line so you can make a real decision.
Holdback discipline
Ontario's Construction Act requires a 10 per cent statutory holdback on every payment. Holdback is not a negotiating tool and it is not yours to release early as a favour. It is the fund that protects lien claimants. Releasing it ahead of the statutory deadline can leave you paying twice.
Verify what you are paying for
Require statutory declarations with every progress payment confirming that subcontractors and suppliers have been paid to date. On larger projects, require the contractor to produce evidence of payment down the chain, and consider joint cheques to critical trades. None of this is an insult, it is normal commercial practice.
Contract terms that matter
A clear default and termination clause that does not require you to wait for a formal bankruptcy filing.
The right to take possession of materials and equipment on site and to use the contractor's drawings, submittals and warranties.
Assignment rights for subcontracts, so you can step into the trade contracts directly.
A requirement that the contractor maintain the bonds and insurance for the duration, with proof on request.
Ownership of the design documents on payment, not on completion.
What to do the week it happens
Stop payments immediately and take legal advice before releasing anything further.
Secure the site. Change the locks, control access, take dated photographs and an inventory of materials and equipment on site.
Notify the surety in writing if the work is bonded. Bonds have notice requirements and time limits. Miss them and you can weaken your own claim.
Get a third-party assessment of percentage complete, deficiencies and cost to finish before anyone argues about numbers.
Talk to the key trades. They usually want to finish. If the subcontracts can be assigned or re-let quickly, you keep momentum and knowledge on the job.
Tell your lender and your insurer. Both will have requirements, and both react badly to being told late.
The honest summary
Contractor insolvency is survivable when the contract anticipated it, and expensive when it did not. Bonding, holdback discipline, statutory declarations and clear assignment and termination rights are the whole defence, and every one of them is decided before a shovel goes in the ground. If your contract is already signed, the next best thing is to know exactly what protections you have, before you need them.
Common questions about contractor insolvency
What are the early warning signs that a contractor is in trouble?
Liens registered by subcontractors you have already paid for, requests to accelerate payment or release holdback early, key site staff leaving, manpower dropping without explanation, deliveries stopping, and a sudden change in the quality of their paperwork. One means nothing. Two or three together mean you should stop assuming and start verifying.
Does a performance bond protect me if my contractor fails?
Yes, up to the bonded amount. A performance bond obliges the surety to see the work completed. It only helps if it was in place before anything went wrong, and if you notify the surety in writing inside the notice periods the bond sets.
What should I do in the first week?
Stop payments and take legal advice, secure the site with new locks and a dated inventory, notify the surety in writing, get a third-party assessment of percentage complete and cost to finish, talk to the key trades, and tell your lender and insurer before they hear it from somebody else.
Can I keep the subcontractors on?
Often yes, and they usually want to finish. It depends on whether your contract gives you assignment rights over the subcontracts. That clause is worth having before you need it, because re-letting from scratch costs you both time and the knowledge already on site.
If you want an independent read of what your contract actually protects, that is a short conversation worth having. You can see how I work with owners and project partners on project solutions.
This article is general information about commercial construction practice in Canada, not legal advice. Insolvency is a legal process — get your own counsel involved immediately.
Connect with Carolee on LinkedIn: linkedin.com/in/carolee-w-turner-2002417




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