
Surety Bonds for Ontario Contractors
Bonding capacity decides which projects you can bid. We connect Ontario contractors with licensed brokers who have surety markets and can help you get bonded, grow your limits and meet public contract requirements.
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Service & Support:
- Follow-up from a licensed broker within 24 hours
- Policy Review and Comparison
- Risk Assessment
- Help with certificates of insurance, policy changes and contract reviews
- Renewal planning well before your policy expires
Quick answer
What are surety bonds for contractors in Ontario?
Construction surety bonds guarantee that a contractor will perform the work (performance bond), pay its subcontractors and suppliers (labour and material payment bond) or honour its tender price (bid bond). Under Ontario's Construction Act, public contracts of $500,000 or more require a performance bond and a labour and material payment bond, each for at least 50% of the contract price.
How construction bonds work
A surety bond is a three party guarantee between the contractor, the project owner and a surety company. If the contractor fails to perform or pay, the surety steps in, then looks to the contractor to repay it. That is why bonding is underwritten much like credit.
For Ontario public contracts of $500,000 or more, the Construction Act requires a labour and material payment bond and a performance bond, each covering at least 50% of the contract price, in the prescribed forms. Many private owners and lenders also ask for bonds on larger projects.
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We are not an insurer or a broker. We find you the right one.
Matched by industry
We connect you with a broker who works with businesses like yours, not a generic call centre.
Licensed Ontario brokers
Insurance brokers in Ontario are licensed by the Registered Insurance Brokers of Ontario (RIBO).
Fast follow up
Once we receive your information, a professional in our network will connect with you within 24 hours.
No cost to be matched
Our referral service is free for businesses. You deal directly with the broker for quotes and coverage.
Common construction bonds
These are the bonds Ontario contractors are asked for most.
Bid bond
- Submitted with a tender
- Guarantees you will sign at your bid price
- Often 10% of the bid
Performance bond
- Guarantees completion of the contract
- At least 50% on Ontario public contracts over $500,000
- Form 32 on public work
Labour and material payment bond
- Protects subs and suppliers if you do not pay
- At least 50% on Ontario public contracts over $500,000
- Form 31 on public work
Maintenance bond
- Covers warranty period defects
- Sometimes required after completion
- Shorter term
Licence and permit bonds
- Required by some municipalities
- Road cut and right of way permits
- Small, fixed amounts
Lien bonds
- Used to vacate a construction lien
- Keeps funds flowing on a project
- Arranged through a surety
How to get bonded and grow your capacity
What sureties look at
Sureties underwrite character, capacity and capital: your experience, the size and type of work you have completed, and your financial statements, ideally prepared by an accountant who knows construction.
- Year end financial statements and work in progress schedules
- Completed project history
- Bank line and working capital


Start before you need it
Bonding takes time to set up. Talk to a surety broker months before your first bonded tender so your limits are in place when the right project comes up.
- Set a single job and aggregate limit
- Share your pipeline
- Keep the surety updated as you grow
Bid bigger public and private work
Tell us about your construction company and the work you want to bid, and we will connect you with a licensed Ontario broker with surety markets who can set up or grow your bonding program.
See also general contractor insurance.
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Surety Bond FAQs

Are bonds mandatory on Ontario public construction projects?
Yes. Under the Construction Act, public contracts with a price of $500,000 or more require a performance bond and a labour and material payment bond, each for at least 50% of the contract price, in the prescribed forms.
Is a surety bond the same as insurance?
No. Insurance protects you. A bond protects the owner, subcontractors and suppliers, and the surety expects the contractor to repay any claim it pays.
How much does a surety bond cost?
Bond premiums are usually a percentage of the bonded amount and depend on your financial strength and experience. A surety broker can quote once they review your financials.
Can a small contractor get bonded?
Yes. Smaller contractors can often start with modest limits based on their financial statements and experience, then grow them over time.
What happens after you request commercial insurance?
1Discovery Call
(30 to 45 min)Understand operations, contracts, assets, and loss history.
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We will request your
expiring policies and loss runs.
2Risk Mapping
(1 to 3 days)Document exposures, limits, sublimits, deductibles, and endorsements that fit your contracts.
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3Market Placement
(2 to 5 days)Approach the right markets
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and negotiate terms, exclusions, and deductibles.
4Proposal & Bind
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