Insurance and bonding decide what work you can win. In Ontario, many contractors lose tenders and get removed from bid lists for reasons that have nothing to do with price. The certificate is wrong. The limits do not match. The bonding program is not in place. The WSIB requirement is not confirmed. The owner moves on.
This guide explains the insurance foundation contractors need, how bonding works, what owners and general contractors expect, and how to build a program that supports growth across Ontario and Canada.
Who this applies to
This applies to Ontario contractors, including:
General contractors bidding public and private tenders
Trade contractors working under GCs or on direct contracts
Contractors doing renovation, restoration, and tenant fit outs
Builders working on residential, commercial, and light industrial projects
Contractors expanding Canada wide with repeat contract templates
If you are searching for contractor insurance Ontario, construction insurance Ontario, surety bonding Ontario, bid bond requirements, or performance bond and payment bond coverage, the focus should be tender ready paperwork and real coverage alignment.
Definitions
Commercial general liability: Coverage for third party bodily injury or property damage allegations tied to your operations, subject to policy terms.
Completed operations: Liability exposure that continues after the job is finished, including defects and resulting damage that appear later.
Builder’s risk: Property coverage for materials and work in progress during construction, often structured by the owner or project team.
Bid bond: A bond that supports a tender and assures the owner you will enter the contract and provide required bonds if awarded.
Performance bond: A bond that guarantees completion of the contract in accordance with the terms, subject to the bond wording.
Labour and material payment bond: A bond that can protect eligible subcontractors and suppliers by guaranteeing payment for labour and materials on the bonded project.
Why insurance and bonding matter together
Owners and general contractors use insurance and bonding to filter risk.
Insurance helps respond to accidents, injuries, and property damage. Bonding helps address contract performance risk and payment risk. On larger projects, you often need both to qualify.
When your program is inconsistent, it creates delays. Delays create disqualification risk. A clean program does the opposite. It makes you easier to hire.
The insurance foundation
A strong contractor insurance program is built around job sites, vehicles, equipment, and long tail exposure.
Commercial general liability and completed operations
What it can cover:
Third party bodily injury and property damage allegations
Defence costs for covered claims
Completed operations exposure after turnover, subject to limits and terms
What it often does not cover:
Rework and poor workmanship costs without resulting damage
Contract penalties for delay
Professional exposures unless added separately
Tools and equipment coverage
What it can cover:
Theft and damage to scheduled tools and equipment
Owned and in some cases rented equipment, depending on structure
Losses across sites and storage locations, subject to terms
What it often does not cover:
Unscheduled high value items
Losses from unsecured vehicles without the right structure
Normal wear and tear
Commercial auto insurance for contractor vehicles
If vehicles haul tools, materials, or crews, the policy needs to reflect actual use.
What it can cover:
Third party injury and property damage claims from vehicle accidents
Physical damage to scheduled vehicles if purchased
Some non owned or hired exposures depending on structure
What it often does not cover:
Undeclared drivers or incorrect use classifications
Cargo or customer property without proper coverage
Equipment or tools in the vehicle unless addressed under property or equipment coverage
Builder’s risk coordination
Builder’s risk is often arranged by the owner, but contractor responsibilities vary.
You need clarity on:
Who insures materials on site and in transit
Who insures work in progress
Deductibles and who pays them
How claims are reported and documented
Umbrella or excess liability
Umbrella limits matter when:
Owner requirements exceed primary limits
Projects involve higher property values and severity
You work on occupied sites with public exposure
Bonding basics for Ontario contractors
Bonding is a credit based guarantee. It is underwritten like credit, not like typical insurance.
What bonds are commonly required
Bid bond to support tendering and prove credibility
Performance bond to guarantee completion under contract terms
Payment bond to protect subcontractors and suppliers
Maintenance bond in some contracts to cover defined warranty obligations
What a bond claim is and how it starts
A bond claim usually starts when the owner alleges default or non performance. The bond process is structured and tied to the contract and the bond wording. Many disputes escalate because documentation is weak or issues were not escalated early.
What owners and GCs expect
Owners and general contractors typically expect consistency and speed. They want to see that you can meet requirements without friction.
Insurance requirements owners care about
Certificates issued quickly and accurately
Correct legal names for certificate holders and additional insureds
Limits that match contract requirements
Waiver of subrogation wording when required
No surprising exclusions for core operations
[Internal link: https://www.myboardwalk.ca/certificate-of-insurance | certificate of insurance]
Compliance requirements that affect eligibility
WSIB status confirmed where required
Subcontractor compliance process you can enforce
Clear contract language that matches your insurance
Proof of coverage that stays current during the project
Common claim scenarios for contractors
A visitor injury allegation at a site leads to a liability claim
A subcontractor causes property damage and the claim flows back to the GC
A fire or water incident triggers builder’s risk involvement and delay disputes
Tools are stolen from a site or from a vehicle overnight
A vehicle accident creates injury exposure and contract disruption
A defect appears after turnover and triggers a completed operations claim
A subcontractor defaults and the project schedule slips, leading to bonding issues
Cost drivers and underwriting questions brokers actually ask
Insurers and sureties ask different questions, but both care about control and capacity.
Insurance pricing drivers
Trade class and scope, including high severity operations
Project types and contract values
Claims history and repeat loss patterns
Use of subcontractors and how you manage them
Vehicle and driver profile
Tool and equipment values and storage controls
Safety practices and documentation
Bonding approval drivers
Financial statements and working capital
Net worth and liquidity
Backlog and workload concentration
Project experience at the size tier you are bidding
Project management controls and change order discipline
Credit history and banking support
How to reduce premium without reducing protection
Lower premiums come from fewer losses and stronger underwriting confidence.
Practical controls that matter:
Document toolbox talks and safety training attendance
Maintain equipment and vehicle maintenance logs
Use site security standards for theft prevention
Collect and verify subcontractor certificates before work starts
Standardize contract review for insurance requirements
Report incidents quickly with photos and a clear timeline
Keep your fleet and equipment schedules current
Mistakes that cause coverage gaps and bid failures
Relying on a certificate instead of reviewing the actual policy wording
Buying limits below common owner requirements for your project size
Ignoring completed operations and long tail exposure
Not updating vehicle use, drivers, or radius
Assuming the owner’s builder’s risk covers your responsibilities
Weak subcontractor compliance that fails in a claim
Waiting until bid day to request bonds or certificates
Checklist: tender ready insurance and bonding
Use this checklist before you bid.
Certificate holder details are correct and match tender documents
Limits meet contract requirements including umbrella when needed
Additional insured and waiver of subrogation wording is confirmed
Subcontractor certificate tracking is in place with expiry monitoring
Fleet and equipment schedules are current
Bond program is active with current financials and backlog reporting
WSIB status is confirmed where required
FAQ
Do I need bonding for private jobs in Ontario
Sometimes. Larger private projects often mirror public tender requirements, especially when lenders or sophisticated owners are involved.
Does a bid bond cost money
Often it is part of a surety relationship. Pricing is typically tied to the overall program and the surety’s view of your credit strength.
Does a performance bond replace insurance
No. Bonds and insurance address different risks. Owners often require both.
What is the fastest way to improve bid readiness
Standardize your certificate workflow and keep financial reporting and backlog schedules ready for bonding requests.
How do I avoid being disqualified on certificates
Send the exact certificate holder name and address, the required wording, and the deadline early. Confirm additional insured and waiver requirements before the tender closes.
What limits do Ontario owners usually require
It depends on the project type and value. Many require specific minimum limits and may require umbrella limits for higher value work.
Can trade contractors get bonded
Yes. Many GCs require bonding for critical trades on larger projects. Approval depends on financial strength, experience, and project controls.
Talk to Boardwalk
If you want your program built for tender requirements, we can structure insurance and bonding support around the kind of work you want to win. The goal is fewer surprises, faster onboarding, and a cleaner path to larger contracts.
Request a quote or talk to a specialist.
What we need from you:
Your trade scope and typical project types
Largest contract value you plan to bid in the next 12 months
Current insurance policies and certificate requirements
Vehicle list and driver details if you operate a fleet
Tools and equipment values and storage practices
Five year claims history
Latest financial statements and a current backlog summary for bonding
