Ontario Business Insurance
Ontario business insurance explained with common commercial coverages, WSIB obligations and province-specific requirements that can apply to construction and licensed trades.

Common types of Canadian business insurance
Insurance Bureau of Canada says the right business coverage depends on the business and its risks. Common options include commercial property, business interruption, commercial auto, commercial general liability, crime, directors' and officers' liability, home-business coverage and professional liability or errors and omissions.
Can respond to certain third-party bodily injury or property-damage claims and covered legal defence costs.
Can protect buildings, stock, equipment and other insured physical assets against covered losses.
Can help replace lost business income or continuing expenses after certain insured events cause a shutdown.
Ontario coverage guides
Coverage pages isolate one insurance mechanism at a time so liability, professional risk, cyber, interruption and property protection are not treated as interchangeable.
WSIB coverage is not identical for every Ontario business
WSIB says coverage is not mandatory for every Ontario business. Requirements depend on the industry and worker status. Construction is a major exception: expanded compulsory coverage means many people who own or run construction businesses must register and carry WSIB coverage, even in some cases where there are no employees.
Open the official workplace-insurance source →Private liability insurance and workers' compensation are not the same
A CGL policy is a private commercial insurance product intended for certain liability exposures. WSIB is a workers' compensation system with its own statutory rules, benefits and lawsuit protections. A business can have obligations under the workplace system and still need separate private commercial coverage for other risks.
What can affect a business insurance premium?
Pricing can reflect industry, annual revenue, payroll, location, property values, equipment, claims experience, limits, deductibles, professional activities, vehicles and other risk-management characteristics. That is why Canada Rate Lab builds coverage and profession research rather than publish one generic small-business average.
Ontario profession insurance guides
Licensed trades and service businesses are useful insurance research categories because their operating exposures are much more specific than a generic small-business label.
Frequently asked questions
There is no single business-insurance rule that applies to every company. Requirements can come from workers' compensation law, vehicle law, professional or trade regulation, a lease, financing or a client contract. Private coverage should be separated from those statutory and contractual layers.
The starting point is the actual exposure: third-party liability, professional services, property, tools, vehicles, cyber risk, business interruption and workers. The correct combination depends on what the business does rather than the province name alone.
No. WSIB is the provincial workplace-insurance system. CGL is private commercial insurance for different third-party liability exposures. A business can have workplace-insurance obligations and still need separate private policies.
A defensible cost range needs a defined business profile. Operations, revenue, payroll, workers, locations, property, tools, vehicles, claims history, limits and deductibles can all change the premium, so Canada Rate Lab does not use one generic small-business average.