Required certification · Canada
WSIB (Workplace Safety and Insurance Board, Ontario)
Ontario’s mandatory workers’ comp — clearance certificates required in construction
Market position
Ontario’s workers’-compensation authority. In construction, WSIB coverage is mandatory, and a WSIB clearance certificate (valid up to 90 days) is the document a hiring party must obtain before a contractor/subcontractor starts work — without it, the principal can be held liable for unpaid premiums. A core Canadian trades-compliance touchpoint with no US equivalent, and a clearance number doubles as a trust/verification signal.
Canada-specific note
Ontario’s mandatory workers’-comp board; coverage and a valid clearance certificate are legally required in Ontario construction. WorkSafeBC (BC) and WCB Alberta are the equivalent bodies in other provinces.
Pros
- + Mandatory for Ontario construction — unavoidable, high-intent compliance
- + Clearance certificate is a verifiable trust signal hiring parties check
- + Clear regulatory pathway with a public-facing system
- + Anchors a province-by-province workers’-comp content cluster
Cons
- − Ontario-only — other provinces run separate boards
- − Premiums + reporting are an ongoing cost/admin burden
- − Clearance certificates expire (~90 days) and must be re-pulled per contract
- − Classification disputes can be complex
Typical Canada pricing
Premiums set by classification/payroll (not a flat fee); clearance certificates issued free to registered businesses
Why this matters for Canada trades
Trade certification is provincial (with the interprovincial Red Seal endorsement), and payroll/accounting software must handle CRA source deductions, GST/HST/PST, and — for Quebec — French-language and Revenu Québec requirements.
Canadian trades vendor selection is shaped by provincial trade certification (often Red Seal), CRA payroll remittances, GST/HST/PST handling, and bilingual (English/French) requirements in some provinces.
Frequently asked
Is WSIB (Workplace Safety and Insurance Board, Ontario) a good fit for Canada trades?
Ontario’s workers’-compensation authority. In construction, WSIB coverage is mandatory, and a WSIB clearance certificate (valid up to 90 days) is the document a hiring party must obtain before a contractor/subcontractor starts work — without it, the principal can be held liable for unpaid premiums. A core Canadian trades-compliance touchpoint with no US equivalent, and a clearance number doubles as a trust/verification signal. Ontario’s mandatory workers’-comp board; coverage and a valid clearance certificate are legally required in Ontario construction. WorkSafeBC (BC) and WCB Alberta are the equivalent bodies in other provinces.
What does WSIB (Workplace Safety and Insurance Board, Ontario) cost in Canada?
Premiums set by classification/payroll (not a flat fee); clearance certificates issued free to registered businesses. Pricing and availability can change by region — confirm current Canada pricing on the vendor's site before committing.
Is WSIB (Workplace Safety and Insurance Board, Ontario) recommended?
Yes — it is a Tier S (Recommended) pick in our Canada directory for required certification, based on market fit and reputation. Still compare it against the alternatives for your specific trade and region.
Other Canada vendors
Red Seal Program
Required certification
HRAI (Heating, Refrigeration and Air Conditioning Institute)
Required certification
TSSA (Technical Standards and Safety Authority)
Required certification
ESA / ECRA (Electrical Safety Authority — Ontario)
Required certification
Skilled Trades Ontario
Required certification
Jobber (Canadian-founded)
Field service software