A (often referred to as an eClearance search ) is a critical step for businesses and homeowners in Ontario to verify that a contractor or subcontractor is registered with the Workplace Safety and Insurance Board (WSIB) and has an account in good standing .
Clearance certificates are date‑specific . A certificate valid today may not be valid next week. Always request an updated certificate before work begins.
: If you don't have their account number, you can search by: Legal or trade business name CRA business number Business address, city, or postal code Telephone number Why You Need to Search wsib certificate search
While all Ontario employers with insurable workers require a clearance certificate, the WSIB certificate search is most rigorously applied within the construction industry. This sector has historically been plagued by issues related to the "underground economy"—businesses that operate off the books to avoid paying taxes and insurance premiums. This creates an uneven playing field; non-compliant contractors can offer lower bids because they are cutting corners on safety and insurance, undercutting law-abiding businesses.
In summary, the WSIB certificate search is far more than a bureaucratic formality; it is a critical instrument for maintaining the integrity of Ontario’s workplace safety system. It empowers businesses to verify compliance, protects principals from financial liability, and combats the underground economy by leveling the competitive playing field. For any business operating in Ontario, particularly in the construction sector, integrating the certificate search into their procurement process is not just a legal obligation, but a moral imperative that ensures the safety net remains intact for all workers. A (often referred to as an eClearance search
To understand the importance of the search, one must first understand the certificate itself. Known formally as a "Clearance Certificate," this document serves as proof that a business is in good standing with the WSIB. It confirms that an employer has registered for mandatory insurance and is up to date on their premium payments. For the WSIB, this system ensures a steady flow of funds into the insurance pool, which is used to compensate workers injured on the job. For the business, it is a badge of compliance. Without a valid clearance certificate, a business is essentially flagged as non-compliant, opening itself up to significant legal and financial liabilities.
The provides no-fault workplace insurance for most businesses in Ontario. A “WSIB Certificate Search” typically refers to a process—often performed via the WSIB’s online portal or through third‑party verification tools—to confirm whether a business has valid WSIB coverage, a clear clearance certificate, or an insurable status. This paper explains what the search does, who needs it, how to perform it, and common pitfalls to avoid. Always request an updated certificate before work begins
There is no single “certificate” document. Instead, the term refers to two related concepts:
Their account is and they are meeting their safety and legal obligations. How to Conduct a WSIB Certificate Search