Mandatory coverage in the construction industry

Most businesses in Ontario are covered by the WSIB. Under current legislation, independent operators, sole proprietors, some partners in a partnership and some executive officers who work in construction are required to have WSIB coverage.

Your premiums

Our insurable earnings and premium estimator for the construction industry is a tool for businesses and independent operators to estimate and calculate your insurable earnings and premiums based on the information that you provide.

See specific information for:

Reporting and paying premiums is a two-step process. Report your premiums and pay online.

Administrative Practice Documents

Our Administrative Practice Documents (known as APDs ) provide important information to help you better understand mandatory coverage in the construction industry and meet your obligations.


The following policies guide the implementation of mandatory coverage in construction: