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Due to system maintenance, the Skilled Trades Ontario Portal and the Public Register will be unavailable from 7:00 p.m. to 11:00 p.m. on October 16th, 2025. We apologize for any inconvenience.
If you live in Northern Ontario, you can now take your certification exam closer to home. For more information about exam registration, please contact our Client Services centre at: 647-847-3000 or toll-free (Ontario only) at 1-855-299-0028, 7 a.m. – 7 p.m. Monday to Friday.
For Group Sponsors, please reach out to your assigned Group Account Coordinator directly.
Skilled Trades Ontario issues Certificates of Qualification in trades with certifying exams.
A Certificate of Qualification is an official document that proves that a person is qualified to work in a particular skilled trade in Ontario. To obtain a Certificate of Qualification, individuals are required to have passed their certification exam and have met all requirements to practice their trade in Ontario.
In compulsory trades, a Certificate of Qualification is needed to work legally in Ontario and needs to be renewed at regular intervals.
In non-compulsory trades, a Certificate of Qualification does not need to be renewed.
In all trades, a Certificate of Qualification can help in obtaining employment or marketing your skills to potential clients.
Confirm your eligibility to take a certifying exam to obtain a Certificate of Qualification.
