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Ontario C of Q exam prep for contractors with apprentices in Ontario
The Ontario Certificate of Qualification Exam is the trade exam run by Skilled Trades Ontario. We don't sell prep for it yet. If your staff will sit it, tell us how many and when. We build what firms ask for.
What is the format of the Ontario C of Q exam?
| Questions | 90 to 150 multiple choiceSkilled Trades Ontario exam guide |
|---|---|
| Time | Up to 4 hoursSkilled Trades Ontario exam guide |
| Pass mark | 70%Skilled Trades Ontario exam guide |
| Fee | C$150 plus HSTSkilled Trades Ontario exam guide |
| Retakes | Wait 15 days. A new fee applies each time.Skilled Trades Ontario exam guide |
Facts checked November 9, 2026. These details can change, so check the source before you book. If a detail is missing, we did not find it.
Why would a firm pay for Ontario C of Q exam prep?
Our opinion, with no outside source
Electrical is the obvious first trade, because contractors carry many apprentices. We have not confirmed that with any contractor yet.
Questions firms ask
How many questions are on the Ontario C of Q exam?
90 to 150 multiple choice. Source: Skilled Trades Ontario exam guide.
How long is the Ontario C of Q exam?
Up to 4 hours. Source: Skilled Trades Ontario exam guide.
What is the pass mark for the Ontario C of Q exam?
70%. Source: Skilled Trades Ontario exam guide.
How much does the Ontario C of Q exam cost?
C$150 plus HST. Source: Skilled Trades Ontario exam guide.
Can my firm buy Ontario C of Q exam prep from Prep to Pass today?
Not yet. We build the exams that firms ask for. Tell us how many people will sit it and when.
Is Prep to Pass linked to Skilled Trades Ontario?
No. Prep to Pass is independent and has no link to Skilled Trades Ontario.