Ontario
Authority: Skilled Trades Ontario · Phone: 1-855-299-0028
144 trades are prescribed under BOSTA; 23 are compulsory and 33 carry an apprentice-to-journeyperson ratio. Working at Heights training from a Chief Prevention Officer–approved provider is legally required on construction projects. Enforcement is real: compliance orders and administrative monetary penalties.
Compulsory certification
Section titled “Compulsory certification”23 trades are compulsory here. Ontario’s list is a schedule in O. Reg. 876/21 and is parsed straight from the statute — see the dedicated Ontario page for all 144 prescribed trades with compulsory, certifying-exam and ratio flags.
Source: https://www.ontario.ca/laws/regulation/210876
Where to start
Section titled “Where to start”- Start an apprenticeship: https://www.ontario.ca/page/apprenticeship-ontario
- Funding and grants: https://www.ontario.ca/page/financial-supports-apprentices-and-sponsors
- Compulsory trades: https://www.ontario.ca/page/compulsory-trades-and-enforcement
Everywhere else
Section titled “Everywhere else”- How apprenticeship works — the mechanics that apply across Canada
- All 13 authorities — for comparison, and if you might move
- Funding programs — federal money applies wherever you are
- All 144 Ontario prescribed trades — parsed from the regulation