At a glance

Licence status
Voluntary certification See the source
Annual fees
Not stated by the regulator Check with Skilled Trades Ontario

Your roadmap

Trained in Canada

  • 5 steps without a listed fee
  1. You register a training agreement to become an apprentice in the trade.

    Source
    “I would like to register as an apprentice”
    skilledtradesontario.ca/contact-us
  2. You complete the on-the-job training hours set out in the Apprenticeship Training Standard, with your sponsor signing off on skills as you learn them.

    Source
    “As these essential skills are developed, the apprentice’s sponsor or trainer signs the relevant sections of the training standard to indicate that the apprentice has met the individual training objectives by demonstrating the skills required of a skilled worker, or journeyperson, in the trade.”
    skilledtradesontario.ca/trade-information/welder
  3. You complete three levels of in-school theoretical training, which may be delivered in block release, day release, part-time or alternative formats.

    Source
    “A Welder apprenticeship includes three levels of theoretical training, which includes but is not limited to instruction in:”
    skilledtradesontario.ca/trade-information/welder
  4. You pass the certifying exam for the trade.

    Source
    “This trade has a certifying exam. When the certifying exam is passed, Skilled Trades Ontario will issue a Certificate of Qualification in this trade.”
    skilledtradesontario.ca/trade-information/welder
  5. Skilled Trades Ontario issues a Certificate of Apprenticeship upon completion of the apprenticeship program and a Certificate of Qualification when the certifying exam is passed.

    Source
    “Upon completion of an apprenticeship program, Skilled Trades Ontario issues a Certificate of Apprenticeship.”
    skilledtradesontario.ca/trade-information/welder

Listed fees for this route

No one-time fees listed by the regulator for these steps Check with Skilled Trades Ontario

5 steps without a listed fee, so the total may not be the full cost.

Licensed in another province

  • 3 steps without a listed fee
  1. You find a sponsor for your apprenticeship in Ontario.

    Source
    “1. Find a sponsor in Ontario.”
    skilledtradesontario.ca/apprenticeship/current-apprentices
  2. You apply for an apprenticeship program in Ontario and check off the section of the form indicating you have completed training in another province.

    Source
    “On your application you will need to check off the section of the form that you have completed training in another province.”
    skilledtradesontario.ca/apprenticeship/current-apprentices
  3. Skilled Trades Ontario contacts you to verify your out-of-province training after you have submitted your application.

    Source
    “Skilled Trades Ontario will contact you to verify your out-of-province training after you have submitted your application.”
    skilledtradesontario.ca/apprenticeship/current-apprentices

Listed fees for this route

No one-time fees listed by the regulator for these steps Check with Skilled Trades Ontario

3 steps without a listed fee, so the total may not be the full cost.

Trained outside Canada

  • 5 steps without a listed fee
  1. You review the Trade Qualifier Guide carefully to ensure that you meet the skills and experience requirements.

    Source
    “Review the Trade Qualifier Guide carefully to ensure that you meet the skills and experience requirements.”
    skilledtradesontario.ca/skilled-trades-ontario-portal
  2. You collect all supporting documentation before applying, because applying without all documents will cause a delay.

    Source
    “Collect all supporting documentation before applying. If you apply without attaching all supporting documents, it will cause a delay and you will be required to submit the documents before the assessment can begin.”
    skilledtradesontario.ca/skilled-trades-ontario-portal
  3. You create a My Ontario account, select Individual, create a new application, select Trade Equivalency Assessment and follow the steps to submit your application.

    Source
    “Create a My Ontario account to access the Skilled Trades Ontario Portal. Then, when prompted, select Individual, create a New application and select Trade Equivalency Assessment and follow the steps to submit your application.”
    skilledtradesontario.ca/skilled-trades-ontario-portal
  4. If the Trade Equivalency Assessment determines you are eligible, you can challenge the certifying exam for the trade.

    Source
    “The Trade Equivalency Assessment determines whether you can challenge the certifying exam for a trade.”
    skilledtradesontario.ca/resource-hub/research/trade-reports/trade-r...
  5. If you are successful in the exam, you pay a fee to be issued a Certificate of Qualification in that trade.

    Source
    “If successful in the exam, you would pay a fee to be issued a Certificate of Qualification in that trade.”
    skilledtradesontario.ca/resource-hub/research/trade-reports/trade-r...

Listed fees for this route

No one-time fees listed by the regulator for these steps Check with Skilled Trades Ontario

5 steps without a listed fee, so the total may not be the full cost.

Requirements

Experience

  • Trade Qualifiers must have equivalent skills and years of experience in a trade and must not already be certified in the trade or have completed an Ontario apprenticeship.

    Source
    “A Trade Equivalency Assessment is the first step for Trade Qualifiers who do not have a recognized trade qualification, but who have equivalent skills and years of experience in a trade.”
    skilledtradesontario.ca/skilled-trades-ontario-portal

Other

  • Applicants who do not meet the prescribed Academic Entry Requirements may register through the Experienced Apprenticeship Pathway if they are at least 21 years old or have not received formal education for at least three years.

    Source
    “To be considered for EAP, the applicant must: 1. be at least at least 21 years old, or 2. have not received formal education for a period of at least three years.”
    skilledtradesontario.ca/resource-hub/research/trade-reports/trade-r...

Already licensed in another province?

Not stated

The pages say holders of a certificate, licence or credential from another Canadian province or territory can apply for an Ontario Certificate of Qualification through the Canadian certificate holder application, but they do not state whether the entry-to-practice exam or a competence assessment is waived.

Source
“If you have a certificate, license or credential from another Canadian province or territory and would like to obtain an Ontario Certificate of Qualification, please note that the Canadian certificate holder application is currently not available through the Skilled Trades Ontario Portal.”
skilledtradesontario.ca/skilled-trades-ontario-portal

  1. Apply as a Canadian certificate holder

    Source
    “If you have a certificate, license or credential from another Canadian province or territory and would like to obtain an Ontario Certificate of Qualification, please note that the Canadian certificate holder application is currently not available through the Skilled Trades Ontario Portal. You must use the PDF application form and email or mail your application to Skilled Trades Ontario.”
    skilledtradesontario.ca/skilled-trades-ontario-portal
  2. Follow the application instructions

    Source
    “1. Review the Canadian Certificate Holder Guide and Form and follow the application instructions.”
    skilledtradesontario.ca/skilled-trades-ontario-portal

Processing time: Not stated by the regulator Check with Skilled Trades Ontario

Check a move between two provinces

Credential assessment

Not stated by the regulator Check with Skilled Trades Ontario

Exams

Language tests

Not stated by the regulator Check with Skilled Trades Ontario

Compare scores across provinces and professions

Canadian experience

Not stated by the regulator Check with Skilled Trades Ontario

Supervised practice

Not stated by the regulator Check with Skilled Trades Ontario

Demand and pay

Job Bank wages and outlook in Ontario and Canada
WhereLowMedianHighOutlook
Ontario $21.00 $28.00 $41.28 Very limited (1 of 5)
Canada $22.00 $30.00 $47.00 —

Wages by region and job outlook in Ontario

Wages in every province and territory

Welders in other provinces and territories

Compare welder licensing across Canada

Sources checked

  1. Welder - Skilled Trades Ontario skilledtradesontario.ca/trade-information/welder · fetched October 10, 2026
  2. Contact us - Skilled Trades Ontario skilledtradesontario.ca/contact-us · fetched October 10, 2026
  3. Current apprentices - Skilled Trades Ontario skilledtradesontario.ca/apprenticeship/current-apprentices · fetched October 10, 2026
  4. Skilled Trades Ontario Portal - Skilled Trades Ontario skilledtradesontario.ca/skilled-trades-ontario-portal · fetched October 10, 2026
  5. Trade reports FAQ - Skilled Trades Ontario skilledtradesontario.ca/resource-hub/research/trade-reports/trade-r... · fetched October 10, 2026

Frequently asked questions

2

Do you need a licence to work as a welder in Ontario?

No. Certification is available, but it is not required to work in the trade in Ontario. Certification is managed by Skilled Trades Ontario.

Which exams are required?

certifying exam, Ontario Welder Practical Examination, in-school exemption test.

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