The short answer

Not stated

The pages say a holder of a certificate from another Canadian province or territory must apply using a PDF application form to obtain an Ontario Certificate of Qualification, but they do not state whether an exam or competence assessment is required.

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

Both provinces

Licensed in Newfoundland and LabradorMoving to Ontario
Licence status Voluntary certification Voluntary certification
Regulator Apprenticeship and Trades Certification Division Skilled Trades Ontario
Guide Tilesetter in Newfoundland and Labrador Tilesetter in Ontario

Steps to transfer

  1. Apply using PDF form

    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 guide

    Source
    “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

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