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Searching for a contractor or a licence number: consult the Licence holders' repertory.

Visit our COVID-19 [Fr] page to learn about the measures we have taken, such as postponing examinations. It is only available in French, but if you have any questions, please call us at 1-800-361-0761 and leave a message.

We must now focus on our essential services, so there could be additional delays. We keep processing urgent requests and will show tolerance of issues related to file update. Thank you for your understanding.

According to our language policy​​​​​​​, only certain contents may be translated. Visit the French version to obtain all the information.

Determining the required licence

Keyword Index

This index was made so you can easily search for subclasses thanks to keywords (these words may refer to type of work, materials, buildings, installations, equipment, etc.).

Please refer to the subclass listed and read it carefully before making a decision. The subclass you find may not be right for your needs. Please note that some work require 2 subclasses to be carried out legally. No suggestion may be right for the work you intend to carry out, or your work might not need a licence to be performed.

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