At Construction Guillaume Mailhot, our passion and professionalism are here to serve your ideas.


CGM service

To make your construction or residential renovation project a reality.


If you plan to build or renovate your main or secondary residence, our team will offer you high-end materials, respecting your tastes and your budget.

Construction Guillaume Mailhot attaches the utmost importance to the achievement of your projects. We make sure to create an inspiring and comfortable living environment.

Construction Guillaume Mailhot guarantees the reliability of its services. We offer practical, high-quality solutions that respect costs and deadlines.

Construction Guillaume Mailhot meticulously respects each step of your project’s realization with great attention to detail. We are working to build your project as you have imagined it.


Material quality




Respects needs


Respects expectations

Need information?

Contact us

or call

(450) 589-4936

13 + 4 =


739, montée de St-Sulpice
L’Assomption, Qc, J5W 2T3

Office hours

Mon.-Thurs.9am to 4pm
Fri. 9am to 12pm


Phone: (450) 589-4936
Fax: (450) 705-3140