Commercial and institutional service

Chez Construction Guillaume Mailhot, takes into account the scale and impact of your construction or renovation projects.


CGM service

To reach perfection in your commercial and institutional construction projects


Whether it is a business, restaurant, school or any other building, trust our team with your project. 

Construction Guillaume Mailhot offers a personalized service to each of its customers. We make sure to stay flexible, respecting deadlines, technical requirements and budgets.

Construction Guillaume Mailhot  operates according to your occupancy or operation constraints.

The recognized expertise of Construction Guillaume Mailhot team guarantees a clear understanding of architectural, mechanical and electrical systems.



Personalized service




Operation quality


Execution quality

Need information?

Contact us

or call

(450) 589-4936

5 + 11 =


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