A consulting company that plans, designs and carries out projects, mainly in Québec. We represent clients who build, protect and develop the territory. The things they most appreciate are our ability to remain on budget, meet deadlines and provide follow-up. Our client satisfaction rate is in excess of 94%.


Groupe Conseil CHG is a civil engineering firm that offers professional civil, municipal and structural engineering services. Its clients come from both the public and private sectors. There are no limits on the projects it is able to carry out: it is the client who decides on the scope of the work.
Groupe Conseil CHG’s multi-disciplinary team works both regionally and nationally. It is able to provide all the professional and technical services required at the preliminary, analysis, planning, performance and closure phases of a project.
Groupe Conseil CHG is known for its involvement and achievements in project management. Its values and commitment to the sustainable development of land and business are core elements of its actions.
ISO 9001:2015
Groupe Conseil CHG’s ISO 9001:2015 certification guarantees constant service quality, in line with internationally recognized management and monitoring procedures.

Affiliated companies



Covid-19 (Corona Virus) client information

To all customers and partners,

DDM Groupe and Groupe CHG respect all the measures deployed by our governments to slow the spread of COVID-19 and thus protect the health of all. Of course, the offices are closed, but the staff continue their work with the same rigor and efficiency, only the methods have been adapted. IT infrastructures allow employees to work remotely and offer you the services you are used to.

You can reach our team members by email, phone or videoconference. If you must send us documents by courier, we ask that you contact the designated project manager to plan a delivery agreement.

DDM Groupe and Groupe CHG wish to contribute to the efforts of the public administration in its fight against COVID-19. We thank you in advance for your cooperation and understanding.