Founded in 1861, DEMATHIEU BARD is one of France’s leading independent construction and real estate groups. Operating in France, Luxembourg, Switzerland and North America, the Group leverages its expertise to deliver complex, high-impact projects that sustainably shape communities and territories.

The Group’s long-standing core business, Infrastructure and Civil Engineering, draws on 165 years of expertise in the design and construction of highly technical structures. In an environment marked by increasing constraints, it combines technical expertise, innovation, and risk management to meet its clients’ most demanding challenges.

Thanks to its teams’ strong regional presence, DEMATHIEU BARD GENIE CIVIL supports major regional transformations. In particular, the company contributes to the development of mobility infrastructure that meets the needs of local populations and helps create more sustainable cities.

This expertise has made DEMATHIEU BARD GENIE CIVIL a leading player in underground construction today. The teams are involved in major projects such as the extension of the Lyon metro, the extension of Line 11 of the Paris metro, several sections of the Grand Paris Express (Lines 15 and 17), and the future Line C of the Toulouse metro, serving as the lead contractor for the consortium responsible for Lot 3.

In North America, the Group works on strategic infrastructure projects, including the Île-aux-Tourtes bridge contract in Canada, one of the main gateways into Montreal, and the Don Valley Crossing project, part of the future Ontario Line of the Toronto subway.