Property developers, Builders, Energy

Léon Grosse has been a committed player in the construction industry since 1881. With a century of construction expertise behind it, the Léon Grosse Group is broadening its horizons by adding energy renovation, facades, heritage and real estate to its know-how. By 2024, Léon Grosse should have sales of €890 million.

Organized into 64 branches and subsidiaries, the Léon Grosse Group relies on the professionalism and commitment of its 2,770 employees to offer its public and private-sector customers a multidisciplinary, made-to-measure approach, while cultivating the values of an ethical, human and innovative company. Together, we're changing the present.

Reducing environmental impact
The company wants to rise to the challenge of climate change. This is both a moral obligation and an entrepreneurial challenge. That's why the Group is committed to reducing the environmental impact of its activities.

We invite you to come and meet our teams to discuss our offers in :
- Construction: new, renovation, specialty trades, civil engineering
- Heritage: heritage buildings, historic monuments, exceptional estates
- Energy renovation: renewable energies (biomass heating), engineering & consulting (energy performance, low-carbon)
- Façades (Weclad): architectural, custom prefabricated, bio-sourced wood-frame façades
- Real estate: social VEFA, housing program