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Groupe Léon Grosse is a major French family-owned construction and real estate development group, founded in 1881 in Aix-les-Bains. With a rich history spanning over 140 years, the company has established itself as a key player in the French construction industry. It undertakes a wide range of projects, including new builds, renovations, and complex structures across various sectors such as residential, commercial, industrial, healthcare, education, and public infrastructure. Groupe Léon Grosse is known for its technical expertise, commitment to innovation, sustainable development practices, and building long-term relationships with its clients and partners. The group emphasizes quality, safety, and environmental responsibility in all its operations.
Serves as the primary corporate office, overseeing strategic direction, financial management, human resources, and national operations support for all construction and real estate activities.
Modern office complex designed to reflect the company's construction expertise and commitment to a quality work environment. Likely incorporates sustainable building features.
A blend of traditional family business values with modern corporate practices, emphasizing expertise, collaboration, employee well-being, and a commitment to delivering high-quality construction projects.
The headquarters in Albertville, close to its historical roots in Aix-les-Bains, signifies the company's long-standing presence and commitment to the Auvergne-Rhône-Alpes region while managing its national footprint.
Groupe Léon Grosse is primarily focused on the French market, with an extensive network of agencies across France. While its core operations are domestic, it has undertaken projects in neighboring European countries, such as Luxembourg and Switzerland, often for specific large-scale or specialized construction needs. Their international activities are typically project-based rather than maintaining permanent large-scale operations abroad, leveraging their expertise where required.
70 Allée des Érables, ZAC de Champfeuillet Est
Albertville
Savoie
France
Address: 165 Boulevard Malesherbes, 75017 Paris, France
Serves as a major operational hub for the densely populated and economically vibrant Paris region, facilitating close collaboration with major clients and partners.
Address: Parc des Pivolles – Bâtiment C, 9 Chemin des Pivolles, 69150 Décines-Charpieu, France
Supports the group's strong presence in Southeastern France, a dynamic economic area with continuous demand for new construction and renovation.
Address: Europarc de Pichaury - Bât D5, 1330 Rue Jean René Guillibert Gauthier de la Lauzière, 13290 Aix-en-Provence (serving Marseille area)
Strengthens the company's reach in Southern France, catering to diverse construction needs in a key coastal and economic region.
Address: Parc TERTIAIRE DE MAGUDAS, 10 Avenue de Magudas, 33185 Le Haillan (serving Bordeaux area)
Expands the group's capabilities in a growing economic zone with significant urban development and infrastructure projects.
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As of April 2025, Léon Grosse' leadership includes:
Léon Grosse has been backed by several prominent investors over the years, including:
No major publicly announced executive hires or departures at the very top level (CEO, Deputy CEO) have been prominently featured in the news for Groupe Léon Grosse in the immediate past 12 months. The leadership team appears relatively stable. Minor changes or appointments at director levels below the main board might occur without widespread public announcement.
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Groupe Léon Grosse commonly uses the first initial followed by the last name, or firstname.lastname, for its email addresses. Variations might exist for common names or specific departments.
f[last]@groupe-leon-grosse.com or [first].[last]@groupe-leon-grosse.com
Format
lchristolomme@groupe-leon-grosse.com or lionel.christolomme@groupe-leon-grosse.com
Example
80%
Success rate
Business Immo • March 26, 2024
Groupe Léon Grosse announced a 10% increase in its turnover for 2023, reaching €968 million. The company attributes this growth to strong performance in both public and private sector projects and its commitment to innovation and sustainable development....more
Construction Cayola • June 29, 2023
Groupe Léon Grosse has defined its 'raison d'être' (purpose) focused on building a sustainable future. This involves undertaking useful projects, fostering local development, limiting environmental impact, and promoting employee fulfillment....more
Le Moniteur • January 25, 2023
Groupe Léon Grosse announced the acquisition of Kyotec, a specialist in the design and implementation of high-end architectural facades. This strategic acquisition aims to enhance the group's capabilities in a key construction segment....more
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