What Does Léon Grosse Do?

Total employees1435
HeadquartersAlbertville
Founded1881

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.

Where Is Léon Grosse's Headquarters?

HQ Function

Serves as the primary corporate office, overseeing strategic direction, financial management, human resources, and national operations support for all construction and real estate activities.

Notable Features:

Modern office complex designed to reflect the company's construction expertise and commitment to a quality work environment. Likely incorporates sustainable building features.

Work Culture:

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.

HQ Significance:

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.

Values Reflected in HQ: The headquarters likely embodies precision, durability, innovation, and sustainability, reflecting the core values of a leading construction group.

Location:

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.

Street Address:

70 Allée des Érables, ZAC de Champfeuillet Est

City:

Albertville

State/Province:

Savoie

Country:

France

Where Else Does Léon Grosse Operate Around the World?

Paris, Île-de-France, 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.

Décines-Charpieu (Lyon Metropolis), Auvergne-Rhône-Alpes, France

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.

Marseille, Provence-Alpes-Côte d'Azur, France

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.

Bordeaux, Nouvelle-Aquitaine, France

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.

Buying Intent Signals for Léon Grosse

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Who's Leading Léon Grosse? Meet the Executive Team

As of April 2025, Léon Grosse' leadership includes:

Lionel Christolomme - Président du Directoire (Chairman of the Management Board & CEO)
Jérôme Gacoin - Directeur Général Délégué (Deputy CEO)
Benoît Lemaignan - Secrétaire Général (General Secretary)
Pierre Mathy - Directeur Général Adjoint en charge des Ressources Humaines et de la RSE (Deputy CEO, Human Resources & CSR)
Christophe Bich - Directeur Général Adjoint en charge des Opérations (Deputy CEO, Operations)

Who's Investing in Léon Grosse?

Léon Grosse has been backed by several prominent investors over the years, including:

The company is primarily family-owned and not publicly listed. Control remains largely within the founding family and related private stakeholders.

What Leadership Changes Has Léon Grosse Seen Recently?

Hire0
Exits0

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.

What Technology (Tech Stack) Is Used byLéon Grosse?

Discover the tools Léon Grosse uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Léon Grosse Email Formats and Examples

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

What's the Latest News About Léon Grosse?

Business ImmoMarch 26, 2024

Léon Grosse reports 2023 turnover up 10%

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 CayolaJune 29, 2023

Léon Grosse: A 'raison d'être' to build the future sustainably

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 MoniteurJanuary 25, 2023

Léon Grosse acquires Kyotec to strengthen its façade expertise

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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