135 years of business-mindedness
The Léon Grosse Group started out as a family business which was set up over a century ago in the Savoy region in south-east France. Over the years, it made various bold moves to grow into a major Group. Key dates of a heavyweight in the construction industry.
Léon Grosse sets up a small masonry company in Aix-les-Bains (Savoy). The company builds several hotels.
A forward-thinker, Léon Grosse learns about the Hennebique reinforced concrete system. The company branches out into public works.
The Pont de la Balme, the first bridge made from reinforced concrete, is built over the Rhône river, spanning 95 metres
Léon Grosse sets up operations in Paris. The company completes a striking endeavour by building the Salle Pleyel concert hall.
Pavillon du Tourisme for the Exposition Universelle in Paris.
Jean Grosse, Léon’s son, takes over as Chairman of the company.
The company grows on the Department Store construction markets.
Léon Grosse, Jean’s son, takes the reins of the company, with his brother Bruno as Vice-Chairman.
The group expands: new branches in Nice, Grenoble and Saint-Étienne are set up.
A Public Works Department is set up.
The Beteg branch is set up. In 2015, it became Léon Grosse Grands Projets
A branch in La Réunion is set up.
Renovation work is carried out on the Grande Gallery of the Muséum National d’Histoire Naturelle in Paris.
The European Parliament building is built in Strasbourg.
The Group generates turnover in excess of €500m.
First group of students graduate from the Léon Grosse School.
Major projects: Satellite 4 boarding lounge at Charles-de-Gaulle airport and the Jean Bouin Stadium in Paris.
Bertrand Grosse is appointed Chairman of the Board
Tatutu Detention Center of Papeari in French Polynesia
Lionel Christolomme is appointed Chairman of the Board