Company · Construction and civil engineering
Léon Grosse
Independent, family-owned construction group founded in 1881 in Aix-les-Bains, in Savoie. It delivers buildings, civil engineering works and renovations in France and across Europe. The group has around 2,800 employees and was aiming for more than 950 million euros in revenue in 2025. In 2026, it acquired the Spanish fit-out company Grupo IC, based in Seville.
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