Public contracts of the Haute-Savoie département · 2025

Marché global de performance pour la construction d’un nouveau collège et la restructuration du collège existant sur la commune de Groisy

€60.5M

maximum contract amount over 12 years — what was paid on it is not published

Signed on 28 March 2025 · running until about March 2037 · 12 yrs

Ongoing28 Mar 2037

That is at most ~€5M a year on average: a maximum too.

Who won it

Entreprise Générale Leon Grosse (LGGP // LGN)Construction d'autres bâtiments · registered office Aix-Les-Bains (73100) · headcount 1,000 to 1,999 employees · SIREN 745420653

The competition

3 bids received

Median for this procedure in 2025: 3 bids, across 52 comparable contracts. Competitive dialogue · awarded to 1 company

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

The largest of the 223 contracts the Haute-Savoie département published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Dialogue compétitif

Price : Mixte

Published amendments : none

Subcontracting declared : no

Social considerations : Clause sociale, Critère social

Environmental considerations : Critère environnemental, Clause environnementale

Contracts above €40,000 excluding VAT, as declared when they are awarded (DECP): contract amounts, not payments. Smaller contracts are not published; obviously wrong amounts are set aside.