Public contracts of the Vendée département · 2026

Maîtrise d’OEuvre pour la rénovation complète du bât A : Externat et cuisine et de 3 logements du collège Olivier Messiaen de Mortagne sur sèvre

€582k

maximum contract amount over 3.5 years — what was paid on it is not published

Signed on 21 August 2026 · running until about March 2030 · 3.5 yrs

Ongoing22 Mar 2030

That is at most ~€162k a year on average: a maximum too.

Company selected

Groupe DÉtudes Fluides IngénierieIngénierie, études techniques · registered office La Chapelle-Sur-Erdre (44240) · headcount 10 to 19 employees · SIREN 323657510

A contract awarded to a consortium of 7 holders; above, the main holder. With it: ECB Économie & Coordination en Bâtiments, Arest, Gantha, Kypseli, Ecodiage, Agence AA. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

48 bids received

Median for this procedure in 2026: 3 bids, across 448 comparable contracts. Procedure with negotiation · awarded to 7 companies

Open data gives the contract holder and the number of bids. The identity of unsuccessful bidders is not published.

Number 46 by amount of the 240 contracts the Vendée département published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Forfaitaire

Published amendments : 2

Subcontracting declared : no

Environmental considerations : 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.