Public contracts of the Vendée département · 2026
Maîtrise d’oeuvre pour la construction d’une Maison Départementale des sports à la Roche sur Yon
That is at most ~€2.7M a year on average: a maximum too.
Who won it
Area Études la RocheIngénierie, études techniques · registered office La Roche-Sur-Yon (85000) · headcount 6 to 9 employees · SIREN 423448877A contract awarded to a consortium of 7 holders; above, the main holder. With it: Pelleau et Associes Architectes, Groupe Gamba, Atelier 360, Bureau d'Études Jamaa Infra (Beji), Ingenierie Diagnostics Études Structures (Ides), Letsbim!. The amount is the whole contract’s: the DECP does not publish each holder’s share.
The competition
Median for this procedure in 2026: 1 bid, across 1931 comparable contracts. Contract awarded without prior advertising or competitive bidding · awarded to 7 companies
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
The largest of the 197 contracts the Vendée département published for 2026.
Contract details (procedure, price, amendments, lots)
Procedure : Marché passé sans publicité ni mise en concurrence préalable
Price : Forfaitaire
Published amendments : 1
Subcontracting declared : no
Environmental considerations : Critère environnemental
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.