Public contracts of the Essonne département · 2026
002 MS2 Étude d’opportunité phase 2 du projet diffuseur A6-Chillly Mazarin/Longjumeau/Wissous
That is at most ~€128k a year on average: a maximum too.
Who won it
CdviaIngénierie, études techniques · registered office Maisons-Alfort (94700) · headcount 50 to 99 employees · SIREN 415303593A contract awarded to a consortium of 2 holders; above, the main holder. With it: Ingerop Conseil et Ingenierie (Ici). The amount is the whole contract’s: the DECP does not publish each holder’s share.
The competition
Median for this procedure in 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 2 companies
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
Number 56 by amount of the 88 contracts the Essonne département published for 2026.
Other contracts of Cdvia in Essonne
002 MS2 Mission d’étude de mobilités sur le réseau routier départemental2025 · maximum over 12 months300€k22 2583 1 03 001 Aménagement multimodal de la RN20 de Linas à…2023 · maximum over 3 years569€k22 2583 1 02 002 Réalisation des études d accessibilité aux sites…2023 · maximum over 3 years300€kContract details (procedure, price, amendments, lots)
Procedure : Appel d'offres ouvert
Framework agreement : yes: orders follow, the amount is a ceiling
Price : Unitaire
Published amendments : none
Subcontracting declared : yes
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.