Public contracts of Nantes Métropole · 2025
Marché subséquent n°4-Diagnostic du bassin de collecte des eaux usées en amont du poste de refoulement Loiry à Vertou
€40k
maximum contract amount over 16.5 years — what was paid on it is not published
That is at most ~€2k a year on average: a maximum too.
Who won it
ArteliaIngénierie, études techniques · registered office Saint-Ouen-Sur-Seine (93400) · headcount 2,000 to 4,999 employees · SIREN 444523526The competition
4 bids received
Median for this procedure in 2025: 3 bids, across 585 comparable contracts. Procedure with negotiation · awarded to 1 company
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
Number 401 by amount of the 512 contracts Nantes Métropole published for 2025.
Other contracts of Artelia in Nantes Métropole
Missions de maîtrise d’œuvre relatives à la réalisation de travaux…2025 · maximum over 5 years600€kDiagnostic du bassin de collecte du poste de refoulement Gréneraie Nord2025 · maximum over 16.5 years72€kMaîtrise d’œuvre pour des opérations de restauration des milieux…2024 · maximum over 4 years700€kContract details (procedure, price, amendments, lots)
Procedure : Procédure avec négociation
Price : Forfaitaire
Published amendments : 1
Subcontracting declared : no
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.