Public contracts of Nantes Métropole · 2026
Travaux de rénovation du Grand Auditorium, de la Grande Halle et de la Galerie de Liaison à la Cité des Congrès de Nantes
Désamiantage
€146k
maximum contract amount over 22 months — what was paid on it is not published
That is at most ~€80k a year on average: a maximum too.
Who won it
Dauphine Isolation Environnement OuestDépollution et autres services de gestion des déchets · registered office Argenteuil (95100) · headcount 20 to 49 employees · SIREN 807907241The competition
9 bids received
Median for this procedure in 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 1 company
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
Number 180 by amount of the 311 contracts Nantes Métropole published for 2026.
Other contracts of Dauphine Isolation Environnement Ouest in Nantes Métropole
Dopea EAU2023 · maximum over 20 months24€kTravaux de réaménagement et extension du rez de chaussée…2023 · maximum over 2.5 years22€kContract details (procedure, price, amendments, lots)
Procedure : Appel d'offres ouvert
Price : Forfaitaire
Published amendments : none
Subcontracting declared : yes
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.