Public contracts of Nantes Métropole · 2026
Surveillance et de gardiennage des sites de la Direction des Déchets
€999k
maximum contract amount over 4 years — what was paid on it is not published
That is at most ~€250k a year on average: a maximum too.
Who won it
Challancin Prévention et SécuritéActivités de sécurité privée · registered office Saint-Denis (93200) · headcount 2,000 to 4,999 employees · SIREN 341152395The competition
5 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 52 by amount of the 311 contracts Nantes Métropole published for 2026.
Other contracts of Challancin Prévention et Sécurité in Nantes Métropole
Exécution de prestations de surveillance, de gardiennage…2026 · maximum over 4 years1.2€MSurveillance et de gardiennage des sites de collecte de la Direction…2025 · maximum over 15 months136€kMarché subséquent n° 4 visé par l’accord-cadre n° 2023-868702024 · maximum over 5 years411€kContract details (procedure, price, amendments, lots)
Procedure : Appel d'offres ouvert
Price : Mixte
Published amendments : none
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.