Public contracts of Nantes Métropole · 2026

Passation d’un marché subséquent n°42 "Basse Goulaine

Secteur BV Grignon Réhabilitation du réseau d’assainissement des eaux usées"

€1.1M

contract ceiling — what was paid on it is not published

Signed on 8 June 2026 · running until about February 2027 · 8 months

Ongoing7 Feb 2027

Who won it

Sade - Compagnie Générale de Travaux HydrauliquesConstruction de réseaux pour fluides · registered office Paris (75014) · headcount 2 000 to 4 999 employees · SIREN 562077503

Main holder, with the largest amount. The contract has 2 holders; the others are not shown here yet.

The competition

5 bids received

awarded to 2 companies

Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.

Number 63 by amount of the 243 contracts Nantes Métropole published for 2026.

Other contracts of Sade - Compagnie Générale de Travaux Hydrauliques in Nantes Métropole

Travaux de réhabilitation de la zone d’entrée de la station de…20264.3€M Renforcement du réseau d’assainissement entre la rue des Ardillets…20263.8€M Réhabilitation de l’ovoïde pluvial20261.4€M

Contract details (procedure, price, amendments, lots)

Price : Forfaitaire

Published amendments : 2

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.