Public contracts of Nantes Métropole · 2026

Missions de programmation et d’assistance à maîtrise d’ouvrage pour des opérations de bâtiments ou des opérations mixtes bâtiments/infrastructures relatives à…

€2.1M

contract ceiling — what was paid on it is not published

Signed on 28 January 2026 · running until about January 2028 · 2 yrs

Ongoing29 Jan 2028

Who won it

Co-SIngénierie, études techniques · registered office Paris (75020) · headcount 10 to 19 employees · SIREN 819394149

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

The competition

16 bids received

Median for this procedure in 2026: 3 bids, across 14739 comparable contracts. Open tender · awarded to 2 companies

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

Number 36 by amount of the 243 contracts Nantes Métropole published for 2026.

Other contracts of Co-S in Nantes Métropole

Missions d’assistance à maîtrise d’ouvrage pour la réhabilitation du…202577€k Marché subséquent n°5, Étude de programmation…202418€k

Contract 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.