Public contracts of Communauté d'agglomération Pornic Agglo Pays de Retz · 2025

Travaux d’adaptation STEP Pornic

€15.2M

maximum contract amount over 20 months — what was paid on it is not published

Signed on 29 September 2025 · running until about May 2027 · 20 months

Ongoing31 May 2027

That is at most ~€9.1M a year on average: a maximum too.

Company selected

OtvIngénierie, études techniques · registered office Saint-Maurice (94410) · headcount 500 to 999 employees · SIREN 433998473

A contract awarded to a consortium of 3 holders; above, the main holder. With it: Eiffage Construction Environnement Grand Ouest, Loire Travaux Publics Environnement (LTP Environnement). The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

2 bids received

Median for this procedure in 2025: 3 bids, across 18474 comparable contracts. Open tender · awarded to 3 companies

Open data gives the contract holder and the number of bids. The identity of unsuccessful bidders is not published.

The largest of the 29 contracts Communauté d'agglomération Pornic Agglo Pays de Retz published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Forfaitaire

Published amendments : 10

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.