Public contracts of Métropole de Lyon · 2026

Assistance à maîtrise d’ouvrage pour les travaux de rénovation de la filière biologique de la station de traitement des eaux usées de Saint Fons

€926k

maximum contract amount over 6.5 years — what was paid on it is not published

Signed on 3 August 2026 · running until about December 2032 · 6.5 yrs

Ongoing2 Dec 2032

That is at most ~€146k a year on average: a maximum too.

Who won it

ArteliaIngénierie, études techniques · registered office Saint-Ouen-Sur-Seine (93400) · headcount 2,000 to 4,999 employees · SIREN 444523526

A contract awarded to a consortium of 2 holders; above, the main holder. With it: Selas Laetitia Parisi. 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 2026: 3 bids, across 8946 comparable contracts. Open tender · awarded to 2 companies

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

Number 38 by amount of the 147 contracts Métropole de Lyon published for 2026.

Other contracts of Artelia in Métropole de Lyon

Missions de Maîtrise d’oeuvre pour des travaux de voirie…2026 · maximum over 4 years12€M Prestations d’études et d’Assistance à Maîtrise d’Ouvrage en lien…2022 · maximum over 4 years4€M Vaulx en velin2020 · maximum over 2 years150€k

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Mixte

Published amendments : 1

Subcontracting declared : yes

Social considerations : Clause sociale

Environmental considerations : Critère environnemental, Clause environnementale

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.