Public contracts of Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart · 2025

Mission etudes investigation geotech/pollution rive gauche

€2.8M

framework agreement: a maximum envelope for orders over 4 years, not spending — what was paid on it is not published

Signed on 19 December 2025 · running until about December 2029 · 4 yrs

Ongoing19 Dec 2029

That is at most ~€700k a year on average: a maximum too.

Company selected

SagaIngénierie, études techniques · registered office Grigny (91350) · headcount 20 to 49 employees · SIREN 453887176

A contract awarded to a consortium of 3 holders; above, the main holder. With it: Sol Sondages, Solpol. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

14 bids received

Median for this procedure in 2025: 3 bids, across 17964 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.

Number 18 by amount of the 117 contracts Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart published for 2025.

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 : 1

Subcontracting declared : yes

Environmental considerations : Critère environnemental

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.