Public contracts of the Grand Est region · 2025

Étude de caracterisation des masses d’eau, des possibilites de retention, transfert et stockage

€430k

maximum contract amount over 2 years — what was paid on it is not published

Signed on 2 June 2025 · running until about June 2027 · 2 yrs

Ongoing3 Jun 2027

That is at most ~€215k a year on average: a maximum too.

Who won it

Calligee, Sciences et Techniques Geologiques (Calligee Sciences et Techniques Geologiques)Activités spécialisées, scientifiques et techniques diverses · registered office Nantes (44300) · headcount 20 to 49 employees · SIREN 381052471

A contract awarded to a consortium of 3 holders; above, the main holder. With it: Acteon SARL, Rives & Eaux du Sud-Ouest. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

8 bids received

Median for this procedure in 2025: 3 bids, across 17964 comparable contracts. Open tender · awarded to 3 companies

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

Number 99 by amount of the 513 contracts the Grand Est region published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Forfaitaire

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.