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Public contracts of Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart · 2026

Construction d’un équipement multiculturel à grigny

Gros-oeuvre – charpente

€5.8M
maximum contract amount over 20 months — what was paid on it is not published
Signed on 3 July 2026 · running until about March 2028 · 20 months
Ongoing3 Mar 2028

That is at most ~€3.5M a year on average: a maximum too.

Who won it

Ertcm IndustriesFabrication de structures métalliques et de parties de structures · registered office Epinac (71360) · headcount 20 to 49 employees · SIREN 403439011

A contract awarded to a consortium of 2 holders; above, the main holder. With it: Entreprise Donato. 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 2026: 3 bids, across 308 comparable contracts. Procedure with negotiation · awarded to 2 companies

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

Number 5 by amount of the 71 contracts Communauté d'agglomération Grand Paris Sud Seine Essonne Sénart published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Forfaitaire

Published amendments : none

Social considerations : Clause sociale

Environmental considerations : Clause environnementale, 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.