Public contracts of Chantilly · 2025 · Professional services

Maîtrise d’œuvre pour la rénovation de la salle Bouteiller

€370k

maximum contract amount over 2.5 years — what was paid on it is not published

Signed on 10 June 2025 · running until about October 2027 · 2.5 yrs

Ongoing10 Oct 2027

That is at most ~€158k a year on average: a maximum too.

Who won it

AltiaIngénierie, études techniques · registered office Paris (75002) · headcount 6 to 9 employees · SIREN 409616810

A contract awarded to a consortium of 7 holders; above, the main holder. With it: Becquart - Economistes et Ingenieurs Associes, Kairn, Bosco, Acme Paysage, Agence Clair-Obscur. The amount is the whole contract’s: the DECP does not publish each holder’s share.

The competition

3 bids received

Median for this procedure in 2025: 3 bids, across 48929 comparable contracts. Simplified procedure · awarded to 7 companies

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

Number 9 by amount of the 24 contracts Chantilly published for 2025.

Contract details (procedure, price, amendments, lots)

Procedure : Adapted procedure: the lighter procedure allowed under the EU thresholds

Price : Forfaitaire

Published amendments : none

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.