Public contracts of the Seine-Maritime département · 2026

Assistance à Maîtrise d’ouvrage pour des études de diagnostic, programmation et estimation financière

€800k

maximum contract amount over 4 years — what was paid on it is not published

Signed on 6 August 2026 · running until about August 2030 · 4 yrs

Ongoing6 Aug 2030

That is at most ~€200k a year on average: a maximum too.

Who won it

Arp Astrance (Architecture Realisation Programmation-Astrance-Gondwana)Ingénierie, études techniques · registered office Paris (75011) · headcount 50 to 99 employees · SIREN 388212698

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

The competition

15 bids received

Median for this procedure in 2026: 3 bids, across 308 comparable contracts. Procedure with negotiation · awarded to 3 companies

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

Number 10 by amount of the 57 contracts the Seine-Maritime département published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Procédure avec négociation

Price : Unitaire

Published amendments : none

Subcontracting declared : no

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.