Public contracts of the Seine-Maritime département · 2026

Prestations d’expertises techniques et d’assistance à maîtrise d’oeuvre

€520k

contract ceiling — what was paid on it is not published

Signed on 20 January 2026 · running until about January 2030 · 4 yrs

Ongoing20 Jan 2030

Who won it

Adn InformatiqueConseil en systèmes et logiciels informatiques · registered office Mont-Saint-Aignan (76130) · headcount 50 to 99 employees · SIREN 831262407

Main holder, with the largest amount. The contract has 2 holders; the others are not shown here yet.

The competition

4 bids received

Median for this procedure in 2026: 3 bids, across 14739 comparable contracts. Open tender · awarded to 2 companies

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

Number 18 by amount of the 68 contracts the Seine-Maritime département published for 2026.

Contract details (procedure, price, amendments, lots)

Procedure : Appel d'offres ouvert

Price : Unitaire

Published amendments : none

Subcontracting declared : no

Social considerations : Clause sociale

Environmental considerations : Critère environnemental, Clause environnementale

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.