Public contracts of the Mayenne département · 2026
Marché public global de performances restructuration et exploitation de l’usine de valorisation énergétique de pontmain
Who won it
Aia ArchitectesActivités d'architecture · registered office Nantes (44100) · headcount 200 to 249 employees · SIREN 316173160Main holder, with the largest amount. The contract has 3 holders; the others are not shown here yet.
The competition
Median for this procedure in 2026: 3 bids, across 14739 comparable contracts. Open tender · awarded to 3 companies
Open data publishes the winner and the bid count — never the identity of unsuccessful bidders.
The largest of the 209 contracts the Mayenne département published for 2026.
Contract details (procedure, price, amendments, lots)
Procedure : Appel d'offres ouvert
Price : Mixte
Published amendments : 51
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.