Public contracts of Guyancourt · 2026

Installations de chauffage, eau chaude sanitaire, ventilation et climatisation et GTB/GTC

Number 3 by amount of the 10 contracts Guyancourt awarded in 2026.

Contract · Transport and Véhicules · Fournitures courantes et services · carried out in 78280 · environmental clauses

500k €

contract ceiling — what was paid on it is not published

Signed on 6 July 2026 · running until about July 2031 · 5.0 yrs

Ongoing6 Jul 2031

Who won it

Hydro MaintenanceSIREN 907461180

The competition

5 bids received

Open call for tenders · awarded to 3 companies

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

View the consolidated DECP (data.gouv.fr) ↗

The form of the contract

PriceMixte

Published amendmentsnone

Subcontracting declaredno

Environmental considerationsCritère environnemental, Clause environnementale

The 2 lots

Lot 16 July 2026 · 5 bids250k€

Lot 26 July 2026 · 5 bids250k€

All public contracts of Guyancourt

Marchés de plus de 40 000 € HT déclarés à la notification (DECP) : montants des contrats, pas les paiements. Les plus petits marchés ne sont pas publiés ; les montants manifestement erronés sont écartés.

Source: Public procurement — DECP (data.gouv.fr)·Data ↗·Method →