GMAXX
In 2025, GMAXX signed €722k of contracts with the City of Paris (maximum amounts), mostly in public facility maintenance works.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Gmaxx
registered office in Villejust (91140) · headcount 20 to 49 employees · founded in 2016 · SIREN 818615908 · view on annuaire-entreprises.data.gouv.fr ↗
€722k
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Works to convert the Excitant kiosk into a citizen kiosksigned on 2 Oct 2025€530kCreation of an educational farm on the flat roof of the Flora Tristan secondary schoolsigned on 20 Dec 2024€250kModernisation of courtyard toilets and renovation of an access staircasesigned on 30 Apr 2025€192kReplacement of the accessible lift at the sports centre, 34 rue Maryse-Hilszsigned on 30 Dec 2024€147kYear by year
2025€722 k2 contracts
2024€397 k2 contracts
What for
Each category opens the page of every supplier in that category.
Maximum contract amounts: what the City paid the company, contract by contract, is not published. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.