GS4
In 2025, GS4 signed €71k of contracts with the City of Marseille (maximum amounts), mostly in informatique & télécom.
Source: the City's contract file (2020) and the DECP, data.gouv.fr, data as of 29 September 2026.
Fabrication d'équipements de communication
registered office in Paris (75012) · headcount 6 to 9 employees · SIREN 342221736 · view on annuaire-entreprises.data.gouv.fr ↗
€71k
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Fourniture et d’installation des solutions sécurisées…signed on 21 Feb 2025€71kSubscription to the secure MPLS IP network and maintenance of RAMSES Police connections, museumssigned on 2 Jul 2020€40kYear by year
2025€71 k1 contract
2020€40 k1 contract
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 Marseille, DECP.