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Évolution et maintenance du système informatique IWS.

Contract 2025S005580000 · notified in 2025

In 2025, the City of Paris awarded contract 2025S005580000, "Upgrade and maintenance of the IWS information system." (services, prestation d'intégration et de maintenance du paramétrage), to Isilog for a maximum of €6M.

Source: DECP via opendata.paris.fr, data as of 28 September 2026.

Isilog upgrades and maintains the IWS information system used by City departments.

Original label (DECP) : « DSIN -EVOLUTION ET MAINTENANCE IWS » · SERVICES · Configuration integration and maintenance services

€6M
contract ceiling — what was paid on it is not published
Signed on 21 January 2025 · running until about January 2029 · 4 yrs
Ongoing20 Jan 2029

Who won it

Isilogregistered office SAINT-HERBLAIN (44800) · headcount 21 · SIRET 38908006000079

Contract no. 2025S005580000 · scope M57 Ville · See this contract’s exact record on opendata.paris.fr ↗