ACT-ON
In 2025, ACT-ON signed €4M of contracts with the City of Paris (maximum amounts), mostly in third-party application maintenance.
Source: the City's contract list (opendata.paris.fr) and the DECP (data.gouv.fr), data as of 29 September 2026.
Act-On Hris
registered office in Neuilly-sur-Seine (92200) · headcount 250 to 499 employees · founded in 2001 · SIREN 435024369 · view on annuaire-entreprises.data.gouv.fr ↗
€4M
in contracts signed with the City in 2025, at their maximum amounts
The contracts signed
Largest first.
Operational maintenance and development of the private Cloud and DevOps platformsigned on 10 Apr 2025€4MAmoa Informatique Système informatique Système RH Mairie Parissigned on 10 Dec 2013€1MAmoa lot 2 Projets Composantes Informatique de la DRHsigned on 3 Apr 2018€726kYear by year
€€1M in 2013 · €€4M in 2025
Click a year to see its amount.
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.