YSEIS
In 2020, YSEIS won 1 public contract from the City of Paris, worth €200k in total (maximum amounts notified), mostly in worker health and safety coordination.
Source: DECP via opendata.paris.fr, data as of 14 September 2026.
Yseis
registered office in MAISONS-ALFORT · headcount 21 · founded in 2002 · SIREN 443748793 · view on annuaire-entreprises.data.gouv.fr ↗
200k €
in contracts signed with the City since 2020 · ceilings, not spending
The contracts signed
Largest first.
Prestat° Coordination de Sécurité/ Protection Santé V.p.signed on 15 Jun 2020200k €Contract ceilings, not spending: the City does not publish what was paid. A shared lot shows the whole lot’s amount. Source: City of Paris, DECP.