Our clients

They trust us

Our clients are what makes us tick: we help them to perform better, be sustainable and serve people.

In-depth knowledge of all industrial sectors

Oresys accompanies French and overseas clients in all public and private sectors. We are entrusted with over 300 assignments a year, so we have an in-depth knowledge of our clients’ business activities. Below you will find a few examples of the companies and public organisations that put their trust in us:

  • Aerospatial, Automotive & Transport

    Open
    • Airbus

    • Dassault

    • Geodis

    • PSA

    • RATP

    • Renault-Nissan

    • Safran

    • SNCF

  • Insurance & Social welfare

    Open
    • April

    • Aviva

    • Axa

    • CNP

    • Harmonie Mutuelle

    • Malakoff-Médéric

    • MMA

    • Mutex

  • Banks & Financial institutions

    Open
    • AMF

    • Banque de France

    • Banque Populaire

    • BNP Paribas

    • GE Capital

    • La Banque Postale

    • LCL

    • Société Générale

  • Distribution & Consumer goods

    Open
    • Carrefour

    • Auchan

    • LVMH

    • Marks&Spencer

    • Metro Cash & Carry

    • Système U

    • Mc Donald's

    • L'Oréal

  • Energy & Utilities

    Open
    • Cofely

    • EDF

    • Engie

    • ENEDIS

    • GrDF

    • GRT-Gaz

    • Total

    • Veolia

    • Electrabel

  • Public sector

    Open
    • AFPA

    • Bibliothèque nationale de France

    • Commission Européenne

    • APHP

    • Mairie de Paris

    • ONF

    • Université de Lausanne

  • Industry & Construction

    Open
    • Air Liquide

    • ArcelorMittal

    • Areva

    • Bouygues Construction

    • DCNS

    • Eiffage

    • Elis

    • Solvay

  • Media & Telecommunication

    Open
    • Bouygues Telecom

    • Canal +

    • France TV

    • Lagardère

    • Orange

    • SFR

    • Sony Music

    • EMAP

  • Ministries

    Open
    • Justice

    • Education Nationale

    • Culture

    • Premier Ministre

    • Développement Durable et Energie

    • Défense

    • Travail

  • Life science & Pharmaceuticals

    Open
    • Biomérieux

    • Galderma

    • Ipsen

    • Johnson & Johnson

    • Novartis

    • Sanofi

    • Servier

    • UCB