IT companies with ISO 27001: France 2026 (6)

IT companies with ISO 27001 from our ranking (France), in Score order. The company states that it holds this information security certificate. Ask for the current certificate and check its scope.

IT companies in France 2026: a fact-based ranking

  1. 1

    Sopra Steria

    93/100
    Year founded
    1968
    Employees (stated)
    51,000
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
  2. 2

    Capgemini

    89/100
    Year founded
    1967
    Employees (stated)
    423,400
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
  3. 3

    Atos

    85/100
    Year founded
    1982
    Employees (stated)
    51,000
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
  4. 4

    Aubay

    64/100
    Year founded
    1998
    Employees (stated)
    9,049
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Not verified
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
    • Legal entity with registration number given
  5. 5

    NEURONES

    61/100
    Year founded
    1985
    Employees (stated)
    7,500
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Not verified
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
    • Legal entity with registration number given
  6. 7

    Infotel

    59/100
    Year founded
    1979
    Employees (stated)
    3,100
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    No
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
    • Legal entity with registration number given