IT companies with ISO 27001: Germany 2026 (7)

IT companies with ISO 27001 from our ranking (Germany), 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 Germany 2026: a fact-based ranking

  1. 1

    adesso SE

    90/100
    Year founded
    1997
    Employees (stated)
    11,500
    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

    Materna Information & Communications SE

    83/100
    Year founded
    1980
    Employees (stated)
    4,500
    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

    GFT Technologies SE

    80/100
    Year founded
    1987
    Employees (stated)
    12,000
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Not verified
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Long on the market
    • Large team
  4. 4

    Nagarro SE

    78/100
    Year founded
    Not verified
    Employees (stated)
    18,700
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Large team
    • Partner status with a vendor stated
  5. 5

    Allgeier SE

    76/100
    Year founded
    Not verified
    Employees (stated)
    2,400
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Yes
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Large team
    • Partner status with a vendor stated
  6. 6

    codecentric AG

    71/100
    Year founded
    2004
    Employees (stated)
    550
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    Not verified
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Partner status with a vendor stated
    • Legal entity with registration number given
  7. 9

    QAware GmbH

    60/100
    Year founded
    2005
    Employees (stated)
    240
    ISO 27001 certificate
    Yes
    ISO 9001 certificate
    No
    Case studies with named clients
    Yes
    • Case studies with named clients published
    • ISO 27001 certificate stated
    • Legal entity with registration number given
    • Own open-source code shown