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    BROWSE CERTIFIED COMPANIES
    Certification Badge Jul 2026

    CSL Group

    Updated July 2026.

    About CSL Group

    Company Overview
    CSL is the trusted partner for Critical Connectivity in regulated environments. Providing private, secure and resilient connectivity with end-to-end control, their DualCore infrastructure ensures essential operations stay connected, compliant and protected. Backed by award-winning 24/7/365 human-led support, CSL reduces operational risk where uptime and reliability matter most.
    Company Size 242 UK-based Employees
    (Large)
    INDUSTRY Information Technology
    CONNECT
    CSL Group Head Office
    Watford, Hertfordshire
    East England, United Kingdom

    Employee Demographics

    Tenure
    • <2 years - 33%
    • 2-5 years - 31%
    • 6-10 years - 23%
    • 11-15 years - 6%
    • 16-20 years - 6%
    • Over 20 years - 1%

    Company Culture at CSL Group

    The employee experience below at CSL Group, compared to a typical company.

    92% of employees at CSL Group say it is a great place to work*, compared to 54% of employees at a typical UK based company.
    CSL Group
    92%
    Typical Company
    54%
    *Responses to the statement “Taking everything into account, I would say this is a great place to work.” vs. a typical UK company.

    98%

    This is a physically safe place to work.

    98%

    People here are treated fairly regardless of their sexual orientation.

    97%

    People here are treated fairly regardless of their gender.

    96%

    People here are treated fairly regardless of their race.

    96%

    I am able to take time off from work when I think it's necessary.

    Working at CSL Group

    Meet some of our fantastic people who make CSL a Great Place to Work.
    CSL's three core values we all live and breathe by; Customer Obsession, Collaboration & Continous Improvement.
    CSL's Christmas Party 2024!
    We care about the environment at CSL ensuring our products and solutions are sustainable and environmentally friendly.
    We love to learn at CSL - some our managers and leaders engaging in our bespoke leadership programme.
    A glance at some of our 2024 events raising money for charities, alongside some DE&I celebrations.
    Some of the team on a (long) walk across Central London raising money for a children's charity.
    CSL gives the team chances to volunteer and give back to the local community.
    A glance at some of our 2026 events raising money for charities, alongside some DE&I celebrations.
    We love to learn at CSL - here's a snapshot of our leadership programme in action.
    We care about the environment at CSL ensuring our products and solutions are sustainable and environmentally friendly.
    We make time to celebrate together - from Christmas parties to summer get-togethers.
    What we stand for at CSL: customer obsession, collaboration, continuous improvement.
    Behind every project at CSL, there's a team that genuinely enjoys working together. Meet some of our people.

    Getting the list of awards....

    Best Workplaces Lists

    Great Place To Work® is proud to recognise CSL Group on the following Best Workplaces Lists.

    Interested in a career at CSL Group, or just want to know more?

    To discover what sets CSL Group apart and explore relevant career opportunities, take a look at their website.

    Visit Their Website

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