Top 100 Cybersecurity Companies in the United Kingdom

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Top 100 Cybersecurity Companies in the United Kingdom

The Best of March 2024

Looking for a top cybersecurity consultant in the United Kingdom?

Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age. 

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List of the Best United Kingdom Cybersecurity Consultants

  • 31
    (1 Reviews) 4.0
    • Timeliness

      4.0
    • Service Excellence

      4.0
    • Value

      5.0
    • Would Recommend

      4.0
    • Undisclosed
    • 250 - 999 employees
    • Nottingham, United Kingdom
    Littlefish Managed IT Services is an IT managed services company. Their midsize team is located in Nottingham, United Kingdom; Sheffield, United Kingdom and London, United Kingdom. The firm specializes in IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting. The firm was established in 2003.
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    Industries

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  • 32
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom
    DynaRisk, a cybersecurity company, is in London, United Kingdom. The small firm was launched in 2016. Their team focuses on cybersecurity.
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    Clients

    • Hiscox
    • Chubb
    • BOXX Insurance
    • Digimune

    Industries

  • 33
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 50 - 249 employees
    • Birstall, United Kingdom
    Sec-1, an IT managed services and cybersecurity company, is based in Birstall, United Kingdom. Launched in 2001, the midsize team focuses on IT managed services and cybersecurity.
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    Industries

  • 34
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 50 - 249 employees
    • Theale, United Kingdom
    Founded in 1982, Clearswift is a cybersecurity company. The company offers cybersecurity and has a midsize team. The company is located in Theale, United Kingdom.
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  • 35
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • Leicester , United Kingdom
    Launched in 2010, Berea is a cybersecurity company. The small Leicester , United Kingdom-based team focuses on cybersecurity.
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  • 36
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Emagine Consulting is a big data analytics company. Founded in 1994, the large company is in London, United Kingdom; Nanterre, France and Berlin, Germany. Their team focuses on BI & big data consulting & SI, cybersecurity, and mobile app development.
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    Industries

  • 37
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom
    Digital Shadows, a cybersecurity company, is headquartered in London, United Kingdom and Dallas, Texas. Established in 2011, the midsize team offers cybersecurity.
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  • 38
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Salford, United Kingdom
    Headquartered in Salford, United Kingdom, Defendza is a cybersecurity company. The small firm was launched in 2016. Their team offers cybersecurity and IT strategy consulting.
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  • 39
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    In London, United Kingdom, Ravelin Technology is an AI firm and cybersecurity company. The midsize firm was established in 2014. Their team specializes in Artificial Intelligence and cybersecurity.
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  • 40
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • Bishop’s Stortford, United Kingdom
    Seceon Inc., an AI firm and cybersecurity company, is in Westford, Massachusetts and Bishop’s Stortford, United Kingdom. The midsize team specializes in Artificial Intelligence and cybersecurity. The company was established in 2014.
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  • 41
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • Slough, United Kingdom
    Armor is a cybersecurity company. Their midsize team is in Richardson, Texas and Slough, United Kingdom. The agency offers cybersecurity.
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  • 42
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 2 - 9 employees
    • London, United Kingdom
    Vuntie Limited, a cybersecurity company, was founded in 2019. Based in London, United Kingdom, their small team focuses on cybersecurity, custom software development, BI & big data consulting & SI, IoT development, and more.
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    Industries

  • 43
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom
    Based in London, United Kingdom, MIK LIONS is a small cybersecurity company. Established in 2015, the team focuses on cybersecurity.
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    Industries

  • 44
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • Whitchurch, United Kingdom
    Infosec Partners, a cybersecurity company, is in Whitchurch, United Kingdom. Founded in 2004, the small team specializes in cybersecurity.
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    Industries

  • 45
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Altrincham, United Kingdom
    Cyphere, a cybersecurity company, is based in Altrincham, United Kingdom. The small team specializes in cybersecurity. The company was founded in 2020.
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    Industries

  • 46
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 10 - 49 employees
    • London , United Kingdom
    Turgensec, a cybersecurity company, is located in London , United Kingdom. They offer cybersecurity and were founded in 2019.
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    Industries

  • 47
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • London, United Kingdom
    Cynance, a cybersecurity company, was founded in 2019. The small team focuses on cybersecurity. The firm is in London, United Kingdom.
    Read More

    Industries

  • 48
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • Jarrow, United Kingdom
    Launched in 2020, Vanguard Cyber Security Ltd is a cybersecurity company. They are in Jarrow, United Kingdom and have a small team. The agency provides cybersecurity.
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    Industries

  • 49
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • London, United Kingdom

    Nicolson Bray Ltd is a cybersecurity company. Located in London, United Kingdom, their small team provides cybersecurity. The company was founded in 2012.

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    Industries

  • 50
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • Plymouth, United Kingdom
    Constant Edge is a cybersecurity company established in 2018. Based in Plymouth, United Kingdom and Claymont, Delaware, their small team offers cybersecurity.
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  • 51
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • Ibstock, United Kingdom
    ADL Consulting Limited is a cybersecurity company. Based in Ibstock, United Kingdom, their small team specializes in cybersecurity, IT managed services, and corporate training. The firm was established in 2006.
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  • 52
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • Middlesbrough, United Kingdom
    Sencode Cyber SEcurity is a cybersecurity company. Their small team is headquartered in Middlesbrough, United Kingdom. Their services include cybersecurity. The agency was launched in 2019.
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  • 53
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom

    Cybersecurity company Kloudwerk is in London, United Kingdom. The company offers cybersecurity and is small.The company was founded in 2021.

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  • 54
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • City of London, United Kingdom
    ISTARI is a cybersecurity company. They are in City of London, United Kingdom; New York, New York and , Singapore and have a small team. The company offers cybersecurity and IT managed services.
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  • 55
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • City of London, United Kingdom
    Cybersecurity company Identiom Limited is based in City of London, United Kingdom. They offer cybersecurity and IT managed services and were launched in 2020.
    Read More
  • 56
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • City of London, United Kingdom

    Cybersecurity company Crossword Cybersecurity Plc was launched in 2014. They are located in City of London, United Kingdom; Kraków, Poland and مسقط, Oman and have a midsize team. Crossword Cybersecurity Plc provides cybersecurity, IT managed services, and custom software development.

    Read More
  • 57
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    SURFSecurity is a cybersecurity company. Established in 2021, the company is in London, United Kingdom. The small team focuses on cybersecurity.
    Read More
  • 58
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, United Kingdom
    Redscan is a midsize cloud consulting & SI company. They specialize in cloud consulting & SI, cybersecurity, and other IT consulting and SI and were established in 2015. The company is located in London, United Kingdom.
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    Industries

  • 59
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • Oldbrook, United Kingdom
    Precursor Security is a cybersecurity company in Leeds, United Kingdom. Launched in 2018, the small team focuses on cybersecurity.
    Read More

    Industries

  • 60
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • Bishops Cleeve, United Kingdom
    Established in 2017, Dark Rhino Security is a small cybersecurity company. Their team focuses on cybersecurity. The company is in Dublin, Ohio and Bishops Cleeve, United Kingdom.
    Read More

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