Top 100 Cybersecurity Companies in the United Kingdom

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Top 100 Cybersecurity Companies in the United Kingdom

The Best of April 2026

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

  • 481
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Widnes, England
    NP - Managed Technology Services & Solutions is a small Widnes, England-based IT managed services company. The team specializes in IT managed services and cloud consulting & SI.
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  • 482
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Bishop's Stortford, England
    Genmar (UK) Ltd is an IT managed services company. Established in 1996, the team offers IT managed services and cloud consulting & SI.
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    Industries

  • 483
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    London, England
    Electi Consulting is an AI development company. Established in 2017, the team provides Artificial Intelligence and Blockchain. The agency is based in London, England and Λεμεσός, Cyprus.
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    Industries

  • 484
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    Altham, England
    Sundown Solutions is an IT managed services company. Founded in 2008, their team specializes in IT managed services and IT strategy consulting.
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    Industries

  • 485
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    IT managed services company H2o Networks specializes in IT managed services and cloud consulting & SI. They were founded in 2004.
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    Industries

  • 486
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Exeter, England
    IT Champion Ltd is an IT managed services company. The team specializes in IT managed services and IT strategy consulting and is in Exeter, England and London, England.
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  • 487
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Acumin Consulting is a small Cybersecurity and Business Consulting company based in London, England. Their services include Cybersecurity and Business Consulting.
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  • 488
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Belfast, Northern Ireland
    ITMS Ireland is a small IT managed services and Cybersecurity company located in Belfast, Northern Ireland. Their services include IT managed services and Cybersecurity.
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  • 489
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    City of London, England
    Launched in 2010, Threatscape is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.
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  • 490
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    City of London, England
    Cybersecurity and IT managed services company Connect Digital Security was launched in 2016. The team specializes in Cybersecurity and IT managed services.
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  • 491
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Newcastle Upon Tyne, England
    Cystel is a Cybersecurity company established in 2018. The agency offers Cybersecurity and Artificial Intelligence.
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  • 492
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    C2 Risk is a London, England-based big data company and Cybersecurity company. They focus on BI & big data consulting & SI and Cybersecurity.
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  • 493
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    S3M Security is a London, England-based Cybersecurity and software development firm. They provide Cybersecurity and Custom Software Development and were founded in 2016.
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    Industries

  • 494
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Birkenhead, England
    E2E Technologies Limited is a Birkenhead, England-based Cybersecurity and IT managed services company. Their services include Cybersecurity and IT managed services.
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  • 495
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Facia is a Cybersecurity and Compliance Consulting company. Established in 2022, the team specializes in Cybersecurity and Compliance Consulting.
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    Industries

  • 496
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Manchester, England
    Cybersecurity company Secarma Ltd was founded in 2001. The team provides Cybersecurity and IoT development.
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  • 497
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Belfast, Northern Ireland
    Cyber Guarded Ltd is a cloud consulting & SI and Cybersecurity company. Founded in 2006, the team offers cloud consulting & SI and Cybersecurity.
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  • 498
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Captavio Technologies Limited is a London, England-based Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were established in 2021.
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  • 499
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Birmingham West Midlands, England
    CyberQ Group is a Cybersecurity company. Their team is headquartered in Birmingham West Midlands, England and offers Cybersecurity and IT managed services.
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  • 500
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Birmingham, England
    OmniCyber Security is a Cybersecurity company founded in 2015. Their team offers Cybersecurity and IT managed services.
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  • 501
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Plymouth, England
    Westbrook Communications Ltd is an IT managed services company. The Plymouth, England-based company was founded in 2000. Their services include IT managed services and IT strategy consulting.
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    Industries

  • 502
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    London, England
    Median IT Limited is an IT managed services company. The small London, England-based team offers IT managed services and IT strategy consulting. The agency was launched in 2018.
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    Industries

  • 503
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Edinburgh, Scotland
    Digital Orchard IT is an IT managed services company. Launched in 2010, the firm focuses on IT managed services and Cybersecurity.
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  • 504
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Copthorne, England
    The Cloud Consultancy is an IT managed services company. The small Copthorne, England-based team provides IT managed services and Cybersecurity. The agency was launched in 2015.
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  • 505
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Greenside, England
    Munki computer Help, an IT strategy consulting company, was established in 2017. The firm specializes in IT strategy consulting and IT managed services.
    Read More
  • 506
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    Manchester, England
    Dolus Security is a small Application Testing company established in 2024. Their services include Application Testing and Cybersecurity.
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  • 507
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Manchester, England
    Whatweb is a cloud consulting & SI company located in Manchester, England. They offer cloud consulting & SI and Cybersecurity.
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    Industries

  • 508
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sunbury-on-Thames, England
    Digital Strategy company Tritactltd was founded in 2024. The firm offers Digital Strategy and IT strategy consulting, and is small.
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  • 509
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Great Oakley, England
    EVCO Services is a small IT strategy consulting company. They offer IT strategy consulting and unified communications consulting & SI and were founded in 2023.
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  • 510
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    2 - 9 employees
    London, England
    In London, England, Altidia Consulting is a small IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
    Read More
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