Top 100 Cybersecurity Companies in the United Kingdom

Need Help Selecting a Company?
Directory image

Top 100 Cybersecurity Companies in the United Kingdom

The Best of December 2025

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. 

Jump to Most Reviewed Companies

List of the Best United Kingdom Cybersecurity Consultants

  • 91
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Plymouth, England
    Cybersecurity company Constant Edge is based in Plymouth, England and Claymont, Delaware. Founded in 2018, the team provides Cybersecurity.
    Read More
  • Get connected with a company for free

    Tell us about your project, and we'll match you with vetted companies that meet your requirements.

    Get Started
  • 92
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    SURFSecurity is a Cybersecurity company. They are headquartered in London, England and have small team. They offer Cybersecurity.
    Read More
  • 93
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Aldershot, England
    Intouch Cyber Security is a Cybersecurity company. They are headquartered in Aldershot, England, and their services include Cybersecurity and Compliance Consulting.
    Read More
  • 94
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    London, England
    RockSec Group, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.
    Read More

    Industries

  • 95
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    London, England
    Secore Information Security Ltd is a Cybersecurity company. The London, England-based agency was launched in 2023. Their team specializes in Cybersecurity.
    Read More

    Industries

  • 96
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    London, England
    Founded in 2020, Cyber Sense Limited is a Cybersecurity company. The team offers Cybersecurity and Application Testing.
    Read More
  • 97
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    London, England
    Based in London, England, Marshall Info Tech is a midsize IT managed services company. The team specializes in IT managed services and Cybersecurity.
    Read More
  • 98
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    50 - 249 employees
    Wallsend, England
    Forfusion is a midsize Wallsend, England-based IT managed services company. Their services include IT managed services and IT strategy consulting.
    Read More

    Industries

  • 99
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Sunderland, England
    Launched in 2018, CyberWhite Limited is a Cybersecurity company. The agency offers Cybersecurity and IT managed services.
    Read More
  • 100
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Belfast, Northern Ireland
    Small Cybersecurity and IT managed services company Nimbus, is located in Belfast, Northern Ireland. Their services include Cybersecurity and IT managed services.
    Read More
  • 101
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    London, England
    Founded in 2013, First Response is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.
    Read More
  • 102
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Established in 2011, Callsign is an artificial intelligence firm. The team provides Artificial Intelligence and Cybersecurity.
    Read More
  • 103
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Jarrow, England
    Vanguard Cyber Security Ltd is a small Cybersecurity company headquartered in Jarrow, England. The team focuses on Cybersecurity.
    Read More

    Industries

  • 104
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Oldbrook, England
    GEOPC Ltd is an Oldbrook, England-based Cybersecurity company. Founded in 2023, the team provides Cybersecurity.
    Read More

    Industries

  • 105
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Lightrove Technology is a midsize Cybersecurity company founded in 2020. Their services include Cybersecurity and IT staff augmentation.
    Read More
  • 106
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Gloucester, England
    Cloud9 Data Solutions is a Cybersecurity company. Launched in 2018, the company specializes in Cybersecurity and Compliance Consulting.
    Read More

    Clients

    Sony

    Industries

  • 107
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    2 - 9 employees
    London, England
    Monsevo, a Cybersecurity company, provide Cybersecurity. They were launched in 2023.
    Read More
  • 108
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    1,000 - 9,999 employees
    London, England
    IT strategy consulting company Beryl Technologies Ltd is headquartered in London, United Kingdom and Multan, Pakistan. The firm focuses on IT strategy consulting, cybersecurity, and IT managed services and is large.The firm was launched in 2023.
    Read More
  • 109
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Wakefield, England
    Hacked Website Fix is a Cybersecurity company. They were established in 2017 and offer Cybersecurity and IT managed services.
    Read More
  • 110
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    London, England
    Cybersecurity company Dreadsec Ltd is headquartered in London, England. The team offers Cybersecurity.
    Read More
  • 111
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    London, England
    Cybersecurity company Cybernoq LTD is headquartered in London, England. Their services include Cybersecurity and IT managed services.
    Read More
  • 112
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    London, England
    Lineal is a small Business Consulting company based in London, England and Hong Kong, Hong Kong. Their services include Business Consulting and Cybersecurity.
    Read More

    Industries

  • 113
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    10 - 49 employees
    London, England
    SnatchDigital is an IT staff augmentation company. The team focuses on IT staff augmentation and Application Testing and is in London, England and San francisco, California.
    Read More

    Clients

    Playvox
  • 114
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Greenfield, England
    Based in Greenfield, England, KEEP Information Security Services is a Cybersecurity company. They provide Cybersecurity and IT strategy consulting and were launched in 2014.
    Read More
  • 115
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    1,000 - 9,999 employees
    Bracknell, England
    IT strategy consulting company Excis Compliance was established in 2001. The team provides IT strategy consulting and cloud consulting & SI and is in Bracknell, England and Navi Mumbai, India.
    Read More
  • 116
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    London, England
    OTIFYD is a Cybersecurity company in London, England and Dubai, United Arab Emirates. They specialize in Cybersecurity and IT strategy consulting.
    Read More
  • 117
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Birmingham, England
    METCLOUD is a Cybersecurity company. They focus on Cybersecurity and IT managed services and were established in 2017. The firm is based in Birmingham, England.
    Read More
  • 118
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Manchester, England
    Established in 2016, Techolony is a midsize Cybersecurity company in Manchester, England. Their team offers Cybersecurity and IT managed services.
    Read More
  • 119
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Edinburgh, Scotland
    IT managed services company Dunedin IT is based in Edinburgh, Scotland and Glasgow, Scotland. The team provides IT managed services and IT strategy consulting.
    Read More

    Industries

  • 120
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Bristol, England
    Stripe OLT is a Cybersecurity company. The company is in Bristol, England and London, England. Their team provides Cybersecurity and IT managed services.
    Read More

    Industries

  • tracking image

Get connected with the right company for you

We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.

Schedule Consultation