Top 100 Penetration Testing Companies in London

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Top 100 Penetration Testing Companies in London

The Best of May 2024

Looking for a top penetration testing company in London?

Having vulnerable security poses a threat to your organization. In an age where data has become some of the most important assets that your company will have, improving security measures is always a must. 

List of the Best London Penetration Testing Services

  • 91
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 10 - 49 employees
    • kent, United Kingdom
    Launched in 2000, Allteks LTD is an IT managed services company. Their small team is located in kent, United Kingdom. Their team specializes in IT managed services, IT strategy consulting, cybersecurity, cloud consulting & SI, and more.
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  • 92
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 2 - 9 employees
    • Welwyn, United Kingdom
    Colibri Digital is an AI firm founded in 2015. They are based in Welwyn, United Kingdom and have a small team. Their services include Artificial Intelligence, BI & big data consulting & SI, cloud consulting & SI, application management & support, and more.
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    Industries

  • 93
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • Freelancer employees
    • Istead Rise, United Kingdom
    Based in Istead Rise, United Kingdom, HelpFully IT is an IT strategy consulting company. Launched in 2020, the small team specializes in IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more.
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  • 94
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • Aylesbury, United Kingdom
    Red Helix is a cybersecurity company based in Aylesbury, United Kingdom. The midsize team specializes in cybersecurity, IT managed services, and application testing. The agency was established in 1984.
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    Industries

  • 95
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Bishop's Stortford, United Kingdom
    Genmar (UK) Ltd is a small IT managed services company. Founded in 1996, the agency is located in Bishop's Stortford, United Kingdom. Their team focuses on IT managed services, voice services, cloud consulting & SI, cybersecurity, and more.
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  • 96
    (0 Reviews)

    Not yet reviewed.

    • $10,000+
    • 50 - 249 employees
    • Meppershall, United Kingdom
    Centrality is a midsize cybersecurity company. The Meppershall, United Kingdom-based agency was established in 1996. Their services include cybersecurity, IT strategy consulting, IT managed services, cloud consulting & SI, and more.
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  • 97
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • Letchworth, United Kingdom
    Located in Letchworth, United Kingdom, Edge IT is an IT managed services company. The company focuses on IT managed services, cybersecurity, IT strategy consulting, and cloud consulting & SI and is small.The company was launched in 2012.
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  • 98
    (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.
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    Industries

  • 99
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Crownhill, United Kingdom
    Cloudandmore is a IT strategy consulting company. Their small team is based in Crownhill, United Kingdom and Bristol, United Kingdom. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, IT managed services, and more. The agency was launched in 2021.
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  • 100
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • Freelancer employees
    • Biddenham, United Kingdom
    Peter Groom, an IT strategy consulting company, is based in Biddenham, United Kingdom. The small agency was launched in 1997. Their services include IT strategy consulting, business consulting, other IT consulting and SI, cybersecurity, and more.
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  • 101
    (1 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      5.0
    • Would Recommend

      5.0
    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom

    SonicFast is a hosting solutions provider founded in 2015 in London and with about 5 employees on board. Their main services include cybersecurity, cloud consulting and systems integration, IT managed services, and business intelligence. They mostly cater to small businesses in telecommunications, IT, and gaming industries. 

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  • 102
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, United Kingdom
    Artificial intelligence company Exiger was established in 2013. Their midsize team is headquartered in București, Romania; Hong Kong, Hong Kong; London, United Kingdom and New York, New York. Their services include Artificial Intelligence, cybersecurity, and business consulting.
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  • 103
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • Croxley Green, United Kingdom
    Big data company GCI was launched in 2001. They are located in Lincoln, United Kingdom; Calder Grove, United Kingdom; Salford, United Kingdom and Derby, United Kingdom and have a midsize team. GCI offers BI & big data consulting & SI, cloud consulting & SI, unified communications consulting & SI, IT managed services, and more.
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  • 104
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • City of London, United Kingdom
    CYBRID, a IT strategy consulting company, was founded in 2017. They are based in Havant, United Kingdom and City of London, United Kingdom and have a small team. Their services include IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services.
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  • 105
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    Avolox is a midsize AI firm. The Houston, Texas-based company was founded in 2013. Their services include Artificial Intelligence, blockchain, and cybersecurity.
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  • 106
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • Chalfont Saint Peter, United Kingdom
    BAT CODERS is a cybersecurity company. Established in 2011, the team offers cybersecurity, mobile app development, web development, and blockchain. Their small firm is in Chalfont Saint Peter, United Kingdom.
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