Top 70 Application Security Companies in England

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Top 70 Application Security Companies in England

The Best of January 2026

Looking for a top application security company in England?

With their in-depth knowledge of application security principles, penetration testing techniques, and security compliance standards, application security services help businesses identify and address security vulnerabilities before malicious actors exploit them. By collaborating with application security professionals, companies can enhance the resilience of their software infrastructure, build trust with their customers, and maintain a strong security posture in today's digital age. 

List of the Best England Application Security Services

  • 61
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Manchester, England
    Fortress Lab, a Cybersecurity company, was established in 2015. The team specializes in Cybersecurity and Web Development and is based in Manchester, England.
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  • 62
    (1 Reviews) 4.5

    Timeliness

    4.0

    Service Excellence

    4.5

    Value

    5.0

    Would Recommend

    4.0
    $250,000+
    50 - 249 employees
    London, England
    Founded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.
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    Industries

  • 63
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    London, England
    Talan UK is a data analytics company launched in 2024. The midsize team focuses on BI & big data consulting & SI and Marketing Strategy.
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    Industries

  • 64
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Middlesbrough, England
    CyberSol360, a cloud consulting & SI company, was launched in 2022. The small team provides cloud consulting & SI and Cybersecurity.
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  • 65
    (1 Reviews) 4.5

    Timeliness

    4.5

    Service Excellence

    4.0

    Value

    4.0

    Would Recommend

    4.0
    $25,000+
    10,000+ employees
    Paris, France
    Persistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.
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    Industries

  • 66
    (31 Reviews) 4.8

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $25,000+
    1,000 - 9,999 employees
    London, England

    ELEKS is a custom software development firm established in 1991. Their large team is in Tallinn, Estonia; L'viv, Ukraine; Berlin, Germany and Rzeszów, Poland. Their services include Custom Software Development, BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, and more.

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    Clients

    BNY Mellon DPD Acino DRAX

    Industries

  • 67
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.9

    Would Recommend

    4.9
    $5,000+
    250 - 999 employees
    Manchester, England
    Aress Software is an IT strategy consulting company. Their midsize team is in Nashik, India; Manchester, England; Woburn, Massachusetts and Pune, India and provides IT strategy consulting, cloud consulting & SI, CRM consulting and SI, Cybersecurity, and more. The agency was founded in 1999.
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    Industries

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