Top 100 Penetration Testing Companies in the United Kingdom

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Top 100 Penetration Testing Companies in the United Kingdom

The Best of March 2024

Looking for a top penetration testing company in the United Kingdom?

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 United Kingdom Penetration Testing Services

  • 121
    (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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  • 122
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Kidderminster, United Kingdom
    Forever Group, an IT managed services company, was established in 2009. The small team provides IT managed services, unified communications consulting & SI, cybersecurity, cloud consulting & SI, and more. The firm is located in Kidderminster, United Kingdom and Bewdley, United Kingdom.
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    Industries

  • 123
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Plymouth, United Kingdom

    Westbrook Communications Ltd is a small IT managed services company located in Plymouth, United Kingdom and Salford, United Kingdom. Established in 1990, the team provides IT managed services, cybersecurity, IT strategy consulting, and cloud consulting & SI.

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    Industries

  • 124
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 2 - 9 employees
    • London, United Kingdom
    Entrenovu is a custom software development company. They offer custom software development, cybersecurity, web development, mobile app development, and more and were founded in 2022. The company is headquartered in London, United Kingdom.
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  • 125
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • City of London, United Kingdom
    Appsecco, a small cybersecurity company, is headquartered in City of London, United Kingdom. They offer cybersecurity and were launched in 2015.
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  • 126
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Glasgow, United Kingdom
    IT managed services company ClickNetworks is in Glasgow, United Kingdom. The agency specializes in IT managed services, cybersecurity, cloud consulting & SI, CRM consulting and SI, and more and is small.The agency was established in 2005.
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  • 127
    (0 Reviews)

    Not yet reviewed.

    • $5,000+
    • 10 - 49 employees
    • London, United Kingdom
    WeSeeNow, an IT managed services company, was founded in 1999. They are headquartered in London, United Kingdom and have a small team. WeSeeNow offers IT managed services and other IT consulting and SI.
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    Industries

  • 128
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • Altrincham, United Kingdom
    Matillion is a big data company. The midsize Denver, Colorado-based company was established in 2011. Their services include BI & big data consulting & SI, IT managed services, and cybersecurity.
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  • 129
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • Edinburgh, United Kingdom
    Headquartered in Edinburgh, United Kingdom, Blockchain Technology Partners Limited is a small cybersecurity company. Launched in 2018, the team focuses on cybersecurity, IT strategy consulting, and IT managed services.
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  • 130
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • London, United Kingdom

    ERP consulting and SI company Professional Advantage is in North Sydney, Australia. The midsize team offers ERP consulting and SI, cloud consulting & SI, BI & big data consulting & SI, cybersecurity, and more and was established in 1989.

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    Industries

  • 131
    (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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  • 132
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 2 - 9 employees
    • Romford, United Kingdom
    In Romford, United Kingdom, Qloud IT Support is a cybersecurity company. The small team specializes in cybersecurity, IT strategy consulting, IT managed services, cloud consulting & SI, and more and was launched in 2020.
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    Industries

  • 133
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • Exeter, United Kingdom
    IT managed services company IT Champion Ltd was founded in 2009. They are headquartered in Exeter, United Kingdom and London, United Kingdom and have a small team. Their services include IT managed services, IT strategy consulting, cloud consulting & SI, cybersecurity, and more.
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  • 134
    (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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  • 135
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 50 - 249 employees
    • Gloucester, United Kingdom
    Cloud9 Data Solutions is a cloud consulting & SI and cybersecurity company located in Bethesda, Maryland and Gloucester, United Kingdom. Founded in 2018, the midsize team offers cloud consulting & SI and cybersecurity.
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    Clients

    • Sony
    • SCORE
    • NASA
    • Levi Strauss

    Industries

  • 136
    (1 Reviews) 5.0
    • Timeliness

      4.0
    • Service Excellence

      5.0
    • Value

      4.5
    • Would Recommend

      5.0
    • $50,000+
    • 1,000 - 9,999 employees
    • Antrim, North Ireland, United Kingdom

    IT strategy consulting and other IT consulting and SI company Black Box is headquartered in. The company provides IT strategy consulting and other IT consulting and SI and is large.The company was established in 1976.

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  • 137
    (2 Reviews) 4.8
    • Timeliness

      5.0
    • Service Excellence

      4.8
    • Value

      5.0
    • Would Recommend

      5.0
    • $5,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom

    ERRNA is a blockchain company founded in 2015. The small San Jose, California-based team provides blockchain, cybersecurity, marketing strategy, mobile app development, and more.

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    Industries

  • 138
    (0 Reviews)

    Not yet reviewed.

    • $1,000+
    • 10 - 49 employees
    • London, United Kingdom
    CyberSRC Consultancy LLP is a cybersecurity company. Launched in 2018, the company is located in Noida, India and London, United Kingdom. The small team specializes in cybersecurity, application testing, and business consulting.
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    Industries

  • 139
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 2 - 9 employees
    • Romford, United Kingdom
    IT Department is a Romford, United Kingdom-based IT strategy consulting company. The small team offers IT strategy consulting, unified communications consulting & SI, cybersecurity, and IT managed services and was launched in 2020.
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  • 140
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Secureworks is a large cybersecurity company. They offer cybersecurity and were established in 1999.
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  • 141
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • Freelancer employees
    • Bridlington, United Kingdom
    Established in 2019, RelyWP is a website development firm. Their small team is headquartered in Bridlington, United Kingdom. Their team provides web development, cybersecurity, search engine optimization, and ecommerce marketing.
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    Industries

  • 142
    (0 Reviews)

    Not yet reviewed.

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

    INTELLIWORX Managed IT is a small IT strategy consulting company headquartered in Baulkham Hills, Australia; Auckland, New Zealand; Boston, Massachusetts and London, United Kingdom. They offer IT strategy consulting, IT managed services, cybersecurity, other IT consulting and SI, and more and were founded in 2011.

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    Industries

  • 143
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 250 - 999 employees
    • Belfast, United Kingdom
    Established in 1997, SilverSky is a cybersecurity company. The midsize team provides cybersecurity. The company is based in Morrisville, North Carolina; Milford, Connecticut; Mount Laurel Township, New Jersey and Belfast, United Kingdom.
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  • 144
    (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.
    Read More

    Industries

  • 145
    (15 Reviews) 4.9
    • Timeliness

      4.9
    • Service Excellence

      4.9
    • Value

      4.7
    • Would Recommend

      5.0
    • $10,000+
    • 250 - 999 employees
    • London, United Kingdom

    A1QA logo is a quality assurance and software testing company founded in 2002. Based in Denver, they have a team of 200+ employees that specialize in application testing and cybersecurity. They primarily serve midmarket clients in the IT and telecommunications industries.

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    Clients

    • Adidas
    • SAP
    • Acronis
    • Kaspersky Lab

    Industries

  • 146
    (5 Reviews) 5.0
    • Timeliness

      5.0
    • Service Excellence

      5.0
    • Value

      4.9
    • Would Recommend

      5.0
    • $10,000+
    • 250 - 999 employees
    • London, United Kingdom

    Link Group Global, inc. Is an Austin, Texas-based human resources agency. The midsize company was established in 2015. Their services include HR services, IT managed services, and IT staff augmentation.

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    Clients

    • Danone
    • StoneX
    • Standard Chartered
    • Accor

    Industries

  • 147
    (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.
    Read More

    Industries

  • 148
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    Solid Systems is a small IT managed services company launched in 2003. Their team offers IT managed services, cloud consulting & SI, and cybersecurity. The agency is located in Cape Town, South Africa; Johannesburg, South Africa and London, United Kingdom.
    Read More

    Industries

  • 149
    (0 Reviews)

    Not yet reviewed.

    • Undisclosed
    • 10 - 49 employees
    • London, United Kingdom
    Cybersecurity company Cloudbox was launched in 2012. Their small team is in Cape Town, South Africa; London, United Kingdom and , Singapore. Their services include cybersecurity, IT managed services, IT strategy consulting, cloud consulting & SI, and more.
    Read More
  • 150
    (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
    YBUGS is a digital strategy company located in London, United Kingdom and Lahore, Pakistan. The small team offers digital strategy, social media marketing, search engine optimization, ux/ui design, and more and was established in 2023.
    Read More

    Industries

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