Top 100 Cybersecurity Companies in the United Kingdom

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Top 100 Cybersecurity Companies in the United Kingdom

June 2023

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. 

List of the Best United Kingdom Cybersecurity Consultants

  • 121
    • Undisclosed
    • 10 - 49 employees
    • Sale, United Kingdom
    Venom IT is an other IT consulting and SI company. Their small team is based in Sale, United Kingdom. The company provides other IT consulting and SI, cloud consulting & SI, IT managed services, cybersecurity, and more. The company was established in 2009.
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  • 122
    • Undisclosed
    • 50 - 249 employees
    • Livingston , United Kingdom
    Capito is an IT managed services company. They are based in Livingston , United Kingdom; Aberdeen , United Kingdom and Woodley, United Kingdom and have a midsize team. Their services include IT managed services, IT strategy consulting, and cloud consulting & SI. The firm was founded in 1990.

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  • 123
    • $1,000+
    • 50 - 249 employees
    • Handforth, United Kingdom
    Frontline Consultancy is an ERP consulting and SI company located in Handforth, United Kingdom. The midsize firm was founded in 1991. Their team focuses on ERP consulting and SI, IT managed services, cybersecurity, custom software development, and more.
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  • 124
    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    Constor Solutions is a London, United Kingdom-based other IT consulting and SI company. Launched in 2013, the midsize team provides other IT consulting and SI, IT managed services, cybersecurity, and cloud consulting & SI.
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  • 125
    • $5,000+
    • 50 - 249 employees
    • Birstall, United Kingdom
    Sec-1, an IT managed services and cybersecurity company, is based in Birstall, United Kingdom. Launched in 2001, the midsize team focuses on IT managed services and cybersecurity.

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  • 126
    • $5,000+
    • 50 - 249 employees
    • Theale, United Kingdom
    Founded in 1982, Clearswift is a cybersecurity company. The company offers cybersecurity and has a midsize team. The company is located in Theale, United Kingdom.
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  • 127
    • Undisclosed
    • 2 - 9 employees
    • Leicester , United Kingdom
    Launched in 2010, Berea is a cybersecurity company. The small Leicester , United Kingdom-based team focuses on cybersecurity.
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  • 128
    • $1,000+
    • 1,000 - 9,999 employees
    • London, United Kingdom
    Emagine Consulting is a big data analytics company. Founded in 1994, the large company is in London, United Kingdom; Nanterre, France and Berlin, Germany. Their team focuses on BI & big data consulting & SI, cybersecurity, and mobile app development.

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  • 129
    • $5,000+
    • 50 - 249 employees
    • London, United Kingdom
    Digital Shadows, a cybersecurity company, is headquartered in London, United Kingdom and Dallas, Texas. Established in 2011, the midsize team offers cybersecurity.
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  • 130
    • $1,000+
    • 2 - 9 employees
    • Salford, United Kingdom
    Headquartered in Salford, United Kingdom, Defendza is a cybersecurity company. The small firm was launched in 2016. Their team offers cybersecurity and IT strategy consulting.
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  • 131
    • Undisclosed
    • 50 - 249 employees
    • London, United Kingdom
    In London, United Kingdom, Ravelin Technology is an AI firm and cybersecurity company. The midsize firm was established in 2014. Their team specializes in Artificial Intelligence and cybersecurity.
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  • 132
    • Undisclosed
    • 50 - 249 employees
    • Bishop’s Stortford, United Kingdom
    Seceon Inc., an AI firm and cybersecurity company, is in Westford, Massachusetts and Bishop’s Stortford, United Kingdom. The midsize team specializes in Artificial Intelligence and cybersecurity. The company was established in 2014.
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  • 133
    • Undisclosed
    • 50 - 249 employees
    • Slough, United Kingdom
    Armor is a cybersecurity company. Their midsize team is in Richardson, Texas and Slough, United Kingdom. The agency offers cybersecurity.
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  • 134
    • Undisclosed
    • 10 - 49 employees
    • City of London, United Kingdom
    ISTARI is a cybersecurity company. They are in City of London, United Kingdom; New York, New York and , Singapore and have a small team. The company offers cybersecurity and IT managed services.
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  • 135
    • Undisclosed
    • 2 - 9 employees
    • City of London, United Kingdom
    Cybersecurity company Identiom Limited is based in City of London, United Kingdom. They offer cybersecurity and IT managed services and were launched in 2020.
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  • 136
    • Undisclosed
    • 50 - 249 employees
    • City of London, United Kingdom
    Cybersecurity company Crossword Cybersecurity Plc was launched in 2014. They are located in City of London, United Kingdom; Kraków, Poland and مسقط, Oman and have a midsize team. Crossword Cybersecurity Plc provides cybersecurity, IT managed services, and custom software development.
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  • 137
    • Undisclosed
    • 10 - 49 employees
    • Bishops Cleeve, United Kingdom
    Established in 2017, Dark Rhino Security is a small cybersecurity company. Their team focuses on cybersecurity. The company is in Dublin, Ohio and Bishops Cleeve, United Kingdom.
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  • 138
    • $1,000+
    • 2 - 9 employees
    • Motherwell, United Kingdom
    IT managed services company VectorCloud Ltd is based in Motherwell, United Kingdom. The company focuses on IT managed services, cybersecurity, and cloud consulting & SI and is small.The company was launched in 1997.
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  • 139
    • $25,000+
    • 10 - 49 employees
    • London, United Kingdom
    FITTS is a cloud consulting & SI company. They provide cloud consulting & SI, unified communications consulting & SI, IT managed services, cybersecurity, and more and were founded in 2017. The company is based in London, United Kingdom and Nairobi, Kenya.
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  • 140
    • $5,000+
    • 10 - 49 employees
    • Stevenage, United Kingdom
    Established in 1998, Primenet is an IT managed services company. Their small team is in Stevenage, United Kingdom. Their team offers IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.

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  • 141
    • Undisclosed
    • 10 - 49 employees
    • Birmingham, United Kingdom
    Founded in 2014, Moremicro is a IT managed services company. Their small team is in Birmingham, United Kingdom and focuses on IT managed services, IT strategy consulting, cybersecurity, IT staff augmentation, and more.
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  • 142
    • Undisclosed
    • 10 - 49 employees
    • Fforest-fach, United Kingdom
    Established in 2008, pisys.net is an IT managed services company. The small Fforest-fach, United Kingdom-based team focuses on IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.

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  • 143
    • Undisclosed
    • 10 - 49 employees
    • Manchester, United Kingdom
    Remedian IT Solutions Ltd is a IT managed services company headquartered in oldham, United Kingdom and Manchester, United Kingdom. They provide IT managed services, IT strategy consulting, cybersecurity, and unified communications consulting & SI and were founded in 2007.
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  • 144
    • $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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  • 145
    • $1,000+
    • 2 - 9 employees
    • Liverpool , United Kingdom
    SPARKZ NETWORK LIMITED is a web design agency based in Liverpool , United Kingdom. Founded in 2015, the small team provides web design, branding, cybersecurity, and graphic design.
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  • 146
    • $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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  • 147
    • $5,000+
    • 2 - 9 employees
    • Blantyre, United Kingdom
    DataRush Ltd is a digital strategy company based in Blantyre, United Kingdom. The small agency was founded in 2020. Their team specializes in digital strategy, IT managed services, cybersecurity, and business consulting.
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  • 148
    • $1,000+
    • 50 - 249 employees
    • Wymondham , United Kingdom
    Netmatters is a midsize custom software development firm. They specialize in custom software development, IT managed services, web design, digital strategy, and more and were launched in 2008. The agency is headquartered in Wymondham , United Kingdom.

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  • 149
    • $1,000+
    • 50 - 249 employees
    • Sevenoaks, United Kingdom
    Akita is a midsize Sevenoaks, United Kingdom-based IT managed services company. They provide IT managed services, cloud consulting & SI, IT strategy consulting, CRM consulting and SI, and more and were founded in 1996.
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  • 150
    • $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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