Top 100 Cybersecurity Companies in the United Kingdom
May 2023Looking 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.
To assist you in your search for a partner, we’ve compiled this list of the top cybersecurity consulting companies in United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best United Kingdom Cybersecurity Consultants
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Featured providers
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- $25,000+
- 10 - 49 employees
- Sunnyvale, CA
Diffco is a company of world-class senior developers in Mobile, Web, and AI to launch, accelerate, and support your business applications. 13+ years of experience and 1000+ successfully launched projects. We succor our customers to become market leaders.
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- Undisclosed
- 250 - 999 employees
- Rockville, MD
Dataprise is a Rockville, Maryland-based IT managed services company. The firm provides IT managed services, cybersecurity, IT strategy consulting, and web development and is midsize.The firm was launched in 1995.
Visit siteIndustries
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31
- Undisclosed
- 2 - 9 employees
- London, United Kingdom
Cyber Legion is a cybersecurity company located in London, United Kingdom. They offer cybersecurity, application testing, and other IT consulting and SI and were founded in 2021.Visit Site - Get Started
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32
- $10,000+
- 2 - 9 employees
- London, United Kingdom
Vuntie Limited, a cybersecurity company, was founded in 2019. Based in London, United Kingdom, their small team focuses on cybersecurity, custom software development, BI & big data consulting & SI, IoT development, and more.Visit SiteIndustries
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33
- $1,000+
- 2 - 9 employees
- London, United Kingdom
Cynance, a cybersecurity company, was founded in 2019. The small team focuses on cybersecurity. The firm is in London, United Kingdom.Visit SiteIndustries
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34
- Undisclosed
- 2 - 9 employees
- London, United Kingdom
Nicolson Bray Ltd is a cybersecurity company. Located in London, United Kingdom, their small team provides cybersecurity. The company was founded in 2012.Visit SiteIndustries
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35
- $5,000+
- 10 - 49 employees
- Leeds, United Kingdom
Precursor Security is a cybersecurity company in Leeds, United Kingdom. Launched in 2018, the small team focuses on cybersecurity.Visit SiteIndustries
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36
- $1,000+
- 2 - 9 employees
- Altrincham, United Kingdom
Cyphere, a cybersecurity company, is based in Altrincham, United Kingdom. The small team specializes in cybersecurity. The company was founded in 2020.Visit SiteIndustries
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37
- Undisclosed
- 2 - 9 employees
- Middlesbrough, United Kingdom
Sencode Cyber SEcurity is a cybersecurity company. Their small team is headquartered in Middlesbrough, United Kingdom. Their services include cybersecurity. The agency was launched in 2019.Visit Site -
38
- $1,000+
- 10 - 49 employees
- Stourbridge, United Kingdom
Cybersecurity company Superfast IT is in Stourbridge, United Kingdom. The small firm was founded in 2002. Their team provides cybersecurity, IT managed services, IT strategy consulting, and cloud consulting & SI.Visit SiteIndustries
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39
- Undisclosed
- 10 - 49 employees
- Plymouth, United Kingdom
Constant Edge is a cybersecurity company established in 2018. Based in Plymouth, United Kingdom and Claymont, Delaware, their small team offers cybersecurity.Visit Site -
40
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Cybersecurity company Kloudwerk is in London, United Kingdom. The company offers cybersecurity and is small.The company was founded in 2021.Visit Site -
41
- Undisclosed
- 10 - 49 employees
- London, United Kingdom
SURFSecurity is a cybersecurity company. Established in 2021, the company is in London, United Kingdom. The small team focuses on cybersecurity.Visit Site -
42
- Undisclosed
- 250 - 999 employees
- London, United Kingdom
Marshall Info Tech is an IT managed services company. They are based in London, United Kingdom and have a midsize team. Their team specializes in IT managed services and cybersecurity.Visit Site -
43
- Undisclosed
- 10 - 49 employees
- Belfast, United Kingdom
Nimbus is a small Belfast, United Kingdom-based IT managed services and cybersecurity company. Launched in 2010, the team specializes in IT managed services and cybersecurity.Visit Site -
44
- Undisclosed
- 10 - 49 employees
- London, United Kingdom
First Response is a small cybersecurity and IT managed services company. They specialize in cybersecurity and IT managed services and were established in 2013. The firm is based in London, United Kingdom.Visit Site -
45
- Undisclosed
- 50 - 249 employees
- London, United Kingdom
Callsign is an AI firm launched in 2011. The midsize London, United Kingdom-based team offers Artificial Intelligence and cybersecurity.Visit Site -
46
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Based in London, United Kingdom, MIK LIONS is a small cybersecurity company. Established in 2015, the team focuses on cybersecurity.Visit SiteIndustries
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47
- $5,000+
- 2 - 9 employees
- Jarrow, United Kingdom
Launched in 2020, Vanguard Cyber Security Ltd is a cybersecurity company. They are in Jarrow, United Kingdom and have a small team. The agency provides cybersecurity.Visit SiteIndustries
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48
- $5,000+
- 10 - 49 employees
- London, United Kingdom
Lineal is a small business consulting company. Based in London, United Kingdom and Hong Kong, Hong Kong, the firm was founded in 2009. Their services include business consulting and cybersecurity.Visit SiteIndustries
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49
- $25,000+
- 10 - 49 employees
- London, United Kingdom
SnatchDigital, an IT staff augmentation company, is located in London, United Kingdom and San francisco, California. They offer IT staff augmentation, application testing, web development, cybersecurity, and more and were established in 2015.Visit SiteClients
- Playvox
- Desmond Garcia
- Specready
- NUS
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50
- $10,000+
- 50 - 249 employees
- Stanmore, United Kingdom
Micromindercs is a midsize cybersecurity company. They focus on cybersecurity, IT managed services, cloud consulting & SI, and BI & big data consulting & SI and were established in 2018. The firm is headquartered in Stanmore, United Kingdom.Visit Site -
51
- Undisclosed
- 2 - 9 employees
- Sunderland, United Kingdom
CyberWhite Limited is a cybersecurity company. Their small team is headquartered in Sunderland, United Kingdom and provides cybersecurity, IT managed services, other IT consulting and SI, and IT strategy consulting. The agency was established in 2018.Visit Site -
52
- Undisclosed
- 10 - 49 employees
- Birmingham, United Kingdom
METCLOUD is a cybersecurity company. The small Birmingham, United Kingdom-based team specializes in cybersecurity, IT managed services, and Artificial Intelligence. The firm was launched in 2017.
Visit Site -
53
- $1,000+
- 10 - 49 employees
- Edinburgh, United Kingdom
Dunedin IT, an IoT development company, was launched in 2009. Located in Edinburgh, United Kingdom, their small team focuses on IoT development, IT managed services, cybersecurity, and cloud consulting & SI.Visit SiteIndustries
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54
- $5,000+
- 2 - 9 employees
- Belfast, United Kingdom
Cloud consulting & SI and cybersecurity company Vertical Structure is located in Belfast, United Kingdom. The small team offers cloud consulting & SI and cybersecurity and was founded in 2006.Visit SiteIndustries
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55
- $1,000+
- 10 - 49 employees
- London, United Kingdom
Altahonos is a digital reputation company based in London with offices in San Francisco and Istanbul. The company, founded in 2017, has a team of more than ten that provides cybersecurity, branding, digital strategy, SEO, and IT strategy consulting services to various clients and companies.
Clients
- Jasper's Info Tech
Visit SiteNotable Project
To mitigate the illegal use of copyrighted material, an IT company hired Altahonos to identify pirated copies of their content online, and block them from using their intellectual property further.
"It was admirable of the team to explain to us how they can achieve what we wanted."
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56
- $1,000+
- 50 - 249 employees
- Manchester, United Kingdom
Techolony is a cybersecurity company in Manchester, United Kingdom. The midsize agency was launched in 2016. Their team focuses on cybersecurity, IT managed services, IT strategy consulting, and cloud consulting & SI.Visit Site -
57
- $1,000+
- 50 - 249 employees
- Warrington, United Kingdom
CloudCoCo Plc, a midsize IT managed services company, is headquartered in Warrington, United Kingdom and Birstall, United Kingdom. They provide IT managed services, cybersecurity, cloud consulting & SI, and IT strategy consulting and were founded in 2004.
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58
- $1,000+
- 2 - 9 employees
- Bootle, United Kingdom
CyberSecuritiesUK is a cybersecurity and IT managed services company in Bootle, United Kingdom. Founded in 2010, the small team focuses on cybersecurity and IT managed services.Visit Site -
59
- $1,000+
- 2 - 9 employees
- London, United Kingdom
Pxosys Ltd is a cybersecurity company headquartered in London, United Kingdom and Loures, Portugal. The small team provides cybersecurity, cloud consulting & SI, IT managed services, and IT strategy consulting. The agency was established in 2018.
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60
- Undisclosed
- 10 - 49 employees
- Leeds, United Kingdom
RapidSpike, a mobile app development company, was established in 2015. Their small team is located in Leeds, United Kingdom. Their services include mobile app development, application testing, and web development.Visit SiteIndustries
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