Top 100 Cybersecurity Companies in England
The Best of December 2025Looking for a top cybersecurity consultant in England?
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 England. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best England Cybersecurity Consultants
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1$5,000+50 - 249 employeesLondon, EnglandLocated in London, England and Düsseldorf, Germany, Transputec Ltd is a Cybersecurity company. The midsize agency was launched in 1986. Their services include Cybersecurity, IT managed services, Artificial Intelligence, cloud consulting & SI, and more.Read More
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2$25,000+50 - 249 employeesSalford, EnglandIn Salford, England; London, England and Houston, Texas, Digiryte is a cloud consulting & SI company. They focus on cloud consulting & SI, Mobile App Development, Custom Software Development, Digital Strategy, and more and were founded in 2016.Read More
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NHSIndustries
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3$5,000+10 - 49 employeesLondon, EnglandLaunched in 2012, Texaport is an IT managed services company. The small team provides IT managed services, Cybersecurity, cloud consulting & SI, IT strategy consulting, and more. The firm is headquartered in Edinburgh, Scotland; Glasgow, Scotland; London, England and Manchester, England.Read More
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4Undisclosed50 - 249 employeesLondon, EnglandBreachLock Inc is an Application Testing company. Launched in 2019, the midsize agency is based in New York, New York; Amsterdam, Netherlands and London, England. Their team offers Application Testing, Cybersecurity, and DevOps Managed Services.Read More
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5$1,000+10 - 49 employeesBradford on Avon, EnglandRead More
Established in 1999, Systemagic Ltd is an IT managed services company. The firm offers IT managed services, cloud consulting & SI, cybersecurity, and IT strategy consulting and has a small team. The firm is located in Bradford on Avon, United Kingdom and London, United Kingdom.
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6$5,000+10 - 49 employeesClayton-le-Woods, EnglandHeadquartered in Clayton-le-Woods, England, FluidOne - Chorley is an IT managed services company. Founded in 2001, the small team offers IT managed services, IT strategy consulting, and Cybersecurity.Read More
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7$1,000+50 - 249 employeesColden Common, EnglandEvalian, a Cybersecurity company, is in Colden Common, England; London, England and Worcester, England. The midsize team specializes in Cybersecurity and was founded in 2017.Read More
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AlliantsIndustries
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8$50,000+1,000 - 9,999 employeesLeeds, EnglandRead More
Headquartered in Leeds, United Kingdom, BJSS is an IT consultancy with offices in London, New York, and Bristol and Manchester, U.K. Since 1993, their team of 750+ has specialized in custom software development, application testing, IT strategy consulting, and more for enterprise-level and midmarket clients.
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EuroclearIndustries
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9Undisclosed10 - 49 employeesLondon, EnglandRead More
HewardMills is a Data Protection Office (DPO) services company based in London with offices in Dublin, San Francisco, Berlin, and Zurich. The company has a team of more than 30 that provides business consulting, cybersecurity, and corporate training services to various companies.
Clients
Monzo -
10$25,000+50 - 249 employeesLondon, EnglandRead More
Esynergy is a big data analytics company. They are headquartered in London, United Kingdom and have a midsize team. Their services include BI & big data consulting & SI, cloud consulting & SI, custom software development, mobile app development, and more.
Industries
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11$1,000+10 - 49 employeesLondon, EnglandRead More
Smartdesc is a London-based IT company with a team of fewer than 50 people. Founded in 2011, they offer IT strategy consulting, cloud consulting, and cybersecurity solutions for small and mid-market businesses, primarily non-profit organizations.
Clients
MindIndustries
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12$1,000+10 - 49 employeesLondon, EnglandArticle Ten, a graphic design agency, was established in 2008. The firm specializes in Graphic Design, Cybersecurity, Video Production, Branding, and more and has a small team. The firm is headquartered in London, England.Read More
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13$1,000+2 - 9 employeesMiddlesbrough, EnglandNorth IT is a Middlesbrough, United Kingdom-based cybersecurity company. The small agency was launched in 2012. Their team specializes in cybersecurity.Read More
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14$1,000+10 - 49 employeesLIVERPOOL, EnglandLaskon Technologies, a Cybersecurity company, was founded in 2020. The firm provides Cybersecurity, Custom Software Development, Artificial Intelligence, Business Consulting, and more and has a small team.Read More
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15$5,000+10 - 49 employeesSheffield, EnglandRead More
PAV I.T. Services is an IT company in Leeds and Burgess Hill, England. Founded in 1988, they have about 33 employees that serve mostly small-business and midmarket clients in the automotive, legal, and financial sectors. Services include IT managed services, cloud consulting, and IT strategy consulting.
Clients
Stevensdrake solicitorsIndustries
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16$5,000+10 - 49 employeesBillericay, EnglandClear Thinking IT Solutions is an IT managed services company. Launched in 2009, the small firm is headquartered in Billericay, England; Tower Bridge Rd, England; Basildon, England and City of London, England. Their team focuses on IT managed services, Cybersecurity, and IT strategy consulting.Read More
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17$10,000+2 - 9 employeesFarnborough, EnglandRead More
ACUMED Consulting Ltd is a data science and business analytics consultancy based in Hook, U.K. The consultancy, founded in 2010, has a team of less than ten that provides BI & big data consulting & SI, cybersecurity, AI, business consulting, and other application development services. ACUMED Consulting serves small and mid-market companies in various industries that include gaming, advertising & marketing, and health care & medical.
Clients
RIOT GamesIndustries
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18$1,000+10 - 49 employeesLondon, EnglandTWC IT Solutions is an IT managed services company in London, England; Jersey City, New Jersey and Central, Hong Kong. The small team offers IT managed services, IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, and more and was launched in 2011.Read More
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19$25,000+2 - 9 employeesLondon, EnglandHeadquartered in London, England, Line20 Digital is a website development firm. They offer Web Development, Cybersecurity, Web Design, and UX/UI Design and were launched in 2016.Read More
Clients
IGN Entertainment - Ziff DavisIndustries
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20$5,000+50 - 249 employeesScunthorpe, EnglandThe HBP Group is a midsize IT managed services company based in Scunthorpe, England and Peterborough, England. The team offers IT managed services and IT strategy consulting.Read More
Clients
R&G Fluid Power Group BetterYou Black Onyx Concepts GCH CorporationIndustries
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21$25,000+1,000 - 9,999 employeesMilton, EnglandDarktrace is a Milton, England-based Cybersecurity company. Founded in 2013, the team provides Cybersecurity.Read More
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22$10,000+10 - 49 employeesLeeds, EnglandRead More
Founded in 2010, NewRedo Ltd. is a software development company headquartered in Leeds, England. Their team of under 10 serves businesses of all sizes in industries such as healthcare, financial services, and government. Services include custom software development, IT managed services, and mobile app development.
Clients
RaceBestIndustries
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23$1,000+10 - 49 employeesLondon, EnglandRead More
Helpdesk Heroes is an IT managed services company. The small London, United Kingdom-based agency was launched in 2016. Their team focuses on IT managed services, cybersecurity, other IT consulting and SI, and IT staff augmentation.
Industries
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24$1,000+10 - 49 employeesLondon, EnglandRead More
Teceze Ltd is a London-based IT company founded in 2012 with more than 10 employees. They are experts in IT strategy consulting, cybersecurity, and IT managed services for clients that work in the industries of business services, consumer products, and more.
Clients
Outsell, Inc.Industries
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25$10,000+10 - 49 employeesStaines-upon-Thames, EnglandIntelance – Enterprise Architecture & Cybersecurity Consultancy is an IT strategy consulting company launched in 2017. The agency provides IT strategy consulting, Cybersecurity, IT managed services, Custom Software Development, and more and has a small team. The agency is located in Staines-upon-Thames, England.Read More
Industries
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26$1,000+2 - 9 employeesWembley, EnglandVUPAX Solutions Limited, an user experience design company, was founded in 2025. Their small team is based in Wembley, England. Their services include UX/UI Design, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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27Undisclosed10 - 49 employeesBarlborough, EnglandAAG is an IT managed services company. Their small team is in Barlborough, United Kingdom and Sheffield, United Kingdom and focuses on IT managed services, IT strategy consulting, and cybersecurity. The firm was established in 2009.Read More
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28Undisclosed1,000 - 9,999 employeesLondon, EnglandRead More
BSI Group is an IT firm headquartered in London. Their midsized team specializes in cybersecurity, IT strategy consulting, and business consulting.
Clients
MED49 -
29Undisclosed10 - 49 employeesHarrogate, EnglandData Connect Group is a Cybersecurity company. Their small team is located in Harrogate, England. Their services include Cybersecurity.Read More
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30$1,000+10 - 49 employeesManchester, EnglandRead More
Apex Computing Services Ltd is an IT managed services company. Their small team is headquartered in Manchester, United Kingdom and Salford, United Kingdom. The company offers IT managed services, IT strategy consulting, cloud consulting & SI, and cybersecurity. The company was launched in 2003.
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