Top 100 Cybersecurity Companies in the United Kingdom
The Best of September 2026Looking 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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31Undisclosed10 - 49 employeesLondon, EnglandSmall graphic design company Article Ten, is located in London, England. The team offers Graphic Design, Cybersecurity, Video Production, Branding, and more.Read More
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32$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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33$1,000+50 - 249 employeesBromsgrove, EnglandTechnical Drive is an IT managed services company. Founded in 2008, the team specializes in IT managed services, Cybersecurity, cloud consulting & SI, IT strategy consulting, and more. Their midsize firm is headquartered in Bromsgrove, England.Read More
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Groundwork Trust Birmingham Mind Westmead Hotel Norton InsuranceIndustries
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34$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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35$1,000+10 - 49 employeesLondon, EnglandCloudTech24 is a small IT managed services company. The London, England-based firm was launched in 2016. Their team specializes in IT managed services, Cybersecurity, IT strategy consulting, and other IT consulting and SI.Read More
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36$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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37Undisclosed2 - 9 employeesLondon, EnglandHookPhish is a small cybersecurity company launched in 2024. Their services include cybersecurity. The agency is headquartered in London, United Kingdom.Read More
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38$25,000+2 - 9 employeesFinchampstead, EnglandRead More
Melmac Solutions Limited is a cybersecurity company. Launched in 1995, the small agency is located in Finchampstead, United Kingdom. Their services include cybersecurity, blockchain, and financial advising & planning.
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39$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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40$100,000+50 - 249 employeesAbbeymead, EnglandFounded in 2007, SN SKIES PRIVATE LIMITED is a midsize IT managed services company. Their services include IT managed services, cybersecurity, IT strategy consulting, custom software development, and more. The agency is located in Islamabad, Pakistan; رأس الخيمة, United Arab Emirates; Abbeymead, United Kingdom and Lahore, Pakistan.Read More
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41$10,000+10 - 49 employeesLondon, EnglandCrypto Legal is a Blockchain company launched in 2017. The agency specializes in Blockchain, Cybersecurity, Internet & Technology Law, Accounting, and more and has a small team. The agency is headquartered in London, England.Read More
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42$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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43$5,000+2 - 9 employeesLondon, EnglandKavix is a Cybersecurity company. Their small team is in London, England. The company offers Cybersecurity, IT managed services, and other IT consulting and SI. The company was established in 2026.Read More
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44$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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45$50,000+1,000 - 9,999 employeesAntrim, North Ireland, Northern IrelandRead More
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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46$25,000+10,000+ employeesLyne, EnglandPersistent 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.Read More
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47$1,000+10 - 49 employeesEdinburgh, ScotlandRead More
Managed IT Experts Ltd. Is a small CRM consulting and SI company. The Edinburgh, United Kingdom-based company was established in 2005. Their services include CRM consulting and SI, IT managed services, cybersecurity, BI & big data consulting & SI, and more.
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48$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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49Undisclosed2 - 9 employeesSheffield, EnglandHyperscale Consulting is a Cybersecurity company. Established in 2025, the team offers Cybersecurity, cloud consulting & SI, and DevOps Managed Services. Their small agency is Sheffield, England-based.Read More
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50$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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51$5,000+10 - 49 employeesLeatherhead, EnglandComputer Care, a IT strategy consulting company, is located in Leatherhead, United Kingdom. The small team focuses on IT strategy consulting, cloud consulting & SI, cybersecurity, and IT managed services and was established in 2001.Read More
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52$10,000+1,000 - 9,999 employeesBourne End, EnglandRead More
Pomeroy is an IT infrastructure solutions company based in Hebron, KY, with offices in Bourne End, UK, Pittsburgh, PA, and New York. Since it was founded in 1982, the team has grown to over 3,00 employees. Pomeroy provides IT managed services, non-voice BPO/back office services, and cybersecurity capabilities.
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53$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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54$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.
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55$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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56$25,000+50 - 249 employeesLondon, EnglandCloudcomputing is a Cybersecurity company. The midsize Lisboa, Portugal-based team offers Cybersecurity. The company was launched in 2010.Read More
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57$5,000+10 - 49 employeesManchester, EnglandCloud4 Technology Ltd is an IT managed services company established in 2009. The small team offers IT managed services, Cybersecurity, cloud consulting & SI, IT strategy consulting, and more. The firm is headquartered in Manchester, England and Warrington, England.Read More
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58$5,000+50 - 249 employeesLondon, EnglandWavex Technology Ltd, an IT managed services company, was established in 1998. The firm offers IT managed services, cloud consulting & SI, IT strategy consulting, Cybersecurity, and more and has a midsize team. The firm is in London, England.Read More
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59$25,000+1,000 - 9,999 employeesLondon, EnglandNetsol Technologies Inc. Is a Cybersecurity company. Based in Los Angeles, California and London, England, the team specializes in Cybersecurity and cloud consulting & SI.Read More
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60$10,000+10 - 49 employeesStaines-upon-Thames, EnglandIntelance - Technology, AI and cyber advisory and assurance is a Cybersecurity company. Their small team is located in Staines-upon-Thames, England and focuses on Cybersecurity, IT strategy consulting, AI Consulting, Custom Software Development, and more. The agency was established in 2017.Read More
Industries
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