Top 100 Cybersecurity Companies in the United Kingdom
The Best of November 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.
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List of the Best United Kingdom Cybersecurity Consultants
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181Undisclosed2 - 9 employeesLondon, EnglandLaunched in 2015, Imperial Security is a Cybersecurity and Business Consulting company. The team specializes in Cybersecurity and Business Consulting.Read More
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182Undisclosed50 - 249 employeesExeter, EnglandNexus Open Systems Ltd is a midsize IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI and were launched in 1998.Read More
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The Met OfficeIndustries
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183$5,000+10 - 49 employeesWesthill, ScotlandG5 Technologies Ltd is a Cybersecurity company. The Westhill, Scotland-based agency specializes in Cybersecurity and IT managed services.Read More
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184Undisclosed10 - 49 employeesGodalming, EnglandLAN Support Systems Ltd is a Godalming, England-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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185Undisclosed250 - 999 employeesRoyal Leamington Spa, EnglandLRQA Nettitude is a Cybersecurity company. The New York, New York-based company specializes in Cybersecurity and IT managed services.Read More
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186$10,000+1,000 - 9,999 employeesLondon, EnglandTelefónica Tech (EN) is a Cybersecurity company. They are in London, England, and their services include Cybersecurity and IT managed services.Read More
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187$5,000+1,000 - 9,999 employeesLondon, EnglandEmagine is an IT managed services company established in 2001. The firm offers IT managed services and IT staff augmentation.Read More
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188$5,000+2 - 9 employeesChalfont Saint Peter, EnglandBAT CODERS is a Cybersecurity company. Launched in 2011, the team offers Cybersecurity and Mobile App Development. The agency is based in Chalfont Saint Peter, England.Read More
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189$1,000+2 - 9 employeesAnlaby, EnglandHeadquartered in Anlaby, England, Pera Prometheus Consulting Ltd is a Cybersecurity and Business Continuity Management company. The team offers Cybersecurity and Business Continuity Management.Read More
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190$100,000+2 - 9 employeesLondon, EnglandSoftware development firm and Cybersecurity company BLAKFRAME was founded in 2025. The small team offers Custom Software Development and Cybersecurity.Read More
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191$1,000+10 - 49 employeesHitchin, EnglandElvantix is a web design agency. They specialize in Web Design and IT strategy consulting and were launched in 2011.Read More
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192Undisclosed50 - 249 employeesNewcastle upon Tyne, EnglandCybit is a Cybersecurity company launched in 1991. Located in Newcastle upon Tyne, England and Thatcham, England, the team specializes in Cybersecurity and IT managed services.Read More
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193Undisclosed50 - 249 employeesBishop's Stortford, EnglandHeadquartered in Bishop's Stortford, England and London, England, ITVET is an IT managed services company. They provide IT managed services and Cybersecurity and were founded in 2007.Read More
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194$1,000+50 - 249 employeesDoncaster, EnglandTwentyFour IT Services Ltd, an IT managed services company, was launched in 2014. The midsize team offers IT managed services and Cybersecurity.Read More
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195Undisclosed250 - 999 employeesLondon, EnglandHeadquartered in Singapore, Singapore and Makati, Philippines, Adventus is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI.Read More
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196Undisclosed10 - 49 employeesManchester, EnglandNetMonkeys Ltd is a small IT managed services company. Launched in 2003, the agency is based in Manchester, England; Nottingham, England and London, England. Their services include IT managed services, Custom Software Development, Cybersecurity, IT strategy consulting, and more.Read More
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197Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.Read More
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198Undisclosed10 - 49 employeesBirmingham, EnglandMETCLOUD is a Cybersecurity company. They focus on Cybersecurity and IT managed services and were established in 2017. The firm is based in Birmingham, England.Read More
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199$10,000+2 - 9 employeesCilcain, WalesCybersecurity company vpntesting was launched in 2016. Headquartered in Cilcain, Wales, the team provides Cybersecurity and IT strategy consulting.Read More
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200$5,000+10 - 49 employeesLondon, EnglandLaunched in 2002, zsah Limited is a cloud consulting & SI company. The team offers cloud consulting & SI and BI & big data consulting & SI.Read More
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201$1,000+2 - 9 employeesLondon, EnglandLaunched in 2024, Coreitech is an IT managed services company. The team offers IT managed services and Cybersecurity.Read More
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202Undisclosed50 - 249 employeesMilton Keynes, EnglandBluecube Technology Solutions is a Milton Keynes, England-based IT managed services company. They offer IT managed services and Cybersecurity.Read More
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203$10,000+50 - 249 employeesMeppershall, EnglandCentrality is a Cybersecurity company. Headquartered in Meppershall, England, the firm specializes in Cybersecurity and IT strategy consulting.Read More
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204Undisclosed10 - 49 employeesBuckshaw Village, EnglandNetcentrix is an IT managed services company. The small Buckshaw Village, England-based team provides IT managed services and Cybersecurity. The firm was launched in 1995.Read More
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205Undisclosed10 - 49 employeesLeeds, EnglandSmall Application Testing company RapidSpike, is located in Leeds, England. Their services include Application Testing and Cybersecurity.Read More
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206$1,000+10 - 49 employeesLondon, EnglandMacnitech is a cloud consulting & SI company. The company is located in London, England. Their services include cloud consulting & SI and Cybersecurity.Read More
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207Undisclosed10 - 49 employeesLondon, EnglandFounded in 2018, Principle Networks Ltd, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.Read More
Clients
Hill Dickinson LLP Iris Software Hargreaves Services Plc Buzz BingoIndustries
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208$1,000+10 - 49 employeesEdinburgh, ScotlandIT managed services company Dunedin IT is based in Edinburgh, Scotland and Glasgow, Scotland. The team provides IT managed services and IT strategy consulting.Read More
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209$1,000+2 - 9 employeesAltrincham, EnglandCyphere is a small Application Testing company. Launched in 2020, the team focuses on Application Testing and Cybersecurity.Read More
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210$1,000+2 - 9 employeesBirmingham, EnglandCompex IT Ltd is a small IT managed services company founded in 2010. Their services include IT managed services and Cybersecurity.Read More
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Check out a Cybersecurity Company in United Kingdom with the most new reviews in the past 12 months.
Most Reviewed
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