Top 100 Cybersecurity Companies in the United Kingdom
The Best of December 2025Looking 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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301Undisclosed250 - 999 employeesOldbury, EnglandA&O IT Group is a Cybersecurity company headquartered in Oldbury, England. They focus on Cybersecurity and were founded in 1963.Read More
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302Undisclosed250 - 999 employeesCity of London, EnglandLaunched in 2014, Contino is a cloud consulting & SI and Cybersecurity company. The company focuses on cloud consulting & SI and Cybersecurity, and is midsize.Read More
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303Undisclosed250 - 999 employeesLondon, EnglandKocho is a Cybersecurity and IT managed services company founded in 2001. The midsize team offers Cybersecurity and IT managed services.Read More
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304Undisclosed10 - 49 employeesCity of London, EnglandAppsecco is a Cybersecurity company launched in 2015. The company provides Cybersecurity.Read More
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305Undisclosed50 - 249 employeesLondon , EnglandDarkbeam is a midsize Cybersecurity company launched in 2017. Their team specializes in Cybersecurity.Read More
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306Undisclosed2 - 9 employeesCity of London, EnglandEstablished in 2013, Cyber Sentinel is a Cybersecurity company. The agency specializes in Cybersecurity, and is small.Read More
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307Undisclosed2 - 9 employeesFrankfurt am Main, GermanyLaunched in 2015, Cobwebs Technologies is a small Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More
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308Undisclosed50 - 249 employeesDoncaster, EnglandDigitalXRAID is a cloud consulting & SI and Cybersecurity company. The Doncaster, England-based company provides cloud consulting & SI and Cybersecurity.Read More
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309Undisclosed10 - 49 employeesLondon, EnglandOrpheus Cyber, a Cybersecurity company, is based in London, England and McLean, Virginia. The team focuses on Cybersecurity.Read More
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310Undisclosed2 - 9 employeesKirkintilloch, ScotlandFairtech Sol Limited is a Cybersecurity company. They are headquartered in Kirkintilloch, Scotland and have small team. They provide Cybersecurity.Read More
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311Undisclosed1,000 - 9,999 employeesBracknell, EnglandGlobal Knowledge is a cloud consulting & SI company founded in 1995. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
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312Undisclosed250 - 999 employeesLondon, EnglandCamms is a Cybersecurity and Business Consulting company. Established in 1996, the agency specializes in Cybersecurity and Business Consulting.Read More
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313Undisclosed50 - 249 employeesAylesbury, EnglandRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.Read More
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314Undisclosed1,000 - 9,999 employeesSan Jose, CASpirent Communications is a Cybersecurity company in San Jose, California and Beijing, China. They offer Cybersecurity and IT managed services and were launched in 1936.Read More
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315Undisclosed250 - 999 employeesEdinburgh, ScotlandCybersecurity company Adarma Security is located in Edinburgh, Scotland and City of London, England. Their services include Cybersecurity and BI & big data consulting & SI.Read More
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316Undisclosed50 - 249 employeesLondon, EnglandOccamSec, a midsize Cybersecurity company, is in New York, New York and London, England. Their services include Cybersecurity.Read More
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317Undisclosed2 - 9 employeesHorsham, EnglandCybersecurity company PocketSIEM is located in Horsham, England. They specialize in Cybersecurity and were established in 2019.Read More
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318Undisclosed250 - 999 employeesVerdant, ScotlandQuorum Cyber is a midsize Tampa, Florida-based Cybersecurity company. Their services include Cybersecurity.Read More
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319Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2014, ConvergentDS LLC is a small Cybersecurity company. Their services include Cybersecurity and IT strategy consulting.Read More
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320Undisclosed50 - 249 employeesPortsmouth, EnglandSearchlight Cyber is a Cybersecurity company. They are based in Portsmouth, England and have midsize team. They focus on Cybersecurity.Read More
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321Undisclosed250 - 999 employeesSalford, EnglandCloudM is a midsize Salford, England-based Cybersecurity company. The team offers Cybersecurity.Read More
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322Undisclosed10 - 49 employeesManchester, EnglandHedgehog Security is a Cybersecurity company. The firm is in Manchester, England. Their services include Cybersecurity.Read More
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323Undisclosed2 - 9 employeesEdinburgh, ScotlandCybersecurity company Rozygos Ltd is headquartered in Edinburgh, Scotland. They specialize in Cybersecurity and were founded in 2017.Read More
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324Undisclosed250 - 999 employeesLondon, EnglandIntegrity360 is a Cybersecurity company. The Dublin 18, Ireland-based firm was founded in 2005. Their team provides Cybersecurity and IT managed services.Read More
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325Undisclosed50 - 249 employeesLiverpool, EnglandMidsize Cybersecurity company IriusRisk, is headquartered in Alpharetta, Georgia and Liverpool, England. The team specializes in Cybersecurity and Artificial Intelligence.Read More
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326Undisclosed2 - 9 employeesCirencester, EnglandCybersecurity company Accelerate Technologies Ltd offers Cybersecurity and IT managed services. They were established in 2019.Read More
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327Undisclosed50 - 249 employeesManchester, EnglandEmergeCyber, a Cybersecurity company, is located in Manchester, England. They offer Cybersecurity and were launched in 2015.Read More
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328Undisclosed10 - 49 employeesBirmingham, EnglandEquilibrium Security is a Birmingham, England-based Cybersecurity company. Their services include Cybersecurity and Corporate Training & Coaching.Read More
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329Undisclosed2 - 9 employeesBirmingham, EnglandIronshare is a Cybersecurity company. Their small team is headquartered in Birmingham, England. Their services include Cybersecurity and IT managed services.Read More
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330Undisclosed2 - 9 employeesBirmingham, EnglandJC Cyber Security Services is a small Cybersecurity company in Birmingham, England. The team focuses on Cybersecurity.Read More
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