Top 100 Cybersecurity Companies in England
The Best of October 2026Looking 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.
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List of the Best England Cybersecurity Consultants
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271Undisclosed2 - 9 employeesLeicester , EnglandBerea is a Cybersecurity company. The team focuses on Cybersecurity, and the agency is headquartered in Leicester , England.Read More
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272$1,000+1,000 - 9,999 employeesLondon, EnglandEmagine Consulting is a big data analytics company headquartered in London, England and Nanterre, France. They focus on BI & big data consulting & SI and Cybersecurity and were launched in 1994.Read More
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273$1,000+2 - 9 employeesSalford, EnglandLaunched in 2016, Defendza is a Cybersecurity company. The team provides Cybersecurity and IT strategy consulting.Read More
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274Undisclosed50 - 249 employeesLondon, EnglandRavelin Technology is an AI company and Cybersecurity company. They were launched in 2014, and their services include Artificial Intelligence and Cybersecurity.Read More
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275Undisclosed50 - 249 employeesBishop’s Stortford, EnglandSeceon Inc. Is a midsize artificial intelligence firm and Cybersecurity company. Launched in 2014, the team focuses on Artificial Intelligence and Cybersecurity.Read More
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276Undisclosed10 - 49 employeesCity of London, EnglandISTARI, a Cybersecurity company, was established in 2020. The team provides Cybersecurity and IT managed services.Read More
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277Undisclosed2 - 9 employeesCity of London, EnglandCybersecurity company Identiom Limited is headquartered in City of London, England. Their services include Cybersecurity and IT managed services.Read More
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278Undisclosed50 - 249 employeesCity of London, EnglandCrossword Cybersecurity Plc is a Cybersecurity company. The City of London, England-based agency was founded in 2014. Their team offers Cybersecurity and IT managed services.Read More
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279Undisclosed10 - 49 employeesBishops Cleeve, EnglandDark Rhino Security, a Cybersecurity company, is in Dublin, Ohio and Bishops Cleeve, England. Launched in 2017, the team focuses on Cybersecurity.Read More
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280Undisclosed50 - 249 employeesLondon, EnglandLaunched in 2011, ThreatSpike Labs is a midsize Cybersecurity company based in London, England. Their team specializes in Cybersecurity.Read More
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281Undisclosed250 - 999 employeesOxford, EnglandNominet is an Oxford, England-based Cybersecurity company. Launched in 1996, the team specializes in Cybersecurity.Read More
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282Undisclosed10 - 49 employeesLondon, EnglandHeadquartered in London, England, Darklabs is a small Cybersecurity company. Their services include Cybersecurity.Read More
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283Undisclosed250 - 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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284Undisclosed250 - 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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285Undisclosed50 - 249 employeesLondon , EnglandDarkbeam is a midsize Cybersecurity company launched in 2017. Their team specializes in Cybersecurity.Read More
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286Undisclosed50 - 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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287Undisclosed10 - 49 employeesLondon, EnglandOrpheus Cyber, a Cybersecurity company, is based in London, England and McLean, Virginia. The team focuses on Cybersecurity.Read More
Industries
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288Undisclosed50 - 249 employeesAylesbury, EnglandRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.Read More
Industries
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289Undisclosed250 - 999 employeesCity of London, EnglandCybersecurity 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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290Undisclosed2 - 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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291Undisclosed10 - 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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292Undisclosed50 - 249 employeesPortsmouth, EnglandSearchlight Cyber is a Cybersecurity company. They are based in Portsmouth, England and have midsize team. They focus on Cybersecurity.Read More
Industries
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293Undisclosed250 - 999 employeesSalford, EnglandCloudM is a midsize Salford, England-based Cybersecurity company. The team offers Cybersecurity.Read More
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294Undisclosed10 - 49 employeesManchester, EnglandHedgehog Security is a Cybersecurity company. The firm is in Manchester, England. Their services include Cybersecurity.Read More
Industries
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295Undisclosed250 - 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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296Undisclosed50 - 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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297Undisclosed10 - 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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298Undisclosed2 - 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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299Undisclosed50 - 249 employeesNottingham, EnglandNexor is a Cybersecurity company. The firm is based in Nottingham, England. Their services include Cybersecurity and IT managed services.Read More
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300Undisclosed2 - 9 employeesGainsborough, EnglandCybersecurity company Practical Infosec is based in Gainsborough, England. They specialize in Cybersecurity.Read More
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