Top 100 Cybersecurity Companies in the United Kingdom
The Best of May 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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361Undisclosed250 - 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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362Undisclosed50 - 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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363Undisclosed1,000 - 9,999 employeesCrawley, EnglandSpirent 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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364Undisclosed250 - 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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365Undisclosed50 - 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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366Undisclosed2 - 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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367Undisclosed250 - 999 employeesVerdant, ScotlandQuorum Cyber is a midsize Tampa, Florida-based Cybersecurity company. Their services include Cybersecurity.Read More
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368Undisclosed10 - 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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369Undisclosed50 - 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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370Undisclosed250 - 999 employeesSalford, EnglandCloudM is a midsize Salford, England-based Cybersecurity company. The team offers Cybersecurity.Read More
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371Undisclosed10 - 49 employeesManchester, EnglandHedgehog Security is a Cybersecurity company. The firm is in Manchester, England. Their services include Cybersecurity.Read More
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372Undisclosed2 - 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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373Undisclosed250 - 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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374Undisclosed50 - 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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375Undisclosed2 - 9 employeesCirencester, EnglandCybersecurity company Accelerate Technologies Ltd offers Cybersecurity and IT managed services. They were established in 2019.Read More
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376Undisclosed50 - 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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377Undisclosed10 - 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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378Undisclosed2 - 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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379Undisclosed2 - 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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380Undisclosed10 - 49 employeesLondon, EnglandJUMPSEC Ltd is a Cybersecurity company founded in 2012. Their team specializes in Cybersecurity.Read More
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381Undisclosed50 - 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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382Undisclosed2 - 9 employeesGainsborough, EnglandCybersecurity company Practical Infosec is based in Gainsborough, England. They specialize in Cybersecurity.Read More
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383Undisclosed2 - 9 employeesManchester, EnglandCybersecurity company RM Information Security specializes in Cybersecurity. They were launched in 2015.Read More
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384Undisclosed2 - 9 employeesLondon, EnglandIn London, England, The Hack Angels Recoveries Company is a small Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
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385$1,000+2 - 9 employeesLiverpool , EnglandLaunched in 2015, SPARKZ NETWORK LIMITED is a small web design company. Their team specializes in Web Design and Branding.Read More
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386$5,000+10 - 49 employeesStevenage, EnglandIT managed services company Primenet was launched in 1998. The firm focuses on IT managed services and Cybersecurity.Read More
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387Undisclosed10 - 49 employeesBirmingham, EnglandIT managed services company Moremicro was established in 2014. Based in Birmingham, England, the team offers IT managed services and IT strategy consulting.Read More
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388$1,000+10 - 49 employeesCity of London, EnglandFounded in 2015, Magnetar IT is an IT managed services company. The team offers IT managed services and cloud consulting & SI and is in City of London, England and Royal Leamington Spa, England.Read More
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389$10,000+10 - 49 employeesLondon, EnglandHeadquartered in München, Germany and London, England, ACATO Europe is a Compliance Consulting company. Their services include Compliance Consulting and Business Consulting.Read More
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390$5,000+10 - 49 employeesRotherham, EnglandBalliante is an IT strategy consulting company founded in 2019. In Rotherham, England and Middlesbrough, England, the team specializes in IT strategy consulting and BI & big data consulting & SI.Read More
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Check out a Cybersecurity Company in United Kingdom with the most new reviews in the past 12 months.
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