Top 100 Cybersecurity Companies in the United Kingdom
The Best of April 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.
Jump to Most Reviewed Companies
List of the Best United Kingdom Cybersecurity Consultants
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541$1,000+Freelancer employeesNewcastle upon Tyne, EnglandEstablished in 2023, Boxwire Technology Solutions is a small IT managed services company in Newcastle upon Tyne, England. Their team provides IT managed services and IT strategy consulting.Read More
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542$10,000+2 - 9 employeesCanary Wharf, EnglandSoftware Major is a software development company and Cybersecurity company established in 2005. The firm specializes in Custom Software Development and Cybersecurity, and is small.Read More
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543Undisclosed2 - 9 employeesLondon, EnglandTeskaLabs is an IoT development and Cybersecurity company established in 2014. The small team offers IoT development and Cybersecurity.Read More
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544Undisclosed2 - 9 employeesBirmingham, EnglandDeplogy is an AI firm and Cybersecurity company. They offer Artificial Intelligence and Cybersecurity and were founded in 2013.Read More
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545$10,000+10 - 49 employeesLondon, EnglandM Solutions, a small Cybersecurity company, is based in London, England. The team offers Cybersecurity and Custom Software Development.Read More
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546$10,000+10 - 49 employeesLondon, EnglandTetra Technology, an user experience design agency, was launched in 2018. The agency specializes in UX/UI Design and BI & big data consulting & SI.Read More
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547$1,000+10 - 49 employeesManchester, EnglandHavilah Blockchain Studios is a Blockchain company. Located in Awka, Nigeria, their small team specializes in Blockchain and Branding. The agency was established in 2022.Read More
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548$1,000+10 - 49 employeesDartford, EnglandCloudBunch is a cloud consulting & SI company located in Dartford, England. Launched in 2021, the team provides cloud consulting & SI and IT staff augmentation.Read More
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549$10,000+10 - 49 employeesDunstable, EnglandTechAll Solutions is an IT strategy consulting company. Headquartered in Dunstable, England, the company was established in 2024. Their services include IT strategy consulting and IT managed services.Read More
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550Undisclosed50 - 249 employeesCity of London, EnglandIT strategy consulting company Cardonet was launched in 1999. The team offers IT strategy consulting and Cybersecurity.Read More
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551UndisclosedFreelancer employeesManchester, EnglandIT strategy consulting company Jackdjd was launched in 2025. The team focuses on IT strategy consulting and IT managed services.Read More
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552Undisclosed2 - 9 employeesManchester, EnglandSectech Solutions is a branding agency. The firm is based in Manchester, England. Their services include Branding and Public Relations.Read More
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553Undisclosed2 - 9 employeesBirmingham, EnglandUniversal Infosys UK Ltd is a small IT strategy consulting company in Birmingham, England. The team offers IT strategy consulting and IT managed services.Read More
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554Undisclosed2 - 9 employeesLondon, EnglandArthur Russell Group is a big data analytics company founded in 2024. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
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555$1,000+2 - 9 employeesLondon, EnglandBlue Verge Digital Ltd is an Email Marketing company. The London, England-based company was established in 2024. Their services include Email Marketing and Search Engine Optimization.Read More
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556Undisclosed2 - 9 employeesLondon, EnglandBlackgate Tech is an IT managed services company. Established in 2026, the team specializes in IT managed services and AI Agents. The agency is in London, England.Read More
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557Undisclosed10 - 49 employeesKings Hill, EnglandIT Backbone Limited, an IT managed services company, specialize in IT managed services and Cybersecurity. They were launched in 2008.Read More
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558Undisclosed10 - 49 employeesCity of London, EnglandSSL247 is a Cybersecurity company. Founded in 2003, the team focuses on Cybersecurity and BI & big data consulting & SI. The agency is located in City of London, England.Read More
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559Undisclosed10 - 49 employeesLondon, EnglandGrouper is a CRM consulting and SI company. Headquartered in Dublin, Ireland and London, England, the team focuses on CRM consulting and SI and Cybersecurity.Read More
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560Undisclosed10 - 49 employeesLinton, EnglandCybersecurity company Mannassi IT Solutions was launched in 1996. The firm provides Cybersecurity and IT managed services, and is small.Read More
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561UndisclosedFreelancer employeesBilston, EnglandEstablished in 2024, ASITSERVICES is an IT managed services company. The team provides IT managed services and IT strategy consulting and is headquartered in Bilston, England.Read More
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562$5,000+Freelancer employeesEsher, EnglandAlchemy Consulting Services Ltd is an IT strategy consulting company. They provide IT strategy consulting and AI Consulting and were established in 2024.Read More
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563Undisclosed250 - 999 employeesAltrincham, EnglandData analytics company Matillion is headquartered in Denver, Colorado and Altrincham, England. They specialize in BI & big data consulting & SI and IT managed services.Read More
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564Undisclosed250 - 999 employeesLondon, EnglandKekst CNC, a PR firm, was founded in 2018. The midsize team specializes in Public Relations and Litigation Support Services.Read More
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565Undisclosed250 - 999 employeesBirmingham, EnglandResillion, an Application Testing company, was launched in 2022. The midsize team focuses on Application Testing and Computer Engineering.Read More
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566Undisclosed250 - 999 employeesShoreham-by-Sea, EnglandFocus Group , a cloud consulting & SI company, provide cloud consulting & SI and unified communications consulting & SI. They were founded in 2003.Read More
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567Undisclosed250 - 999 employeesCity of London, EnglandInnoWave is a Cybersecurity company launched in 2008. Their team focuses on Cybersecurity and UX/UI Design.Read More
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568Undisclosed250 - 999 employeesLondon, EnglandRoboyo is a midsize London, England-based Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
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569Undisclosed250 - 999 employeesCity of London, EnglandIn City of London, England and Birmingham, England, Computer Futures is a cloud consulting & SI company. Founded in 1986, the team provides cloud consulting & SI and CRM consulting and SI.Read More
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570Undisclosed50 - 249 employeesGloucestershire, EnglandRipjar is an AI development company. Established in 2012, the firm is based in Gloucestershire, England. Their services include Artificial Intelligence and BI & big data consulting & SI.Read More
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