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.
Jump to Most Reviewed Companies
List of the Best United Kingdom Cybersecurity Consultants
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571Undisclosed10 - 49 employeesLondon, EnglandLocated in London, England, Logicata is a small cloud consulting & SI company. Their services include cloud consulting & SI and IT managed services.Read More
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572Undisclosed50 - 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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573UndisclosedFreelancer employeesBudbrooke, EnglandIn Budbrooke, England, Erryn IO is a Cybersecurity company. They offer Cybersecurity and IT strategy consulting and were founded in 2026.Read More
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574$5,000+2 - 9 employeesLeeds, EnglandIT strategy consulting company Afinite was launched in 2002. The small team provides IT strategy consulting and IT managed services.Read More
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575Undisclosed2 - 9 employeesGreenside, EnglandMunki computer Help, an IT strategy consulting company, was established in 2017. The firm specializes in IT strategy consulting and IT managed services.Read More
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576$10,000+2 - 9 employeesManchester, EnglandDolus Security is a small Application Testing company established in 2024. Their services include Application Testing and Cybersecurity.Read More
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577$5,000+2 - 9 employeesManchester, EnglandWhatweb is a cloud consulting & SI company located in Manchester, England. They offer cloud consulting & SI and Cybersecurity.Read More
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578$1,000+2 - 9 employeesSunbury-on-Thames, EnglandDigital Strategy company Tritactltd was founded in 2024. The firm offers Digital Strategy and IT strategy consulting, and is small.Read More
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579Undisclosed2 - 9 employeesGreat Oakley, EnglandEVCO Services is a small IT strategy consulting company. They offer IT strategy consulting and unified communications consulting & SI and were founded in 2023.Read More
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580$10,000+2 - 9 employeesLondon, EnglandIn London, England, Altidia Consulting is a small IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
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581$1,000+2 - 9 employeesHuddersfield, EnglandYiontech is a Huddersfield, England-based UX agency. The team focuses on UX/UI Design and cloud consulting & SI.Read More
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582$1,000+2 - 9 employeesNew Malden, EnglandVMR Check is a small IT strategy consulting company in New Malden, England and Southall, England. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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583$1,000+2 - 9 employeesBedford, EnglandIT strategy consulting company PublicTec was established in 2021. The company provides IT strategy consulting and cloud consulting & SI, and is small.Read More
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584Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2023, Dream Delegate is a SEO agency. The team offers Search Engine Optimization and Cybersecurity.Read More
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585$1,000+2 - 9 employeesScunthorpe, EnglandBased in Scunthorpe, England, Trentline is an IT strategy consulting company. They specialize in IT strategy consulting and Cybersecurity and were founded in 2025.Read More
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586Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2025, Cloudline Consulting is a Cybersecurity company. The agency provides Cybersecurity and cloud consulting & SI.Read More
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587Undisclosed2 - 9 employeesBillericay, EnglandInfo-Power is a cloud consulting & SI company. They were established in 1999 and specialize in cloud consulting & SI and IT managed services.Read More
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588Undisclosed2 - 9 employeesLondon, EnglandHaxashield IT & Cyber Solutions is an IT managed services company in London, England. They offer IT managed services and Cybersecurity and were established in 2024.Read More
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589Undisclosed2 - 9 employeesStamford, EnglandQL Security is an AI Consulting company headquartered in Stamford, England. They provide AI Consulting and Cybersecurity and were established in 2025.Read More
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590$5,000+2 - 9 employeesLondon, EnglandIT strategy consulting company Cognoscere Associates Limited is based in London, England. The team specializes in IT strategy consulting and AI Consulting.Read More
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591Undisclosed2 - 9 employeesRosyth, ScotlandShadowStackTechnology Ltd. Is an IT managed services company. In Rosyth, Scotland, the agency was established in 2026. Their services include IT managed services and Web Design.Read More
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592$1,000+2 - 9 employeesLeicester, EnglandFounded in 1989, ComputerLink, a small IT managed services company, is located in Leicester, England. Their services include IT managed services and Cybersecurity.Read More
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593$1,000+Freelancer employeesStirling, ScotlandAesthetic Web Designs is a website development firm. Their small team is based in Stirling, Scotland. Their services include Web Development and E-Commerce Development.Read More
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594$1,000+10 - 49 employeesWidnes, EnglandNP - Managed Technology Services & Solutions is a small Widnes, England-based IT managed services company. The team specializes in IT managed services and cloud consulting & SI.Read More
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595$25,000+10 - 49 employeesLondon, EnglandElecti Consulting is an AI development company. Established in 2017, the team provides Artificial Intelligence and Blockchain. The agency is based in London, England and Λεμεσός, Cyprus.Read More
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596$10,000+10 - 49 employeesLondon, EnglandPeru Consulting Ltd is an Enterprise App Modernization company. They offer Enterprise App Modernization and BI & big data consulting & SI and were founded in 2012.Read More
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597$25,000+10 - 49 employeesAltham, EnglandSundown Solutions is an IT managed services company. Founded in 2008, their team specializes in IT managed services and IT strategy consulting.Read More
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598$5,000+10 - 49 employeesLondon, EnglandIT managed services company H2o Networks specializes in IT managed services and cloud consulting & SI. They were founded in 2004.Read More
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599$1,000+10 - 49 employeesExeter, EnglandIT Champion Ltd is an IT managed services company. The team specializes in IT managed services and IT strategy consulting and is in Exeter, England and London, England.Read More
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600Undisclosed10 - 49 employeesBasildon, EnglandBrendata UK LTD is a custom software development firm launched in 1992. The agency provides Custom Software Development and Web Design.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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