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.
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List of the Best United Kingdom Cybersecurity Consultants
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421Undisclosed2 - 9 employeesLeigh, EnglandExpress IT is a small IT strategy consulting company. Founded in 2011, the team provides IT strategy consulting and cloud consulting & SI.Read More
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422Undisclosed50 - 249 employeesLivingston , ScotlandCapito Ltd is a midsize Livingston , Scotland-based IT strategy consulting company. The team provides IT strategy consulting and cloud consulting & SI.Read More
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423$1,000+50 - 249 employeesHandforth, EnglandFrontline Consultancy, an ERP consulting and SI company, was launched in 1991. Headquartered in Handforth, England, the team provides ERP consulting and SI and IT managed services.Read More
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424UndisclosedFreelancer employeesBrighton and Hove, EnglandSmall Cybersecurity company PC HELP MAN, is based in Brighton and Hove, England. The team focuses on Cybersecurity and other IT consulting and SI.Read More
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425$5,000+2 - 9 employeesLetchworth, EnglandIT managed services company Edge IT was founded in 2012. The team provides IT managed services and Cybersecurity and is located in Letchworth, England.Read More
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426Undisclosed2 - 9 employeesSwansea, WalesOctopus 365, an IT strategy consulting company, is headquartered in Swansea, Wales. They focus on IT strategy consulting and cloud consulting & SI.Read More
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427$1,000+Freelancer employeesIstead Rise, EnglandHelpFully IT is an Istead Rise, England-based IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI.Read More
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428Undisclosed10 - 49 employeesLondon, EnglandAcumin Consulting is a small Cybersecurity and Business Consulting company based in London, England. Their services include Cybersecurity and Business Consulting.Read More
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429Undisclosed10 - 49 employeesBelfast, Northern IrelandITMS Ireland is a small IT managed services and Cybersecurity company located in Belfast, Northern Ireland. Their services include IT managed services and Cybersecurity.Read More
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430$1,000+2 - 9 employeesLittlehampton, EnglandFentons Business IT Solutions is an IT managed services company. They were launched in 2007, and their services include IT managed services and Cybersecurity.Read More
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431$1,000+2 - 9 employeesKidderminster, EnglandForever Group is a Kidderminster, England-based unified communications consulting & SI company. Established in 2009, the team offers unified communications consulting & SI and IT managed services.Read More
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432Undisclosed10 - 49 employeesCity of London, EnglandLaunched in 2010, Threatscape is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.Read More
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433Undisclosed10 - 49 employeesCity of London, EnglandCybersecurity and IT managed services company Connect Digital Security was launched in 2016. The team specializes in Cybersecurity and IT managed services.Read More
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434Undisclosed10 - 49 employeesNewcastle Upon Tyne, EnglandCystel is a Cybersecurity company established in 2018. The agency offers Cybersecurity and Artificial Intelligence.Read More
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435Undisclosed10 - 49 employeesLondon, EnglandC2 Risk is a London, England-based big data company and Cybersecurity company. They focus on BI & big data consulting & SI and Cybersecurity.Read More
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436Undisclosed10 - 49 employeesLondon, EnglandS3M Security is a London, England-based Cybersecurity and software development firm. They provide Cybersecurity and Custom Software Development and were founded in 2016.Read More
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437Undisclosed10 - 49 employeesBirkenhead, EnglandE2E Technologies Limited is a Birkenhead, England-based Cybersecurity and IT managed services company. Their services include Cybersecurity and IT managed services.Read More
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438Undisclosed10 - 49 employeesLondon, EnglandFacia is a Cybersecurity and Compliance Consulting company. Established in 2022, the team specializes in Cybersecurity and Compliance Consulting.Read More
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439Undisclosed10 - 49 employeesManchester, EnglandCybersecurity company Secarma Ltd was founded in 2001. The team provides Cybersecurity and IoT development.Read More
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440Undisclosed10 - 49 employeesBelfast, Northern IrelandCyber Guarded Ltd is a cloud consulting & SI and Cybersecurity company. Founded in 2006, the team offers cloud consulting & SI and Cybersecurity.Read More
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441Undisclosed10 - 49 employeesLondon, EnglandCaptavio Technologies Limited is a London, England-based Cybersecurity company. They focus on Cybersecurity and Custom Software Development and were established in 2021.Read More
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442Undisclosed10 - 49 employeesBirmingham West Midlands, EnglandCyberQ Group is a Cybersecurity company. Their team is headquartered in Birmingham West Midlands, England and offers Cybersecurity and IT managed services.Read More
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443Undisclosed10 - 49 employeesBirmingham, EnglandOmniCyber Security is a Cybersecurity company founded in 2015. Their team offers Cybersecurity and IT managed services.Read More
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444Undisclosed50 - 249 employeesLondon, EnglandHighgate IT Solutions Ltd is an IT managed services company. In London, England, the team provides IT managed services and Cybersecurity.Read More
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445$1,000+10 - 49 employeesStoke Gifford, EnglandCybersecurity company CloudBound Systems was launched in 2023. The agency focuses on Cybersecurity and IT managed services.Read More
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446$1,000+2 - 9 employeesLondon, EnglandSmall Compliance Consulting company Locked Stack Inc, is in London, England. Their services include Compliance Consulting and Cybersecurity.Read More
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447$50,000+2 - 9 employeesLondon, EnglandLocated in London, England, International Cyber Asset Recovery (ICAR) is a Cybersecurity company. Founded in 2015, the team specializes in Cybersecurity and Finance Law.Read More
Industries
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448$1,000+2 - 9 employeesKennington, EnglandSmall IT strategy consulting company Northstar IT & Cyber Advisory Limited, is headquartered in Kennington, England and London, England. The team focuses on IT strategy consulting and Cybersecurity.Read More
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449$1,000+2 - 9 employeesEast Cowes, EnglandNavlabs Ltd is an AI Agents company. The firm is headquartered in East Cowes, England. Their services include AI Agents and Cybersecurity.Read More
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450$10,000+2 - 9 employeesLondon, EnglandBased in London, England, IrongateSolutions is a Cybersecurity company. The team specializes in Cybersecurity and Manufacturing Consulting.Read More
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