Top 100 Cybersecurity Companies in the United Kingdom
The Best of December 2025Looking 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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421$1,000+10 - 49 employeesLondon, EnglandEstablished in 2018, Ictnet Limited is a small IT strategy consulting company. Their team offers IT strategy consulting and BI & big data consulting & SI.Read More
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422$1,000+10 - 49 employeesDerby, EnglandPKF Infuse, an IT strategy consulting company, is in Derby, England and Nottingham, England. Founded in 2001, the team provides IT strategy consulting and Cybersecurity.Read More
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423$1,000+10 - 49 employeesLondon, EnglandProStep Technologies is a cloud consulting & SI company. Launched in 2021, the team focuses on cloud consulting & SI and Cybersecurity. The agency is headquartered in London, England.Read More
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424Undisclosed10 - 49 employeesLondon, EnglandInteguards LTD is a Market Research company. The London, England-based firm was established in 2025. Their services include Market Research and IT strategy consulting.Read More
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425Undisclosed10 - 49 employeesDartford, EnglandCortec IT, a social media marketing firm, is in Dartford, England. They focus on Social Media Marketing and Search Engine Optimization.Read More
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426$1,000+10 - 49 employeesMiddlesbrough, EnglandCyberSol360, a cloud consulting & SI company, was launched in 2022. The small team provides cloud consulting & SI and Cybersecurity.Read More
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427$1,000+10 - 49 employeesCardiff, WalesCritical Cloud is a cloud consulting & SI company. Established in 2024, their team focuses on cloud consulting & SI and Cybersecurity.Read More
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428$1,000+10 - 49 employeesLondon, EnglandSEO services firm Cyberonics Limited is located in London, England. Established in 2025, the team specializes in Search Engine Optimization and cloud consulting & SI.Read More
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429$1,000+10 - 49 employeesLondon, EnglandFounded in 2024, BYTEOPS LTD is an IT strategy consulting company. Their services include IT strategy consulting and Cybersecurity.Read More
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430$1,000+10 - 49 employeesNottingham, EnglandIK Group is a social media marketing company. The Nottingham, England-based agency focuses on Social Media Marketing and Web Design.Read More
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431$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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432Undisclosed2 - 9 employeesWatchfield, EnglandColtella Ltd is a small Watchfield, England-based IT managed services company. Their services include IT managed services and Cybersecurity.Read More
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433Undisclosed2 - 9 employeesLondon, EnglandFounded in 2011, 2|SEC Consulting is a Cybersecurity company. The small team focuses on Cybersecurity and Application Testing.Read More
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434$1,000+2 - 9 employeesPortsmouth, EnglandSmall graphic design company Serenity Digital, is located in Portsmouth, England. Their services include Graphic Design and Web Design.Read More
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435Undisclosed2 - 9 employeesGlasgow, ScotlandAcu IT Solutions is a Glasgow, Scotland-based IT managed services company. They specialize in IT managed services and cloud consulting & SI.Read More
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436$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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437$1,000+10 - 49 employeesBishop's Stortford, EnglandGenmar (UK) Ltd is an IT managed services company. Established in 1996, the team offers IT managed services and cloud consulting & SI.Read More
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438$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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439$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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440$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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441$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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442Undisclosed10 - 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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443Undisclosed10 - 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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444Undisclosed10 - 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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445Undisclosed10 - 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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446Undisclosed10 - 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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447Undisclosed10 - 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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448Undisclosed10 - 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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449Undisclosed10 - 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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450Undisclosed10 - 49 employeesLondon, EnglandFacia is a Cybersecurity and Compliance Consulting company. Established in 2022, the team specializes in Cybersecurity and Compliance Consulting.Read More
Industries
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