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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151Undisclosed2 - 9 employeesSunderland, EnglandLaunched in 2018, CyberWhite Limited is a Cybersecurity company. The agency offers Cybersecurity and IT managed services.Read More
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152Undisclosed10 - 49 employeesBelfast, Northern IrelandSmall Cybersecurity and IT managed services company Nimbus, is located in Belfast, Northern Ireland. Their services include Cybersecurity and IT managed services.Read More
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153Undisclosed10 - 49 employeesLondon, EnglandFounded in 2013, First Response is a Cybersecurity and IT managed services company. The team focuses on Cybersecurity and IT managed services.Read More
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154Undisclosed50 - 249 employeesLondon, EnglandEstablished in 2011, Callsign is an artificial intelligence firm. The team provides Artificial Intelligence and Cybersecurity.Read More
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155$1,000+2 - 9 employeesGreenfield, EnglandBased in Greenfield, England, KEEP Information Security Services is a Cybersecurity company. They provide Cybersecurity and IT strategy consulting and were launched in 2014.Read More
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156Undisclosed10 - 49 employeesLondon, EnglandDealDone LTD is a small Cybersecurity company established in 2012. Their team offers Cybersecurity and Blockchain.Read More
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157$5,000+10 - 49 employeesLondon, EnglandLineal is a small Business Consulting company based in London, England and Hong Kong, Hong Kong. Their services include Business Consulting and Cybersecurity.Read More
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158Undisclosed250 - 999 employeesOldbury, EnglandEstablished in 1997, A&O IT Group is a Cybersecurity company. The team focuses on Cybersecurity and AI Consulting.Read More
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159$25,000+10 - 49 employeesLondon, EnglandSnatchDigital is an IT staff augmentation company. The team focuses on IT staff augmentation and Application Testing and is in London, England and San francisco, California.Read More
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160Undisclosed1,000 - 9,999 employeesBracknell, EnglandIT strategy consulting company Excis Compliance was established in 2001. The team provides IT strategy consulting and cloud consulting & SI and is in Bracknell, England and Navi Mumbai, India.Read More
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161$10,000+10 - 49 employeesLondon, EnglandOTIFYD is a Cybersecurity company in London, England and Dubai, United Arab Emirates. They specialize in Cybersecurity and IT strategy consulting.Read More
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162Undisclosed10 - 49 employeesManchester, EnglandAxiom 360, a small IT managed services and Cybersecurity company, is in Whitby, Canada and Manchester, England. Their services include IT managed services and Cybersecurity.Read More
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163Undisclosed10 - 49 employeesLondon, EnglandHeadquartered in London, England, Zero Trust Solutions is a Cybersecurity company. Their services include Cybersecurity and Microservices Architecture Services.Read More
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164$1,000+2 - 9 employeesLondon, EnglandBlue Icon IT is a Cybersecurity company. They are located in London, England, and their services include Cybersecurity and IT managed services.Read More
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165$1,000+2 - 9 employeesFerndown, EnglandFounded in 2023, Cyberou is a Cybersecurity company. The company focuses on Cybersecurity and Product Marketing.Read More
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166$1,000+2 - 9 employeesLondon, EnglandLittle Big Tech is an IT managed services company. Established in 2021, the agency is headquartered in London, England and Hever, England. Their team offers IT managed services and Cybersecurity.Read More
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167$1,000+50 - 249 employeesManchester, EnglandEstablished in 2016, Techolony is a midsize Cybersecurity company in Manchester, England. Their team offers Cybersecurity and IT managed services.Read More
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168Undisclosed1,000 - 9,999 employeesLondon, EnglandColt Technology Services, an other IT consulting and SI company, is located in London, England and Amsterdam, Netherlands. Their services include other IT consulting and SI and Call Center Services.Read More
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169$10,000+50 - 249 employeesWallsend, EnglandForfusion is a midsize Wallsend, England-based IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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170Undisclosed50 - 249 employeesBracknell, EnglandTelana Limited is a midsize AI Agents company. Launched in 2003, the team focuses on AI Agents and AI Consulting.Read More
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171$5,000+10 - 49 employeesLondon, EnglandLaunched in 1999, Lucidica is an IT managed services company. The agency offers IT managed services and Cybersecurity.Read More
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172$1,000+2 - 9 employeesLondon, EnglandSmall Cybersecurity company DefendVista Ltd, is located in London, England. Their services include Cybersecurity and IT managed services.Read More
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173$1,000+10 - 49 employeesBeckenham, EnglandGregory Micallef Associates is an IT managed services company. They offer IT managed services and Call Center Services and were launched in 1992.Read More
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174Undisclosed10 - 49 employeesLondon, EnglandEstablished in 2021, KOBU SMART LTD is a small London, England-based cloud consulting & SI company. Their team specializes in cloud consulting & SI and Cybersecurity.Read More
Clients
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175Undisclosed50 - 249 employeesBristol, EnglandStripe OLT is a Cybersecurity company. The company is in Bristol, England and London, England. Their team provides Cybersecurity and IT managed services.Read More
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176Undisclosed50 - 249 employeesLeeds, EnglandJungle IT is a Cybersecurity company. Their team is based in Leeds, England and Halifax, England and specializes in Cybersecurity and IT managed services.Read More
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177$1,000+2 - 9 employeesLondon, EnglandPxosys Ltd is a Cybersecurity company. The London, England-based firm focuses on Cybersecurity and cloud consulting & SI.Read More
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178$1,000+2 - 9 employeesBootle, EnglandBased in Bootle, England, CyberSecuritiesUK is a Cybersecurity and IT managed services company. They offer Cybersecurity and IT managed services and were launched in 2010.Read More
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179$1,000+10 - 49 employeesPitstone, EnglandCloudandmore, a Cybersecurity company, was founded in 2021. The team focuses on Cybersecurity and IT strategy consulting and is based in Pitstone, England and Bristol, England.Read More
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180$1,000+50 - 249 employeesWarrington, EnglandCloudCoCo Plc is a midsize Warrington, England-based IT managed services company. The team specializes in IT managed services and Cybersecurity.Read More
Industries
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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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