Top 100 Cybersecurity Companies in London
The Best of April 2026Looking for a top cybersecurity consultant in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Cybersecurity Consultants
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301Undisclosed2 - 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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302$1,000+Freelancer employeesLondon, EnglandFounded in 2025, veyaworks ltd is an IT strategy consulting company. The firm provides IT strategy consulting and Digital Strategy.Read More
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303$5,000+250 - 999 employeesLondon, EnglandIT Lab, an IT managed services company, was launched in 1998. The team offers IT managed services and other IT consulting and SI and is headquartered in London, England and Woking, England.Read More
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304Undisclosed250 - 999 employeesLondon, EnglandTPXimpact Ltd is a London, England-based SEO company. The team provides Search Engine Optimization and UX/UI Design.Read More
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305Undisclosed250 - 999 employeesCity of London, EnglandSparta Global, an Application Testing company, was established in 2014. The midsize team specializes in Application Testing and Market Research.Read More
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306Undisclosed250 - 999 employeesLondon, EnglandRED Global is a cloud consulting & SI company. The team is in London, England and Frankfurt am Main, Germany, and their services include cloud consulting & SI and Cybersecurity.Read More
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307Undisclosed50 - 249 employeesFarnborough, EnglandForesite Cybersecurity is a Cybersecurity company. Their midsize team is based in Overland Park, Kansas and Farnborough, England and specializes in Cybersecurity, Compliance Consulting, cloud consulting & SI, and IT managed services. The agency was launched in 2013.Read More
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308Undisclosed2 - 9 employeesLondon, EnglandLocated in London, England, TestPro Consulting Ltd is a small Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More
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309Undisclosed2 - 9 employeesLondon, EnglandPrivacyRise™ is an IT strategy consulting company. They are in London, England, and their services include IT strategy consulting and Cybersecurity.Read More
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310Undisclosed2 - 9 employeesStanmore, EnglandAdroit Global Ltd. Is a small IT strategy consulting company. They offer IT strategy consulting and BI & big data consulting & SI and were founded in 2004.Read More
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311Undisclosed2 - 9 employeesLondon, EnglandLaunched in 2015, Meta Defence Labs Ltd is a big data company. Their team provides BI & big data consulting & SI and Cybersecurity.Read More
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312Undisclosed2 - 9 employeesLondon , EnglandWalker & Munns IT Consultants Limited, an IT strategy consulting company, was launched in 2023. The team specializes in IT strategy consulting and Cybersecurity.Read More
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313Undisclosed2 - 9 employeesCity of London, EnglandLP Networks Ltd, an IT strategy consulting company, was founded in 2004. They provides IT strategy consulting and cloud consulting & SI.Read More
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314Undisclosed2 - 9 employeesLondon, EnglandKiktronik Limited is a small London, England-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
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315$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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316$5,000+10 - 49 employeesSevenoaks, EnglandIT strategy consulting company Proxar IT was established in 2008. Located in Sevenoaks, England, the team focuses on IT strategy consulting and cloud consulting & SI.Read More
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317$5,000+50 - 249 employeesThundridge, EnglandEspria is a Thundridge, England-based IT strategy consulting company. They offer IT strategy consulting and cloud consulting & SI.Read More
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318$5,000+10 - 49 employeesLondon, EnglandADM computing is an IT managed services company launched in 1984. The company focuses on IT managed services and Cybersecurity, and is small.Read More
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319Undisclosed2 - 9 employeesLondon, EnglandBranding agency WESH UK is located in London, England. They focus on Branding and IT managed services.Read More
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320$1,000+10 - 49 employeesSevenoaks, EnglandIn Sevenoaks, England, Managed Service Provider is a small IT strategy consulting company. The team offers IT strategy consulting and cloud consulting & SI.Read More
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321Undisclosed2 - 9 employeesLondon, EnglandITGRC ADVISORY LTD. Is a small Cybersecurity company founded in 2020. Their team offers Cybersecurity and Compliance Consulting.Read More
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322$5,000+50 - 249 employeesLondon , EnglandNiu Solutions is a London , England-based IT managed services company. They provide IT managed services and IT strategy consulting and were founded in 2000.Read More
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323$5,000+50 - 249 employeesSurrey , EnglandLocated in Surrey , England, LAN2LAN is an IT managed services company. Their services include IT managed services and IT strategy consulting.Read More
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324Undisclosed10 - 49 employeesBerkhamsted, EnglandHeadquartered in Berkhamsted, England, Memgraph is a software development company. Founded in 2016, the team provides Custom Software Development and Cybersecurity.Read More
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325Undisclosed1,000 - 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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326$5,000+10 - 49 employeesLondon, EnglandOur IT Department is an IT managed services company in London, England. They focus on IT managed services and cloud consulting & SI.Read More
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327$5,000+10 - 49 employeesLondon, EnglandIT managed services company Databarracks was founded in 2003. The team provides IT managed services and Cybersecurity and is located in London, England.Read More
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328$5,000+10 - 49 employeesSurrey , EnglandClass Networks is an IT managed services company established in 1989. Headquartered in Surrey , England and London, England, the team offers IT managed services and cloud consulting & SI.Read More
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329Undisclosed10 - 49 employeesHounslow, EnglandPacific Infotech UK Ltd is a Hounslow, United Kingdom-based branding company. The small team offers branding, web design, ux/ui design, IT strategy consulting, and more and was launched in 2003.Read More
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330Undisclosed10 - 49 employeesLondon, EnglandLT Harper is a London, England-based cloud consulting & SI company. They focus on cloud consulting & SI and Cybersecurity.Read More
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