Top 100 Cybersecurity Companies in London
The Best of February 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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271Undisclosed2 - 9 employeesCroydon, EnglandEstablished in 2001, Ingenious Ltd is a small IT strategy consulting company headquartered in Croydon, England. Their team focuses on IT strategy consulting and cloud consulting & SI.Read More
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272Undisclosed2 - 9 employeesLondon, EnglandKalita Partners is a Cybersecurity company. Their team is based in London, England and Paris, France and specializes in Cybersecurity and Business Consulting.Read More
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273Undisclosed2 - 9 employeesLondon, EnglandEstablished in 2020, Emergent Consulting is a small London, England-based Cybersecurity company. Their services include Cybersecurity and Blockchain.Read More
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274Undisclosed2 - 9 employeesRomford, EnglandIT Department is a Romford, England-based IT strategy consulting company. Their services include IT strategy consulting and unified communications consulting & SI.Read More
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275$5,000+10 - 49 employeesLondon, EnglandCapita Cyber Security is an IT managed services company located in London, England. The team focuses on IT managed services and Cybersecurity.Read More
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276Undisclosed10 - 49 employeesLondon, EnglandReckon Digital is an artificial intelligence company. The London, England-based firm offers Artificial Intelligence and UX/UI Design.Read More
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277Undisclosed10 - 49 employeesLondon, EnglandIoT development company floLIVE is located in London, England. Established in 2015, the team provides IoT development and cloud consulting & SI.Read More
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278Undisclosed10 - 49 employeesCity of London, EnglandComputers in the City is an IT strategy consulting company. The team provides IT strategy consulting and IT managed services, and the agency is headquartered in City of London, England.Read More
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279Undisclosed10 - 49 employeesLondon, EnglandCompliance Consulting company Goldilock was established in 2020. The small team offers Compliance Consulting and BI & big data consulting & SI.Read More
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280Undisclosed10 - 49 employeesLondon, EnglandOpen Search Network is a big data company. Their small team of employees is located in London, England. Their team focuses on BI & big data consulting & SI and Cybersecurity.Read More
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281Undisclosed10 - 49 employeesLondon, EnglandBlinx Technology Ltd is an IT strategy consulting company. They are located in London, England and New York, New York and have small team. They focus on IT strategy consulting and IT managed services.Read More
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282Undisclosed10 - 49 employeesLondon, EnglandBramfitt Technology Labs is a London, England-based Cybersecurity company. Their services include Cybersecurity and UX/UI Design.Read More
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283Undisclosed10 - 49 employeesLondon, EnglandFounded in 2014, Aligne is a big data analytics company. The agency offers BI & big data consulting & SI and Cybersecurity, and is small.Read More
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284Undisclosed10 - 49 employeesLondon, EnglandMicrobyte Solutions Limited is a small Portland, Oregon-based cloud consulting & SI company. The team specializes in cloud consulting & SI and IT managed services.Read More
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285$50,000+2 - 9 employeesLondon, EnglandBLAKFRAME is an Engineering company. Headquartered in London, England, the team offers Engineering and Custom Software Development.Read More
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286Undisclosed2 - 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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287$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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288$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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289Undisclosed250 - 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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290Undisclosed250 - 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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291Undisclosed250 - 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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292Undisclosed50 - 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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293Undisclosed2 - 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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294Undisclosed2 - 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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295Undisclosed2 - 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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296Undisclosed2 - 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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297Undisclosed2 - 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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298Undisclosed2 - 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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299Undisclosed2 - 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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300$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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