Top 60 Network Security Companies in London
The Best of April 2026Looking for a top network security firm in London?
Network security is critical for businesses. Protecting sensitive data and preserving trust are top priorities. Network security companies offer services like threat detection, encryption, assessments, and incident response planning. By partnering with these experts, businesses can fortify their defenses and maintain their reputation in the face of evolving cyber threats.
To assist you in your search for a partner, we’ve compiled this list of the top network security service providers in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London Network Security Providers
-
31Undisclosed250 - 999 employeesLondon, EnglandIntegrity360 is a Cybersecurity company. The Dublin 18, Ireland-based firm was founded in 2005. Their team provides Cybersecurity and IT managed services.Read More
-
32Undisclosed250 - 999 employeesLondon, EnglandTPXimpact Ltd is a London, England-based SEO company. The team provides Search Engine Optimization and UX/UI Design.Read More
Industries
-
33Undisclosed50 - 249 employeesCity of London, EnglandRiverSafe Limited, a Cybersecurity company, was established in 2008. The team offers Cybersecurity and cloud consulting & SI.Read More
-
34Undisclosed10 - 49 employeesCity of London, EnglandSSL247 is a Cybersecurity company. Founded in 2003, the team focuses on Cybersecurity and BI & big data consulting & SI. The agency is located in City of London, England.Read More
-
35Undisclosed2 - 9 employeesLondon, EnglandBranding agency WESH UK is located in London, England. They focus on Branding and IT managed services.Read More
-
36Undisclosed250 - 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
-
37$5,000+50 - 249 employeesLondon, EnglandCybersecurity company Cybernoq LTD is headquartered in London, England. Their services include Cybersecurity and IT managed services.Read More
-
38Undisclosed2 - 9 employeesLondon, EnglandFounded in 2011, 2|SEC Consulting is a Cybersecurity company. The small team focuses on Cybersecurity and Application Testing.Read More
-
39Undisclosed10 - 49 employeesCity of London, EnglandHeadquartered in City of London, England and Dehradun, India, RedHunt Labs is a small Cybersecurity company. Their services include Cybersecurity and BI & big data consulting & SI.Read More
-
40Undisclosed10 - 49 employeesLondon, EnglandFounded in 2018, Principle Networks Ltd, a small Cybersecurity company, is located in London, England. Their services include Cybersecurity and cloud consulting & SI.Read More
Clients
Hill Dickinson LLP Iris Software Hargreaves Services Plc Buzz BingoIndustries
-
41Undisclosed50 - 249 employeesLiverpool, EnglandMidsize Cybersecurity company IriusRisk, is headquartered in Alpharetta, Georgia and Liverpool, England. The team specializes in Cybersecurity and Artificial Intelligence.Read More
-
42$1,000+2 - 9 employeesLondon, EnglandCybersecurity company Dreadsec Ltd is headquartered in London, England. The team offers Cybersecurity.Read More
-
43Undisclosed2 - 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
Industries
-
44Undisclosed2 - 9 employeesCity of London, EnglandCybersecurity company Defensity was launched in 2019. The team specializes in Cybersecurity and IT strategy consulting.Read More
-
45Undisclosed2 - 9 employeesLondon, EnglandLocated in London, England, TestPro Consulting Ltd is a small Cybersecurity company. Their services include Cybersecurity and Artificial Intelligence.Read More
Industries
-
46Undisclosed2 - 9 employeesLondon, EnglandKiktronik Limited is a small London, England-based Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
-
47Undisclosed2 - 9 employeesHolborn London, EnglandDigital Strategy company Incite Consulting was founded in 2021. Based in New York, New York and Holborn London, England, the team provides Digital Strategy and cloud consulting & SI.Read More
Industries
-
48Undisclosed10 - 49 employeesCamberley, EnglandPR agency Riven Associates was founded in 2003. The agency focuses on Public Relations and CRM consulting and SI, and is small.Read More
-
49UndisclosedFreelancer employeesLondon, EnglandXcina Security Team, a small Cybersecurity company, is in London, England. Their services include Cybersecurity and IT managed services.Read More
-
50$5,000+10 - 49 employeesChatham, EnglandFounded in 2009, Ivinco is a small Cybersecurity company. Their services include Cybersecurity and IT managed services.Read More
-
51$10,000+10 - 49 employeesDunstable, EnglandTechAll Solutions is an IT strategy consulting company. Headquartered in Dunstable, England, the company was established in 2024. Their services include IT strategy consulting and IT managed services.Read More
-
52Undisclosed50 - 249 employeesAylesbury, EnglandRed Helix is a Cybersecurity company. The firm is in Aylesbury, England. Their services include Cybersecurity and IT managed services.Read More
Industries
-
53Undisclosed10 - 49 employeesBrighton, EnglandIngenio Technologies is an IT managed services company. The Brighton, England-based agency specializes in IT managed services and IT strategy consulting.Read More
-
54Undisclosed10 - 49 employeesLinton, EnglandCybersecurity company Mannassi IT Solutions was launched in 1996. The firm provides Cybersecurity and IT managed services, and is small.Read More
Industries
-
55Undisclosed10 - 49 employeesOxford, EnglandFounded in 1996, Wiseserve Ltd. Is a Cybersecurity company. Their team provides Cybersecurity and IT managed services.Read More
-
56Undisclosed2 - 9 employeesLondon, EnglandIn London, England, The Hack Angels Recoveries Company is a small Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
-
57Undisclosed10 - 49 employeesLondon, EnglandNauta Capital UK Ltd is a Funding & Investment company headquartered in London, England and Barcelona, Spain. Founded in 2004, the team offers Funding & Investment and DevOps Managed Services.Read More
-
58Undisclosed50 - 249 employeesLondon, EnglandTelappliant is a cloud consulting & SI company. Headquartered in London, England, their team provides cloud consulting & SI and Cybersecurity.Read More
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule Consultation