Top 100 Cybersecurity Companies in London
The Best of December 2025Looking 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
-
181Undisclosed50 - 249 employeesCity of London, EnglandRiverSafe Limited, a Cybersecurity company, was established in 2008. The team offers Cybersecurity and cloud consulting & SI.Read More
-
182Undisclosed50 - 249 employeesCity of London, EnglandSureCloud is a Cybersecurity company. The team specializes in Cybersecurity and BI & big data consulting & SI, and the agency is in Reading, England and City of London, England.Read More
-
183Undisclosed1,000 - 9,999 employeesLondon, EnglandK2 Partnering Solutions is a CRM consulting and SI company. They are headquartered in London, England, and their services include CRM consulting and SI and ERP consulting and SI.Read More
-
184$1,000+10 - 49 employeesLondon, EnglandSocium is a small London, England-based IT strategy consulting company. Their services include IT strategy consulting and IT managed services.Read More
-
185$5,000+10 - 49 employeesLondon, EnglandBig data company London Data Consuting (LDC) was founded in 2016. The firm offers BI & big data consulting & SI and cloud consulting & SI, and is small.Read More
Industries
-
186$1,000+10 - 49 employeesLondon, EnglandField Tech Services LTD is an IT managed services company. The firm is located in London, England. Their services include IT managed services and IT strategy consulting.Read More
Industries
-
187$1,000+10 - 49 employeesLondon, EnglandCyberSRC Consultancy LLP is a Cybersecurity company. The team provides Cybersecurity and Application Testing and is headquartered in Noida, India and London, England.Read More
Industries
-
188$1,000+2 - 9 employeesLondon, EnglandStackcrafters Ltd is a software development company. They are based in London, England and have small team of experts. Their services include Custom Software Development and Web Development.Read More
-
189$10,000+2 - 9 employeesCanary Wharf, EnglandSoftware Major is a software development company and Cybersecurity company established in 2005. The firm specializes in Custom Software Development and Cybersecurity, and is small.Read More
Industries
-
190Undisclosed2 - 9 employeesLondon, EnglandTeskaLabs is an IoT development and Cybersecurity company established in 2014. The small team offers IoT development and Cybersecurity.Read More
-
191$10,000+10 - 49 employeesLondon, EnglandM Solutions, a small Cybersecurity company, is based in London, England. The team offers Cybersecurity and Custom Software Development.Read More
-
192$10,000+10 - 49 employeesLondon, EnglandTetra Technology, an user experience design agency, was launched in 2018. The agency specializes in UX/UI Design and BI & big data consulting & SI.Read More
Industries
-
193$1,000+10 - 49 employeesDartford, EnglandCloudBunch is a cloud consulting & SI company located in Dartford, England. Launched in 2021, the team provides cloud consulting & SI and IT staff augmentation.Read More
-
194Undisclosed50 - 249 employeesCity of London, EnglandIT strategy consulting company Cardonet was launched in 1999. The team offers IT strategy consulting and Cybersecurity.Read More
-
195Undisclosed2 - 9 employeesLondon, EnglandArthur Russell Group is a big data analytics company founded in 2024. Their services include BI & big data consulting & SI and cloud consulting & SI.Read More
-
196Undisclosed10 - 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
-
197Undisclosed10 - 49 employeesLondon, EnglandGrouper is a CRM consulting and SI company. Headquartered in Dublin, Ireland and London, England, the team focuses on CRM consulting and SI and Cybersecurity.Read More
-
198$1,000+2 - 9 employeesLondon, EnglandCybersecurity company Dreadsec Ltd is headquartered in London, England. The team offers Cybersecurity.Read More
-
199$5,000+50 - 249 employeesLondon, EnglandCybersecurity company Cybernoq LTD is headquartered in London, England. Their services include Cybersecurity and IT managed services.Read More
-
200$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
Industries
-
201Undisclosed250 - 999 employeesLondon, EnglandKekst CNC, a PR firm, was founded in 2018. The midsize team specializes in Public Relations and Litigation Support Services.Read More
Industries
-
202Undisclosed250 - 999 employeesCity of London, EnglandInnoWave is a Cybersecurity company launched in 2008. Their team focuses on Cybersecurity and UX/UI Design.Read More
Industries
-
203Undisclosed250 - 999 employeesLondon, EnglandRoboyo is a midsize London, England-based Cybersecurity company. The team focuses on Cybersecurity and IT managed services.Read More
Industries
-
204Undisclosed250 - 999 employeesCity of London, EnglandIn City of London, England and Birmingham, England, Computer Futures is a cloud consulting & SI company. Founded in 1986, the team provides cloud consulting & SI and CRM consulting and SI.Read More
-
205Undisclosed50 - 249 employeesLondon, EnglandFounded in 2014, Auxesis Group is a Blockchain company. Based in Mumbai, India and London, England, the team focuses on Blockchain and Cybersecurity.Read More
-
206Undisclosed50 - 249 employeesCity of London, EnglandRidgewall, a midsize IT managed services company, is in City of London, England. The team specializes in IT managed services and cloud consulting & SI.Read More
Industries
-
207Undisclosed50 - 249 employeesCity of London, EnglandWizard Cyber is a Cybersecurity company. Launched in 2017, the firm is headquartered in City of London, England. Their team offers Cybersecurity and cloud consulting & SI.Read More
Industries
-
208Undisclosed10 - 49 employeesCity of London, EnglandPriority One IT is a cloud consulting & SI company. Their team is based in City of London, England and specializes in cloud consulting & SI and Cybersecurity.Read More
-
209$1,000+10 - 49 employeesHildenborough, EnglandRSK Cyber Security is a Cybersecurity company launched in 2021. The small Hildenborough, England-based team specializes in Cybersecurity, Application Testing, and cloud consulting & SI.Read More
Industries
-
210Undisclosed2 - 9 employeesCity of London, EnglandIn City of London, England and Phoenix, Arizona, Dasuni Limited is a Cybersecurity company. They specialize in Cybersecurity and IT managed services and were founded in 2005.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