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
-
61$50,000+2 - 9 employeesLondon, EnglandMonsevo, a Cybersecurity company, provide Cybersecurity. They were launched in 2023.Read More
-
62$1,000+1,000 - 9,999 employeesLondon, EnglandIT strategy consulting company Beryl Technologies Ltd is headquartered in London, United Kingdom and Multan, Pakistan. The firm focuses on IT strategy consulting, cybersecurity, and IT managed services and is large.The firm was launched in 2023.Read More
-
63$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
Clients
Playvox -
64$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
-
65Undisclosed50 - 249 employeesLondon, 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
Industries
-
66$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
Industries
-
67$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
Industries
-
68Undisclosed10 - 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
Travel RadarIndustries
-
69Undisclosed10 - 49 employeesLondon, EnglandLaunched in 2017, Hazy is a small big data company. Their services include BI & big data consulting & SI and Artificial Intelligence.Read More
Industries
-
70Undisclosed250 - 999 employeesLondon, EnglandAdventus is a midsize IT strategy consulting company. Established in 2005, the team provides IT strategy consulting and cloud consulting & SI.Read More
-
71Undisclosed10 - 49 employeesLondon, EnglandSereno IT Support, a Cybersecurity company, is headquartered in London, England and London, England. Their services include Cybersecurity and IT managed services.Read More
-
72$1,000+10 - 49 employeesLondon, EnglandMacnitech is a cloud consulting & SI company. The company is located in London, England. Their services include cloud consulting & SI and Cybersecurity.Read More
Industries
-
73$5,000+10 - 49 employeesLondon, EnglandLaunched in 2002, zsah Limited is a cloud consulting & SI company. The team offers cloud consulting & SI and BI & big data consulting & SI.Read More
Industries
-
74$5,000+10 - 49 employeesLeatherhead, EnglandComputer Care is a small Leatherhead, England-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
Industries
-
75Undisclosed50 - 249 employeesStaines-upon-Thames, EnglandTDM Group is an IT managed services company. The Staines-upon-Thames, England-based agency was launched in 1997. Their team provides IT managed services and Cybersecurity.Read More
-
76$1,000+10 - 49 employeesFitzrovia, London, EnglandWeb development firm OWA Digital is based in Oxford, England and Fitzrovia, London, England. Their services include Web Development and Mobile App Development.Read More
Industries
-
77$1,000+10 - 49 employeesLondon, EnglandDr Logic is an IT managed services company. They are located in London, England and have small team. They specialize in IT managed services and Cybersecurity.Read More
Industries
-
78Undisclosed50 - 249 employeesLondon, EnglandIT managed services company ITVET is located in Bishop's Stortford, England and London, England. Launched in 2007, the team offers IT managed services and IT strategy consulting.Read More
-
79Undisclosed2 - 9 employeesLondon, EnglandStreym Ltd is an IT strategy consulting company headquartered in London, England. They offer IT strategy consulting and Cybersecurity and were founded in 2006.Read More
-
80$1,000+10 - 49 employeesLondon, EnglandIG-Smart Ltd is a Cybersecurity company. Their team is located in London, England. The company specializes in Cybersecurity and IT managed services.Read More
-
81$5,000+50 - 249 employeesLondon, EnglandOryxAlign is a midsize IT strategy consulting company. They provide IT strategy consulting and cloud consulting & SI and were founded in 2006.Read More
Industries
-
82Undisclosed2 - 9 employeesLondon, EnglandNetworkIQ, an IT strategy consulting company, was established in 2009. The team focuses on IT strategy consulting and Cybersecurity and is in London, England.Read More
-
83$250,000+50 - 249 employeesShadwell, EnglandSpeedster IT, an IT strategy consulting company, was founded in 2014. The team offers IT strategy consulting and cloud consulting & SI.Read More
Industries
-
84Undisclosed1,000 - 9,999 employeesDallas, TXFORVIS is an Accounting company established in 1923. Their team offers Accounting and Business Consulting.Read More
Industries
-
85$250,000+50 - 249 employeesLondon, EnglandFounded in 2019, ParsBiz is an advertising company. Their midsize team is in Santa Monica, California; Paris, France; München, Germany and Madrid, Spain. Their team provides advertising, branding, social media marketing, content marketing, and more.Read More
Industries
-
86$1,000+50 - 249 employeesLondon, EnglandLaunched in 2011, TD Web Services is a midsize London, England-based cloud consulting & SI company. Their team focuses on cloud consulting & SI and IT managed services.Read More
Industries
-
87$1,000+10 - 49 employeesLondon, EnglandEstablished in 2018, Anika Tech Support, a small IT managed services company, is in London, England. Their team specializes in IT managed services and IT strategy consulting.Read More
-
88Undisclosed10 - 49 employeesCity of London, EnglandLaunched in 2004, Cubit Technology is a small City of London, England-based IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.Read More
-
89Undisclosed50 - 249 employeesLondon , EnglandPenguin Commercial Limited, a Corporate Travel Management company, is located in London , England. The team focuses on Corporate Travel Management and IT managed services.Read More
Industries
-
90Undisclosed10 - 49 employeesLondon, EnglandNetwork Squad LTD is an IT strategy consulting company in London, England. They focus on IT strategy consulting and cloud consulting & SI.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