Computer & Network Security companies in United Kingdom

1,588 Computer & Network Security companies in United Kingdom — with websites, cities, size and what they do. Free to browse, filter and export; no subscription.

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1. Teceze London · United Kingdom · 1K–5K employees
   Teceze is a leading provider of computer and network security solutions, specializing in innovative technologies that protect organizations from cyber threats. Founded in 2012…
2. Logicalis Mss London · United Kingdom · 1K–5K employees
   Logicalis MSS is a leading provider of managed security services, specializing in delivering comprehensive cybersecurity solutions to businesses across various sectors. With a…
3. Cybercx Uk London · United Kingdom · 1K–5K employees
   CyberCX UK is a leading provider of cybersecurity solutions, specializing in protecting organizations from cyber threats and ensuring compliance with regulatory standards. With a…
4. Atlas Consortium London · United Kingdom · 1K–5K employees
   Atlas Consortium is a prominent organization specializing in computer and network security solutions. The company focuses on providing advanced security services, including…
5. Claranet Cyber Security West Yorkshire · United Kingdom · 1K–5K employees
   Claranet Cyber Security is a leading provider of managed security services, specializing in protecting businesses from cyber threats. With a focus on delivering comprehensive…
6. Roke Romsey · United Kingdom · 1K–5K employees
   Roke is a leading technology and engineering company based in the United Kingdom, specializing in advanced research and development in the fields of computer and network…
7. Securityhq London · United Kingdom · 201–500 employees
   SecurityHQ is a leading provider of cybersecurity solutions, specializing in threat detection, incident response, and security monitoring services. The company offers a…
8. Open Network Services Ltd Chapeltown · United Kingdom · 51–200 employees
   Open Network Services Ltd is a leading provider of computer and network security solutions based in the United Kingdom. Established to address the growing need for robust…
9. Techloq London · United Kingdom · 51–200 employees
   Techloq is a leading provider of computer and network security solutions, specializing in innovative technologies that protect businesses from cyber threats. The company focuses…
10. Lambdasoc Edinburgh · United Kingdom · 51–200 employees
    Lambdasoc is a technology company specializing in computer and network security solutions. The company focuses on developing innovative security tools and services that help…
11. Enusec Edinburgh · United Kingdom · 51–200 employees
    Enusec is a cybersecurity company based in Edinburgh, United Kingdom, specializing in providing advanced security solutions for computer networks. The company focuses on…
12. Datasixth Consulting London · United Kingdom · 51–200 employees
    Datasixth Consulting is a UK-based firm specializing in computer and network security solutions. The company provides a range of services including cybersecurity assessments…
13. Plexal Cyber London · United Kingdom · 51–200 employees
    Plexal Cyber is a leading innovation hub and workspace focused on cybersecurity. Located in London, Plexal Cyber provides a collaborative environment for startups, scale-ups, and…
14. Keyless London · United Kingdom · 51–200 employees
    Keyless is a technology company specializing in biometric authentication and identity verification solutions. The company focuses on providing secure and user-friendly access to…
15. Interrupt Labs Basingstoke · United Kingdom · 51–200 employees
    Interrupt Labs is a cybersecurity company based in the United Kingdom, specializing in advanced computer and network security solutions. The company focuses on providing…
16. Cyberq Group Birmingham · United Kingdom · 51–200 employees
    Cyberq Group is a leading provider of cybersecurity solutions, specializing in protecting organizations from cyber threats and ensuring compliance with industry regulations. The…
17. Nomios Uk&I Basingstoke · United Kingdom · 51–200 employees
    Nomios Uk&I is a leading provider of cybersecurity solutions, specializing in network security, cloud security, and secure access technologies. The company focuses on delivering…
18. Gemserv Information Security City Of London · United Kingdom · 51–200 employees
    Gemserv Information Security is a leading provider of cybersecurity solutions, specializing in protecting sensitive data and ensuring compliance with industry regulations. The…
19. Performanta Maidenhead · United Kingdom · 51–200 employees
    Performanta is a leading provider of cybersecurity solutions, specializing in threat detection, incident response, and security operations. The company focuses on delivering…
20. Securityangel.Com Harrow · United Kingdom · 51–200 employees
    Securityangel.com is a UK-based company specializing in computer and network security solutions. The company offers a range of services aimed at protecting businesses from cyber…
21. Information Risk Management (Irm) Cheltenham · United Kingdom · 51–200 employees
    Information Risk Management (Irm) is a leading provider of cybersecurity services and solutions, specializing in risk management, compliance, and security assessments. With a…
22. Unify Business Communication Systems Ltd London · United Kingdom · 51–200 employees
    Unify Business Communication Systems Ltd is a leading provider of integrated communication solutions, specializing in enhancing collaboration and productivity for businesses. The…
23. Association Of Cyber Forensics And Threat Investigators London · United Kingdom · 51–200 employees
    The Association of Cyber Forensics and Threat Investigators (ACFTI) is a professional organization dedicated to the advancement of cyber forensics and threat investigation…
24. Appcheck Ltd Leeds · United Kingdom · 51–200 employees
    Appcheck Ltd is a cybersecurity company based in Leeds, United Kingdom, specializing in providing advanced security solutions for web applications and networks. The company…
25. Tst Global London · United Kingdom · 51–200 employees
    Tst Global is a leading provider of computer and network security solutions, specializing in the protection of sensitive data and systems for businesses across various sectors.…
26. 0X00Sec London · United Kingdom · 51–200 employees
    0X00Sec is a prominent online community and resource hub focused on computer and network security. It provides a platform for cybersecurity enthusiasts, professionals, and…
27. Apsley Business School, London London · United Kingdom · 51–200 employees
    Apsley Business School is a leading institution in the field of business education, offering a range of programs focused on developing skills in management, finance, and…
28. Isms.Online Brighton And Hove · United Kingdom · 51–200 employees
    Isms.Online is a leading provider of information security management solutions, specializing in helping organizations implement and maintain effective information security…
29. Controlplane City Of London · United Kingdom · 51–200 employees
    Controlplane is a technology company specializing in cloud-native security solutions. The company focuses on providing tools and services that enhance the security posture of…
30. Cyber Magazine Blackburn With Darwen · United Kingdom · 51–200 employees
    Cyber Magazine is a leading publication focused on the latest trends, news, and insights in the field of cybersecurity. It serves as a vital resource for professionals in the…
31. It Computers Limited New Milton · United Kingdom · 51–200 employees
    It Computers Limited is a UK-based company specializing in computer and network security solutions. The company provides a range of services including cybersecurity assessments…
32. Imerja Limited Bolton · United Kingdom · 51–200 employees
    Imerja Limited is a UK-based company specializing in computer and network security solutions. The company provides a range of services including cybersecurity consulting, risk…
33. Armoryze London · United Kingdom · 51–200 employees
    Armoryze is a leading provider of advanced computer and network security solutions, specializing in protecting organizations from cyber threats. With a focus on innovative…
34. Cado Security London · United Kingdom · 51–200 employees
    Cado Security is a leading provider of cloud incident response solutions, specializing in the detection and response to cloud-based threats. The company focuses on helping…
35. Intruder London · United Kingdom · 51–200 employees
    Intruder is a cybersecurity company that specializes in vulnerability management and threat detection. Founded in London, the company provides a platform that helps organizations…
36. Hack Defense London · United Kingdom · 51–200 employees
    Hack Defense is a cybersecurity firm based in London, United Kingdom, specializing in providing advanced solutions for computer and network security. The company focuses on…
37. Aria Software & Security Ltd London · United Kingdom · 51–200 employees
    Aria Software & Security Ltd is a technology company specializing in computer and network security solutions. Founded in 2015, the company focuses on providing innovative…
38. Infosec K2K London · United Kingdom · 51–200 employees
    Infosec K2K is a cybersecurity company based in London, United Kingdom, specializing in providing advanced security solutions for businesses and organizations. The company…
39. Cyberfort Group West Berkshire · United Kingdom · 51–200 employees
    Cyberfort Group is a leading provider of cybersecurity solutions, specializing in protecting organizations from cyber threats and ensuring data integrity. With a focus on…
40. Ecd Global Infotech Pvt Ltd London · United Kingdom · 51–200 employees
    Ecd Global Infotech Pvt Ltd is a UK-based company specializing in computer and network security solutions. The firm provides a range of services aimed at protecting digital…
41. Itc Secure Tower Hamlets · United Kingdom · 51–200 employees
    Itc Secure is a leading provider of cybersecurity solutions, specializing in protecting organizations from a wide range of digital threats. With a focus on delivering tailored…
42. Microminder Cyber Security Perivale · United Kingdom · 51–200 employees
    Microminder Cyber Security is a UK-based company specializing in providing comprehensive cybersecurity solutions to protect businesses from evolving digital threats. The company…
43. Redscan, A Kroll Business London · United Kingdom · 51–200 employees
    Redscan is a leading provider of cybersecurity services, specializing in threat detection and response, vulnerability management, and security awareness training. As part of…
44. Safetonet London · United Kingdom · 51–200 employees
    Safetonet is a leading provider of computer and network security solutions, specializing in advanced cybersecurity technologies designed to protect organizations from a wide…
45. Twinstream Cheltenham · United Kingdom · 51–200 employees
    Twinstream is a leading provider of computer and network security solutions, specializing in advanced threat detection and response services. The company focuses on safeguarding…
46. Red Helix Aylesbury · United Kingdom · 51–200 employees
    Red Helix is a leading provider of computer and network security solutions, specializing in advanced threat detection and response services. Established in 1984, the company has…
47. Cdn77 London · United Kingdom · 51–200 employees
    Cdn77 is a leading content delivery network (CDN) provider that specializes in delivering high-performance web content and applications. The company offers a range of services…
48. Intercede Lutterworth · United Kingdom · 51–200 employees
    Intercede is a leading provider of identity and credential management solutions, specializing in secure digital identities for individuals and devices. The company offers a range…
49. Digitalxraid South Yorkshire · United Kingdom · 51–200 employees
    Digitalxraid is a leading cybersecurity firm based in the United Kingdom, specializing in providing advanced security solutions to protect organizations from cyber threats. The…
50. E-Safe Systems Baslow · United Kingdom · 51–200 employees
    E-Safe Systems is a leading provider of computer and network security solutions based in the United Kingdom. The company specializes in compliance management and risk assessment…