Top Cybersecurity Companies in the UK

Between them, the 47 cybersecurity companies on this page cover web development (45), web design (42), IT services (37) and iOS app (29). They also list work in United States of America. 47 of them have written a profile you can read before you get in touch.

1. 1

   

   Connected Space Ltd

   Mobile App Development · Web Development · iOS App

   Connected Space Ltd is the company behind Sauron Security, a cyber defence system for enterprise and industrial IoT devices.

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2. 2

   

   TeskaLabs

   Mobile App Development · Web Development · iOS App

   TeskaLabs is a software vendor of cybersecurity and data privacy products, with headquarters in London and an office in Prague.

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3. 3

   

   Pen Test Partners

   Web Development · Web Design · IT Services

   Pen Test Partners is a cyber security consultancy built around penetration testers.

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4. 4

   

   PortSwigger Web Security

   Web Development · Web Design · Software Development

   PortSwigger Web Security develops software for testing the security of web applications. Its main product is Burp Suite, used by penetration testers and security professionals.

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5. 5

   

   OnSecurity

   Custom Software Development · Web Development · Web Design

   OnSecurity is a penetration testing company for UK businesses. Instead of the usual scoping and paperwork, clients add their targets in an online portal and pick a start date.

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6. 6

   

   OutThink

   Web Development · Web Design · IT Services

   OutThink is a cloud-based human risk management platform for cybersecurity teams.

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7. 7

   

   Cybanetix

   Web Development · Web Design · iOS App

   Cybanetix is a cyber security provider that runs managed security services and hosted security monitoring for its customers.

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8. 8

   

   Becrypt

   Mobile App Development · Web Development · Web Design

   Becrypt makes high assurance cyber security software, building on a history of products certified by the National Cyber Security Centre.

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9. 9

   

   Sophos

   Web Development · Web Design · IT Services · Also in United States of America

   Sophos is a cybersecurity company that protects laptops, servers, mobile devices and networks against threats such as ransomware, malware, phishing and data theft.

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10. 10

    

    Proofpoint

    Web Development · Web Design · IT Services · Also in United States of America

    Proofpoint is a cybersecurity company that focuses on attacks aimed at people rather than machines.

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11. 11

    

    Torsion Information Security

    Custom Software Development · Web Development · Web Design

    Torsion Information Security makes software that sorts out who has access to which files, folders and sites.

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12. 12

    

    CriticalBlue

    Mobile App Development · iOS App · Software Development

    CriticalBlue is an Edinburgh software company with a branch office in San Jose, California.

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13. 13

    

    Deep Secure

    Mobile App Development · Web Development · Web Design

    Deep Secure is a privately owned cyber security company with its headquarters in Malvern, UK, and a satellite office in London.

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14. 14

    

    Cyber Risk Management Group

    Web Development · Web Design · IT Services

    Cyber Risk Management Group, known as CRMG, is a cyber security and information risk consultancy.

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15. 15

    

    SureCloud

    IT Services · E-Commerce Development · Cybersecurity

    SureCloud supplies governance, risk and compliance (GRC) software together with cybersecurity testing services.

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16. 16

    

    Veridium

    Web Development · Web Design · IT Services

    Veridium builds software that replaces passwords with biometric authentication, so a face, fingerprint or voice confirms a user's identity.

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17. 17

    

    Raidiam

    Mobile App Development · Web Development · Web Design

    Trust infrastructure and identity consulting for open finance, digital identity and secure connections between organisations

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18. 18

    

    Osirium

    Web Development · Web Design · IT Services

    Osirium is a UK software company working on privileged account security.

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19. 19

    

    Intellect Security Ltd

    Web Development · Web Design · IT Services

    Intellect Security Ltd is a UK information security provider. It has served clients since 2002 and says it has worked with more than 2,000 customers.

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20. 20

    

    Boldon James

    Web Development · Web Design · IT Services

    Boldon James specialises in data classification and secure messaging software. It belongs to the QinetiQ group and has around thirty years of experience in the field.

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21. 21

    

    Context Information Security

    Web Development · Web Design · IT Services

    Context Information Security is a cybersecurity consultancy that has operated since 1998. It describes itself as independently run, with backing from a FTSE 250 group.

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22. 22

    

    Cyberfort Group

    Web Development · Web Design · IT Services

    Cyberfort Group is a cyber security company covering the full security lifecycle.

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23. 23

    

    Secarma Ltd

    Web Development · Web Design · IT Services

    Secarma Ltd is an independent cyber security consultancy known mainly for penetration testing. It uses ethical hacking methods to test an organisation's defences.

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24. 24

    

    NCC Group

    Web Development · Web Design · IT Services

    NCC Group is a global cyber security and risk mitigation firm headquartered in Manchester, UK.

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