Top Cybersecurity Companies for CSS

Between them, the 35 cybersecurity companies on this page cover web development (34), IT services (34), HTML5 (33) and web design (32). They also list work in United Kingdom, United States of America, Sweden and Ireland. 35 of them have written a profile you can read before you get in touch.

1. 1

   

   Proofpoint

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

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

   Write a review
2. 2

   

   Netskope

   Mobile App Development · Web Development · IT Services · Also in United States of America

   Netskope is a security and networking company focused on the cloud.

   Write a review
3. 3

   

   Baffin Bay Networks

   IT Services · iOS App · UI/UX Design · Also in Sweden

   Swedish cyber security company providing DDoS protection and web application protection for companies and service providers

   Write a review
4. 4

   

   Cyber Risk Management Group

   Web Development · IT Services · Web Design · Also in United Kingdom

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

   Write a review
5. 5

   

   Pulse Secure

   Mobile App Development · Web Development · IT Services · Also in United States of America

   Pulse Secure was a supplier of secure network access software for businesses and service providers.

   Write a review
6. 6

   

   Raidiam

   Mobile App Development · Web Development · IT Services · Also in United Kingdom

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

   Write a review
7. 7

   

   Intellect Security Ltd

   Web Development · IT Services · Web Design · Also in United Kingdom

   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.

   Write a review
8. 8

   

   Context Information Security

   Web Development · IT Services · Web Design · Also in United Kingdom

   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.

   Write a review
9. 9

   

   Lepide

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

   Lepide is a software company focused on directory and data security.

   Write a review
10. 10

    

    Baffin Bay Networks

    Web Development · IT Services · Web Design · Also in Sweden

    Baffin Bay Networks is a Swedish cybersecurity company founded in 2017 by industry specialists.

    Write a review
11. 11

    

    Cybereason

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

    Endpoint protection, managed detection and response, and incident response services for large organisations, now part of LevelBlue

    Write a review
12. 12

    

    Awareness Technologies

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

    Awareness Technologies makes security software aimed at risks that come from inside an organisation. Its products run on the desktop itself rather than at the network level.

    Write a review
13. 13

    

    Emerge

    Web Development · IT Services · Web Design · Also in United Kingdom

    Emerge is a professional services partner and value-added reseller that sells cybersecurity software.

    Write a review
14. 14

    

    Barac.io

    Web Development · IT Services · Web Design · Also in United Kingdom

    Barac.io is a cybersecurity company focused on threats concealed inside encrypted traffic.

    Write a review
15. 15

    

    Absolute Software

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

    Absolute Software, also known as Absolute Security, provides endpoint visibility and control.

    Write a review
16. 16

    

    Trustwave

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

    Trustwave is a cybersecurity and managed security services provider. It is the security arm of the Singtel group, alongside Optus and NCS, and reports customers in 96 countries.

    Write a review
17. 17

    

    Tessian

    Web Development · IT Services · Web Design · Also in United Kingdom

    Tessian built email security software centred on what it called human layer security.

    Write a review
18. 18

    

    Bugcrowd

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

    Bugcrowd is a San Francisco security company that connects organisations with a global community of researchers and testers.

    Write a review
19. 19

    

    Crypteia Networks, a PCCW Global company

    Web Development · IT Services · Frontend · Also in Greece

    Crypteia Networks is a security company, described as part of PCCW Global.

    Write a review
20. 20

    

    IKARUS Security Software GmbH

    Web Development · IT Services · Web Design · Also in Austria

    IKARUS Security Software GmbH develops and runs IT and operational technology security products, starting from its own malware scan engine.

    Write a review
21. 21

    

    TrustBuilder Corporation NV

    Web Development · IT Services · Web Design · Also in Belgium

    TrustBuilder Corporation NV is a European provider of identity and access management software.

    Write a review
22. 22

    EL

    Eurokom Ltd

    Web Development · IT Services · Web Design · Also in Ireland

    Eurokom Ltd is a provider of cloud-delivered security services for business information. The service started in 2002 as a division of a wider security group.

    Write a review
23. 23

    WS

    Ward Solutions

    Web Development · IT Services · Web Design · Also in Ireland

    Ward Solutions is an Irish information security company. It advises on risk and compliance, designs and installs security technology, and can run parts of a client's security…

    Write a review
24. 24

    IS

    Ionx Solutions

    Web Development · IT Services · Web Design · Also in United Kingdom

    Ionx Solutions makes security software built around system integrity.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

Italy

23 Oct 2026 · TrustList Editorial

Italy opens a €150m cloud and cybersecurity voucher for small firms

Small businesses and self-employed professionals can claim up to half their spending, capped at €20,000, on cloud and security from…

India

4 Oct 2026 · TrustList Editorial

Zaperon raises Rs 7 crore in a seed round led by Inflection Point Ventures for enterprise cybersecurity

Indian cybersecurity startup Zaperon has raised Rs 7 crore in a seed round led by Inflection Point Ventures to build out its platform for…

China

4 Oct 2026 · TrustList Editorial

China MIIT consults on 29 recommended national standards, led by connected-vehicle supply-chain cybersecurity, until 29 October 2026

China's MIIT published 29 proposed recommended national-standard projects for comment from 30 September to 29 October 2026, headed by…