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Top Cybersecurity Companies for Web Development

61 of 179 cybersecurity companies ranked on evidence in the Q4 2026 edition.

Web development covers building and running the software behind a website or web application — the pages a visitor sees, the systems underneath them, and the work of keeping both online afterwards. In practice the label spans very different jobs: a brochure site on a content management system, a customer portal wired into an existing back office, and a full product delivered as a web application are all sold as web development.

The questions that separate providers are less about language and more about scope. Does the engagement end at launch, or does it include hosting, monitoring and updates? Who owns the code and the repository afterwards? Is the work fixed-price against a specification or time-and-materials against a backlog? A team that builds well but hands over nothing maintainable costs more in the second year than it saved in the first.

Between them, the 179 cybersecurity companies on this page cover web design (142), IT services (129), iOS app (110) and android (109). They also list work in United States of America, United Kingdom and Ireland. 179 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

61 of 179 cybersecurity companies ranked on evidence held on 6 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
  2. RiskIQ logo

    Web Design · IT Services · iOS App · Also in United States of America

    RiskIQ is a security company that focuses on attack surface management.

  3. SC

    Web Design · IT Services · IT Solution · Also in Australia

    Sapien Cyber provides cybersecurity for operational technology, such as industrial SCADA networks.

  4. SBA Research logo

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

    SBA Research is an information security research centre in Vienna, Austria.

  5. Secarma Ltd logo

    Web Design · IT Services · iOS App · Also in United Kingdom

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

  6. Securience logo

    Web Design · IT Services · UI/UX Design · Also in United Kingdom

    Securience is a specialist in identity management, access and governance.

  7. Security Innovation logo

    Mobile App Development · iOS App · Android · Also in United States of America

    Security Innovation is a software security specialist that helps organisations build and deploy more secure software.

  8. Securolytics logo

    Mobile App Development · iOS App · Android · Also in United States of America

    Security platform that protects connected medical devices in healthcare networks and manages compliance without extra hardware

  9. Senrio logo

    Mobile App Development · iOS App · Android · Also in United States of America

    Senrio is an IoT cybersecurity company focused on networked embedded devices, such as those used in healthcare, industrial control and retail.

  10. SS

    Web Design · IT Services · Network Security · Also in United States of America

    Onapsis cybersecurity solutions automate the monitoring and protection of your SAP and Oracle applications, keeping them compliant and safe from insider and outsider threats.

  11. TS

    Web Design · IT Services · iOS App · Also in South Africa

    Telspace Systems was established in 2002 by CEO Dino Covotsos, who is still actively involved in the business.

  12. TI

    IT Services · Software Development · E-Commerce Development · Also in United States of America

    Tenable, Inc. is a cybersecurity company focused on exposure management, which means finding and reducing security risk across an organisation's technology.

  13. TeskaLabs logo

    Mobile App Development · iOS App · Android · Also in United Kingdom

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

  14. Tessian logo

    Web Design · IT Services · iOS App · Also in United Kingdom

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

  15. Thales eSecurity logo

    Web Design · IT Services · React Native · Also in United States of America

    Thales eSecurity provides data security products and services for companies and governments.

  16. T

    Web Design · IT Services · iOS App · Also in Ireland

    Threatscape is a pure-play cyber security company with offices in Dublin and London.

  17. T

    Web Design · IT Services · iOS App · Also in Ireland

    TitanHQ is a software-as-a-service security vendor whose products filter email and web traffic and archive email.

  18. Torsion Information Security logo

    Custom Software Development · Web Design · Cybersecurity · Also in United Kingdom

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

  19. TM

    Mobile App Development · iOS App · UI/UX Design · Also in Singapore

    Trend Micro is a cybersecurity company that began in security software and now operates as the listed parent of a group of security businesses.

  20. Trustwave logo

    Web Design · IT Services · iOS App · 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.

  21. TUV Rheinland OpenSky logo

    Mobile App Development · iOS App · Android · Also in United States of America

    TUV Rheinland OpenSky is a cyber security and safety services business for connected devices, platforms and the Internet of Things.

  22. Unknowns Lab logo

    Mobile App Development · iOS App · UI/UX Design · Also in United States of America

    We have extended our services and protected companies ranging from entrepreneurs to Fortune 500 from unidentified cyber threats and delivered them a complete security solution.

  23. U

    Web Design · IT Services · iOS App · Also in Germany

    Utimaco is a worldwide supplier of professional cybersecurity solutions and is based in Aachen, Germany.

  24. VASCO Data Security logo

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

    OneSpan enables financial institutions and other organizations to succeed by making bold advances in their digital transformation.

  25. Veracode logo

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

    Application security platform that finds, prioritises and helps fix software flaws for enterprise security and development teams

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