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Top Cybersecurity Companies for Cloud

26 of 66 cybersecurity companies ranked on evidence in the Q4 2026 edition.

Between them, the 66 cybersecurity companies on this page cover IT services (57), cybersecurity (39), web development (36) and web design (33). They also list work in United States of America. 66 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

26 of 66 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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  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. Secureworks logo

    IT Services · Network Security · Cloud Security · Also in Canada

    Secureworks is a cybersecurity company that helps organisations prevent, detect and respond to attacks. It is part of the Dell Technologies family of brands.

  3. S

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

    Security analytics and SIEM platform that detects insider threats, cyber threats and fraud, with automated incident response

  4. SS

    IT Services · Web Development · Web Design · 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.

  5. StealthMail logo

    E-Commerce Development · IT Solution · Cloud Security · Also in United States of America

    StealthMail is an email security product for businesses. It sends messages through secure links so that the content stays hidden from mail relays, hackers and other threats on the…

  6. SureCloud logo

    IT Services · E-Commerce Development · Cybersecurity · Also in United Kingdom

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

  7. Synersoft Technologies Pvt Ltd. logo

    IT Services · E-Commerce Development · Software Development · Also in India

    Synersoft Technologies Pvt Ltd. is an Indian software company whose product, now branded BLACKbox, targets small and medium enterprises.

  8. TI

    IT Services · Web 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.

  9. Thales eSecurity logo

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

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

  10. T

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

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

  11. T

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

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

  12. VA

    Artificial Intelligence - AI · IT Services · E-Commerce Development · Also in Canada

    Vectra AI sells security software that uses artificial intelligence to spot and respond to cyberattacks.

  13. Veracode logo

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

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

  14. Verint Cyber Intelligence logo

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

    Verint Cyber Intelligence is the security intelligence unit of Verint. It makes data mining software that helps agencies and companies detect threats and investigate incidents.

  15. Webroot logo

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

    Webroot is a cybersecurity company that uses cloud technology and machine learning to detect threats as they happen. It became part of Carbonite in 2019.

  16. WI

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

    Webroot is a cybersecurity company that uses cloud technology and machine learning to detect and block attacks.

  17. W

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

    WinMagic develops data encryption and authentication software. Its work centres on protecting data at rest, with full disk and file encryption managed from a single console.

  18. Zscaler logo

    Mobile App Development · IT Services · E-Commerce Development

    Zscaler is a cloud security company whose platform, the Zero Trust Exchange, sits on each connection and links users, devices and applications only to what they are allowed to…

  19. Zscaler logo

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

    Zscaler is a cloud security company built around zero trust. Its platform sits on every connection and links each user, device or workload only to the applications it is authorised…

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