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Top Cybersecurity Companies for iOS App

43 of 119 cybersecurity companies ranked on evidence in the Q4 2026 edition.

iOS development covers applications for iPhone and iPad, and the work of getting them through App Store review and keeping them there. The platform is more uniform than Android — fewer devices, faster OS adoption — but the review process is a real project risk that inexperienced teams underestimate.

Ask who holds the developer account: if the agency does, your app lives in someone else's Apple relationship, and moving it later is administrative work you will not enjoy. Ask how rejections are handled, and whether the quote includes the rounds of resubmission that most non-trivial apps need. Ask what happens each September, when a new iOS version arrives and something in your app stops behaving.

Between them, the 119 cybersecurity companies on this page cover android (114), web development (110), web design (83) and IT services (77). They also list work in Mumbai, Hyderabad and United States of America. 119 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

43 of 119 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. Secarma Ltd logo

    Web Development · Web Design · IT Services · 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.

  3. Security Innovation logo

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

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

  4. Securolytics logo

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

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

  5. Senrio logo

    Mobile App Development · Web Development · 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.

  6. TS

    Web Development · Web Design · IT Services · Also in South Africa

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

  7. TeskaLabs logo

    Mobile App Development · Web Development · 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.

  8. Tessian logo

    Artificial Intelligence - AI · Web Development · Web Design · Also in United Kingdom

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

  9. T

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

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

  10. T

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

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

  11. TM

    Mobile App Development · Web Development · 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.

  12. Trustwave logo

    Web Development · Web Design · IT Services · 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.

  13. TUV Rheinland OpenSky logo

    Mobile App Development · Web Development · 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.

  14. Unknowns Lab logo

    Mobile App Development · Web Development · 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.

  15. U

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

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

  16. Veracode logo

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

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

  17. Verint Cyber Intelligence logo

    Web Development · Web Design · IT Services · 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.

  18. WS

    Web Development · Web Design · IT Services · 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…

  19. WeSecureApp logo

    Mobile App Development · Web Development · UI/UX Design · Also in Mumbai and Hyderabad

    Offensive security company providing penetration testing, red teaming and managed vulnerability services for enterprises

  20. WS

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

    WhiteHat Security spent nearly two decades on application security.

  21. Zingbox Inc. logo

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

    Zingbox Inc. makes IoT security software that protects organisations from cyber and insider threats.

  22. zobi logo

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

    1.8 billion data records are sold on the dark web every year. One of those is probably yours. Hackers target the weakest link to get your data, which is often your home network.

  23. 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…

  24. Zscaler logo

    Web Development · Web Design · IT Services · 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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