17 Sept 2026 · TrustList Editorial
How to choose a mobile app development company: the 2026 buyer's guide
What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…
49 cybersecurity companies ranked by rating, review volume and listing quality.
Mobile app development covers applications built for phones and tablets, whether native to one platform, cross-platform from a shared codebase, or a web application wrapped for the stores. All three are sold under this heading and they have materially different costs, both to build and to keep running.
The recurring surprise for buyers is that shipping is not the end of the spend. Both stores change their requirements on their own schedule, and an app that is not updated will eventually stop being accepted or stop working. Ask what the maintenance arrangement is before comparing build quotes, because a lower build price with no maintenance path is not the cheaper option.
Between them, the 49 cybersecurity companies on this page cover android (44), web development (43), iOS app (43) and .NET (32). They also list work in Mumbai, United States of America, United Kingdom and India. 49 of them have written a profile you can read before you get in touch.

Web Development · iOS App · UI/UX Design · Also in United States of America
RiskSense, Inc. built software that ranks cybersecurity weaknesses by real risk so security and IT teams know what to fix first.

iOS App · E-Commerce Development · IT Services
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…

iOS App · E-Commerce Development · Web Security · Also in Singapore
Mobile application security testing with automated scans, expert penetration tests and app store monitoring for enterprises

Web Development · iOS App · UI/UX Design · Also in India
Sequretek IT Solution Pvt Ltd. is a security company set up in November 2013 with the stated goal of making security simpler.

Software Development · IT Services · Web Security · Also in United States of America
Palo Alto Networks is a cybersecurity company selling integrated platforms that protect networks, clouds and mobile devices.

iOS App · E-Commerce Development · IT Outsourcing · Also in United States of America
MobileIron was a mobile security and unified endpoint management company founded in 2007. It checked users, devices, apps and networks before letting them reach business data.

Web Development · iOS App · UI/UX Design · Also in Ukraine
ESKA is a cybersecurity and IT services provider organised around three teams that test, defend and govern a client's security.

Web Development · iOS App · UI/UX Design · Also in United States of America
Doyensec is an independent security research and development company.

Web Development · iOS App · UI/UX Design · Also in Poland
EVERSYS Sp. z o.o. is an IT company in Poland that specialises in the security of data and network infrastructure.

Web Development · iOS App · UI/UX Design · Also in Poland
SecuRing is an application security company founded in 2003. It works for banks, insurers, telecom providers, government bodies and software houses, concentrating on the security…

Web Development · iOS App · UI/UX Design · Also in United States of America
Clario Tech is a cybersecurity company that builds protection software for everyday consumers rather than businesses.

Web Development · iOS App · UI/UX Design · Also in India
7ASecurity is a security testing company founded by Abraham Aranguren and operating since 2011. It is based in the EU and describes itself as GDPR-aware.

Web Development · iOS App · UI/UX Design · Also in United States of America
Application security platform that finds, prioritises and helps fix software flaws for enterprise security and development teams

Web Development · iOS App · UI/UX Design
DCIT, a.s. is a Czech company working in information and communication technology since 1993.

Web Development · iOS App · UI/UX Design · Also in Slovakia
EMM is a Slovak technology company working in security and complex IT solutions since 1991.

Web 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.
Web Development · iOS App · Web Design · Also in France
Cybersecurity research firm offering vulnerability research, reverse engineering, software protection and training for security-critical organisations
Web 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.
Web Development · iOS App · Mobile Platforms · Also in Pakistan
Ebryx (Pvt.) Ltd. began as an engineering consultancy for telecom, security and web applications and now presents itself as a managed cybersecurity provider.
Web Development · iOS App · UI/UX Design · Also in Germany
Build38 GmbH is a Munich-based security company that protects mobile apps against attacks.
Web Development · iOS App · UI/UX Design · Also in Germany
secida AG is a partner-led IT consultancy founded in 2019. It began with identity and access management and now covers cybersecurity and hybrid infrastructure more broadly.
Web Development · iOS App · UI/UX Design · Also in Germany
Code Intelligence GmbH is an IT security company founded in 2017 and headquartered in Bonn, Germany.
Web Development · iOS App · UI/UX Design · Also in Netherlands
Cybersprint offers a digital risk protection platform. Entering the name of a brand or organisation lets the platform detect online channels connected to it, including ones the…
Web Development · iOS App · UI/UX Design · Also in Kyiv
10Guards is a cybersecurity consultancy from Ukraine. Its team of ethical hackers and consultants helps companies manage cyber risk while keeping the business flexible.
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Articles on this subject first, then the newest.
17 Sept 2026 · TrustList Editorial
What to check before hiring an app developer: store accounts and review rules, OWASP MASVS security, privacy declarations, ownership and…
4 Oct 2026 · TrustList Editorial
Indian cybersecurity startup Zaperon has raised Rs 7 crore in a seed round led by Inflection Point Ventures to build out its platform for…
4 Oct 2026 · TrustList Editorial
China's MIIT published 29 proposed recommended national-standard projects for comment from 30 September to 29 October 2026, headed by…
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