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 · Web Design · Quality Assurance · Also in Ukraine
Optimum-web is a software development company that has operated since 1999 from Chisinau, Moldova.

Web Development · .NET · PHP · Also in United States of America
Bastille is a cybersecurity company, founded in 2014, that detects and locates wireless devices in an organisation's airspace.

Web Development · iOS App · Android · Also in Switzerland
Kudelski Group is a digital security and media technology company. Its technologies support access control and rights management for digital content.

Web Development · iOS App · Android · Also in United States of America
NetObjex Inc. is a technology consulting company working in blockchain, artificial intelligence and the Internet of Things.

Web 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.

Web Development · iOS App · Android · Also in United States of America
Zingbox Inc. makes IoT security software that protects organisations from cyber and insider threats.

Web 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

Web Development · iOS App · Android · Also in United Kingdom
Connected Space Ltd is the company behind Sauron Security, a cyber defence system for enterprise and industrial IoT devices.

Web Development · iOS App · Android · Also in United States of America
Palindrome Technologies is an information security research and testing company.

Web Development · iOS App · Android · Also in United States of America
Phosphorus Cybersecurity Inc. makes software that protects Internet of Things and other connected cyber-physical devices.

Web 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.

Web 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.

Web 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.

Web Development · iOS App · Web Design · Also in France
Bearer makes static application security testing software for developers. Its site now says the company has been acquired by Cycode, an application security posture platform.

Web Development · iOS App · Web Design · Also in United Kingdom
Becrypt makes high assurance cyber security software, building on a history of products certified by the National Cyber Security Centre.

Web Development · iOS App · UI/UX Design · Also in United States of America
Paladion is a managed security service provider with more than a decade of experience, working with organisations across Asia, the US and EMEA. Its stated priority is IT security.

iOS App · Software Development · Mobile Platforms · Also in United Kingdom
CriticalBlue is an Edinburgh software company with a branch office in San Jose, California.

Web Development · iOS App · UI/UX Design · Also in United States of America
Qualys is a US-listed company that sells cloud-based security and compliance software.

Web Development · iOS App · UI/UX Design · Also in United States of America
Netskope is a security and networking company focused on the cloud.

Web Development · Web Design · Cybersecurity · Also in United Kingdom
Deep Secure is a privately owned cyber security company with its headquarters in Malvern, UK, and a satellite office in London.

Web Development · iOS App · UI/UX Design · Also in Hyderabad and Mumbai
Offensive security company providing penetration testing, red teaming and managed vulnerability services for enterprises

Web Development · iOS App · UI/UX Design · Also in United States of America
Pulse Secure was a supplier of secure network access software for businesses and service providers.

Web Development · iOS App · UI/UX Design · Also in United Kingdom
Trust infrastructure and identity consulting for open finance, digital identity and secure connections between organisations

E-Commerce Development · Software Development · Web Security · Also in Mumbai
SecurWires Technologies and Services is a company focused on cyber and information security.
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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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