22 Oct 2026 · TrustList Editorial
Studio breach may have exposed every account's API keys and form data
The Japanese no-code site builder says an attacker reached its cloud environment on 30 September and 1 October and read the key that…
143 cybersecurity companies ranked by rating, review volume and listing quality.
Web design is the part of a website a visitor experiences directly: layout, typography, imagery, and how a page behaves on a phone as well as a desktop. It overlaps with web development and is often sold alongside it, but the skills are distinct — design decides what the thing should be, development makes it work.
Providers differ most in what they hand over. Some deliver a design system — components, states and rules a developer can build against — while others deliver flat mockups of a handful of pages. Ask what happens to the screens nobody drew: an error state, an empty list, a very long company name. Ask whether accessibility is part of the work or an afterthought, because retrofitting it is considerably more expensive than designing for it.
Between them, the 143 cybersecurity companies on this page cover web development (139), IT services (119), iOS app (81) and android (80). They also list work in United States of America, United Kingdom, Ireland and Sweden. 143 of them have written a profile you can read before you get in touch.

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

Mobile App Development · Web Development · iOS App · 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 · IT Services · IoT · Also in United Kingdom
Pen Test Partners is a cyber security consultancy built around penetration testers.

Web Development · Software Development · .NET · Also in United Kingdom
PortSwigger Web Security develops software for testing the security of web applications. Its main product is Burp Suite, used by penetration testers and security professionals.

Custom Software Development · Web Development · IT Services · Also in United Kingdom
OnSecurity is a penetration testing company for UK businesses. Instead of the usual scoping and paperwork, clients add their targets in an online portal and pick a start date.

Web Development · IT Services · UI/UX Design · Also in United Kingdom
OutThink is a cloud-based human risk management platform for cybersecurity teams.

Web Development · iOS App · UI/UX Design · Also in United Kingdom
Cybanetix is a cyber security provider that runs managed security services and hosted security monitoring for its customers.

Mobile App Development · Web Development · iOS App · 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 · IT Services · iOS App · Also in United States of America
Sophos is a cybersecurity company that protects laptops, servers, mobile devices and networks against threats such as ransomware, malware, phishing and data theft.

Web Development · IT Services · iOS App · Also in United States of America
Proofpoint is a cybersecurity company that focuses on attacks aimed at people rather than machines.

Custom Software Development · Web Development · Cybersecurity · Also in United Kingdom
Torsion Information Security makes software that sorts out who has access to which files, folders and sites.

Web Development · IT Services · iOS App · Also in United States of America
Forescout Technologies develops security software that finds and classifies devices connected to a network and lets organisations act on what they find.

Web Development · IT Services · React Native · Also in United States of America
Thales eSecurity provides data security products and services for companies and governments.

Web Development · IT Services · React Native · 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.

Mobile App Development · Web Development · 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 · IT Services · Cybersecurity · Also in United Kingdom
Cyber Risk Management Group, known as CRMG, is a cyber security and information risk consultancy.

Web Development · IT Services · iOS App · Also in United States of America
AlgoSec makes network security management software. Its Horizon platform automates application connectivity and security policy across cloud, software-defined and on-premise…

Mobile App Development · Web Development · IT Services · Also in United States of America
Pulse Secure was a supplier of secure network access software for businesses and service providers.

Web Development · IT Services · UI/UX Design · Also in United Kingdom
Veridium builds software that replaces passwords with biometric authentication, so a face, fingerprint or voice confirms a user's identity.

Mobile App Development · Web Development · IT Services · Also in United Kingdom
Trust infrastructure and identity consulting for open finance, digital identity and secure connections between organisations

Web Development · IT Services · iOS App · Also in United Kingdom
Osirium is a UK software company working on privileged account security.

Web Development · IT Services · iOS App · Also in United Kingdom
Intellect Security Ltd is a UK information security provider. It has served clients since 2002 and says it has worked with more than 2,000 customers.

Web Development · IT Services · React Native · Also in United Kingdom
Boldon James specialises in data classification and secure messaging software. It belongs to the QinetiQ group and has around thirty years of experience in the field.

Web Development · IT Services · iOS App · Also in United Kingdom
Context Information Security is a cybersecurity consultancy that has operated since 1998. It describes itself as independently run, with backing from a FTSE 250 group.
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Articles on this subject first, then the newest.
22 Oct 2026 · TrustList Editorial
The Japanese no-code site builder says an attacker reached its cloud environment on 30 September and 1 October and read the key that…
23 Oct 2026 · TrustList Editorial
Small businesses and self-employed professionals can claim up to half their spending, capped at €20,000, on cloud and security from…
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…
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