Companies · category

Top Cybersecurity Companies for Web Development

179 cybersecurity companies ranked by rating, review volume and listing quality.

Web development covers building and running the software behind a website or web application — the pages a visitor sees, the systems underneath them, and the work of keeping both online afterwards. In practice the label spans very different jobs: a brochure site on a content management system, a customer portal wired into an existing back office, and a full product delivered as a web application are all sold as web development.

The questions that separate providers are less about language and more about scope. Does the engagement end at launch, or does it include hosting, monitoring and updates? Who owns the code and the repository afterwards? Is the work fixed-price against a specification or time-and-materials against a backlog? A team that builds well but hands over nothing maintainable costs more in the second year than it saved in the first.

Want your company here?

Between them, the 179 cybersecurity companies on this page cover web design (142), IT services (129), iOS app (110) and android (109). They also list work in United States of America, United Kingdom and Ireland. 179 of them have written a profile you can read before you get in touch.

Filter by fitbudget, engagement, size and more

Optimum-web
Mobile App Development · Web Design · Quality Assurance · Also in Ukraine
Optimum-web is a software development company that has operated since 1999 from Chisinau, Moldova.
Write a review
Bastille
Mobile App Development · HTML5 · 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.
Write a review
Kudelski Group
Mobile App 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.
Write a review
NetObjex Inc.
Mobile App 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.
Write a review
Senrio
Mobile App 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.
Write a review
Zingbox Inc.
Mobile App Development · iOS App · Android · Also in United States of America
Zingbox Inc. makes IoT security software that protects organisations from cyber and insider threats.
Write a review
Securolytics
Mobile App 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
Write a review
Connected Space Ltd
Mobile App 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.
Write a review
Palindrome
Mobile App Development · iOS App · Android · Also in United States of America
Palindrome Technologies is an information security research and testing company.
Write a review
Phosphorus Cybersecurity Inc.
Mobile App 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.
Write a review
TeskaLabs
Mobile App 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.
Write a review
TUV Rheinland OpenSky
Mobile App 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.
Write a review
Security Innovation
Mobile App 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.
Write a review
Bearer
Mobile App Development · Web Design · 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.
Write a review
Pen Test Partners
Web Design · IT Services · IoT · Also in United Kingdom
Pen Test Partners is a cyber security consultancy built around penetration testers.
Write a review
PortSwigger Web Security
Web Design · 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.
Write a review
OnSecurity
Custom Software Development · Web Design · 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.
Write a review
OutThink
Web Design · IT Services · UI/UX Design · Also in United Kingdom
OutThink is a cloud-based human risk management platform for cybersecurity teams.
Write a review
Cybanetix
Web Design · 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.
Write a review
Becrypt
Mobile App Development · Web Design · 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.
Write a review
Sophos
Web Design · 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.
Write a review
Proofpoint
Web Design · 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.
Write a review
Torsion Information Security
Custom Software Development · Web Design · Cybersecurity · Also in United Kingdom
Torsion Information Security makes software that sorts out who has access to which files, folders and sites.
Write a review
Paladion
Mobile App 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.
Write a review

For vendors

Want to see your company here?

The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

We check your registration, your website and your clients
Approved listings show the Verified badge here and on their profile
It earns a rank number and counts towards the TrustList Score; renewed yearly

Apply for vetting How vetting works

Sponsor this ranking

Paid · always labelled

A Sponsored card above the ranked list, up to three per ranking
Marked Sponsored, and it never changes the order
Booked by the month; cancel any time

Sponsor this ranking See prices

Same subject

More cybersecurity companies rankings

Every other way we rank cybersecurity companies — by what they do and where they are.

All 74 rankings

Articles

More categories

Jump to another ranked category.

All categories

Keep exploring

More on TrustList

Everything here links back to the same verified catalogue. Pick your next stop.

Top Cybersecurity Companies for Web Development

Optimum-web

Bastille

Kudelski Group

NetObjex Inc.

Senrio

Zingbox Inc.

Securolytics

Connected Space Ltd

Palindrome

Phosphorus Cybersecurity Inc.

TeskaLabs

TUV Rheinland OpenSky

Security Innovation

Bearer

Pen Test Partners

PortSwigger Web Security

OnSecurity

OutThink

Cybanetix

Becrypt

Sophos

Proofpoint

Torsion Information Security

Paladion

Want to see your company here?

Get vetted

Sponsor this ranking

More cybersecurity companies rankings

Related reading

Apache HTTP Server 2.4.69 fixes 23 vulnerabilities, including memory-safety flaws in mod_http2 and mod_dav: update web servers

Solo, Mozilla’s AI website builder for small businesses, shuts down: sites and data are deleted on 30 November 2026

SharePoint Server CVE-2026-65660 and WordPress CVE-2026-87902 are now exploited: check the August SharePoint update and WordPress 7.1.2

More categories

More on TrustList