17 Sept 2026 · TrustList Editorial
Startup funding in the UK: the 2026 guide for founders
SEIS, EIS, VCTs, R&D tax relief, Innovate UK, British Business Bank programmes, angel networks and London accelerators: how UK startup…
1,532 IT service providers 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.
Between them, the 600 best-ranked of these 1,532 IT service providers cover web design (457), UI/UX design (321), android (245) and iOS app (243). They also list work in London. 593 of them have written a profile you can read before you get in touch.
TrustList ranks more than 1,500 web development companies in the UK, ordered on client reviews and profile quality, never on payment. At the top right now: Eton Digital Limited, Drupal Teams and Marzee Labs.
What to check before you shortlist a web development company

Web Design · UI/UX Design · IT Services
Cognifide is a WPP marketing technology consultancy that works with some of the world’s leading businesses to deliver exceptional customer experiences.

Web Design · Software Development · PHP
Datamatters is a computer software company that provides MultiValue/Pick application software and consulting services to the insurance industry.

Mobile App Development · Search Engine Optimization · Social Media Marketing
Passle is an Expert-to-Expert Sales and Marketing platform. It makes it much easier for knowledge-rich, time-poor experts to create insights that demonstrate their expertise online…

Web Design · UI/UX Design · iOS App
Testing Circle is a leading Software Testing Services provider to leading Finance, Telco, Government, Retail, Gaming, Media and FTSE 100 clients.

Web Design · UI/UX Design · iOS App
Sparta Global is a provider of technology and business services to public and private sector organisations, including the finance, insurance, media, retail, legal and telco…

Mobile App Development · Web Design · Software Development
We help you confidently navigate an ever more complex digital world.

Web Design · UI/UX Design · iOS App
We’re the UK leader in clinical IT systems for joined-up patient care.

Web Design · UI/UX Design · IT Services
Content and Code solves business challenges with creative IT solutions.

Search Engine Optimization · Web Design · UI/UX Design
We’re 383, a digital studio using the best people to create and make the right experiences for our clients.

Web Design · UI/UX Design · IT Services
TORSION delivers Secure Data Access Control, invisibly integrated with your business and IT.

Web Design · UI/UX Design · iOS App
Joseph Harry Limited is a recruitment and headhunting company that specializes in the provision of the contract and permanent IT staff to the financial sector.

Search Engine Optimization · Social Media Marketing · Web Design
Teamspirit is the UK’s leading fully integrated financial services agency, dedicated to transforming the world of finance for the better.

Search Engine Optimization · Social Media Marketing · Web Design
In an age where our lives are captured digitally, data is constantly being generated.

Web Design · UI/UX Design · E-Commerce Development
Coriolis TradeTech is the operating name of Coriolis Technologies Ltd.

Search Engine Optimization · Social Media Marketing · Web Design
Fat Media is a multi-award-winning website design and digital marketing company recognized as the ‘go-to’ company for high-end website design, development, and tactical digital…

Search Engine Optimization · Web Design · Software Development
Williams Lea Tag (WLT) is the leading independent provider of Marketing and Communications Services.

Web Design · UI/UX Design · Software Development
We put the pieces together! In the shifting landscape of online advertising, we work with everyone involved to get the best results for all parties.

Mobile App Development · Web Design · UI/UX Design
Software is our passion. We are software craftspeople. We build well-crafted software for our customers, we help developers to get better at their craft through training, coaching…

Web Design · UI/UX Design · iOS App
Scancom has a long tradition of leadership and innovation in the Airtime arena.

Web Design · UI/UX Design · iOS App
An 'About Us' page that's actually… about us. It's hard to describe our personality in words.

Web Design · UI/UX Design · IT Services
Optimising online human behaviour. We create, optimise and personalise customer experiences to increase revenue for our clients.

Social Media Marketing · Web Design · UI/UX Design
Ostmodern works with leading media, broadcast and sports brands to define product strategies, develop innovative solutions and build services that deliver tangible competitive…

Mobile App Development · Search Engine Optimization · Web Design
Proud digital partner to some of the world's largest sports federations, leagues and clubs.

Web Design · UI/UX Design · iOS App
Akin to a beautifully designed, content-rich and more creative version of LinkedIn, The Dots is an online community of creative professionals, designed to connect creatives with…
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The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.
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1,532 companies on TrustList offer web development and are based in the UK. That makes the UK the number 2 web development market we rank, after the USA.
Each firm's position comes from its client reviews and its profile, blended into one score:
No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work
We also rank web design (1,385), IT services (871) and software development (443) in the UK.
Every other way we rank it service providers — by what they do and where they are.
Articles on this subject first, then the newest.
17 Sept 2026 · TrustList Editorial
SEIS, EIS, VCTs, R&D tax relief, Innovate UK, British Business Bank programmes, angel networks and London accelerators: how UK startup…
23 Sept 2026 · TrustList Editorial
Our own count: two of the 122 AI models we publish record a date on which they stop being served. So we read nine providers’ own…
23 Sept 2026 · TrustList Editorial
OpenAI notified developers in March that the Videos API and all Sora 2 aliases and snapshots would be removed on 24 September 2026. That…
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