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Top Web Development Companies in the UK

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

  • Live sites they built, and whether those clients still use them
  • That the stack suits whoever maintains the site after launch (a CMS your team can edit, or custom code)
  • Hosting, security updates and the handover of code and credentials, written into the contract
  • Performance and accessibility targets agreed before build, not after
Filter by fitbudget, engagement, size and more

Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. Cognifide logo

    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.

  2. DataMatters Ltd. logo

    Web Design · Software Development · PHP

    Datamatters is a computer software company that provides MultiValue/Pick application software and consulting services to the insurance industry.

  3. Passle logo

    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…

  4. Testing Circle logo

    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.

  5. Sparta Global logo

    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…

  6. TheTin logo

    Mobile App Development · Web Design · Software Development

    We help you confidently navigate an ever more complex digital world.

  7. EMIS Health logo

    Web Design · UI/UX Design · iOS App

    We’re the UK leader in clinical IT systems for joined-up patient care.

  8. Content and Code logo

    Web Design · UI/UX Design · IT Services

    Content and Code solves business challenges with creative IT solutions.

  9. 383 logo

    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.

  10. Torsion Information Security logo

    Web Design · UI/UX Design · IT Services

    TORSION delivers Secure Data Access Control, invisibly integrated with your business and IT.

  11. Joseph Harry LTD logo

    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.

  12. Teamspirit logo

    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.

  13. Address Intelligence logo

    Search Engine Optimization · Social Media Marketing · Web Design

    In an age where our lives are captured digitally, data is constantly being generated.

  14. Coriolis TradeTech logo

    Web Design · UI/UX Design · E-Commerce Development

    Coriolis TradeTech is the operating name of Coriolis Technologies Ltd.

  15. Fat Media Limited logo

    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…

  16. Williams Lea Tag logo

    Search Engine Optimization · Web Design · Software Development

    Williams Lea Tag (WLT) is the leading independent provider of Marketing and Communications Services.

  17. Red Apple Digital logo

    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.

  18. Codurance logo

    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…

  19. Scancom Distribution Limited logo

    Web Design · UI/UX Design · iOS App

    Scancom has a long tradition of leadership and innovation in the Airtime arena.

  20. Bunting logo

    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.

  21. Endless Gain logo

    Web Design · UI/UX Design · IT Services

    Optimising online human behaviour. We create, optimise and personalise customer experiences to increase revenue for our clients.

  22. Ostmodern logo

    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…

  23. Pulselive logo

    Mobile App Development · Search Engine Optimization · Web Design

    Proud digital partner to some of the world's largest sports federations, leagues and clubs.

  24. The Dots logo

    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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  • A Sponsored card above the Web Development ranked list
  • Marked Sponsored, and it never changes the order
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How many web development companies are there in the UK?

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.

How is this ranking worked out?

Each firm's position comes from its client reviews and its profile, blended into one score:

  • Rating, smoothed so a single five-star review cannot outrank a firm with hundreds of good ones
  • Review volume, with diminishing returns
  • Profile completeness: the details a buyer needs to judge the firm
  • Earned trust: verification and awards, as a small lift

No firm can pay for a position. Sponsored listings are labelled and shown apart from this list. How rankings work

What else do firms in the UK offer?

We also rank web design (1,385), IT services (871) and software development (443) in the UK.

Web Development in other countries

Other services in the UK

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