Companies · category

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.

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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

R & W Media - Magento eCommerce Agency
Web Design · UI/UX Design · Software Development
R & W Media is a leading Magento eCommerce agency, based in the heart of London. Specializing in designing and building custom Magento solutions.
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Adgistics
Mobile App Development · Web Design · Software Development
Adgistics Is The Home Of Intelligent Brands. We’ve been at the forefront of Brand and Digital Asset Management software for nearly two decades.
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Rocket Lawyer
Mobile App Development · Web Design · UI/UX Design
Rocket Lawyer is the only integrated cloud legal service, making the law simple and affordable for everyone.
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Blinx Solutions
Web Design · UI/UX Design · Software Development
Our business is transparent. We enable you to see your business. To cut through the mountains of data to see what’s working well, what isn’t and where the risks are.
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OneUp Sales
Web Design · UI/UX Design · Software Development
OneUp Sales is a sales motivation & management platform designed to help sales leaders create a culture of success & celebration.
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Exient
Mobile App Development · Web Design · Software Development
In 2016, Exient will publish two new mobile titles based on world-renown brands.
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Gould Tech Solutions Limited
ERP Software Development · Web Design · Software Development
Gould Tech Solutions Ltd has provided clients with connectors, integrations, and highly automated systems to support the delivery of fast, accurate, and secure translation and…
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Treatwell
Mobile App Development · Web Design · iOS App
Treatwell is the brighter way to book beauty – whenever you (and by you we mean everyone) have a beauty want or need, we’re here to help you book it easily, quickly and with…
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Homeflow
Mobile App Development · Web Design · UI/UX Design
We help estate agents to win more instructions Homeflow is an award-winning SaaS business.
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ProtectBox Ltd
Web Design · UI/UX Design · iOS App
Cybersecurity comparison website & marketplace that automates the buying of cybersecurity (technology, people, processes) to be quick, simple and affordable for small and medium…
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Gandlake
Web Design · Software Development · E-Commerce Development
Gandlake is the UK's leading supplier of Corporate-wide Channel Shift solutions to Local Government.
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Synetec
Web Design · UI/UX Design · IT Services
Synetec is the trusted partner for reliable bespoke software solutions for operationally-critical environments.
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WhaleSlide
Web Design · UI/UX Design · iOS App
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KRM22
Web Design · UI/UX Design · iOS App
We help capital markets companies reduce the cost and complexity of risk management.
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Trainline
ERP Software Development · Web Design · Software Development
Trainline is the leading independent rail and coach travel platform selling rail and coach tickets to millions of travelers worldwide.
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BroadGroup
Web Design · UI/UX Design · IT Services
We are BroadGroup. BroadGroup was founded in 2002 with the aim of providing senior IT infrastructure executives and the enterprises they service a new perspective.
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BSMimpact
Web Design · IT Services · PHP
BSMimpact is a global consulting and training organization focused on the non-technical elements of ICT and engages in the provision of Business and IT services leveraging best…
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Radiate B2B
Social Media Marketing · Web Design · UI/UX Design
To date, automation has created a snakes and ladders board of short cuts for marketers. Each iteration has taken us further away from the customer.
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Magic Mayo
Social Media Marketing · Web Design · UI/UX Design
Magic Mayo is one of the leading companies offering various services relating to app and software development.
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ecosio
Web Design · IT Services · Android
ecosio is dedicated to creating smart connections between twenty-first-century companies.
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Genuine Solutions Group
Web Design · UI/UX Design · iOS App
Genuine Solutions Group is home to two businesses operating within the telecoms market and we are on a mission to save Planet Earth!
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Isotoma Ltd
Custom Software Development · UI/UX Design · eCommerce
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GB
Green Box
Web Design · PHP · JavaScript
Small Web Development company in London. We specialize in PHP development and Wordpress from websites to web applications, Intranets and Membership systems.
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IM
Institution Marketing & Advertising
Web Design · UI/UX Design · iOS App
We’ve seen the ad industry go through many changes. Some good. Some not so good. But some of the old ways, the thinking, the creativity, the edginess, are all still relevant today.
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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.

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

Top Web Development Companies in the UK

R & W Media - Magento eCommerce Agency

Adgistics

Rocket Lawyer

Blinx Solutions

OneUp Sales

Exient

Gould Tech Solutions Limited

Treatwell

Homeflow

ProtectBox Ltd

Gandlake

Synetec

WhaleSlide

KRM22

Trainline

BroadGroup

BSMimpact

Radiate B2B

Magic Mayo

ecosio

Genuine Solutions Group

Isotoma Ltd

Green Box

Institution Marketing & Advertising

Want to see your company here?

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How many web development companies are there in the UK?

How is this ranking worked out?

What else do firms in the UK offer?

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