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

durhamlane
Web Design · UI/UX Design · iOS App
durhamlane is a revenue acceleration consultancy. We help organizations increase their revenues, profits and build stronger customer relationships by focusing on sales performance.
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Dev Academy UK
Web Design · UI/UX Design · iOS App
Dev Academy was established in 2012 and following a lot of consultation with industry and government, it commenced its first course in 2014.
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Cravens
Web Design · iOS App · IT Services
We believe a strong purpose should be at the heart of every organization. It can inspire, cut complexity and answer the questions in business that matter.
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Aquarium Software
Custom Software Development · UI/UX Design · Software Development
We are an elite group of entrepreneurial technologists who in 2006 founded Aquarium and brought a shared vision to life.
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Quantanite
Web Design · UI/UX Design · IT Services
Quantanite is a global professional services company focusing on business process automation and offshoring.
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Sage
Web Design · UI/UX Design · IT Services
Be Sage. Build on. At Sage, we transform the way people think and work, enabling their organizations to thrive.
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NashTech Limited
Web Design · UI/UX Design · iOS App
NashTech has been delivering Consulting, Software Solutions and BPO from its development centers in Vietnam since 2000.
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@DevHub
Web Design · UI/UX Design · iOS App
Build your team in eight weeks and scale at your own pace. @DevHub was launched to reinvent the traditional IT outsourcing world because; quite frankly, we feel it’s outdated, not…
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Global Sourcing Association UK
Web Design · iOS App · IT Services
The GSA is the leading association serving both the outsourcing professional and the global outsourcing industry.
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Catalyst IT Europe Limited
Custom Software Development · Web Design · UI/UX Design
Catalyst IT is a world-leading open-source company with an international reputation for delivering quality software while following strong open source development practices.
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Ascensos
Web Design · UI/UX Design · iOS App
Ascensos is built on our belief that not all contact centres need be the same. We are owner-managed, quality-focused and agile offering our clients an unfair advantage.
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OnSecurity
Custom Software Development · Web Design · IT Services
OnSecurity replaces the overhead of traditional penetration testing firms with a simple online interface.
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AppyWay
Web Design · iOS App · Software Development
Ours is a journey that’s certainly been around the houses. We started out as AppyParking. An app made to solve the frustration of finding a parking space.
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Allied Worldwide
Web Design · iOS App · IT Services
We are a global provider of IT Resources, IT Managed Services and flexible, ad-hoc IT Resource and Project Support to organizations in over 40 countries.
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Cazoo
Web Design · UI/UX Design · Software Development
Our mission is to transform the way people buy used cars. We realized that whilst people love their cars, they don’t always like the process of buying and selling them.
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Smart DCC
Web Design · UI/UX Design · iOS App
At the DCC, we believe in making Britain more connected, so we can all lead smarter greener lives. We’re creating this future by digitizing Britain’s energy infrastructure.
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Ocado Technology
Custom Software Development · UI/UX Design · Software Development
Ocado Technology is powering the future of online retail through disruptive innovation.
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3T Logistics
Web Design · Software Development · IT Services
3t Logistics is a global leader in the delivery of transportation and supply chain management solutions that improve service levels, drive down costs and ultimately create…
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Capita
Web Design · UI/UX Design · iOS App
We deliver innovative solutions and simplify the connections between businesses and customers, governments and citizens.
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Kalibrate
Custom Software Development · Web Design · IT Services
Kalibrate’s decision-making software empowers fuel and convenience retailers across the globe with the market intelligence, micro-local data, and precision pricing and planning…
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Tech Nation
Web Design · UI/UX Design · IT Services
We believe the UK is the best place in the world to start and grow a digital business Tech Nation empowers ambitious tech entrepreneurs to scale faster through growth programmes,…
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Systems Technology
Web Design · iOS App · Software Development
Systems Technology is an award-winning organization providing premium devices, managed print services, and bespoke technology solutions - with a twist.
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Digivante
Search Engine Optimization · Social Media Marketing · Web Design
Google, Amazon, and Facebook have set the bar high for digital experience. Customers are no longer willing to settle for less.
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IMImobile
Web Design · iOS App · IT Services
IMImobile is a UK based, global cloud communications software and solutions provider that enables companies to use mobile and digital technologies to improve and automate customer…
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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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Top Web Development Companies in the UK

durhamlane

Dev Academy UK

Cravens

Aquarium Software

Quantanite

Sage

NashTech Limited

@DevHub

Global Sourcing Association UK

Catalyst IT Europe Limited

Ascensos

OnSecurity

AppyWay

Allied Worldwide

Cazoo

Smart DCC

Ocado Technology

3T Logistics

Capita

Kalibrate

Tech Nation

Systems Technology

Digivante

IMImobile

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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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