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Top Software Development Companies in the UK

444 IT service providers ranked by rating, review volume and listing quality.

Software development here means building software to order — a product, an internal system, or a replacement for something that has outgrown a spreadsheet. It spans firms that take a specification and deliver against it, and teams that work discovery-first and expect the specification to change.

The distinction worth establishing early is who owns the decisions. A supplier that builds exactly what was asked will deliver exactly what was asked, including the parts that were wrong. A partner that pushes back costs more in meetings and less in rework. Neither is better in the abstract; they suit different buyers and different projects, and the mismatch is where these engagements go wrong.

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Between them, the 443 best-ranked of these 444 IT service providers cover web development (386), web design (346), UI/UX design (207) and mobile app development (169). 434 of them have written a profile you can read before you get in touch.

TrustList ranks more than 400 software development companies in the UK, ordered on client reviews and profile quality, never on payment. At the top right now: Zepto Systems ltd, ADVOX Studio and Multi-Programming Solutions.

What to check before you shortlist a software development company

A discovery or specification phase before a fixed estimate
Who is on the team, and whether they stay for the whole project
That you own the intellectual property and the source code
Testing, documentation and maintenance after release

Filter by fitbudget, engagement, size and more

Can Studios Ltd
Mobile App Development · Web Development · Web Design
Established over 10 years ago and based in our dynamic studio in the heart of Sheffield, Can Studios Ltd. develop software solutions for learning and human resources requirements.
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Cocoon Development Ltd
Mobile App Development · Web Development · Web Design
Cocoon is a small team of passionate designers and developers aspiring to provide the best user experience possible without compromising on design.
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The Student Room Group
Social Media Marketing · Web Development · Web Design
The Student Room is the home of peer-to-peer discussion and in the unique position of attracting over 75% of UK students onto www.thestudentroom.co.uk and www.getrevising.com.
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The Developer Society
Search Engine Optimization · Web Development · Web Design
Dedicated to creating technology to make the world a better place, we are the world’s first nonprofit team of developers and campaigners run by and for the nonprofit sector.
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W2O Group
Mobile App Development · Social Media Marketing · Web Development
W2O is the leading independent provider of analytics-driven, digital-first marketing services and communications to the healthcare sector.
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WDL (Website Design Ltd)
Mobile App Development · Web Development · Web Design
WDL is a full-service digital agency, based in Colchester, Essex.
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Websites4Pubs
Mobile App Development · Web Development · Web Design
We are the UK Pub Industry's leading specialist website builder. We know how important it is to rely on suppliers to help with the smooth running of a business.
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Zenitech
Mobile App Development · Web Development · Web Design
We are a community of 160 people across London, Cluj-Napoca, and Vilnius who combine creativity and expertise to deliver the IT solutions that help build future-ready businesses.
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Six Degrees Group
Mobile App Development · Web Development · Web Design
Six Degrees is a cloud-led managed service provider. It works as a collaborative technology partner to businesses making a digital transition.
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Finalsite UK
Social Media Marketing · Search Engine Optimization · Web Development
Since 1998, Finalsite has been bringing cutting-edge web design and web software to leading independent schools, colleges, and organizations around the world.
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Livelink New Media
Social Media Marketing · Search Engine Optimization · Web Development
We’re an award-winning digital agency, based in the center of Manchester, and provide a full range of services to help you build lasting and profitable relationships with your…
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PiXL3
Search Engine Optimization · Web Development · Web Design
If you need a beautiful, responsive website site that works across every device, we'd love to hear from you! We design beautiful web experiences on world-class platforms.
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Reason Digital
Social Media Marketing · Search Engine Optimization · Web Development
At Reason Digital we make digital do good. As a social enterprise, we work with charities, housing associations and other pro-social organizations to tackle major issues with…
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PMA Digital Ltd
Mobile App Development · Social Media Marketing · Web Development
We have been making Ideas Work for our clients since 1992. Our philosophy is simple; we understand that the start of a project requires excellent creative talent, but to make the…
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QuantumBlack
IT Services · Data Science · Cloud
QuantumBlack, a McKinsey Company, helps companies use data to drive decisions.
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MMT Digital
Mobile App Development · Web Development · Web Design
MMT Digital, a technical consultancy specializing in the delivery of effective digital solutions, supports CIOs, CTOs, and CDOs to drive faster change and increased customer value.
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Netrix Ltd
Web Development · Web Design · UI/UX Design
Netrix creates effective digital experiences across platforms and devices.
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Mettrr
Web Development · Web Design · UI/UX Design
Mettrr is a DIFM (Do It For Me) website design, build and management service purpose-built for small businesses across the world.
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Oxbotica
Artificial Intelligence - AI · Search Engine Optimization · Web Development
Oxbotica was founded in 2014 by Oxford professors, Paul Newman and Ingmar Posner.
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Axiell UK
Frontend · PHP · Backend
We are a specialist provider of innovative end-to-end technology solutions for public libraries, offering open, modular and extensible software, high-tech hardware and a range of…
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cloudThing
Mobile App Development · Web Development · Web Design
cloudThing was born in 2012, with a mission to bring together the brightest thinkers and boldest business experts to help businesses take advantage of the incredible technology…
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T101 Ltd
Web Development · Web Design · Mobile Platforms
Creating deeper connections. Our aim is to creatively connect people through technology.
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OnTrack Retail
Mobile App Development · Web Development · Web Design
In 2014, passenger transport giant Go-Ahead and rail specialist software company Assertis joined forces to create OnTrack Retail.
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Boxmodel
Mobile App Development · Search Engine Optimization · Web Development
At Box model, we are specialist software architects that deliver bespoke business solutions to organizations across the UK and beyond.
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How many software development companies are there in the UK?

444 companies on TrustList offer software development and are based in the UK. That makes the UK the number 2 software 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 development (1,531), web design (1,385) and IT services (871) in the UK.

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Top Software Development Companies in the UK

Can Studios Ltd

Cocoon Development Ltd

The Student Room Group

The Developer Society

W2O Group

WDL (Website Design Ltd)

Websites4Pubs

Zenitech

Six Degrees Group

Finalsite UK

Livelink New Media

PiXL3

Reason Digital

PMA Digital Ltd

QuantumBlack

MMT Digital

Netrix Ltd

Mettrr

Oxbotica

Axiell UK

cloudThing

T101 Ltd

OnTrack Retail

Boxmodel

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How many software 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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