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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

Homeflow
Mobile App Development · Web Development · Web Design
We help estate agents to win more instructions Homeflow is an award-winning SaaS business.
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Gandlake
Web Development · Web Design · E-Commerce Development
Gandlake is the UK's leading supplier of Corporate-wide Channel Shift solutions to Local Government.
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Trainline
ERP Software Development · Web Development · Web Design
Trainline is the leading independent rail and coach travel platform selling rail and coach tickets to millions of travelers worldwide.
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Movebubble
Mobile App Development · Web Development · Web Design
Movebubble came about as a result of our founders’ terrible renting experiences.
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Taskfeed
Web Development · Cloud
Taskfeed is now Precursive. Our unified company mission is to help companies see success faster.
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Immersive Labs
Web Development · Web Design · UI/UX Design
Welcome to Immersive Labs. We operate a real-time, gamified learning system for security skills, derived from threat intelligence and accessed entirely within the browser, anytime,…
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Inspiretec Ltd
Web Development · Web Design · UI/UX Design
Inspiretec is formed of travel technology company Comtec, multichannel e-commerce technology partner Eysys, creative digital agency Sequence, Finance & HR company Clarius and…
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AND Digital
Mobile App Development · Web Development · Web Design
AND Digital accelerates the development of world-class digital capabilities, and we power the product development of ambitious companies - from British Airways and Conde Nast to…
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iris worldwide
Social Media Marketing · Web Development · Web Design
You won’t catch us or our clients playing it safe. Iris. For the forward.
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Konstructive
Web Development · Web Design · UI/UX Design
Konstructive delivers award-winning digital design and technology solutions to both the B2B and retail sectors.
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Bright Analytics
Web Development · Web Design · Data Science
Bright Analytics is a modern data analysis and data-visualization platform focused on Marketing and Business Performance, that can be deployed as an end-to-end solution or on a…
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mydayEDUCATION
Web Development · Web Design · UI/UX Design
Collabco specialise in providing technology solutions for education establishments.
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GradTouch
Web Development · Web Design · Frontend
We are GradTouch. The innovative job advertising platform for graduate employers of all sizes.
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Ims Evolve
Web Development · Web Design · Cloud
Founded in 1999, IMS Evolve is the Industrial Internet of Things (IIoT) Company.
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Splyt
Web Development · Web Design · UI/UX Design
Splyt Technologies Ltd. enables global mobility roaming. We are the largest B2B mobility marketplace, connecting institutional supply and demand for ground-based transport…
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Digi2al Ltd
Artificial Intelligence - AI · Mobile App Development · Web Development
Hello. We’re Digi2al. Over the last five years, we’ve built award-winning digital services, that have changed the way users engage with the public sector.
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Midnight Studio
Search Engine Optimization · Web Development · Web Design
Design, development and technical strategy for small businesses. We help new businesses take their ideas and turn them into tangible websites and web apps.
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Attach Digital
Web Development · Web Design · UI/UX Design
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Webrevolve
Social Media Marketing · Search Engine Optimization · Web Development
We’re fuelled by a passion for solving problems and crafting beautiful solutions that deliver results, Webrevolve is a digital agency dedicated to creating high-performance…
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Evosite
Mobile App Development · Web Development · Web Design
We are digital experts determined to find a superior solution. We know that your online platforms could be more attractive, less complicated, should work harder and convert better.
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D2 Interactive
Search Engine Optimization · Web Development · Web Design
D2 Interactive is a web & mobile development agency based in the City of London, known for Smart Rewards and Smart Spaces.
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Brandworkz
Social Media Marketing · Web Development · Web Design
Brandworkz Brand Management Software is here to help simplify and streamline the management of all your brand elements and brand assets.
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DigitalBridge HQ
Web Development · Web Design · UI/UX Design
DigitalBridge is a Guided Design platform that helps kitchen and bathroom retailers streamline their customers’ renovation process.
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SO technology
Mobile App Development · Social Media Marketing · Web Development
We're an award-winning design & technology company. We create awesome web and mobile apps that help businesses scale up.
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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

Homeflow

Gandlake

Trainline

Movebubble

Taskfeed

Immersive Labs

Inspiretec Ltd

AND Digital

iris worldwide

Konstructive

Bright Analytics

mydayEDUCATION

GradTouch

Ims Evolve

Splyt

Digi2al Ltd

Midnight Studio

Attach Digital

Webrevolve

Evosite

D2 Interactive

Brandworkz

DigitalBridge HQ

SO technology

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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?

Software Development in other countries

Other services in the UK

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Navigating the Selection Process: Tips for Choosing the Right Custom Software Development Firm

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