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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

Webtise Ltd
Mobile App Development · Social Media Marketing · Search Engine Optimization
Webtise is an award-winning digital marketing and web design agency specializing in:
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Infomaniak Network SA
Mobile App Development · Web Development · Web Design
Shared, cloud, dedicated Web + Mail Hosting, Streaming Live + VOD, domains, ... Priority is given to investing in quality services and support.
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KeyedIn Solutions, Inc.
Web Development · Web Design · UI/UX Design
KeyedIn Projects enables your PMO to be more strategic, more efficient, and deliver greater business impact by allowing you to easily forecast and allocate resources, create and…
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Search Intelligence Ltd
Mobile App Development · Search Engine Optimization · Web Development
Search Intelligence Ltd is an SEO and web development company based in Witney, Oxfordshire.
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Jump Twenty Four
Mobile App Development · Web Development · Web Design
We build wonderful web and mobile apps for businesses big and small. Small but specialized we are not a software house, nor are we a pure-play creative agency.
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DataMatters Ltd.
Web Development · Web Design · JavaScript
Datamatters is a computer software company that provides MultiValue/Pick application software and consulting services to the insurance industry.
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Design Junkie Ltd
Social Media Marketing · Search Engine Optimization · Web Development
We are a creative agency based in Huddersfield, West Yorkshire that strives to design with a personal touch that exceeds the needs and values of our clients.
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Arni Media
Mobile App Development · Web Development · Web Design
Arni Media is a design lead, new media agency, providing the best quality design for web and print.
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Boomerang Creative
Search Engine Optimization · Web Development · Web Design
We're your go-to digital agency in Newbury, Berkshire. Our experienced and friendly team of Web Designers, Graphic Designers, Developers, and Digital Marketers have many years of…
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Agent Software Ltd.
Search Engine Optimization · Web Development · Web Design
Agent Software builds cutting edge software for UK property professionals.
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Newsflare
Web Development · Web Design · PHP
Newsflare is where the world buys newsworthy and trending user-generated videos.
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DataTherapy
Mobile App Development · Web Development · Web Design
DataTherapy are Custom Software Developers with a Consulting approach.
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i6 Group
Mobile App Development · Web Development · Web Design
i6 specializing in web and mobile application development and systems integration to offer modern, flexible and modular software platforms for the aerospace, defence, utility, and…
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GCD Technologies
Mobile App Development · Web Development · Web Design
We are an award-winning team of problem solvers, analytical thinkers, visionary designers, and expert builders, who have a passion for learning.
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DutySheet Ltd
Web Development · Web Design · Frontend
DutySheet is the UK's leading volunteer management system specifically aimed at organizations using volunteers.
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Intrica Ltd
Mobile App Development · Web Development · Web Design
Intrica specializes in bespoke web and mobile development. We work for design agencies, corporate and educational establishments to provide high-quality systems, and well-supported…
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JG Web Development
Web Development · Web Design · Frontend
Here at JG Web Development, we pride ourselves in clean and quick coding. Our sites are done correctly the first time so clients won't have to deal with unexpected site downtime.
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Sonix Software
Mobile App Development · Web Development · Web Design
Bespoke Software Solutions. Sonix Software we believe in empowering our clients with I.T solutions that works for them, whilst promoting and maintaining sustainability within your…
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BuildEmpire Ltd
Mobile App Development · Web Development · Web Design
We are software development experts. At BuildEmpire, we’ve been helping businesses grow and succeed since 2002, building software & websites that help people solve problems.
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Invisible Systems
Search Engine Optimization · Web Development · Web Design
Invisible Systems are a dynamic and innovative company based in Cumbria that supply and design a wide range of wireless monitoring systems for a variety of applications.
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Nutickets
Mobile App Development · Social Media Marketing · Web Development
We may be a technology company, but we put people first. All our features are carefully thought out with the aim of uniting people to share experiences.
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Acuma Solutions
Web Development · Web Design · HTML5
Acuma, a leading provider of Information Management solutions, has unrivaled expertise in Business Intelligence and Information Management.
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eLama
Mobile App Development · Social Media Marketing · Web Development
eLama is one of the largest PPC advertising automation services.
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AppInstitute
Mobile App Development · Web Development · Web Design
If you have a local business a mobile app is a great way to reward repeat business customers, build loyalty, create social buzz and let new customers find out about you.
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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

Webtise Ltd

Infomaniak Network SA

KeyedIn Solutions, Inc.

Search Intelligence Ltd

Jump Twenty Four

DataMatters Ltd.

Design Junkie Ltd

Arni Media

Boomerang Creative

Agent Software Ltd.

Newsflare

DataTherapy

i6 Group

GCD Technologies

DutySheet Ltd

Intrica Ltd

JG Web Development

Sonix Software

BuildEmpire Ltd

Invisible Systems

Nutickets

Acuma Solutions

eLama

AppInstitute

Want to see your company here?

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Sponsor the Software Development ranking

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

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