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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

Intelligent Business Strategies
Web Development · Web Design · Mobile Platforms
Intelligent Business Strategies is an independent IT analyst and consulting company specializing in big data, business intelligence, information management, and business…
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Smartodds
Web Development · Web Design · UI/UX Design
Smartodds is a company based in North London which provides statistical research and consulting services about sports.
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SocraLogic Limited
Mobile App Development · Web Development · Web Design
We are a Software Development Consultancy capable of delivering 7 business-critical competencies: • Automation and Cloud Using the OIPOI™ model we help businesses leverage their…
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Coconut Lizard
Mobile App Development · Web Development · Web Design
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Brooks Macdonald
Mobile App Development · Web Development · Web Design
At Brooks Macdonald, our aim is to enhance our clients’ wealth through the provision of our investment solutions.
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Dade2
Mobile App Development · Web Development · Web Design
At Dade2, our mission is simple. We’re in business to help YOUR business succeed.
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BugFinders
Mobile App Development · Web Development · Web Design
BugFinders is a worldwide leading crowdsourced software testing company.
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ICE InsureTech
Mobile App Development · Web Development · Web Design
ICE InsureTech delivers highly configurable digital Policy and Claims solutions for Insurers, MGAs & Third-Party Administrators.
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SpectoLabs Ltd.
Mobile App Development · Web Development · Web Design
SpectoLabs is the company behind Hoverfly, a lightweight service virtualization tool available both on the Cloud and open source.
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Innovation Software Ltd
ERP Software Development · Web Development · UI/UX Design
Innovation Software is the authors of CreditForce, the leading Collections, and Working Capital Management Systems.
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Inhealthcare
Mobile App Development · Web Development · Web Design
Inhealthcare is a digital health and telehealth provider working with NHS organizations to digitize care.
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ELF Productivity Ltd
Web Development · Web Design · HTML5
ELF Productivity Ltd has been developing Employee Time / Absence Management and Access Control software for over 30 years.
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Qubic Group plc
Web Development · Web Design · UI/UX Design
Qubic was conceived in 1994 uniquely, as a voice and data systems integrator delivering the benefits of converged communications to commercial organizations and public sector…
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Marmot Labs Ltd
Mobile App Development · Web Design · UI/UX Design
We are a team of passionate technologists on a mission to make training and coaching programs work.
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Becrypt
Mobile App Development · Web Development · Web Design
With a heritage of creating National Cyber Security Centre certified products, Becrypt is a trusted provider of endpoint cybersecurity software solutions.
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Sigma Software Distribution
Web Development · Web Design · HTML5
At Sigma Software Distribution we take pride in offering our customers an unrivaled product portfolio coupled with fiercely competitive pricing and high caliber business…
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MuleSoft
Web Development · Cloud · SaaS
MuleSoft’s mission is to help organizations change and innovate faster by making it easy to connect the world’s applications, data, and devices.
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Cloudreach
Mobile App Development · Web Development · Web Design
As the leading cloud solutions provider, we’ve always done things differently.
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Chester Solutions Ltd
Mobile App Development · Web Development · Web Design
The directors of the business have over 12 years of experience working in the industry.
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Pulsant
Mobile App Development · Social Media Marketing · Web Development
We are one of the UK’s leading providers of regional datacentre services, colocation, and workplace recovery, with a core focus on security, resilience, and connectivity.
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Sutton Silver
Mobile App Development · Social Media Marketing · Search Engine Optimization
Sutton Silver is a web design and digital marketing agency based in Chester.
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Clicky Media
Mobile App Development · Social Media Marketing · Search Engine Optimization
Clicky is an award-winning, digital marketing agency with offices in Chester, Nottingham, and London.
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Eworks Manager
Mobile App Development · Web Development · UI/UX Design
Eworks Manager is a Job Management System allowing you to manage your jobs, staff, and paperwork from your office or mobile device.
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Airangel
Mobile App Development · Web Development · Web Design
Airangel provides cloud-first WiFi Solutions that are safe, secure, simple to manage and allows users to get online with minimum effort.
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For vendors

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

Top Software Development Companies in the UK

Intelligent Business Strategies

Smartodds

SocraLogic Limited

Coconut Lizard

Brooks Macdonald

Dade2

BugFinders

ICE InsureTech

SpectoLabs Ltd.

Innovation Software Ltd

Inhealthcare

ELF Productivity Ltd

Qubic Group plc

Marmot Labs Ltd

Becrypt

Sigma Software Distribution

MuleSoft

Cloudreach

Chester Solutions Ltd

Pulsant

Sutton Silver

Clicky Media

Eworks Manager

Airangel

Want to see your company here?

Get vetted

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?

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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