Companies · category

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

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Privitar
Mobile App Development · Web Development · Web Design
We're Privitar. We create software designed for enterprise-wide privacy protection.
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Circus Street
Mobile App Development · Social Media Marketing · Web Development
As digital disruption continues to drive significant global change, how do you keep up?
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Amido
Mobile App Development · Social Media Marketing · Web Development
Amido is an independent, vendor-agnostic technical consultancy specializing in designing and implementing cloud-native solutions.
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Intelliflo Ltd
Web Development · Web Design · Software Testing
Intelliflo (www.Intelliflo.com) has been providing information technology services to financial services companies since its formation in 2004.
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Screenmedia
Mobile App Development · Web Development · Web Design
Screenmedia is an award-winning innovation, design, and technology practice working across all aspects of the digital ecosystem from cross-platform mobile and responsive web, to…
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DeeperThanBlue (Ltd)
Mobile App Development · Web Development · Mobile Platforms
A dynamic IBM Solution (Business) Premier Partner with a focus on Digital Channels, Business Change and Transformation using:
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Qim info SA
Mobile App Development · Web Development · Web Design
Qim info SA est une société de services en ingénierie informatique fondée en 2004, implantée à Genève, Lausanne, Zürich et Grenoble.
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Software Hub
Mobile App Development · Social Media Marketing · Web Development
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Natterbox Limited
Mobile App Development · Web Development · Web Design
Natterbox offers a complete business phone system & contact center 100% natively embedded in Salesforce.
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Microserve
Web Development · Web Design · UI/UX Design
Microserve is an IT solutions company rooted in a philosophy of long-term partnerships and continuous innovation.
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Qudini Ltd
Web Development · Web Design · Software Testing
Qudini offers market-pioneering Retail Choreography solutions to enterprise-level retailers on a global scale, empowering them to choreograph and analyze everything that takes…
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Smartia
Artificial Intelligence - AI · Web Development · Web Design
A new dimension in industrial intelligence, Smartia provides scalable AI solutions that connect and transform industrial data into actionable insights.
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Angels Media
Social Media Marketing · Web Development · Web Design
Angels Media is a Marketing & Public Relations agency working in the property and finance spheres.
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TheTin
Mobile App Development · Web Development · Web Design
We help you confidently navigate an ever more complex digital world.
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Williams Lea Tag
Search Engine Optimization · Web Development · Web Design
Williams Lea Tag (WLT) is the leading independent provider of Marketing and Communications Services.
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Red Apple Digital
Web Development · Web Design · UI/UX Design
We put the pieces together! In the shifting landscape of online advertising, we work with everyone involved to get the best results for all parties.
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Pulselive
Mobile App Development · Search Engine Optimization · Web Development
Proud digital partner to some of the world's largest sports federations, leagues and clubs.
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The Dots
Web Development · Web Design · UI/UX Design
Akin to a beautifully designed, content-rich and more creative version of LinkedIn, The Dots is an online community of creative professionals, designed to connect creatives with…
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SentiSum
Custom Software Development · Big Data · CMS Development
Understanding your customer is challenging but we are on a mission to make it easy, scalable and accurate.
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Matillion
Mobile App Development · Web Development · Web Design
Matillion is data transformation for cloud data warehouses. Only Matillion is purpose-built for Amazon Redshift, Snowflake, and Google BigQuery enabling businesses to achieve new…
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Codemix LTD
Mobile App Development · Web Development · Web Design
We help companies achieve their goals through software. We're a York-based team of software developers who work with companies large and small to solve real-world business…
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Courts Design Ltd
Mobile App Development · Social Media Marketing · Web Development
Courts Design is an award-winning full-service creative agency. We have over thirty years of experience working with small & large companies across a multitude of industry sectors.
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SO Marketing. Innovators. Creators.
Social Media Marketing · Web Development · Web Design
We are So Marketing. Innovators. Creators. Grafters. Nerds. We’ve been around for over 14 years, and we have an impressive portfolio. But this is just the beginning.
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Redgate Software
Web Development · Web Design · E-Commerce Development
Redgate Software was founded in 1999 and, in the 20 years since then, has grown from offering a handful of tools to providing a full suite of database development solutions that…
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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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Every other way we rank it service providers — by what they do and where they are.

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

Top Software Development Companies in the UK

Privitar

Circus Street

Amido

Intelliflo Ltd

Screenmedia

DeeperThanBlue (Ltd)

Qim info SA

Software Hub

Natterbox Limited

Microserve

Qudini Ltd

Smartia

Angels Media

TheTin

Williams Lea Tag

Red Apple Digital

Pulselive

The Dots

SentiSum

Matillion

Codemix LTD

Courts Design Ltd

SO Marketing. Innovators. Creators.

Redgate Software

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?

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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