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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.

Want your company here?

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

Only businesses that have told TrustList match a filter. Filters never change the order or a score.

  1. C

    Crikle

    UI/UX Design · IT Services · Frontend

    Crikle is a sales lead conversion and revenue growth platform servicing businesses in the travel and hospitality industry.

    Write a review
  2. R

    RoosterMoney

    Web Development · Web Design · IT Services

    We b RoosterMoney transforms the way families manage pocket money.

    Write a review
  3. D

    Drover

    Web Development · E-Commerce Development · IT Services

    Drover is a VC-backed marketplace company offering monthly, all-in car subscriptions to customers who want to experience car ownership as it should be: flexible and at a fair,…

    Write a review
  4. VI

    Vertex Inc.

    Social Media Marketing · Web Development · Web Design

    Tax is a complex and time-consuming challenge for companies around the world.

    Write a review
  5. ID

    Innoblend Designs

    Social Media Marketing · Search Engine Optimization · Web Development

    Innoblend Designs is a Hampshire based digital marketing, website design, website hosting and graphic design agency with a strong belief in clear, effective design. Who We Are?

    Write a review
  6. I

    InPlayer

    Social Media Marketing · Web Development · Web Design

    InPlayer is a next-generation video and digital asset monetization platform.

    Write a review
  7. LL

    LacunaSolutions LTD

    Web Development · Web Design · UI/UX Design

    BankCheck is a simple, cost-effective solution for payment repair and Know Your Client due diligence information, using graph database technology to link and store over 5 billion…

    Write a review
  8. C

    Captec

    E-Commerce Development · IT Services · Software Testing

    Captec is an award-winning designer and manufacturer of specialist computing platforms engineered to meet the exact requirements of any application, irrespective of complexity or…

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  9. T

    thinkproject

    E-Commerce Development · CMS Development · eCommerce

    The UK home for thinkproject products and services, including our contract management software CEMAR. thinkproject is a global leader in construction intelligence.

    Write a review
  10. AS

    AMT-SYBEX

    Web Development · Web Design · UI/UX Design

    AMT-SYBEX, part of Capita plc, creates enterprise software and delivers associated services to the infrastructure and energy industries.

    Write a review
  11. AB

    Argo Blockchain

    E-Commerce Development · IT Services · iOS App

    Cryptocurrencies are the future of money. The infrastructure supporting these currencies relies upon the Blockchain.

    Write a review
  12. D

    Drooms

    Artificial Intelligence - AI · Document Management System-DMS · E-Commerce Development

    Security is our number one priority and it plays a key part in our vision.

    Write a review
  13. DC

    Dolphin Computer Access

    Web Development · IT Services · Software Testing

    Millions of blind, partially sighted and dyslexic people around the World choose Dolphin accessible technology for their personal and professional use.

    Write a review
  14. VI

    Vouchery.io

    Artificial Intelligence - AI · E-Commerce Development · IT Services

    Vouchery is about smarter, easier and more efficient discounting.

    Write a review
  15. RP

    Right People Group

    Mobile App Development · Web Development · Web Design

    Right People Group is specializing in the sourcing of IT contractors, IT freelancers, management and project consultants and delivers the leading IT- and management consultants at…

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  16. TG

    tado GmbH

    UI/UX Design · E-Commerce Development · eCommerce

    At tado° we believe that unnecessarily wasting energy should be a thing of the past.

    Write a review
  17. KL

    KoolZone Ltd

    IT Services · IT Solution · Tracking Software

    From keeping food and drinks at the right temperature to monitoring cryogenic freezers at minus 196°C and commercial ovens at over 300°C, as well as the careful storage of…

    Write a review
  18. WL

    WallStreetDocs Ltd

    Web Development · IT Services · Frontend

    WallStreetdocs is the leading SaaS-based provider of document-centric automation solutions for structured products.

    Write a review
  19. PT

    Pulsion Technology

    Artificial Intelligence - AI · Web Development · Web Design

    At Pulsion Technology, we partner with organizations to deliver innovative digital services and solutions.

    Write a review
  20. G9

    Gravity 9

    Web Development · Web Design · UI/UX Design

    At the top of all organizations 'to do,' list is digital transformation.

    Write a review
  21. C

    Cloudway

    Web Development · IT Services · Drupal CMS

    Cloudways is an intuitive, one-click Managed Cloud Hosting Platform.

    Write a review
  22. B

    BJSS

    Artificial Intelligence - AI · Web Development · Web Design

    BJSS is the UK’s leading privately-owned IT and Business Consultancy.

    Write a review
  23. Q

    QContact

    Web Development · Frontend · Backend

    Today’s modern consumer expects to be able to use multiple methods of communication depending on the situation.

    Write a review
  24. SL

    Synnous Ltd

    Web Development · UI/UX Design · IT Services

    Synnous is a full-service mobile & web product development and engineering company operating from London and Athens.

    Write a review

For vendors

Want to see your company here?

The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

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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.

Software Development in other countries

Other services 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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