Skip to content
TrustList
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.

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

    Codeac

    Artificial Intelligence - AI · IT Services · Machine Learning

    Codeac is an Automated Code Review Tool that monitors your technical debt, helps you improve your code quality, teaches best practices to your developers, and helps you save time…

    Write a review
  2. WT

    Way To Blue

    Mobile App Development · Social Media Marketing · Web Development

    Way To Blue is an award-winning global integrated communications agency that's part of the Miroma Group.

    Write a review
  3. P

    Pulselive

    Social Media Marketing · Web Development · IT Services

    Our work is dedicated to one of the most socially impactful activities on the planet - sport.

    Write a review
  4. A

    Adepto

    Social Media Marketing · Web Development · Web Design

    Adepto, a degreed company, is a skill-based Total Talent platform providing customers with a single view and access to all the talent available to them, internal and external;…

    Write a review
  5. SS

    Swanky (Shopify Plus Agency)

    Social Media Marketing · Web Development · Web Design

    Swanky is a leading Shopify Plus eCommerce growth consultancy providing digital strategy, migration, design & build, conversion rate optimization and marketing services.

    Write a review
  6. TL

    Totara Learning

    IT Services

    Totara is rapidly transforming the learning technology software market.

    Write a review
  7. AL

    Alumnet Limited

    Web Development · UI/UX Design · IT Services

    Thirteen years after the launch of Facebook, the second wave of social media platforms is emerging.

    Write a review
  8. TD

    Teabag Digital

    Web Development · UI/UX Design · IT Services

    We’ve been developing brands and bending our creative and digital skills to suit our clients for over a decade.

    Write a review
  9. F

    Fraedom

    IT Services · Frontend · Backend

    We're passionate about freeing you from unnecessary hassle when it comes to managing business spend.

    Write a review
  10. V

    Veovo

    IT Services · Frontend · Backend

    The world’s most innovative airports, from Amsterdam to Auckland, rely on us to optimize capacity, build resilient operations and deliver brilliant customer experiences.

    Write a review
  11. N

    Neuxpower

    IT Services · Software Testing · Quality Assurance

    Neuxpower makes simple effective software to shrink the files that Zip can't.

    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.

Not on TrustList yet? Add your company or claim its listing, free.

Get vetted

Free

  • We check your registration, your website and your clients
  • Approved listings show the Verified badge here and on their profile
  • It earns a rank number and counts towards the TrustList Score; renewed yearly
Apply for vettingHow vetting works

Sponsor the Software Development ranking

Paid · always labelled

  • A Sponsored card above the Software Development ranked list
  • Marked Sponsored, and it never changes the order
  • Booked by the month; cancel any time
Book a spotSee prices

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

Same subject

More it service providers rankings

Every other way we rank it service providers — by what they do and where they are.

All 284 rankings
Articles

Related reading

Articles on this subject first, then the newest.

All articles
Browse

More categories

Jump to another ranked category.

All categories
Keep exploring

More on TrustList

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