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Top IT Service Providers for UI/UX Design in the UK

1 IT service providers ranked by rating, review volume and listing quality.

UI and UX design are usually sold together and are not the same thing. UX is the shape of the product — what it does, in what order, and what a user is trying to achieve. UI is the surface: the controls, the visual language, the details of interaction. A product can be beautifully rendered and still ask people to do something illogical.

The most informative question for a provider here is what research they do before drawing anything, and what they do when it contradicts the brief. Teams that go straight to high-fidelity screens produce work that looks decisive and tests badly. Ask to see a project where the research changed the plan.

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We list more than 900 IT service providers in the UK listed for UI/UX design. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: Eton Digital Limited, Website Express and ADVOX Studio.

Before you shortlist, check

  • Research with real users, not only visual design
  • Prototypes you can test before anything is built
  • A design system your developers can reuse
  • That you own the files and the research
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Only businesses that have told TrustList match a filter. Filters never change the order or a score.

Listings marked Sponsored are promoted by TrustList. They are scored like every other listing and keep the position they earn.

  1. Zepto Systems ltd logo

    Zepto Systems ltd

    Sponsored

    Also in London and Islamabad

    We are an IT service company providing full-scale Software Development, Bespoke Solutions, Cyber Security, Managed Project Development and Remote Developers to our clients…

    Write a review
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The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

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  • It earns a rank number and counts towards the TrustList Score; renewed yearly
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Sponsor the UI/UX Design ranking

Paid · always labelled

  • A Sponsored card above the UI/UX Design ranked list
  • Marked Sponsored, and it never changes the order
  • Booked by the month; cancel any time
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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

  • Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
  • Earned trust: verification, awards and the other checks a firm has actually passed
  • Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the UK are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: USA (1,355) · India (643) · Germany (422) · Poland (259).

Other specialisms in the UK: e-commerce (854) · Android app development (812) · iOS app development (800) · WordPress (752) · PHP development (728).

Every IT service provider in the UK: the full list.

Every category in the UK: the UK country page.

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