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

3 of 7 IT service providers ranked on evidence in the Q4 2026 edition.

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.

Want your company here?

Between them, the 7 IT service providers on this page cover mobile app development (6), web design (6), iOS app (5) and PHP (5). 7 of them have written a profile you can read before you get in touch.

We list more than 1,300 IT service providers in the USA 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: Savas Labs, Big Couch Media Group and WDB Agency.

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

TrustList ranking

Q4 2026 edition

3 of 7 IT service providers ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All IT service providers 3 ranked SMEs 3 ranked

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Simpalm
Mobile App Development · Web Development · Web Design
Simpalm is a digital product development company that has been operating since 2009.
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Why #1: Based in Offices in DC and Chicago · Founded 2009, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Orangesoft
Mobile App Development · Web Development · Web Design · Also in Belarus
Orangesoft is a mobile app and web development company that began in Belarus in 2011.
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Why #2: Address in United States of America · Founded 2011 · Team of 60+, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Vinta Software
Custom Software Development · Web Development · Web Design · Also in Brazil
Vinta Software is a software development company that has worked as an open-source contributor from the start.
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Why #3: Office in United States of America · In business 10+ years, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
DianApps Technologies
Mobile App Development · Web Development · Web Design
DianApps is a well-known and prestigious global web and mobile app development company.
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On record: Address in United States of America
Galaxy Weblinks Inc.
Mobile App Development · Web Development · Web Design
Galaxy Weblinks Inc. is a digital transformation company that helps organisations modernise core systems and build digital platforms.
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On record: Team of 670+, as stated on its own website, read 5 Oct 2026
Coshx
Mobile App Development · Custom Software Development · Web Development
Coshx is an experienced technology partner for businesses and non-profit organisations.
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ORIL
Mobile App Development · Web Development · iOS App
ORIL is a custom software and digital product development company.
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On record: Address in United States of America

For vendors

Want to see your company here?

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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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 USA 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: UK (941) · India (643) · Germany (422) · Poland (259).

Other specialisms in the USA: e-commerce (1,539) · Android app development (1,530) · iOS app development (1,452) · PHP development (946) · JavaScript development (762).

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

Every category in the USA: the USA country page.

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

Simpalm

Orangesoft

Vinta Software

DianApps Technologies

Galaxy Weblinks Inc.

Coshx

ORIL