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Top IT Service Providers in the UK

121 of 578 IT service providers ranked on evidence in the Q4 2026 edition.

Between them, the 575 best-ranked of these 585 IT service providers cover web development (528), web design (473), UI/UX design (336) and IT services (331). They also list work in London and Ahmedabad. 574 of them have written a profile you can read before you get in touch.

TrustList ranks more than 1,600 IT service providers in the UK, ordered on client reviews and profile quality, never on payment. At the top right now: Eton Digital Limited, Drupal Teams and Marzee Labs.

Narrow it down by what you need: Web Development (1,531) · Web Design (1,385) · IT Services (871) · Software Development (443) · Mobile App Development (411) · E-Commerce Development (289).

TrustList ranking

Q4 2026 edition

121 of 578 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.

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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. 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
  2. Wurkhouse logo

    Mobile App Development · Social Media Marketing · Web Development

    Wurkhouse is a digital agency in Northern Ireland that covers web development, design and marketing.

    On record: HubSpot partner, as stated on its own website, read 5 Oct 2026

  3. Zynstra logo

    Web Development · Web Design · IT Services

    Zynstra is a software company that builds technology for the retail edge, meaning the servers and devices inside shops rather than in a central data centre.

    On record: professional accreditation, as stated on its own website, read 5 Oct 2026

  4. Kinseed logo

    Mobile App Development · Web Development · Web Design

    Kinseed makes software for healthcare organisations. Its SwiftCare suite is a set of cloud apps for handling patient data, referrals and resources, and it is used in NHS hospitals…

    On record: Client numbers stated on its own website, as stated on its own website, read 5 Oct 2026

  5. Codezeros logo

    Mobile App Development · AR & VR · Mobile Platforms · Also in Washington and California

    Codezeros is a top Blockchain solution and service provider company that reinvents business with Blockchain solutions.

  6. LM

    With London Marketing Company as your partner, we'll provide you with only the best experts in the field who will understand your business and goals.

    On record: Address in United Kingdom

  7. MW

    Web Development · IT Services · Also in United States of America

    Mirai Website Designing Pvt Ltd is a renowned Website Development Company which offers innovative and responsive website development solutions which are business-oriented.

  8. PP

    Web Development · Also in Germany

  9. SF

    Shipfinex is an online exchange that revolutionizes the trillion-dollar marine economy.

    On record: Address in United Kingdom

  10. Toru Digital  logo

    Mobile App Development · Web Development · Web Design

    Discovery, UX/UI Design, Branding, Consultancy, Web Development, Apps, Integrations, Cloud, Analytics, SEO, Support and Maintenance, KPI Optimisation.

    On record: Address in United Kingdom

  11. Zepto Systems ltd logo

    Mobile App Development · Custom Software Development · Web Development · Also in Islamabad and London

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

    On record: Address in United Kingdom

  12. Athena Global Technologies Ltd. logo

    Mobile App Development · Web Development · UI/UX Design · Also in United States of America

    Athena Global Technologies Ltd. is a software services company that builds applications, tests software and supports digital transformation projects.

    On record: Office in United Kingdom · Team of 500+, as stated on its own website, read 6 Oct 2026

  13. Capita IT and Networks logo

    Web Development · Web Design · IT Services

    Capita IT and Networks is one of the larger IT providers in the UK, supplying digital, cloud and infrastructure services to more than 3,500 organisations.

    On record: Team of 4,000+, as stated on its own website, read 5 Oct 2026

  14. CMS Peripherals logo

    Web Development · Web Design · UI/UX Design

    Specialist technology distributor supplying business and consumer IT products to trade customers in Europe and Asia-Pacific

    On record: Team of 400+, as stated on its own website, read 5 Oct 2026

  15. Cognifide logo

    Web Development · Web Design · UI/UX Design

    Cognifide is a marketing technology consultancy that belongs to WPP.

    On record: Based in London, United Kingdom · Team of 400+, as stated on its own website, read 5 Oct 2026

  16. Digital Wholesale Solutions logo

    Web Development · Web Design · IT Services

    UK digital platform supplying cloud, communications, hardware and software to technology resellers and managed service providers

    On record: Team of 360+, as stated on its own website, read 6 Oct 2026

  17. Gfi East logo

    UI/UX Design · Software Development · E-Commerce Development · Also in Poland

    Gfi East provides IT and consulting services across Europe. It has offices in Poland, the United Kingdom, Switzerland, Austria and Romania, and it describes itself as growing…

    On record: Office in United Kingdom · Team of 870+, as stated on its own website, read 6 Oct 2026

  18. Kagool logo

    Mobile App Development · Custom Software Development · Web Development

    Kagool is a digital agency that concentrates on the Sitecore platform. The older listing text places offices in Cardiff, Manchester and London.

    On record: Based in Cardiff, Manchester and London · Project numbers stated on its own website, as stated on its own website, read 5 Oct 2026

  19. MyQ logo

    IT Services · E-Commerce Development · IT Solution · Also in Czech Republic

    MyQ is a print and document management product made in Prague. It started when its founders turned a product into a company, and it now has more than 100 staff.

    On record: Office in United Kingdom · Team of 100+, as stated on its own website, read 5 Oct 2026

  20. NTT Limited logo

    Web Development · Web Design · UI/UX Design

    NTT Limited is a technology services company formed by combining more than 20 businesses into one.

    On record: Team of 40,000+, as stated on its own website, read 5 Oct 2026

  21. Talan logo

    Mobile App Development · Web Development · Web Design · Also in France

    Paris-based business and technology consultancy delivering data, AI and strategy projects for large organisations worldwide

    On record: Based in Paris, France, with a UK presence · Team of 6,200+, as stated on its own website, read 5 Oct 2026

  22. Theodo logo

    Mobile App Development · Custom Software Development · Embedded Software Development · Also in France

    Theodo is a software consultancy with teams in the UK, France and the US. The company says it employs over 200 developers worldwide, with more than 40 in its UK team.

    On record: Office in United Kingdom · Team of 200+, as stated on its own website, read 5 Oct 2026

  23. Vega Global logo

    Web Development · Web Design · UI/UX Design · Also in Hong Kong

    Vega Global is a systems integrator and managed service provider for audio-visual and collaboration technology.

    On record: Office in United Kingdom · Team of 600+, as stated on its own website, read 5 Oct 2026

  24. WebbyMonks logo

    Mobile App Development · Custom Software Development · Web Development

    WebbyMonks is a digital agency that says it has a team of more than 400 developers and marketers.

    On record: Team of 400+, as stated on its own website, read 5 Oct 2026

  25. 20thFloor Techease logo

    Mobile App Development · Search Engine Optimization · Web Design · Also in Pakistan

    20thFloor Techease is a software company working on mobile and web projects across many platforms, hardware types and programming languages.

    On record: Office in United Kingdom

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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

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