Top IT Service Providers in the UK

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.

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. –

   

   AppEmporio

   Mobile App Development · Web Design · UI/UX Design

   AppEmporio develops apps and packaged software for service businesses. Its website advertises ready-made platforms and says it has customers in 71 or more countries.

   Write a review
3. –

   

   Appentus Technologies

   Mobile App Development · Web Development · UI/UX Design · Also in India

   Appentus Technologies builds mobile apps and websites. Its stored profile lists branches in India, the UK, the USA and the UAE.

   Write a review

   On record: Office in United Kingdom

4. –

   

   ARC Services

   Web Development · Web Design · UI/UX Design

   ARC Services is a privately owned provider of EPOS and IT services.

   Write a review
5. –

   AB

   Argo Blockchain

   IT Services · iOS App · Software Development

   Argo Blockchain is a cryptocurrency mining company listed in London and on the Nasdaq Capital Market.

   Write a review

   On record: Address in United Kingdom

6. –

   A

   Arqiva

   Web Development · Web Design · IT Services

   UK communications infrastructure provider covering broadcast transmission, satellite distribution and smart metering networks

   Write a review

   On record: Based in United Kingdom

7. –

   

   Arrow ECS

   Web Development · Web Design · IT Services

   Arrow ECS is a technology enablement business that supplies distribution and advisory services to the IT industry.

   Write a review
8. –

   

   Arthurly

   Web Development · Web Design · UI/UX Design

   Arthurly is a technology consultancy that works where business and technology meet. It describes itself as a different kind of consultancy and works fully remotely.

   Write a review
9. –

   

   Ascender Design Ltd

   Web Design · eCommerce · WordPress

   Ascender Design Ltd is a small team of designers, developers and creative thinkers. It helps businesses build brands and designs the experiences around them.

   Write a review

   On record: Small team

10. –

    

    Atech Support

    Web Development · Web Design · UI/UX Design

    Atech Support is a managed services provider based in the UK and a Microsoft Azure Cloud Solution Provider.

    Write a review

    On record: Based in United Kingdom

11. –

    

    Athena Vaults

    Web Development · Web Design · UI/UX Design

    Athena Vaults provides data centre and security services for companies running digital operations.

    Write a review
12. –

    

    Atlas City Global

    Artificial Intelligence - AI · Web Development · Web Design

    Atlas City Global develops distributed ledger technology for businesses.

    Write a review
13. –

    

    Auto Trader UK

    Web Development · Web Design · IT Services

    Auto Trader UK runs an online marketplace for new and used vehicles in Britain. Consumers use it to search for cars, while retailers and manufacturers use it to reach buyers.

    Write a review

    On record: Address in United Kingdom

14. –

    

    AVITHA

    Mobile App Development · Web Development · iOS App

    AVITHA is the audio-visual, IT and home automation arm of AboundE, an electronics company. It works from London and serves private clients and businesses in the UK and abroad.

    Write a review

    On record: Based in London, England

15. –

    

    Aymz Tech

    Mobile App Development · Search Engine Optimization · Web Development · Also in United States of America

    Aymz Tech is an online design agency based in the United States and Great Britain.

    Write a review

    On record: Based in United States and Great Britain

16. –

    

    Bazzic

    Web Development · Web Design · Digital Marketing

    Bazzic is a digital agency based in Reading, UK, serving small and medium-sized firms.

    Write a review

    On record: Based in Reading, UK

17. –

    

    Benefex

    Web Development · Web Design · UI/UX Design

    Benefex is a workplace technology company that builds software for employee benefits, reward and wellbeing. It has since combined with Benify under the new name Benifex.

    Write a review
18. –

    B

    BJSS

    Artificial Intelligence - AI · Web Development · Web Design

    IT and business consultancy delivering technology services to large organisations, with a UK private ownership background

    Write a review
19. –

    BN

    Black Nova Digital

    IT Services · Software Development · Frontend · Also in Australia

    Black Nova Digital belongs to Black Nova Group, a startup-focused business that supports entrepreneurs from the first idea through launch and growth.

    Write a review

    On record: Based in Sydney, Australia and Manchester, UK

20. –

    

    BlockchainLab

    Web Development · Web Design · IT Services

    Blockchain development lab offering consultancy, proofs of concept, smart contract work and tokenisation for institutions

    Write a review
21. –

    

    Blocksmith

    Web Development · Web Design · UI/UX Design

    Operating from London, the blockchain studio Blocksmith was spun out of Whitesmith, a digital product studio founded in 2012, and is supported by KR1, a European digital asset…

    Write a review

    On record: Based in London, UK

22. –

    

    Blue Flame Digital Solutions Limited

    Web Development · Web Design · Software Development

    Blue Flame Digital Solutions Limited is a software development company that supplies programming and consultancy for web applications and subscription-based software services.

    Write a review
23. –

    

    Boomerang Creative

    Search Engine Optimization · Web Development · Web Design

    Boomerang Creative is a digital agency in Newbury, Berkshire. Its team covers web design, graphic design, development and online marketing.

    Write a review

    On record: Based in Newbury, Berkshire, UK

24. –

    

    Boost Digital Media Ltd

    Mobile App Development · Web Development · Web Design

    Boost Digital Media Ltd is a web agency that covers development, design, m-commerce and marketing. Its website was in maintenance mode when last checked.

    Write a review
25. –

    B

    Booxscale

    Social Media Marketing · Web Development · Web Design

    Booxscale provides software for marketplaces and publishers that want to show hyper-local, real-time results to more customers.

    Write a review

Articles

Related reading

Articles on this subject first, then the newest.

All articles

United Kingdom

14 Nov 2026 · TrustList Editorial

UFORCE raises $700m Series A at a $6bn valuation for uncrewed systems

The Ukrainian-founded, London-headquartered defence company says Valor Equity Partners and the UK National Wealth Fund co-led the round,…

Automotive

11 Nov 2026 · TrustList Editorial

Eight of our 22 vehicle recalls were software, and none is fixed over the air alone

We counted 22 recall records in our 104 car, autonomy and robotics reports: 8 are software or firmware faults, 4 of those name a dealer…

United States of America

10 Nov 2026 · TrustList Editorial

Microsoft retires free Office 365 A1 and alumni email for schools

Its replacement for students, Microsoft 365 Education A0, costs nothing extra but leaves out Exchange Online, SharePoint Online and Teams.…