Companies · category

Top IT Services Companies in the UK

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

IT services is the broadest label in this directory and covers, at different firms, entirely different work: managed infrastructure and helpdesk, project-based software delivery, cloud migration, security, procurement, or some combination sold as one relationship. Two providers under this heading may have almost nothing in common.

Because the label is wide, the useful filter is the engagement model rather than the capability list. Is this a retained relationship with a service-level agreement and a monthly cost, or project work quoted per piece? Who is accountable when something breaks at two in the morning, and what does the contract actually promise? A provider that answers those precisely is describing a real service; one that answers in capabilities is describing a brochure.

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Between them, the 600 best-ranked of these 872 IT service providers cover web development (569), web design (556), WordPress (459) and eCommerce (440). 597 of them have written a profile you can read before you get in touch.

TrustList ranks more than 850 IT services companies in the UK, ordered on client reviews and profile quality, never on payment. At the top right now: NetMonkeys Ltd, Pen Test Partners and Innovation Group Limited.

What to check before you shortlist a IT services company

Service levels and response times, in the contract
Security certifications that match your obligations
What is covered on site and what is remote
Exit terms: how you get your data and credentials back if you leave

Filter by fitbudget, engagement, size and more

Unitedgrids Ltd
Web Development · Web Design · iOS App
Unitedgrids is a Managed Service Provider with a proven track record of excellent customer service and a customer-centric culture.
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Cumulus1
Web Development · Web Design · iOS App
Cumulus1 is a decentralized, highly available contributor network of computing.
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Fidessa
Web Development · Web Design · UI/UX Design
Exceptional trading, investment and information solutions for the world's financial community.
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Mtest Labs Limited
Web Development · Web Design · iOS App
Mtest Labs is a Software Test Consultancy and Sourcing Partner. Mtest Labs work closely with Technology Leaders in providing the best talent.
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Smartia Ltd
Artificial Intelligence - AI · Web Development · Web Design
A new dimension in industrial intelligence, Smartia provides scalable AI solutions that connect and transform industrial data into actionable insights.
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Alchemy Technology Services
Web Development · Web Design · UI/UX Design
Alchemy is a European centre of excellence for insurance software implementation, supporting the digitisation of the global insurance industry.
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Boson Protocol
Web Development · Web Design · iOS App
Boson is a blockchain protocol for trading real-world items in an almost trustless, fully automated and reliable way
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Coinweb.io
Web Development · Web Design · iOS App
Names for blockchain, built on a powerful new platform. Coinweb’s unique platform connects existing blockchains in parallel so dApps can offer more features with greater…
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appScatter
Web Development · Web Design · iOS App
appScatter is a B2B SaaS platform that distributes, manages and monitors mobile apps across multiple app stores worldwide.
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Silicon Brighton
Web Development · Web Design · UI/UX Design
A Brighton based collaborative technical knowledge share and networking platform, driven forward by an organization with the contacts in place to ensure sessions are well attended,…
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Fedr8 Ltd
Web Development · Web Design · iOS App
One of the organization's biggest assets is its custom legacy applications. Green Rain (Powered by Fedr8) uses Machine Learning to automate manual discovery processes.
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ARC Services
Web Development · Web Design · iOS App
ARC specializes in the provision of EPOS and IT services throughout the UK, Europe, and the Nordics.
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Freeman Clarke
Artificial Intelligence - AI · Web Development · Web Design
Freeman Clarke is the UK's largest and most experienced team of fractional CIOs, CTOs and IT Directors. Ambitious businesses need an outstanding technology leader.
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Demon Broadband
Web Development · Web Design · iOS App
We would like to inform you that Demon Broadband is no longer available to purchase as both a new customer and an existing customer.
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Barac.io
Web Development · Web Design · iOS App
Barac is a rapidly growing, forward-thinking cybersecurity company that directly addresses organisations' concerns with compliancy, scalability, certificate management and heavy…
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Ecrebo
Web Development · Web Design · WordPress
Ecrebo is a technology company that enables the real-time, cost-effective delivery of personalized offers and messages at point of sale on paper and digital receipts.
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Mews Systems
Web Development · Web Design · iOS App
Cloud-based property management software that helps hotels and hostels automate their operations so they can focus on their guests.
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Mindshare
Web Development · Web Design · iOS App
We believe that in today’s adaptive world everything begins and ends in media.
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eXtreme Code Factory
Web Development · Web Design · iOS App
We believe that software development is too slow. We believe that too many systems are delivered over-budget, late and most importantly with serious technical issues.
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Truphone
Mobile App Development · Web Development · Web Design
Truphone believes that connectivity can be easier, smarter and more efficient.
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Semafone
Software Development · Data Science · Cybersecurity
Semafone provides software to contact centers so they can take personal data securely over the telephone.
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Formic Ltd
Web Development · Web Design · iOS App
Formic Solutions provides clinical assurance solutions to a range of healthcare organizations across the UK and Ireland with its simple-to-use multichannel data capture survey…
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UKCloud Ltd
Web Development · Web Design · Digital Marketing
UKCloud, the multi-cloud experts. We are dedicated to exclusively helping the UK Public Sector, delivering more choice and flexibility through safe and trusted cloud technology.
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Foehn
Web Development · Web Design · React Native
Foehn is a multi-award winning provider of cloud communications technology, delivering IP telephony and contact centres to the private and public sectors since 2000.
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How many IT services companies are there in the UK?

872 companies on TrustList offer IT services and are based in the UK. That makes the UK the largest IT services market we rank.

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 software development (443) in the UK.

Same subject

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

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

Top IT Services Companies in the UK

Unitedgrids Ltd

Cumulus1

Fidessa

Mtest Labs Limited

Smartia Ltd

Alchemy Technology Services

Boson Protocol

Coinweb.io

appScatter

Silicon Brighton

Fedr8 Ltd

ARC Services

Freeman Clarke

Demon Broadband

Barac.io

Ecrebo

Mews Systems

Mindshare

eXtreme Code Factory

Truphone

Semafone

Formic Ltd

UKCloud Ltd

Foehn

Want to see your company here?

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How many IT services companies are there in the UK?

How is this ranking worked out?

What else do firms in the UK offer?

IT Services in other countries

Other services in the UK

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