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

Glisser
Social Media Marketing · Web Development · Web Design
Share Content. Engage Audiences. Measure Event ROI. All-in-one audience engagement software for live events and the classroom.
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Synel Industries UK
Web Development · Web Design · UI/UX Design
Synel Industries develop, produce, supply and install computerized systems for data collection, time & attendance, job costing, registration, and access control applications.
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Wavestore
Web Development · Web Design · iOS App
Sitting at the heart of a security solution, Wavestore’s open platform Video Management Software (VMS) offers so much more than just industry-leading video and recording…
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Quadrant Security Group
Web Development · Web Design · UI/UX Design
Quadrant Security Group (QSG) is one of the UK’s largest independent security systems integrators, delivering end-to-end security and surveillance solutions from systems design to…
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Norbain SD
Web Development · Web Design · UI/UX Design
Norbain is the UK’s most successful distributor of IP, CCTV, Access Control and Intruder Detection solutions.
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Loop Email
Web Development · Web Design · iOS App
We understand that managing email can feel like hard work, but try and imagine a world where you love email – where email works hard for you.
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Parity Group PLC
Web Development · Web Design · UI/UX Design
We are a consultancy that focuses on the relationship between technology and people, to help you unlock the true power of data within your organization.
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Mobica
AR & VR · Web Development · Web Design
Mobica (Mobica.com) is a global software services company, delivering enabling technologies that transform business outcomes.
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Triangulate Distribution Ltd
Web Development · Web Design · UI/UX Design
We are a market-leading specialist software distributor and consultancy. We deliver state of the art, next-generation, software-defined, hyper-converged cloud solutions.
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Sunspeed Transport Services Ltd
Web Development · Web Design · iOS App
Sunspeed are leaders in Server Relocation and Data Center Migration. With over 28 years of experience specialising in Server Migration and Data Center Relocation.
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Fresh Relevance
Web Development · Web Design · iOS App
Fresh Relevance is the Personalization Platform to boost ROI. Built to Help Marketers Get Their Jobs Done. Delight your customers and your boss.
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Intelistyle
Artificial Intelligence - AI · Web Development · Web Design
Intelistyle is an Artificial Intelligence fashion stylist. For apparel shoppers that find it hard to decide how to style their own clothes or which clothes to buy to create a…
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Linkdex
Social Media Marketing · Web Development · Web Design
The Linkdex Enterprise SEO Platform is delivered as SaaS - Software as a Service. It's a platform. Not a series of disparate and disjointed tools.
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Tillr
Web Development · Web Design · iOS App
Tillr is a configurable compliance platform designed for organizations that want to centralize all their compliance management needs, standardizing and optimizing Assessments,…
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iCore Ltd
Web Development · Web Design · iOS App
iCore has throughout its existence aimed to be ahead of our customer’s needs by tracking industry trends and identifying what challenges and opportunities this will bring to IT…
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DBD Media
Social Media Marketing · Web Development · Web Design
DBD has now joined forces with Verb Brands. DBD is a digital marketing agency with a search at its heart.
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Acxiom
Social Media Marketing · Mobile App Development · Web Development
Acxiom is a technology and services company that provides the data foundation for the world's best marketers.
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AmazeRealise
Web Development · Web Design · UI/UX Design
We do what very few digital agencies do. Our work is focused on creating advantages for your customers, your staff and your business.
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Quantexa
Artificial Intelligence - AI · Web Development · Web Design
Quantexa empowers organizations to drive better decisions from their data.
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Featurespace
Web Development · Web Design · iOS App
Featurespace is the inventor of Adaptive Behavioral Analytics and the award-winning ARIC Risk Hub. We're globally recognized as the industry expert in combatting financial crime.
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ANS Group
Web Development · Web Design · iOS App
We are ANS. The UK’s fastest moving and most innovative digital and cloud experts. We make it our business to push boundaries to help organizations ignite their digital ambitions.
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Toaster
Web Development · Web Design · UI/UX Design
Toaster crafts beautiful design with emerging technology to create connections between brands and people.
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Testnomics
Web Development · Web Design · iOS App
Testnomics originated in 2018 with two principals dedicated to integrity and excellence in testing and quality assurance.
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PASS Technology Group
Mobile App Development · Web Development · Web Design
Background screening. Simplified. The PASS platform is intuitive, slick and seamless.
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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

Glisser

Synel Industries UK

Wavestore

Quadrant Security Group

Norbain SD

Loop Email

Parity Group PLC

Mobica

Triangulate Distribution Ltd

Sunspeed Transport Services Ltd

Fresh Relevance

Intelistyle

Linkdex

Tillr

iCore Ltd

DBD Media

Acxiom

AmazeRealise

Quantexa

Featurespace

ANS Group

Toaster

Testnomics

PASS Technology Group

Want to see your company here?

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Sponsor the IT Services ranking

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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