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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

Storm Technologies
Web Development · Web Design · iOS App
Storm Technologies are a dynamic & reliable VAR (Value Added reseller).
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Xuper
Mobile App Development · Web Development · Web Design
You don't want your IT systems and applications to just work, you want them to work for you.
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Kosbit LLC
Web Development · Web Design · iOS App
Consideration of corporate board length of service as a whole and the need for regular board refreshmentAlignment of remuneration and workforce policies to the long-term success of…
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Velez Managed Services
Web Development · Web Design · iOS App
Who are we? What Do We Do? Velez Managed Services is made up of a team of highly experienced engineers, some with over 20 years of experience in the IT industry.
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Senior Internet Ltd
Web Development · Web Design · iOS App
Senior Internet is an award-winning creative web design that develop contemporary and effective websites for a growing community of membership organizations.
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e-days Absence Management
Web Development · Web Design · iOS App
e-days is a global system for staff to leave tracking & absence management.
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Company85
Web Development · Web Design · iOS App
Company85 is an independent IT services firm that leads to change, strips out the cost and safeguards information.
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Turtl
Web Development · Web Design · iOS App
Engage and convert your audience with modern content experiences created, published and analysed on Turtl’s cloud-based software.
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WM Promus
Web Development · Web Design · UI/UX Design
WM Promus is a team of IT Operations Management experts dedicated to delivering digital transformation consultancy and solutions using the best of DevOps technologies.
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SeedLegals
Web Development · Web Design · iOS App
At SeedLegals, we make it super-easy for startups to do the legal they need to raise investment and distribute equity to their team — all at a fraction of the cost of traditional…
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Emerge
Web Development · Web Design · iOS App
Emerge is a professional services partner and value-added reseller of cybersecurity software.
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Inawisdom
Web Development · Web Design · iOS App
Inawisdom's focus is on differentiation through data exploitation, using the latest enterprise-ready techniques in predictive analytics, machine learning, natural language…
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FiveAI
Artificial Intelligence - AI · Web Development · Web Design
FiveAI is developing the software to power shared, self-driving vehicle services in Europe.
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FintechOS
Artificial Intelligence - AI · Web Development · Web Design
FintechOS is transforming today’s financial tech, closed systems, and prohibitive pricing.
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Aptitude Software
Web Development · Web Design · iOS App
Aptitude Software delivers specialist financial applications to equip Chief Financial Officers (and the finance function) to fulfill their strategies and ambitions.
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Venerate Solutions
Data Analytics · Data Science · CMS Development
Venerate Solutions is a fast-growing Salesforce consultancy founded by experienced technology industry professionals.
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Seldon
Artificial Intelligence - AI · Web Development · Web Design
With roots going back to 2011, Seldon Technologies Ltd was founded in 2014 with a simple yet ambitious aim: accelerate the adoption of machine learning to solve some of the world’s…
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Forfusion Ltd
Web Development · Web Design · iOS App
At Forfusion we’re unashamedly excited about a future enabled by technology. It’s revolutionizing the way we live our lives and run our businesses.
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Crimson Limited
Web Development · Web Design · iOS App
Crimson unites its clients’ people, processes and IT systems by delivering high-value services and Microsoft-based technologies.
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Arthurly
Web Development · Web Design · iOS App
Arthurly is a new breed of a technology consultancy company, working at the intersection of business and technology to propel your growth.
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Dynamo North East
Web Development · Web Design · UI/UX Design
Dynamo is a volunteer led group set up with the core mission to ‘Grow the North East IT Economy’ through collaboration, innovation, skills.
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Logic Room
Web Development · Web Design · iOS App
We help companies build scalable JavaScript and TypeScript apps.
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OTRO
Social Media Marketing · Web Development · Web Design
Welcome to OTRO. We are a digital platform that brings football fans closer to the players they love.
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Xcite Digital
Web Development · Web Design · iOS App
Welcome to the Xcite Digital page. Check back for news, updates and the latest projects When it came to naming our company we didn’t take it lightly – we took it literally.
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The order is earned: ratings, verified reviews and listing quality decide it, and nobody can pay to move up. There are two ways to stand out, and each one says what it is.

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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.

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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

Storm Technologies

Xuper

Kosbit LLC

Velez Managed Services

Senior Internet Ltd

e-days Absence Management

Company85

Turtl

WM Promus

SeedLegals

Emerge

Inawisdom

FiveAI

FintechOS

Aptitude Software

Venerate Solutions

Seldon

Forfusion Ltd

Crimson Limited

Arthurly

Dynamo North East

Logic Room

OTRO

Xcite Digital

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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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