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

NetMonkeys Ltd
Mobile App Development · Software Development · Mobile Platforms
NetMonkeys Ltd is a business applications & technology company based in the heart of Manchester's creative hub, the Northern Quarter.
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Pen Test Partners
Web Development · Web Design · IoT
Pen Test Partners is a partnership of high-end penetration testers, cherry-picked for their wealth of knowledge and years of experience in the pen testing sector, with a passion to…
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Innovation Group Limited
Web Development · Web Design · iOS App
Innovation Group manages critical incidents in the car and home on behalf of the world's leading insurers, brokers and fleet managers, together with warranty and service plan…
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Degree 53
Mobile App Development · Custom Software Development · iOS App
We're a leading technology provider, specializing in the development of bespoke gambling and betting platforms, web and mobile solutions, as well as UX, design and consultancy…
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Target Group
Web Development · Web Design · iOS App
Target Group is a leading provider of Business Process Outsourcing and operational transformation, specializing in the provision of lending, investments and savings services.
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durhamlane
Web Development · Web Design · iOS App
durhamlane is a revenue acceleration consultancy. We help organizations increase their revenues, profits and build stronger customer relationships by focusing on sales performance.
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Dev Academy UK
Web Development · Web Design · iOS App
Dev Academy was established in 2012 and following a lot of consultation with industry and government, it commenced its first course in 2014.
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Cravens
Web Development · Web Design · iOS App
We believe a strong purpose should be at the heart of every organization. It can inspire, cut complexity and answer the questions in business that matter.
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Aquarium Software
Custom Software Development · Web Development · UI/UX Design
We are an elite group of entrepreneurial technologists who in 2006 founded Aquarium and brought a shared vision to life.
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Quantanite
Web Development · Web Design · UI/UX Design
Quantanite is a global professional services company focusing on business process automation and offshoring.
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Sage
Web Development · Web Design · UI/UX Design
Be Sage. Build on. At Sage, we transform the way people think and work, enabling their organizations to thrive.
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NashTech Limited
Web Development · Web Design · iOS App
NashTech has been delivering Consulting, Software Solutions and BPO from its development centers in Vietnam since 2000.
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@DevHub
Web Development · Web Design · iOS App
Build your team in eight weeks and scale at your own pace. @DevHub was launched to reinvent the traditional IT outsourcing world because; quite frankly, we feel it’s outdated, not…
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Global Sourcing Association UK
Web Development · Web Design · iOS App
The GSA is the leading association serving both the outsourcing professional and the global outsourcing industry.
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Catalyst IT Europe Limited
Custom Software Development · Web Development · Web Design
Catalyst IT is a world-leading open-source company with an international reputation for delivering quality software while following strong open source development practices.
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Ascensos
Web Development · Web Design · iOS App
Ascensos is built on our belief that not all contact centres need be the same. We are owner-managed, quality-focused and agile offering our clients an unfair advantage.
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Skuuudle
Custom Software Development · Web Design · Software Development
Skuuudle provides retailers, distributors, and brands of all sizes with price and product intelligence, enabling them to optimize margins and increase market share through…
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OnSecurity
Custom Software Development · Web Development · Web Design
OnSecurity replaces the overhead of traditional penetration testing firms with a simple online interface.
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AppyWay
Web Development · Web Design · iOS App
Ours is a journey that’s certainly been around the houses. We started out as AppyParking. An app made to solve the frustration of finding a parking space.
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Allied Worldwide
Web Development · Web Design · iOS App
We are a global provider of IT Resources, IT Managed Services and flexible, ad-hoc IT Resource and Project Support to organizations in over 40 countries.
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Cazoo
Web Development · Web Design · UI/UX Design
Our mission is to transform the way people buy used cars. We realized that whilst people love their cars, they don’t always like the process of buying and selling them.
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Smart DCC
Web Development · Web Design · iOS App
At the DCC, we believe in making Britain more connected, so we can all lead smarter greener lives. We’re creating this future by digitizing Britain’s energy infrastructure.
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3T Logistics
Web Development · Web Design · React Native
3t Logistics is a global leader in the delivery of transportation and supply chain management solutions that improve service levels, drive down costs and ultimately create…
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Capita
Web Development · Web Design · iOS App
We deliver innovative solutions and simplify the connections between businesses and customers, governments and citizens.
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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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Top IT Services Companies in the UK

NetMonkeys Ltd

Pen Test Partners

Innovation Group Limited

Degree 53

Target Group

durhamlane

Dev Academy UK

Cravens

Aquarium Software

Quantanite

Sage

NashTech Limited

@DevHub

Global Sourcing Association UK

Catalyst IT Europe Limited

Ascensos

Skuuudle

OnSecurity

AppyWay

Allied Worldwide

Cazoo

Smart DCC

3T Logistics

Capita

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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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