Companies · category

Top IT Service Providers for eCommerce in the UK

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

E-commerce covers selling online: the storefront, the catalogue, checkout, payments, and the operational tail of orders, stock, returns and tax. Providers in this category range from firms that configure an off-the-shelf platform to teams that build bespoke commerce systems, and the two are priced and maintained very differently.

The decision that shapes everything else is platform versus custom. A hosted platform is faster and cheaper to start and constrains what you can change; a custom build inverts both. Beyond that, ask where the catalogue and stock actually live — a storefront that keeps its own copy of stock, separate from whatever your business already runs on, is the source of most of the operational pain in this category.

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Between them, the 600 best-ranked of these 853 IT service providers cover web development (563), web design (532), UI/UX design (443) and WordPress (431). They also list work in London. 594 of them have written a profile you can read before you get in touch.

We list more than 850 IT service providers in the UK listed for e-commerce. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: Marzee Labs, Website Express and Your Dev Team.

Before you shortlist, check

Hands-on experience with your platform, not only e-commerce in general
Payments, tax and shipping set up end to end
A migration plan that keeps your URLs and search rankings
How the store performs under peak traffic

Filter by fitbudget, engagement, size and more

Nine23 Ltd
Web Development · Web Design · UI/UX Design
Nine23 uses today’s technology to create software products, integrate systems and deliver IT services. Nine23 exists to allow the front line user to use technology.
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Fortis Hosting
Web Development · Web Design · UI/UX Design
Fortis Hosting has arisen from over 30 years of combined experience from the Directors within the technology arena.
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WebsiteNI
Social Media Marketing · Search Engine Optimization · Web Development
WebsiteNI is a Northern Ireland based web design, web development, and digital marketing agency. We provide fresh, creative services to organizations that want to grow online.
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Nexus Fusion Ltd
Web Development · Web Design · UI/UX Design
Our ‘out of the box’ thinking and ‘anything is possible’ beliefs mean we can deliver projects that others may not have the confidence or experience to take on.
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Storm Technologies
Web Development · Web Design · UI/UX Design
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 · UI/UX Design
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 · UI/UX Design
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 · UI/UX Design
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 · UI/UX Design
e-days is a global system for staff to leave tracking & absence management.
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Company85
Web Development · Web Design · UI/UX Design
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 · UI/UX Design
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 · UI/UX Design
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 · UI/UX Design
Emerge is a professional services partner and value-added reseller of cybersecurity software.
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Inawisdom
Web Development · Web Design · UI/UX Design
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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Arrk Group
Web Development · Web Design · UI/UX Design
Customer expectations are changing rapidly and are far exceeding what many companies can currently achieve.
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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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Limesharp
Web Development · Web Design · UI/UX Design
We are Limesharp. We're a London-based web development and design agency specializing in building beautiful Magento e-commerce stores.
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Aptitude Software
Web Development · Web Design · UI/UX Design
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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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 · UI/UX Design
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 · UI/UX Design
Crimson unites its clients’ people, processes and IT systems by delivering high-value services and Microsoft-based technologies.
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Marked Sponsored, and it never changes the order
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How is this ranking worked out?

The order comes from what each firm publishes and what has been verified about it, and never from payment:

Profile completeness: the details a buyer needs to judge a firm — what it does, who it serves, how it prices, who it has worked for
Earned trust: verification, awards and the other checks a firm has actually passed
Client reviews, where they exist: the rating is smoothed, so one five-star review cannot outrank a firm with a hundred good ones, and volume counts with diminishing returns

Client reviews are still rare across this catalogue, so on most lists today the order is set by the first two. A firm near the top is the best-documented and best-verified one we hold, which is not the same claim as the best one to hire. Use the list to build a shortlist, then check the firms yourself.

Sponsored listings are labelled and shown apart from this list. How rankings work

Only firms whose profile names the UK are counted here, so a firm that lists a town but no country is not yet included.

Where else can I look?

The same list elsewhere: USA (1,539) · India (813) · Germany (553) · Canada (451).

Other specialisms in the UK: UI/UX design (941) · Android app development (812) · iOS app development (800) · WordPress (752) · PHP development (728).

Every IT service provider in the UK: the full list.

Every category in the UK: the UK country page.

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

Top IT Service Providers for eCommerce in the UK

Nine23 Ltd

Fortis Hosting

WebsiteNI

Nexus Fusion Ltd

Storm Technologies

Xuper

Kosbit LLC

Velez Managed Services

Senior Internet Ltd

e-days Absence Management

Company85

Turtl

WM Promus

SeedLegals

Emerge

Inawisdom

FiveAI

Arrk Group

FintechOS

Limesharp

Aptitude Software

Seldon

Forfusion Ltd

Crimson Limited