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Top IT Service Providers for SEO in the UK

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

Between them, the 12 IT service providers on this page cover web development (11), web design (10), eCommerce (8) and UI/UX design (7). 12 of them have written a profile you can read before you get in touch.

We list more than 200 IT service providers in the UK listed for SEO. The order comes from what each firm publishes and what has been verified about it, never from payment — at the top right now: Eton Digital Limited, OpenSense Labs and Strange.

Before you shortlist, check

No one can guarantee rankings; be wary of anyone who does
Which of technical work, content and links they actually do
Reporting from your own Search Console, not only their tools
What they will change on your site, and who approves it

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Torchbox
Web Development · Web Design · UI/UX Design
Torchbox is a digital agency that works with organisations aiming to do good, including charities, nonprofits and the public sector.
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Strange
Search Engine Optimization · Web Development · Web Design · Also in London
Strange is a digital marketing and web development agency. It runs paid and organic marketing campaigns and builds websites, and the stored profile says it has worked with clients…
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Chetaru UK Limited
Social Media Marketing · Search Engine Optimization · Mobile App Development
Digital agency offering web development, SEO and digital marketing for agencies and businesses in the UK, US, Australia and India
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MBA
Social Media Marketing · Search Engine Optimization · Mobile App Development
MBA is a marketing agency that treats the whole buying process as one connected system. It works with clients as business partners.
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Selesti
Search Engine Optimization · Web Development · Web Design
Selesti is a digital agency with offices in Norwich and London. It has worked with clients since 2005 and is a Google partner agency.
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WebbyMonks
Mobile App Development · Custom Software Development · Web Development
WebbyMonks is a digital agency that says it has a team of more than 400 developers and marketers.
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Web Bureau
Social Media Marketing · Custom Software Development · Web Design
Web Bureau is a digital-first design agency. It has worked in digital for around a decade, covering everything from strategy and design to marketing and training.
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Kagool
Mobile App Development · Custom Software Development · Web Development
Kagool is a digital agency that concentrates on the Sitecore platform. The older listing text places offices in Cardiff, Manchester and London.
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Indigo Multimedia
Social Media Marketing · Search Engine Optimization · Mobile App Development
Indigo Multimedia is a digital agency based in Newcastle that opened in 1995.
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BritWeb
Search Engine Optimization · Web Development · Web Design
BritWeb is a digital agency based in Horsham, West Sussex. It designs and builds websites and runs online marketing for businesses, and has done so since 2006.
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Welford Media
Social Media Marketing · Web Development · Web Design
Welford Media is a digital agency based in Leeds. It started more than ten years ago as a web development firm and has grown into an agency that covers design and online marketing…
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Magic Mayo
Social Media Marketing · Web Development · Web Design
Magic Mayo develops apps and websites and also runs online marketing campaigns. It started in 2009 and operates from London, Lahore and Dubai.
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For vendors

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The order is earned on evidence: client reviews, vetting, awards and the facts a business states on its own website, which we read and date. Nobody can pay to move up. Add reviews or verified facts to your free profile to move up at the next edition; there are two ways to stand out now, and each one says what it is.

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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 (433) · India (264) · Germany (126) · Canada (81).

Other specialisms in the UK: UI/UX design (941) · e-commerce (854) · Android app development (812) · iOS app development (800) · WordPress (752).

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

Every category in the UK: the UK country page.

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

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More on TrustList

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

Top IT Service Providers for SEO in the UK

Torchbox

Strange

Chetaru UK Limited

MBA

Selesti

WebbyMonks

Web Bureau

Kagool

Indigo Multimedia

BritWeb

Welford Media

Magic Mayo