Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Oxford, United Kingdom
Based in Oxford, this small consultancy works with startups, SMEs, larger businesses and charities looking for support with digital marketing, either…
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Cheltenham, United Kingdom
Based in Cheltenham, England, this small agency specialises in WordPress websites, with most of its team working remotely. It works primarily with re…
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Southampton, United Kingdom
Founded in 2016 and based in Southampton, England, with an additional office at Summit House in Holborn, London, and a remote-first presence across S…
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Broadway, United Kingdom
Riley & Thomas is a design-led studio based in Broadway, in the Cotswolds, England, working with a small team of between 1 and 10 people. The agency…
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Nottingham, United Kingdom
Based in Nottingham, England, Rinato Media works with businesses seeking to develop their digital brand and online identity, operating with a small t…
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London, United Kingdom
Based in London, Riordan SEO is a boutique agency that has operated for more than twelve years, working with businesses across the UK, including Lond…
View ProfileLondon, United Kingdom
Based in London, Riordan SEO UK describes itself as a boutique agency with more than 12 years of experience serving businesses across London, Manches…
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Kells, United Kingdom
Based in Ballymena, Northern Ireland, this small digital marketing and web design agency works with small and medium-sized businesses across the UK a…
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Liverpool, United Kingdom
Rippleffect is based in Liverpool, England, with additional offices across London, Lancaster, Bristol, Hamburg, Porto, New York and Hong Kong, positi…
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Borehamwood, United Kingdom
Rise operates out of Borehamwood, England, working with startups and SMEs looking to scale their marketing activity without building an in-house team…
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Suite 9, United Kingdom
Based in Leeds, this small agency works with businesses across Yorkshire and the wider UK, positioning itself around a conversion-focused approach to…
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Birmingham, United Kingdom
A small digital marketing agency operating from Grosvenor House on St Pauls Square in Birmingham, Rise Online works with a team of up to ten people.…
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East Charleton, United Kingdom
Based in East Charleton in the UK, RiSEO is a small link building agency, with a team of up to ten people, working with SaaS companies, eCommerce bra…
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Birmingham, United Kingdom
Founded in 2013 and based in Birmingham, England, RiseUp Agency is a digital marketing agency working with brands across sectors including fashion, e…
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London, United Kingdom
Based in London, Rishvi Ltd is a small team, sized between one and ten people, that positions itself as a Linnworks Certified Partner focused on e-co…
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London, United Kingdom
Operating from Tooley Street in London alongside offices in New York and Adelaide, River Film is a small production company, with a team of between o…
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Wiggenhall Saint Germans, United Kingdom
Based in Wiggenhall Saint Germans, Norfolk, Rivmedia Digital Services is a small digital marketing and web design company that has been operating sin…
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Nottingham, United Kingdom
Based in Nottingham, England, this small agency (team of 1-10, founded in 2024) presents itself as a full-service creative agency working across bran…
View ProfileUnited Kingdom
RMB Digital is a UK-based digital agency specializing in providing comprehensive digital marketing solutions. They focus on enhancing online presence…
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United Kingdom
An independent PR, design and marketing agency based in Manchester, RMS works with owner-managed businesses, growing SMEs and established brands, inc…
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The complete migration playbook: what to freeze before launch, how to build a redirect map that actually holds, what to test on the staging site, and how to read the first eight weeks after go-live.
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How B2B search really works: bottom-of-funnel pages before blog volume, comparison and alternatives content, product-led assets, and attribution that survives a six-month cycle.
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When template-generated pages work, when they get ignored, and how to build a programmatic set that survives quality updates: real data, real demand, real internal linking.
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This directory lists 3,907 agencies in United Kingdom, spread across 918 cities. 3,443 of them publish a direct contact (email or phone). The best-represented cities are London (722), UK (191), Manchester (123).
| Team size | United Kingdom | What it means |
|---|---|---|
| 1-10 | 2,948 (75%) | One contact, often the founder. Responsive, limited capacity. |
| 11-50 | 429 (11%) | Specialists per discipline. The most common trade-off. |
| 51-200 | 10 (0%) | Several teams, formal process, higher budgets. |
| 200+ | 22 (1%) | International structure, enterprise accounts. |
Across the 3,907 agencies in this country: SEO (94%), Web Design (65%), SEA/PPC (50%), Social Media (47%), Content Marketing (44%), Web Development (38%). SEO leads with 3,655 agencies.
Stated engagement floors in United Kingdom range from $1,000+ to $100,000+. The most common is $1,000+ (953 agencies). That figure is an entry floor, not a price: it says what size of engagement the agency will take on, which stays the fastest filter for ruling out the ones that do not match your scale.
The 3,907 agencies on this page are ordered by how complete their listing is, not by payment: nobody buys a position here. The information comes from each agency's own website, checked as live. An agency can claim its listing to correct or complete it.
Should you pick an agency based in United Kingdom? Proximity matters most for local SEO and the language your content is written in. Here, English and Spanish are the most declared working languages. For an international site, where the agency sits matters less than its experience in your market.
Small or large agency? 75% of agencies here have fewer than ten people, against 32 above fifty. A small team means direct access to the people doing the work; a large one absorbs heavier programmes without depending on one person.
What to check before signing? Ask for measured results on a site comparable to yours, who actually does the work, and what happens when the contract ends: deliverables and access must stay yours. An agency that will not show its method is selling a black box.
