Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Leeds, United Kingdom
Based in Selby Road, Leeds, West Yorkshire, Fleek Marketing is a digital marketing agency built around SEO consultancy, audits and campaigns, alongsi…
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Based in Billingshurst, West Sussex, FlexWebDev is a small team of web designers, developers and SEO consultants working with entrepreneurs, small bu…
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United Kingdom
Based in London at the Accelerator Building on Kingsland Road, Fliptag Ltd. is a small creative and digital studio operating with a team of under ten…
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Cambridge, United Kingdom
Based at the Bradfield Centre on Cambridge Science Park, with additional offices in London and Harrogate, flocc works with high growth brands seeking…
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Hazlemere, United Kingdom
Based in Hazlemere, near Beaconsfield in Buckinghamshire, flockstudio is a freelance design and digital practice run by a single specialist with more…
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United Kingdom
Fluid is a strategic communications agency that specializes in crafting ideas that connect with people on a deep, emotional level. They focus on crea…
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Fluxify Digital Ltd is a small UK-based agency, with a team of up to ten people, working with brands across various sectors on marketing and digital…
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Hooton, United Kingdom
Based in Hooton, Cheshire, Fly High Media is a digital marketing agency serving brands across Manchester and the wider Cheshire area, with a small te…
View ProfileLondon, United Kingdom
Based in London, Flycast Media works specifically with businesses in the financial sector, including asset managers, hedge funds, fintech companies,…
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UK, United Kingdom
FML PR is a UK-based digital marketing agency specializing in public relations and brand management. Although the website is currently experiencing t…
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Kings Hill, United Kingdom
Based in Kings Hill, West Malling, in Kent, FMS Marketing Agency has been offering marketing services to businesses since 1994. It works primarily wi…
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London, United Kingdom
FMUK Group is a London-based digital marketing agency specialized in delivering comprehensive solutions that drive measurable results for businesses…
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Colchester, United Kingdom
Based in Colchester, this agency positions itself as a digital growth partner for UK businesses that want performance rather than fragmented digital…
View ProfileColchester, United Kingdom
Based in Colchester, England, Focus Ecommerce and Marketing works with online retailers looking to combine web development with ongoing trading suppo…
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Brighton, United Kingdom
Registered in Brighton but operating as a remote-first practice, Focus Mode positions itself as a strategic marketing advisory rather than a conventi…
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Enfield, United Kingdom
Fome Agency operates out of Enfield, on the edge of London, with a small team serving businesses ranging from local small enterprises to larger, esta…
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Colchester, United Kingdom
Based in Colchester, England, Footprint Digital is a digital marketing agency operating with a small team of specialists. It works across sectors inc…
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Oxted, United Kingdom
Based in Oxted, Surrey, Footprint Web Design is a small creative agency established in 1996, working with businesses across the UK on web design, bra…
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Reading, United Kingdom
Based in Reading, Berkshire, Forest Web Design Reading works with local businesses seeking a first website or an upgrade to an existing one, along wi…
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Puttenham, United Kingdom
Based in Puttenham, England, and operating since 2011 with a small team of up to ten people, this agency works with organisations at different stages…
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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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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.
