Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
London, United Kingdom
Based in London, this agency positions itself specifically around law firm marketing rather than general SEO work, serving solo practitioners and leg…
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Doncaster, United Kingdom
Based in Doncaster, England, The SEO Tog is a small SEO practice run for photographers, videographers and trade-based service businesses such as plum…
View ProfileUK, United Kingdom
The Sharp Agency is a UK-based digital marketing agency specialized in delivering innovative and results-driven marketing solutions. With a commitmen…
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Sheffield, United Kingdom
Based in Sheffield, England, this small team operates as part of Dialled In, positioned as an outsourced marketing, sales and creative department for…
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London, United Kingdom
The Small Biz Expert is a small London-based digital marketing agency that works specifically with small and medium-sized businesses across the UK an…
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Urmston, United Kingdom
Based in Urmston, within the Trafford/Tameside area of Greater Manchester, The Smart Bear Websites works with small businesses, charities and purpose…
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Warrington, United Kingdom
The Snap Agency is based at The Base on Dallam Lane in Warrington, England, and operates as a small team of up to ten people describing itself as a "…
View ProfileBristol, United Kingdom
Based in Bristol, The Spark Creative is a small digital marketing agency working with businesses looking to build an online presence and generate cus…
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London, United Kingdom
With offices in London, Bristol, Kent, Dublin and Los Angeles, The Specialist Works positions itself as a media agency working specifically with what…
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Bournemouth, United Kingdom
Operating out of Poole Road in Bournemouth, this small team works with businesses seeking to improve visibility in search results without the overhea…
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Telford, United Kingdom
Based at Grosvenor House in Central Park, Telford, The Studio 4 is a small marketing agency covering web development, graphic design and digital mark…
View ProfileLondon, United Kingdom
Based at 30 Park Street in London, The Team has operated as a brand consultancy since 1982. Its client list includes The Beatles, bp, Colt, and Right…
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United Kingdom
The Think is a creative agency based in London, working with start-ups and established businesses looking to build or refresh their brand. The team i…
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Wraxall, United Kingdom
Based in Wraxall, England, Upthrive works with operations-heavy teams that rely on multiple software systems and want those systems connected rather…
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Staines-upon-Thames, United Kingdom
Based in Staines-upon-Thames, England, The Visual Safari Design Group is a small creative marketing agency working with corporate clients on branding…
View ProfileUK, United Kingdom
The Way Design is a UK-based digital marketing agency specialized in delivering innovative web design and development solutions tailored to meet the…
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Cardiff, United Kingdom
Based in Cardiff, Wales, The Web Design Studios is a small team working with businesses that need a website built around a product or service they wa…
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Middleton-on-Sea, United Kingdom
Based in Middleton-on-Sea, The Web Page is a small team of freelance website designers working with small, local businesses that need a stronger onli…
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Newton-le-Willows, United Kingdom
Based in Newton-le-Willows, St Helens, this small web design agency works with businesses ranging from startups to multinational corporations. It ope…
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Barnes, United Kingdom
Based in Barnes, England, The Web Surgery is a small digital agency, founded in 2010, that focuses specifically on the healthcare sector. Its stated…
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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.
