Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Nottingham, United Kingdom
Horus Communications specializes in 3D CGI visual communication strategies, focusing on captivating and effective designs for various sectors. With a…
View ProfileLondon, United Kingdom
Based in London, HostHelp combines web infrastructure with digital marketing services aimed at businesses that need both a technical foundation and o…
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Leeds, United Kingdom
Based in Tower Works on Globe Road in Leeds, Hot House Digital is a small team offering organic growth support to businesses across sectors including…
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Longridge, United Kingdom
Based in Longridge, West Lothian, Hot Igloo Productions Ltd has offered web design and SEO services since 2004, working with clients across Livingsto…
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Lancaster, United Kingdom
Based in Lancaster, Lancashire, with a second office in Hoxton, London, Hotfoot Design is an independent creative and digital agency that has worked…
View ProfileBerkhamsted, United Kingdom
Howell Penny is an independent marketing agency specializing in retail, FMCG, and financial services. They focus on building compelling brand and mar…
View ProfilePlymouth, United Kingdom
Based in the South West of England, with references placing it in both Plymouth and Cornwall, href Media is a small digital marketing team, sized bet…
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Birmingham, United Kingdom
Based at Rum Runner Works on Broad Street in Birmingham, HROC works as an integrated marketing agency with a team of between 11 and 50 people. The ag…
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Henley in Arden, United Kingdom
With offices in Henley in Arden, Warwickshire, and on York Street in Marylebone, London, HTDL has been operating since 1988, making it one of the lon…
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Manchester, United Kingdom
HTP is an international marketing agency specializing in science and technology. They create compelling narratives and distinctive identities to enha…
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City of London, United Kingdom
Based in the City of London, Huble is a HubSpot Elite Agency Partner operating across several global offices, including coverage for UK & Ireland, DA…
View ProfileUnited Kingdom
Hubmasters is a digital marketing agency based in the United Kingdom, specializing in providing comprehensive solutions for businesses looking to enh…
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United Kingdom
Hugh Campbell Marketing is a UK-based digital marketing agency specializing in providing comprehensive solutions for businesses seeking to enhance th…
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Sapey Common, United Kingdom
Founded in 1996 and trading as Fifteen Design Ltd, Hughes Media is a small digital agency operating from a Nottingham office, serving companies acros…
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Manchester, United Kingdom
Hulk Marketing Ltd is a digital marketing agency headquartered in Manchester, with additional offices in London, Birmingham and Slough, serving busin…
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Bradford, United Kingdom
Based in Bradford, HumAi Websites is a small web design and digital marketing team serving businesses across West Yorkshire, including Leeds, Shipley…
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Peterborough, United Kingdom
Hummingbird Agency is a digital marketing agency based in Peterborough, specializing in social media, web design, and marketing consultancy. We creat…
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Darlington, United Kingdom
Based in Darlington, with a studio also mentioned in York, Hush Digital is a small boutique agency covering the North East and North Yorkshire. Its t…
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Birmingham, United Kingdom
Based in Birmingham, at the Mclaren Building on Queensway, Huzzah! Digital works specifically within the recruitment sector, building brands, website…
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Royal Leamington Spa, United Kingdom
Hybrid Media Design is a small team based in Royal Leamington Spa, with a registered office in Coventry, England, working with a small (1-10 person)…
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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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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.
