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, Screencult positions itself as a boutique corporate communications consultancy with two decades of experience in story-led video for…
View ProfileStockton on Tees, United Kingdom
Based in Stockton on Tees, Stack Digital Limited is a small performance marketing agency working with clients in iGaming, e-commerce and travel. Its…
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Stoke on Trent, United Kingdom
Based in Stoke on Trent, United Kingdom, Stacksole is a small agency, with a team of between one and ten people, founded in 2018. The company works w…
View ProfileStafford, United Kingdom
Stafford Web Studio is a Stafford-based digital marketing agency specialized in delivering comprehensive online solutions tailored to the unique need…
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Hucknall, United Kingdom
Based in Hucknall, Nottinghamshire, this small team of one to ten people describes itself as a digital-first image and video production agency workin…
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United Kingdom
A small team based in Sheffield and Lincoln, Stage Digital focuses specifically on marketing for insurance, property and finance brands. Rather than…
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Manchester, United Kingdom
Based in Sale, near Manchester, Standby Productions has operated since 2011 as a video production company working with businesses of varying sizes, f…
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Overstone, United Kingdom
Star Digital was a web design and digital marketing agency based in Northampton, England (with a registered address in Overstone), operating with a s…
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London, United Kingdom
Starberry works specifically within the property sector, building digital services for estate agents and property developers. Based in London with an…
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United Kingdom
Based in Liverpool, STARLink Global has served clients in Manchester and the wider region since 2013. The agency works across web design, software de…
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City of London, United Kingdom
Based in the City of London, Start with Data works with retailers, distributors and manufacturers on product data and content management. Clients com…
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Swindon, United Kingdom
Based in Swindon, StartWeb Studio is a small web design and SEO agency working with startups and small businesses across Swindon and the wider UK. Th…
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Cardiff, United Kingdom
Based in Clockwise Offices, Brunel House on Fitzalan Road, Cardiff, Station Rd Marketing is a small team of ten or fewer people offering strategic ma…
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Westhoughton, United Kingdom
Based in Westhoughton near Bolton, Statuo is a small digital marketing and web design team serving businesses across the UK, including manufacturers,…
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Chester, United Kingdom
Based in Chester, Staunton Rook Marketing works with both small and large companies across the UK, offering affordable digital marketing packages rat…
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Farsley, United Kingdom
Based in Farsley, England, SteadyGo operates as an Umbraco-focused agency, working as an Umbraco Gold Partner since 2012. The team, sized between 1 a…
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London, United Kingdom
Steel London was a digital marketing agency based in London, specializing in various online marketing services. The agency focused on providing clien…
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Sheffield, United Kingdom
Based in Dronfield near Sheffield, this small agency, founded in 2008, works with businesses of varying sizes across design, web development and busi…
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Godalming, United Kingdom
Based in Godalming, Surrey, Steelstar is a small creative team founded in 2010 that works with clients across the UK on both B2C and B2B communicatio…
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London, United Kingdom
Based in London, Stefanie Grant Ltd is a small marketing consultancy operating as a solo practice, working with founders and leadership teams who lac…
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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.
