Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
St Asaph, United Kingdom
Based in St Asaph, North Wales, this agency works with startups, established businesses and organisations looking to scale, describing its client bas…
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bournemouth, United Kingdom
Based in Bournemouth, England, this agency positions itself as a full-service hospitality digital marketing provider, working with hotels, restaurant…
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Enderby, United Kingdom
RR Webdesign works from an Enderby base, with additional offices in Leicester and Coventry and a further office in Spain, serving businesses across L…
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London, United Kingdom
London-based RT7 Digital works specifically with established Amazon 1P Vendor businesses, including brands running hybrid Vendor Central and Seller C…
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Thornton-Cleveleys, United Kingdom
Based in Blackpool (Thornton-Cleveleys), RTDCreative designs websites and delivers search engine optimisation for small and medium-sized businesses a…
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Burnley, United Kingdom
Based in Burnley, Lancashire, Studio RTR (RTR TV) operates as a full-service video and television production company, supplying camera crews and prod…
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London, United Kingdom
A small team based in London works as a digital experience and technology agency, combining design, development, and marketing disciplines for busine…
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United Kingdom
Based in the United Kingdom, Ruddle Digital is a small marketing agency, with a team of one to ten people, working with businesses across sectors tha…
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London, United Kingdom
Rudo B2B is a London-based agency working exclusively with B2B companies across sectors such as SaaS, manufacturing, recruitment, financial services,…
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Berkhamsted, United Kingdom
Based in Berkhamsted, Hertfordshire, Rufus Design has worked with businesses across the UK since 2007, offering a small team handling web and digital…
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Batley, United Kingdom
Based in Wakefield, West Yorkshire, Rushfirth Creative works with founders, teams and expert-led businesses across the UK and internationally. The ag…
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London, United Kingdom
Based in London, this small digital company is directed by founder Tasnimul Rizvi and works with businesses in the UK and USA across various sizes, f…
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Cardiff, United Kingdom
Based in Cardiff, this SEO agency works with businesses across South Wales while also serving clients located throughout the UK. It operates as a sma…
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UK, United Kingdom
S1 Design is a UK-based digital marketing agency specialized in delivering comprehensive design and marketing solutions tailored to the unique needs…
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Birmingham, United Kingdom
S83 Media is a small design and marketing agency based in Birmingham, working with a team of up to ten people. It serves businesses looking for a sin…
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United Kingdom
Based in the United Kingdom, SaasPedia works with SaaS founders and startups, along with B2B and B2C AI companies, looking to gain visibility inside…
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Dorset, United Kingdom
Based in Bournemouth, with a further office in London's Soho, Salad has operated as a brand, creative and digital partner for over 25 years. The agen…
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Chester, United Kingdom
Based in Chester, Salience Search Marketing has operated since 2009, working with UK and international brands across sectors including travel, retail…
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Great Dunmow, United Kingdom
Salon Guru, based in Great Dunmow, England, specialises exclusively in the hair and beauty sector, working with hair salons, beauty salons, aesthetic…
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Leeds, United Kingdom
Based in Leeds, with additional offices in London and Boston, Massachusetts, SALT.agency works with global brands seeking growth through search visib…
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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.
2026-08-02 · 12 min read
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.
2026-08-02 · 11 min read
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.
2026-08-02 · 11 min read
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.
