Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
London, United Kingdom
Founded in 2010 and based in London, Reposition.co.uk works with businesses across sectors including property and estate agents, ecommerce and retail…
View ProfileBirmingham, United Kingdom
Based in Birmingham, England, Republic Marketing is a small digital agency, founded in 2020, working with start-ups and established brands seeking gr…
View ProfileManchester, United Kingdom
Republic of Media is a Manchester-based digital marketing agency specialized in delivering market-leading performance through innovative media planni…
View ProfileUK, United Kingdom
Republik One is a UK-based digital marketing agency specialized in delivering innovative and results-driven solutions for businesses seeking to enhan…
View ProfileLiverpool, United Kingdom
Based in Liverpool, Resident North is a small digital marketing agency, founded in 2022, working with businesses across the UK. It partners with bran…
View ProfileDevizes, United Kingdom
Based in Devizes, Wiltshire, Resolution Design works as a marketing department for small and medium-sized businesses across the UK that feel their ex…
View ProfileScunthorpe, United Kingdom
Resolution Television, based in Scunthorpe, United Kingdom, has operated since 2005 with a small team of up to ten people. The agency focuses on safe…
View ProfileLeeds, United Kingdom
Based on Armley Road on the outskirts of Leeds city centre, Resource is an integrated communications agency that has been operating for over 30 years…
View ProfileUpper Sundon, United Kingdom
Based in Upper Sundon, Bedfordshire, Resultas Ltd is a small UK website development company that also lists a London address on City Road. The team w…
View ProfileManchester, United Kingdom
Based at Jactin House on Hood Street in Manchester, Return works with ecommerce, retail, and B2B brands across the UK. The agency is a small team, op…
View ProfileFarnborough, United Kingdom
Based in Farnborough, England, Revenue Works works with B2B companies seeking more predictable revenue outcomes rather than one-off campaign executio…
View ProfileSileby, United Kingdom
Based in Sileby, Revival Media serves businesses across Leicester and Leicestershire, including Loughborough, working with clients ranging from small…
View ProfileBirmingham, United Kingdom
Founded in 2008 and based in Birmingham, Rewired PR works with consumer and B2B brands across the West Midlands and the wider UK. The agency's client…
View ProfileUK, United Kingdom
RGB is a UK-based digital marketing agency specialized in delivering innovative solutions that drive measurable results for businesses of all sizes.…
View ProfileShrewsbury, United Kingdom
Based in Shrewsbury, United Kingdom, Rhino Rank operates as a link building agency working primarily with SEO agencies and businesses looking to outs…
View ProfileSaint Mellons, United Kingdom
Based in Old St Mellons, Cardiff, this design company works with clients across South Wales and the UK, ranging from startups to larger organisations…
View ProfileBermondsey, United Kingdom
Based in Bermondsey, London, Rich Clicks has supported eCommerce and B2B projects in the UK and international markets since 2013. The agency position…
View ProfileCreaton, United Kingdom
Based in Creaton, Ridgemount is a marketing and PR agency that specialises exclusively in the construction sector, working with businesses across con…
View ProfileWitney, United Kingdom
Based in Long Hanborough, Oxfordshire, with a sales presence in London, Ridgeway is a small digital agency working with both B2C and B2B organisation…
View ProfileUnited Kingdom
Based in London, RightEBiz is a small digital agency working with startups and growing businesses that need an online presence built or scaled. The t…
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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.
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.
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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.