Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Brighton, United Kingdom
Based in Brighton, Seedhub Media is a small SEO-focused digital marketing team working with businesses of varying sizes, from new and established com…
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Bury, United Kingdom
Based in Bury, England, Seek Marketing Partners is a digital marketing agency working with medium-size and larger companies across a range of sectors…
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Bristol, United Kingdom
Based in Bristol, Seeker Digital is an organic marketing agency working with brands across sectors including ecommerce, global hiring and healthcare.…
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Norwich, United Kingdom
Operating as an independent SEO consultant based in Norwich, this practice has been working with businesses across Norwich, Norfolk and the wider UK…
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Manchester, United Kingdom
Based in Manchester, Selecta Sol is a small digital agency (1-10 people) whose website presents it as serving businesses across sectors including man…
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Norwich, United Kingdom
Based in Norwich with an additional office in London, Selesti is a small digital agency working with brands across sectors including healthcare and c…
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Chesterfield, United Kingdom
Based in Chesterfield at the Dunston Innovation Centre, Creativity Sells Ltd (trading as Sell More Online) has operated since 2007 with a small team…
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London, United Kingdom
Based in London, Selteq Ltd is a software and technology company working with organizations across more than 20 countries, spanning sectors such as h…
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Birmingham, United Kingdom
A small team based in the Midlands, SEM Consultants works with businesses across a range of trades and industries, including retail, home improvement…
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London, United Kingdom
Based in London, Semantic Minds is a small digital marketing agency working with small businesses and SMEs across sectors such as education, professi…
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London, United Kingdom
Founded in 2013 and based in London, Semetrical is a small digital marketing team that works with businesses ranging from global multinationals to st…
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Denby Dale, United Kingdom
Based in Denby Dale, England, SemLocal is a small team (1-10 staff) focused on local search marketing for UK businesses looking to attract customers…
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London, United Kingdom
Semtelligence Limited is registered in London, though its contact address is listed at Orchard Studios in Sedgefield, Stockton-on-Tees, Cleveland. Th…
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Nottingham, United Kingdom
Based in Nottingham, Senior Internet Limited works specifically with membership organisations and associations rather than businesses in general. The…
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London, United Kingdom
Based in London, Senotrix Ltd is a small digital marketing team, sized between one and ten people, working with small businesses across the UK. The a…
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Hampton Vale, United Kingdom
Based in Peterborough, England, this agency is run by a sole practitioner, Simon, who works with clients across the UK and internationally. Founded i…
View ProfileLeeds, United Kingdom
Sentiva Web Design is a small team based in Leeds, England, though its client focus is centred on Grimsby, Cleethorpes, Immingham, Louth, Scunthorpe,…
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Colchester, United Kingdom
Based in Colchester, Essex, SEO & Web Ltd. is a small digital marketing agency serving clients across Essex, London and East Anglia. The team works w…
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Manchester, United Kingdom
SEO 4 Instructors, based in Manchester, works exclusively with driving instructors, helping them rank higher on Google in their local coverage areas.…
View ProfileManchester, United Kingdom
Based in Manchester, this agency focuses exclusively on marketing for trade businesses such as plumbers, electricians and builders across the UK. Rat…
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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.
