Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Northampton, United Kingdom
Based in Northampton, England, Kinetic Traffic works specifically with law firms and solicitors' practices, focusing on helping legal businesses gene…
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Kinetic We Create is a UK-based digital agency specializing in innovative solutions for businesses. They offer a range of services including SEO, web…
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King Harmsworth is a London-based digital marketing agency specialized in delivering innovative and results-driven solutions for businesses seeking t…
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United Kingdom
Based in Scotland and working with clients across the UK, King Kong Digital is a small digital marketing team offering website design, SEO and lead g…
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Kirsty Burgoine offers a platform for individuals seeking casual connections without commitments. The service focuses on facilitating quick and easy…
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London, United Kingdom
KISS Communications is headquartered in Cambridge, with its registered office at the Pitt Building on Trumpington Street, though it is also listed un…
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United Kingdom
A small design studio based in the United Kingdom, Kitsune Studio works with brands, cultural organisations and educational institutions on a project…
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Wilmslow, United Kingdom
Based in Wilmslow, this agency works with online retailers seeking to build, optimise or scale eCommerce stores, positioning itself as a full-service…
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Bristol, United Kingdom
Based in Clifton, Bristol, KJA Digital is a web development and design studio working with businesses and individuals ranging from month-old startups…
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Birmingham, United Kingdom
KJK Designs is a one-person web design and SEO practice run by Kennedy, based in Walsall and serving Birmingham and the surrounding West Midlands are…
View ProfileManchester, United Kingdom
Based in Manchester, Klub Clicks is a small digital agency working with small and medium-sized businesses across sectors such as golf schools, vehicl…
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North Lincolnshire, United Kingdom
Based in North Lincolnshire, Knapton Wright is a small marketing team, led by managing director Alex Wright, working with brands seeking to build a m…
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Stafford, United Kingdom
Based in Stafford, England, with additional offices covering the USA and India, KnotSync is a digital agency founded in 2014 by Varinder Rajoria. It…
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London, United Kingdom
Know Digital is a London-based marketing agency focused on creating impactful digital solutions. They specialize in delivering beautiful work that dr…
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Knowledge Bank is a digital marketing agency specializing in providing tailored solutions to enhance online visibility and drive growth. They focus o…
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London, United Kingdom
Based in London, Knowza Learning Solutions works with educational institutions, training providers, and awarding organisations across the UK. The age…
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Axminster, United Kingdom
Kode Designs, based in Axminster, works with local businesses across Devon, Dorset, and Somerset, including Chard, Crewkerne, Honiton, Seaton, and Ly…
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Birmingham, United Kingdom
Based in Birmingham, this agency works with small and medium-sized businesses across the West Midlands and the wider UK, ranging from sole traders to…
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Solihull, United Kingdom
Koenig Web Design Solihull is a family-run web design and digital marketing business based in Solihull, England, established in 2008. It serves busin…
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United Kingdom
Kong Media is a UK-based digital marketing agency specializing in domain management and online presence optimization. With a mission to empower busin…
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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.
