Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Ivybridge, United Kingdom
Based in Royal William Yard, Plymouth, matr!x is a small web design and development studio that has operated since 2002, working with businesses and…
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Romford, United Kingdom
Based in Romford, Matrion Solutions Ltd is a small UK software and AI company serving businesses across the United Kingdom that need custom technolog…
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London, United Kingdom
A small digital marketing agency based in London, Matrix Digital Ltd. works with businesses across varied sectors, including textiles, education, e-c…
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Birmingham, United Kingdom
Based in Birmingham, Matrix Web Design is a small digital agency working with businesses across the UK, from small and medium-sized companies to orga…
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Sheffield, United Kingdom
Based in Sheffield, England, Matt Jackson SEO Consultant is an independent, ecommerce-focused SEO specialist who has worked exclusively in online ret…
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Dudley, United Kingdom
Based in Dudley, West Midlands, this consultancy is led by Dr Mauawiyah Hussan, a Doctor of Business Administration, and works with UK businesses acr…
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Sheffield, United Kingdom
Based in Sheffield, England, Mavents Technology Services operates as an independent AI and automation consultancy working with organisations seeking…
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Wallasey, United Kingdom
Operating from Wallasey on the Wirral since 2006, Max Web Solutions is a small team (1-10 people) offering web design and SEO services to businesses…
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Belfast, United Kingdom
A small web design and digital marketing agency based in Belfast, Northern Ireland, Max Websites works with businesses across a range of sectors, inc…
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London, United Kingdom
Based in London, Maxamaze Limited is a small agency, team of ten or fewer, that works specifically with Amazon private label sellers rather than gene…
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Newton Aycliffe, United Kingdom
Based in Newton Aycliffe, with additional contact points covering Newcastle, Leeds and Leyburn, May Green Marketing works with businesses across the…
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Maya Digital is a UK-based digital marketing agency specializing in innovative and cutting-edge solutions tailored to meet the unique needs of modern…
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Liverpool, United Kingdom
Mayfly Internet Marketing is a Liverpool-based digital marketing agency with over 15 years of experience. They specialize in creating tailored strate…
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Cardiff, United Kingdom
Based in Cardiff, Mayura Creatives is a small web design and SEO agency also serving businesses in Bristol and the wider UK. Founded by Vikram, who h…
View ProfileKing's Lynn, United Kingdom
Maze Media is an award-winning marketing agency based in King's Lynn and London, specializing in creative campaigns that drive results. With over a d…
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Sheffield, United Kingdom
Founded in 1989 by Mike Bennett, MB Advertising & Marketing Ltd is a Sheffield-based agency built specifically around the automotive sector. Its clie…
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United Kingdom
MB Communications specializes in helping health care and policy organizations communicate effectively. We focus on delivering creative print and digi…
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Lewes, United Kingdom
Based in Lewes, East Sussex, this small agency works with businesses seeking a full web presence rather than a single service in isolation. It operat…
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Manchester, United Kingdom
MC2 specializes in strategic marketing communications for high-growth businesses. They focus on building brand value and driving sales through innova…
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Petersfield, United Kingdom
Based in Petersfield, Hampshire, McGinn & Dolphin is a small digital marketing agency run by a compact team supporting growing businesses with their…
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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.
