Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Atherton, United Kingdom
MadeByShape is an independent web design and branding agency based in Atherton, near Manchester, set up in 2010. The team is small, with a size of be…
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Madison Creative is a UK-based digital marketing agency specialized in delivering innovative and tailored marketing solutions that resonate with thei…
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Bury St Edmunds, United Kingdom
Based in Bury St Edmunds, Magellan Design works with businesses across Suffolk, the wider UK and France, having been established in 2003. The agency…
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United Kingdom
Based in Stockton-on-Tees, Magic Designs works with UK businesses across the country, describing its focus as "ambitious" companies seeking to connec…
View ProfileBirmingham, United Kingdom
A small, owner-run studio based in Birmingham, Magin Web Design was started in early 2013 by Aivar and Georgette, who handle client projects themselv…
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Uxbridge, United Kingdom
Based in Uxbridge, England, Maglabs Digital positions itself as a boutique technology partner for marketing professionals rather than a conventional…
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Birmingham, United Kingdom
Based in Birmingham, Magnetize works with service businesses whose sales process involves enquiries, calls and lengthy consideration periods rather t…
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Hounslow, United Kingdom
Based in St Albans, Hertfordshire, MagnifyLab is a small team (1-10 people) working with brands across London and the Home Counties, with client work…
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Leeds, United Kingdom
Based in Leeds, Magpie is a creative communications agency founded in 2011 that works with public sector and social-purpose organisations, including…
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Glasgow, United Kingdom
Based in Glasgow, Scotland, Maguires is an independent branding and creative agency working with a client base that spans start-ups, established SMEs…
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UK, United Kingdom
Mahon Digital is a UK-based digital marketing agency specializing in comprehensive web solutions that empower businesses to thrive in the digital lan…
View ProfileHertford, United Kingdom
Mahon Digital is an award-winning digital marketing agency based in the UK, specializing in SEO, paid search, social media, and content marketing str…
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Newmarket, United Kingdom
Based in Newmarket, Main Ambition works with in-house teams, agencies, and startups across Suffolk, Cambridgeshire, and the wider UK. The agency desc…
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Croydon, United Kingdom
Based in Croydon, Maiva Corporation Limited is a small team, founded in 2008, offering web and software development alongside digital marketing servi…
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London, United Kingdom
Based at Cordy House on Curtain Road in London's Shoreditch, this small agency (team of 1-10) works across a defined set of industries, including tec…
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West Wickham, United Kingdom
Based in West Wickham, England, this agency works with UK businesses seeking measurable lead generation and growth rather than isolated ranking impro…
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Norwich, United Kingdom
Based in Upper King Street, Norwich, Make Space Marketing is a small web design and marketing company serving small, medium and expanding businesses…
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Milton Keynes, United Kingdom
Based in Studio 204 at Milton Keynes Business Centre, Foxhunter Drive, Makilo is a small digital and creative agency operating from a Linford Wood of…
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Ware, United Kingdom
Based in Ware, England, Making Websites Better works with growth-stage B2B businesses that already have an in-house marketer or marketing team but fe…
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Greenfield, United Kingdom
Based in Greenfield, Oldham, MALO Creative Media is a small digital agency founded in 2022 by Matt Givvons, who previously worked at design agencies…
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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.
