Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
London, United Kingdom
Pearl Lemon PPC is a paid advertising agency headquartered in London, founded by Deepak Shukla, that manages campaigns for companies across the UK, U…
View ProfilePeterborough, United Kingdom
Founded in 2007, Pebble Ltd is a small web design and development agency operating from offices in Peterborough and Kings Langley, working with compa…
View ProfileLeeds, United Kingdom
Based on Aire Street in Leeds, Pedro Agency works with organisations across the UK, Europe and the US, offering a full-service digital marketing oper…
View ProfileLondon, United Kingdom
Operating individually from London, Pedro Matias provides SEO consultancy to clients across the UK and internationally, including businesses in Singa…
View ProfileRoyston Road, United Kingdom
With offices in Cambridge and London, Peek Creative is a small brand and marketing consultancy founded in 2008, working with businesses across the UK…
View ProfileGlasgow, United Kingdom
PelicanSpider is a freelance web design operation based in Glasgow, Scotland, run as a one-to-one personal service rather than a larger team. It work…
View ProfileLeicester, United Kingdom
Pencil and Coffee Ltd is a small digital marketing team based in Leicester, England, founded in 2015. The agency works with small and medium-sized en…
View ProfileDerbyshire, United Kingdom
Penn Creative is a leading branding and digital marketing agency with over 15 years of experience. We specialize in creating growth-driven strategies…
View ProfilePenistone, United Kingdom
Pennine SEO is a freelance digital marketing operation run from Penistone, South Yorkshire, by Chris Wood, who has over 20 years of experience in dig…
View ProfileLondon, United Kingdom
Based in London, Peonixis is a small digital agency founded in 2020 that works with businesses seeking to modernise outdated branding, weak site stru…
View ProfileUnited Kingdom
Peretti Communications LTD has been providing exceptional services for over 33 years, focusing on educational and philanthropic opportunities. The ag…
View ProfileLeeds, United Kingdom
Perfect Storm is a digital marketing agency based in Leeds, specializing in creating tailored strategies for businesses. With a team of over 100 digi…
View ProfileDundee, United Kingdom
Based in Dundee, Scotland, Perfect Your SEO is a small consultancy, run by a team of one to ten, that works with businesses in Scotland and internati…
View ProfileKingston Upon Thames, United Kingdom
Performance Communications is a multi-award winning agency specializing in sports, automotive, and technology communications. With a focus on bold an…
View ProfileOxford, United Kingdom
Perini is a digital media and publishing business located in Oxford. They specialize in creating innovative digital products for clients and managing…
View ProfileStockport, United Kingdom
Perpetual10 is a small digital marketing team based in Stockport, working with businesses across the wider Manchester area. The agency is built aroun…
View ProfileNewcastle upon Tyne, United Kingdom
Perro is a creative agency specializing in brand development, design, and digital marketing. They offer a unique approach that combines strategic thi…
View ProfileLondon, United Kingdom
A small team based in London focuses its work on niche-specific SEO for small businesses, with dedicated service lines built around particular trades…
View ProfileLondon, United Kingdom
PGWD is a small web design and SEO agency based in London, working since 2000 with businesses in hospitality, construction, e-commerce, and lifestyle…
View ProfileSheffield, United Kingdom
Based in Sheffield, with a team also working from India, Pharmacy Mentor specialises exclusively in the pharmacy sector. Its client base spans indepe…
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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.