Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
London, United Kingdom
A close-knit digital consultancy based in London, Firefly Digital works with a small team spanning strategy, design and engineering. The company desc…
View ProfileEdinburgh, United Kingdom
Based in Edinburgh, this digital agency and publisher pairs client-facing consultancy work with a network of 172 local magazines spanning the UK, Pol…
View ProfileNottingham, United Kingdom
A small web design and hosting company based in Nottingham, Firepages works with a team of up to ten people building and maintaining websites for cli…
View ProfileBournemouth, United Kingdom
With offices in London and Bournemouth, Dorset, Fireworx works with global brands and businesses aiming to reach that scale. Recognised by The Drum a…
View ProfileUnited Kingdom
First Impressions is a lead generation agency focused on providing measurable business growth. Their flagship service, The Lead Generator, helps busi…
View ProfileHale, United Kingdom
Based in Hale, on the outskirts of Manchester, First Internet has been building websites and running digital marketing campaigns since 1998. The agen…
View ProfileUnited Kingdom
First One On is an integrated marketing agency that specializes in helping businesses enhance their online presence and convert clicks into customers…
View ProfileLondon, United Kingdom
Operating from London, First Place SEO works with SME clients across the UK, taking on a single business per niche within each geographic area rather…
View ProfileRugby, United Kingdom
Firstep Online is a one-person web design and digital marketing service based in Rugby, Warwickshire, working with small and local Warwickshire busin…
View ProfileLondon, United Kingdom
Based in London, FirstRank works with individuals, executives, professional firms and brands dealing with damaging online content and search exposure…
View ProfileLondon, United Kingdom
Based in London, England, Firsttouch NG presents itself through its website as a digital studio serving Lagos, Nigeria, describing work with Nigerian…
View ProfileUK, United Kingdom
Fish Media is a UK-based digital marketing agency specialized in delivering innovative new media solutions that empower clients to discover, create,…
View ProfileSheffield, United Kingdom
Operating as an independent freelance consultancy from Sheffield, England, Fisher SEO is run by Joe Fisher and works remotely with businesses across…
View ProfileNottingham, United Kingdom
Based in Nottingham, this small team positions itself as a technical digital marketing agency rather than a traditional creative shop, built around d…
View ProfileLondon, United Kingdom
Fit Design is a small London-based studio serving UK founders and B2B teams, ranging from Series A startups to SMEs and established firms, with rough…
View ProfileNorth Berwick, United Kingdom
Based in North Berwick, FJH Web Designers has served businesses across Edinburgh, East Lothian and Central Scotland for more than 16 years, with a pa…
View ProfileLondon, United Kingdom
Based in London, FK3 describes itself as an integrated growth agency working with local and global brands across multiple markets, including clients…
View ProfileWeybridge, United Kingdom
Based in Weybridge, United Kingdom, this small agency (founded in 2020, with a team of 1-10) positions its offering around fractional CMO services, c…
View ProfileNottingham, United Kingdom
Based in Nottingham (with ties to Keyworth), Flare Agency is a small digital marketing operation run as a team of one to ten people, working with sta…
View ProfileLiverpool, United Kingdom
Based in the Baltic Triangle area of Liverpool, this small consultancy focuses on B2B marketing for complex businesses, including manufacturers enter…
View Profile
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.