Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
United Kingdom
Based in Harrogate, North Yorkshire, CAL Agency is a small team offering website design and digital marketing support to businesses in Yorkshire and…
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Newcastle upon Tyne, United Kingdom
Based in Spaceworks on Benton Park Road in Newcastle upon Tyne, Cal Partners positions itself as a marketing partner for professional services firms.…
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London, United Kingdom
Calashock focuses exclusively on B2B ecommerce, working with merchants in industries such as hardware and ironmongery, construction and building mate…
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Calibre Media is a UK-based media production company specializing in crafting exceptional video content that resonates with diverse audiences. Founde…
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Caliston is a London-based digital marketing agency specialized in creative online solutions that drive business growth and enhance user engagement.…
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Callpalooza is a UK-based digital marketing agency specialized in B2B lead generation. With a mission to supercharge sales funnels and drive remarkab…
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Stow cum Quy, United Kingdom
Based in Stow cum Quy near Cambridge, this consultancy is run as a small operation of one to ten people, working with small and growing businesses ra…
View ProfileCottenham, United Kingdom
Based in Ely, Cambridgeshire, this one-person operation serves small businesses across Ely, Cambridge, Newmarket, Bury St Edmunds and the wider Cambr…
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Jarrow, United Kingdom
Based in Jarrow, Cameo Digital is a small analytics and SEO consultancy, founded in 2016, working with marketing teams that need clearer measurement…
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London, United Kingdom
A small digital marketing agency based in London, CamRojud works with businesses seeking to grow search visibility and paid campaign performance, as…
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UK, United Kingdom
Can-Do Digital Marketing is a UK-based digital marketing agency specialized in delivering comprehensive solutions across PPC, SEO, and social media a…
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Forres, United Kingdom
Based in Forres, Scotland, Canary Dwarf works with small businesses seeking straightforward, jargon-free support with websites and digital marketing.…
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Penarth, United Kingdom
Candid Creative Studio is a Penarth-based graphic design agency specializing in the intricate interplay of brand, print, and digital design. Founded…
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Manchester, United Kingdom
Operating from Manchester since 2006, Candidsky is a small digital marketing team working with both B2B and B2C brands across the UK, Australia and E…
View ProfileNorwich, United Kingdom
Based in Norwich, England, Candour is a small digital agency working with clients across sectors including insurance, ecommerce, life sciences and ho…
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Liverpool, United Kingdom
Based in Liverpool at The Vanilla Factory on Fleet Street, with a further office in Manchester, Candy Marketing is a small digital marketing team wor…
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Hartlepool, United Kingdom
Canny Commerce is a small WordPress web design studio based in Hartlepool, working with established businesses across the North East, Yorkshire, the…
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Manchester, United Kingdom
Based in Manchester, Cantarus is a digital and web design agency working with organisations across membership bodies, arts and culture, sports and en…
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UK, United Kingdom
Canva Solutions is a UK-based digital marketing agency specialized in web and app development, dedicated to innovating the digital future for busines…
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United Kingdom
Capture Marketing is the UK’s leading commerce media agency, specializing in connecting brands with consumers at the point of consideration and purch…
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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.
