Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Birmingham, United Kingdom
Birmingham SEO Company is a Birmingham-based digital marketing agency specialized in search engine optimization (SEO) services. With a commitment to…
View ProfileBirmingham, United Kingdom
Birmingham SEO UK is a Birmingham-based digital marketing agency specialized in providing comprehensive search engine optimization services tailored…
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London, United Kingdom
Biscuit Bunker is a London-based digital marketing agency specialized in video production and content marketing. With a unique origin story rooted in…
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West Drayton, United Kingdom
BIT BLOX TECH is a West Drayton-based digital marketing agency specialized in web design and development, eCommerce solutions, and comprehensive digi…
View ProfileWadebridge, United Kingdom
BIT Quirky Consulting is a Wadebridge-based digital marketing agency specializing in providing Fractional CMO services and strategic marketing consul…
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London, United Kingdom
Bit Technologies is a London-based digital marketing agency specialized in web design and development, offering a comprehensive suite of services tha…
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Calne, United Kingdom
Operating from Calne in Wiltshire under the trading name Smooth Websites, Biteinto.net works with businesses that have online shops, booking and rese…
View ProfileStaines-upon-Thames, United Kingdom
Based in Staines-upon-Thames and describing itself as an AI-first agency for London and the wider UK market, Bitvero Digital Marketing works with a s…
View ProfileBrighton, United Kingdom
Bitz Brand is a Brighton-based digital marketing agency specialized in user-generated content (UGC) creation and TikTok marketing. With a mission to…
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Birmingham, United Kingdom
Based in Regent Place, Birmingham, Biz Midlands is a small IT and web services company working with small to medium-sized businesses, with particular…
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Cardiff, United Kingdom
Based in Cardiff, United Kingdom, BizBackerz is a virtual assistance agency founded in 2024 that works with businesses across the US and UK. Its clie…
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Manchester, United Kingdom
BizzHub is a Manchester-based digital marketing agency specialized in delivering comprehensive solutions that drive measurable results for businesses…
View ProfileUK, United Kingdom
BKR is a UK-based digital marketing agency specialized in delivering innovative and effective marketing solutions tailored to the unique needs of eac…
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Penn Street, United Kingdom
Based in Penn Street, England, Blabbermouth Marketing Ltd is a small full-service agency with a team of 1-10 people working across brand, digital, de…
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Derby, United Kingdom
Based in Marble Hall on Nightingale Road in Derby, Black Apricot Creative is a small design agency working with businesses across the Midlands as wel…
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UK, United Kingdom
Black Beard Digital is a UK-based digital marketing agency specialized in providing comprehensive solutions tailored for the online gaming and casino…
View ProfileHarlow, United Kingdom
Black Diamond Marketing is a UK-based digital marketing agency specialized in delivering tailored solutions that empower businesses to thrive in the…
View ProfileUK, United Kingdom
Black Square Creative is a UK-based digital marketing agency specialized in delivering innovative solutions that empower brands to thrive in the digi…
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Kirkham, United Kingdom
Based in Kirkham, near Preston, Black Tiger Creative is a small web design and automation studio serving small and medium-sized businesses across the…
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Cheshunt, United Kingdom
Based in Cheshunt, Blackbird Marketing works with UK businesses looking to convert their website and search visibility into a steady stream of calls,…
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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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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.
