Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Chandler's Ford, United Kingdom
Based in Chandler's Ford, England, Digital Plant Pot is a small digital advertising agency working with businesses that want to turn ad spend into me…
View ProfileLondon, United Kingdom
Based in London and operating under the registered name Netzen Solutions Ltd, Digital PR is a small team of digital marketers, sized between one and…
View ProfileLondon, United Kingdom
Based in London, this small agency operates with a team of ten or fewer, working across local and national SEO alongside conversion optimisation, eco…
View ProfileEdinburgh, United Kingdom
Small businesses across Scotland and the wider UK make up the client base of this Edinburgh-based agency, founded by Isla McGill. Operating with a sm…
View ProfileWarrington, United Kingdom
Based in Warrington, England, Digital Score Ltd is a small operation built around the work of Emile Rossouw, an SEO and organic growth specialist who…
View ProfileLondon, United Kingdom
Registered in England since 2010 and based at Wenlock Road in London, Digital Search Group Ltd is a small SEO-focused agency working with a broad ran…
View ProfileEdinburgh, United Kingdom
Based at 14 Albany Street in Edinburgh, Digital Six is a specialist ecommerce agency that has worked with retailers for over 25 years. It focuses exc…
View ProfileBournemouth, United Kingdom
Based in Colonnade House on Westover Road in Bournemouth, Digital Storm has operated since 2003, working with businesses, charities and organisations…
View ProfileLondon, United Kingdom
Based in London, Digital Trails works as a PR, content and SEO partner for e-commerce and service providers looking to expand internationally and bui…
View ProfilePoulton-le-Fylde, United Kingdom
Based in Poulton-le-Fylde near Blackpool, this small agency works with businesses across the Fylde coast area seeking a local point of contact for th…
View ProfileBelfast, United Kingdom
Based in Belfast, Digital 24 is a small digital marketing agency serving businesses across Northern Ireland, mainland UK and Ireland. The team works…
View ProfileLondon, United Kingdom
Based in London, this agency operates as part of a wider international network with additional offices across France, Germany, Italy and Spain, and w…
View ProfileLondon, United Kingdom
A small London-based team, Digital Uptech works with a range of small and local businesses, offering digital marketing and web development services t…
View ProfileBristol, United Kingdom
Based in Clifton, Bristol, and operating since 1999, Digital Visual is a small technical agency serving businesses across the UK. The team has histor…
View ProfileUnited Kingdom
Based in Wrexham, Digital WebWorx Ltd serves businesses across North Wales, Chester and other parts of the UK. The agency works with companies of var…
View ProfileLondon, United Kingdom
Operating from an office on Regent Street, Digitalhound Ltd works with businesses based in London as well as clients across the UK, Europe, North Ame…
View ProfileManchester, United Kingdom
Digitally Brilliant Ltd is a small digital marketing agency based in Manchester, working with UK and US brands that want a combined approach to web p…
View ProfileLondon, England, United Kingdom
Digitally Organic is a small marketing team based in London, with contact numbers listed for both the UK & Ireland and the USA & Canada, indicating i…
View ProfileLondon, United Kingdom
Digitally Unique Ltd is a link building agency based in London, working with businesses and agencies across the UK, USA and internationally rather th…
View ProfileTHUB, United Kingdom
Based at THUB in the United Kingdom, DigitalME positions itself as an email and CRM marketing agency working with scaling founders. Client testimonia…
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.