Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Leeds, United Kingdom
Green Gecko Digital is based in Leeds, England, and operates as a small team of up to ten people delivering web, marketing and e-commerce services to…
View Profile
Hull, United Kingdom
Founded in Hull in 2020 by Emily Falkingham and Nick Cranwell, Green Ginger Digital is an independent performance marketing agency working with ambit…
View Profile
Manchester, United Kingdom
Based in Withington, Manchester, Green Globe Media is a small digital marketing agency operating with a team of between one and ten people. It positi…
View Profile
Wakefield, United Kingdom
Based in Wakefield, West Yorkshire, Green Route Media works with clients across the region and beyond, ranging from local businesses and charitable o…
View Profile
London, United Kingdom
Based in London, Greenlight Commerce works with B2B, wholesale distribution, and B2C companies looking to design and build digital commerce platforms…
View Profile
London, United Kingdom
Greenlight Digital is a London-based digital marketing agency specialized in providing cutting-edge solutions for businesses looking to enhance their…
View ProfileUnited Kingdom
Greensquare is a marketing and brand communications agency specializing in the automotive sector. They focus on creating brand experiences that enhan…
View Profile
UK, United Kingdom
Grenadier Holdings is a UK-based investment company that specializes in acquiring, investing in, and building exceptional businesses across critical…
View Profile
London, United Kingdom
Based in London, Gretor Ltd has operated since 2001, running a small team that offers digital marketing services alongside domain, hosting and web in…
View Profile
Sudbury, United Kingdom
Based in Sudbury, England, Grey Car Design offers website design and search engine optimisation to businesses across London and Essex, working with c…
View Profile
London, United Kingdom
Gripped is a London-based digital marketing agency working exclusively with B2B SaaS, AI and technology companies, typically those scaling past £2m A…
View ProfileBirmingham, United Kingdom
Based in Birmingham, Gritt & Co is a small digital design and development business that has operated within the UK digital industry for over two deca…
View Profile
Leeds, United Kingdom
Based in Leeds, England, GRM Digital works with enterprise-level organisations on digital platforms and marketing, positioning itself as a partner fo…
View Profile
cambridge, United Kingdom
Based in Cambridge, at Signet Court, this small team also maintains a UAE office in Sharjah Publishing City Free Zone, indicating a client base that…
View Profile
London, United Kingdom
Based in London, Grow Digital Services Ltd operates as a small team of ten or fewer, describing itself as a strategic growth consultancy focused on B…
View ProfileLondon, United Kingdom
Based in London, Grow Up Digital is a small digital marketing team working with businesses across a range of niche sectors, including manufacturers s…
View Profile
Mead Lane, United Kingdom
Based at Mead Lane in the United Kingdom, Grow+ is a small digital marketing team of between one and ten people, operating since 2013. The agency wor…
View Profile
Shrewsbury, United Kingdom
Based in Shrewsbury, England, GrowRoom is a small digital marketing agency (team of 1-10) positioned as a specialist in AI, data and performance mark…
View Profile
London, United Kingdom
London-based Growth Division works as a growth marketing agency for startups, scale-ups and ambitious SMEs, with stated expertise across sectors incl…
View Profile
London, United Kingdom
A HubSpot Diamond Partner based in London, Growth London Ltd. works as a CRM consultancy and CMS agency for businesses moving onto or already using H…
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.
