Discover the top SEO agencies in United Kingdom. Compare services, reviews, and find the perfect agency for your business.
Dronfield, United Kingdom
Based in Dronfield, Derbyshire, Techware One Ltd is a small technology-oriented agency with a team of between one and ten people. The company works w…
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United Kingdom
Based in Hounslow, Techwiser Solutions Ltd operates from a UK office supported by development centres elsewhere, positioning itself as a single point…
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England, United Kingdom
A software development company based in Dagenham, London, TechXect works with businesses across a range of sectors, including IoT, telecom, education…
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Edinburgh, United Kingdom
Teckle Digital is a small digital marketing team based in Edinburgh, working with businesses across Fife, Glasgow, Dundee and more broadly Scotland a…
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Inverness, United Kingdom
Based in Inverness, with a second office in Edinburgh, teclan is a small digital agency founded in 2016 that works with businesses across Scotland an…
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Harrogate, United Kingdom
Based in Harrogate, Tekfirst is a small digital agency serving clients across the UK, combining web development with digital marketing and IT support…
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Rainham, United Kingdom
Based in Rainham, Essex, this small web development agency works with businesses looking to build or strengthen their online presence through website…
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Nottingham, United Kingdom
Based in Nottingham, Teklytic Web Development works with small businesses, tradespeople and startups across the UK looking for affordable web design,…
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London, United Kingdom
Based in Covent Garden, central London, Teksyte is a digital marketing agency trading since 2012 under Companies House registration. It works with UK…
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Southampton, United Kingdom
Based in Southampton, England, TenComm is a small digital agency, with a team of between one and ten people, that works with businesses seeking a sin…
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Kingsnorth, United Kingdom
Based in Ashford, Kent, Tenji Digital is a small, one-person-led operation specialising exclusively in Squarespace websites, run by Tom. The agency h…
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London, United Kingdom
A small team based in London, Teqnoor works as a digital marketing and IT solutions provider with a stated focus on B2B brands, positioning its offer…
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City of London, United Kingdom
With offices in Hackney and Richmond in London plus a Melbourne base, Terrier Agency is a digital marketing agency working with businesses across sec…
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Sheffield, United Kingdom
Test Creative operates as a small creative consultancy based in Sheffield, England, working with a limited number of client organisations at any one…
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Wolverton, United Kingdom
Based in Wolverton, Milton Keynes, TFA is a marketing and design agency working primarily with B2B clients across a range of sectors. Its team of 11-…
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Bedford, United Kingdom
Based in Bedford, Bedfordshire, TH UK Ltd is a small online marketing agency, with a team of between one and ten people, offering internet marketing…
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Bowdon, United Kingdom
Based in Bowdon, near Altrincham in Cheshire, this small agency operates from St Mary's Studios and works with a team of up to ten people. The websit…
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United Kingdom
Based in London, The Altitude Marketing describes itself as a digital marketing agency serving businesses across the UK, with particular reference to…
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Stretford, United Kingdom
Based in Stretford within Trafford Park, The Artlab Ltd. is a small, full-service digital agency operating with a team of ten or fewer. Its work span…
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London, United Kingdom
Based in London, this agency operates as a HubSpot partner supporting organisations across a range of sectors, including real estate and educational…
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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.
