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SEO Agencies in the UK

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Looking for an SEO agency in the UK? Below are 18 SEO agencies we checked one by one on their own websites in October 2026. Each card opens the agency’s profile with its services and website.

18 SEO agencies in the UK

Varn

Varn

Varn is a UK specialist SEO, GEO and data analytics agency. Its innovation team works on optimising for AI-powered search such as Google AI Mode and ChatGPT,...

Blue Array

Blue Array

Blue Array is a UK SEO agency based in Reading, with offices in London and Seville. It offers Generative Engine Optimisation (GEO) to win visibility in AI-po...

Impression

Impression

Impression is a multi award winning digital agency that specialises in high return campaigns across SEO, PPC, PR, CRO, web design and more. Founded in 2012, ...

SEMECTRICAL

SEMECTRICAL

Realising Digital Ambitions We’re a multi-award winning digital marketing agency based in central London. We nurture creativity, talent and technology; coll...

Hallam

Hallam

Hallam is a UK digital marketing agency with offices in Nottingham and London. It offers an AI Search service as part of its SEO work, focused on winning vis...

Passion Digital

Passion Digital

Passion Digital is a digital marketing agency based in London (Holborn). Its AI search services include Generative Engine Optimisation (GEO), LLM performance...

Position Digital

Position Digital

Position Digital is a London SEO agency with a dedicated AI Search and GEO practice. It offers AI search optimisation to get clients cited in Google AI Overv...

The SEO Works

The SEO Works

The SEO Works are an award-winning provider of digital marketing, websites and social for leading brands and prospering SME’s. We help businesses measure, un...

Search Logistics

Search Logistics

We Are A Specialist SEO Agency SEO is our obsession. We specialise in ranking sites in search engines. Nothing more, nothing less. Take a look at what have ...

Selesti Ltd

Selesti Ltd

We work closely with our clients to help them reach their digital targets — to extend their offerings, expand their reach, and elevate their results.

I-COM

I-COM

I-COM focuses on delivering a fully integrated digital marketing service to clients in a variety of sectors, with specialisms including recruitment, e-commer...

ClickSlice

ClickSlice

ClickSlice is a London SEO agency based in Hoxton. Its AI Search services include answer engine optimisation (AEO) and generative engine optimisation (GEO), ...

Pearl Lemon

Pearl Lemon

Pearl Lemon is a London SEO agency that offers AI search optimisation as a core service, focused on entity clarity, machine-readable content and visibility a...

Bird Marketing

Bird Marketing

Bird Marketing is a UK digital agency with offices in London, Billericay (Essex) and Glasgow. It lists Generative Engine Optimisation among its SEO services.

Omnius

Omnius

Omnius is an agency for SaaS and fintech companies, headquartered in London with offices in Dubai and Belgrade. It offers generative engine optimization (GEO...

Eskimoz

Eskimoz

Eskimoz is a European search agency with offices in London, Paris, Milan, Madrid and Duesseldorf. It offers generative engine optimisation to raise visibilit...

Quirky Digital

Quirky Digital

Quirky Digital is an SEO agency based in Liverpool, with a European office in Paphos, Cyprus. It offers Generative Engine Optimisation to get brands cited, r...

Climbing Trees

Climbing Trees

Digital Marketing Agency We’re a proactive team supporting continuous business growth. As business and life hopefully returns to normal, a friendly face ...

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How we checked

We opened each agency’s own website and kept it only if the site was live, offered this service and showed a team or office in the UK. Agencies do not pay to appear here.

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Frequently asked questions

How many SEO agencies in the UK are listed on DMS?
207 as of October 2026. This page shows the 18 we checked by hand. Agencies can add or update a profile for free on List Your Agency.
How long does SEO take?
It depends on your site, competition and budget. Ask each agency for its expected timeframe and how it will report progress, and compare the answers.
Can I hire a UK agency if my business is elsewhere?
Yes. Most of this work is done remotely. Agree time zones, contract terms and which country’s law applies before you start.
How are the agencies on this page chosen?
We pick agencies whose own websites show they offer this service and work in this country. Listings are free.

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