832 agencies indexed·Latest entry: 15 June 2026
Service · 484 agencies

SEO agencies.

SEO is the discipline of earning the right traffic from Google for free, plus - increasingly in 2026 - being chosen, cited, and summarised by AI answer engines like ChatGPT, Perplexity, and Google's AI Overviews. Done well it compounds. Done poorly it's expensive theatre.

At a glance
  • 484 UK agencies offering seo
  • Across 35 UK locations
  • Reviewed 17 May 2026
Showing 289-312 of 484 seo agenciesView in full archive
Muve Media & Marketing logo
Muve Media & Marketing
Independent·Kent·2-10 Employees

Muve, a Kent-based marketing agency, excels in redefining marketing communications with innovative strategies and teamwork. Its distinctive approach lies in its dedication to creating campaigns that balance creative flair with cost-effectiveness, breathing fresh enthusiasm, profound understanding, and forward-thinking concepts into marketing ventures. The agency's versatile nature is mirrored in i

Diony logo
Diony
Independent·Leeds·11-50 Employees

Diony, based in Hull, is a fully-fledged performance marketing agency renowned for its search-first marketing strategy. Our services span across SEO, PPC, social media, eCommerce, and imaginative solutions, all designed to propel brand expansion. Employing a unique blend of expert talent, innovative technology, and a vibrant culture, Diony is dedicated to crafting and executing influential concept

Gavin Willis Creative Marketing logo
Gavin Willis Creative Marketing
Independent·Northampton·2-10 Employees

Gavin Willis Creative Marketing (GWCM) is a prominent digital marketing and web design agency rooted in Northampton and Shoreditch, London. With an impressive track record of 28 years, GWCM is renowned for its strategic prowess and extensive service range, encompassing branding, digital marketing, video production, and WordPress support services. These services are instrumental in elevating brand

KINESSO logo
KINESSO
Network·London·501-1000 Employees

As a leading agency based in London, KINESSO provides innovative, technology-driven performance marketing solutions designed to achieve tangible business results. Our core services encompass Consulting, Data & Tech, Media, Experience, and Content. We leverage advanced automation, AI capabilities, and first-party data to enhance and optimise the connection between brands and their target audiences.

Sweans logo
Sweans
Independent·London·51-200 Employees

Situated in the heart of London, Sweans proudly positions itself as a premier web design and eCommerce agency, celebrating over 16 years of industry expertise. Specialising in WordPress, Shopify, and bespoke eCommerce solutions, Sweans is committed to elevating Direct-to-Consumer (D2C) brands. With a global portfolio of more than 3,000 fulfilled clients, Sweans takes immense pride in delivering cu

Digithrive for Schools logo
Digithrive for Schools
Specialist·London·11-50 Employees

Digithrive for Schools, a premier digital and creative agency headquartered in London, delivers bespoke marketing solutions specifically for independent schools. This agency, as a subsidiary of Zest Media Group, harnesses a robust database of over 100,000 contacts and collaborates with prominent digital platforms such as Facebook and Google for crafting high-impact school marketing campaigns. The

It Works Media logo
It Works Media
Independent·Leeds·2-10 Employees

It Works Media, a Leeds-based SEO agency, is renowned for delivering potent outcomes in the realm of search marketing. The distinctive edge of It Works Media lies in their bespoke approach to diverse marketing services such as Digital PR, SEO, and content marketing. Each strategy is meticulously crafted to align with the specific requirements and objectives of every brand, thereby guaranteeing opt

Barracuda Digital logo
Barracuda Digital
Independent·London·11-50 Employees

Barracuda, a prominent digital marketing firm in London, UK, stands out due to its recognised skillset and inventive commercial creativity. It specialises in driving transformative results for its clients through a blend of expert knowledge, extensive experience, and pioneering methods. Barracuda provides an array of services encompassing SEO, paid media, user testing, CRO, analytics and tracking,

LoudLocal logo
LoudLocal
Independent·London·2-10 Employees

LoudLocal, a reputable digital marketing agency headquartered in Kenilworth, Warwickshire, boasts a secondary office in London. Specialising in delivering clear, straightforward digital marketing solutions, this agency is dedicated to addressing the unique requirements of small to medium-sized businesses at a local and global level. With an ethos centred around flexibility, LoudLocal shuns the con

We Are Marketable logo
We Are Marketable
Independent·Nottingham·2-10 Employees

We Are Marketable, a Nottingham-based digital marketing agency specialising in lead generation, is distinguished by its commitment to producing tangible results. Our unique approach involves customising digital marketing strategies to meet individual client requirements, facilitating increased leads and sales without resorting to gimmicks. Boasting over 15 years of industry experience and advocati

Barques logo
Barques
Independent·Birmingham·11-50 Employees

Barques is a Birmingham-based creative agency, specialising in producing compelling communications that stimulate growth for brands, irrespective of their scale. Barques stands out due to their cooperative methodology, amalgamating state-of-the-art design with pioneering technology to craft tangible assets that engage audiences on diverse platforms. Their internal team comprises designers, develop

Axonn Media logo
Axonn Media
Independent·London·2-10 Employees

Axonn is a premier digital marketing agency headquartered in London, renowned for its unique integration of cutting-edge technology and a keen focus on emotional connectivity. This distinctive approach places personal touch at the heart of all their campaigns and client relationships. Their all-encompassing services range from strategic planning, content production, campaign execution, to insightf

Dandy Marketing logo
Dandy Marketing
Independent·London·2-10 Employees

Dandy Marketing is a London-based digital marketing firm, renowned for its expertise in catering to SMEs. Setting Dandy Marketing apart is their unwavering dedication to innovation and transparency, providing unrestricted services devoid of binding contracts, whilst focusing on strategies that are not only cost-effective but yield substantial results. They are masters of augmenting their clients'

WCS Agency logo
WCS Agency
Independent·Cardiff·2-10 Employees

WCS Agency, a dynamic marketing and PR firm located in Cardiff, embodies the fusion of creativity and strategy, deeply rooted in Welsh heritage yet extending its influence globally. This agency distinguishes itself with a steadfast team of professionals, leveraging cutting-edge tools to deliver targeted, strategic, and impactful marketing outcomes. WCS Agency's commitment goes beyond superficial m

Growthack logo
Growthack
Independent·Nottingham·2-10 Employees

Growthack Ltd, a renowned digital growth consultancy in Nottingham, excels in providing bespoke technical solutions. Our award-winning team specialises in enhancing the digital presence of diverse local and global brands, including those in the SaaS, fintech, and retail sectors. Leveraging platforms such as WordPress and Shopify, we offer a comprehensive suite of services - from SEO to user experi

Eleven Marketing & Communications logo
Eleven Marketing & Communications
Independent·Chester·11-50 Employees

As a leading UK-based strategic creative agency, Eleven excels in crafting engaging brands, campaigns, and content for non-profit organisations. Through our unique Whole Picture Thinking™ framework, we adopt an innovative and disciplined approach to every project. This allows us to deliver remarkable value to our clientele. By prioritising strategic creativity, Eleven has successfully spearheaded

Zest Digital logo
Zest Digital
Independent·Oxford·11-50 Employees

As a top-tier growth marketing agency, Zest Digital proudly holds numerous accolades and operates from various locations including Oxford, Bristol, Birmingham, London, New York, and Amsterdam. Known for our comprehensive and scalable growth marketing strategies, we specialise in an array of services including PPC, SEO, content creation and more. Our signature products, the Growth Engine and Growth

Upperdog logo
Upperdog
Independent·Bournemouth·11-50 Employees

Upperdog is a UK-based, data-driven digital marketing firm. This agency differentiates itself through its all-inclusive digital marketing strategy, providing services encompassing website development, PPC initiatives, social media promotions, and SEO, all purposefully crafted to deliver measurable outcomes for its clients. Upperdog takes great pride in its cooperative and open communication, prefe

Optimia logo
Optimia
Independent·Nottingham·11-50 Employees

Based in Lincoln, UK, Optima stands out as a multidisciplinary digital marketing, web development, and graphic design agency. Specialising in a strategic fusion of brand and campaign strategy, graphic design, UX design, website development, and digital marketing, Optima provides a compelling blend of expertise in project management and planning. This blend creates impactful brand experiences that

Novus Digital logo
Novus Digital
Independent·Northampton·2-10 Employees

Novus, an ROI-driven SEO agency situated in Northampton, is distinguished by its unwavering dedication to transparency and measurable outcomes. Prioritising return on investment and commercially viable strategies, Novus generates leads and sales without resorting to the use of technical jargon. Our comprehensive approach encompasses technical SEO, creative content production, strategic link buildi

Strategy Plus logo
Strategy Plus
Independent·Birmingham·2-10 Employees

**A Heritage-Rich Agency with Core Values** Strategy Plus stands as a tightly-knit consortium of seasoned professionals, bound by our pledge to prioritise our clients' ROI over convoluted metrics. Our mission is to catalyse sustainable growth for the long haul while cultivating lasting partnerships. Since our inception in 1997, Strategy Plus has provided instrumental support in the growth trajec

Ascensor logo
Ascensor
Independent·Leeds·11-50 Employees

Since 2007, Ascensor has been at the forefront of website development and promotion, relishing in collaborations with businesses across the spectrum - from burgeoning start-ups to multi-million turnover global firms, and every tier in between. Ascensor thrives in the dynamic digital landscape, playing a crucial role in driving client success as the industry perpetually evolves. Creativity forms

Zenith logo
Zenith
Network·London·1000+ Employees

Zenith is a London-based agency providing a robust array of advertising and marketing solutions. As an integral part of our services, we specialise in media planning and procurement, online marketing, and data analytics, all designed to enhance brand communication strategies. Our distinctive advantage at Zenith is our dedication to utilising data-led insights to craft innovative and high-impact ma

Pixen logo
Pixen
Independent·London·2-10 Employees

Pixen is a premier digital marketing agency with bases in London and the South Coast. Our forte lies in custom web design, digital marketing, and search engine optimisation, delivering personalised strategies that amplify brand visibility and maximise performance for a broad range of businesses. Distinctively, Pixen champions eco-friendly hosting solutions, harnessing renewable energy to lessen en

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Editor's note
The UK has roughly 476 agencies that put SEO at the top of their service list. They split into three buckets: boutique consultants and small specialist shops charging £500-3,000 a month; mid-market agencies running fuller programmes at £1,500-7,500; and network or holding-group agencies billing £7,500-20,000 and up for enterprise work. In 2026 the discipline has expanded. Traditional ranking optimisation still matters - Google Search Central is clear that crawlability, helpful content, and trust signals carry the same weight as they always did. But visibility now also means being cited in AI Overviews and surfaced by ChatGPT and Perplexity. Most credible UK agencies are quietly absorbing this as Generative Engine Optimization (GEO) without making it a separate service line. A few are loud about it. Watch for which.
Typical cost
£500-20,000+
per month, retainer

Boutique / freelance £500-3,000 · Mid-market £1,500-7,500 · Network £7,500-20,000+. One-off audits £1,500-10,000.

Realistic timeline
3-12 months
to compounding results

1-3mo technical foundations · 3-6mo ranking and traffic gains · 6-12mo+ revenue compounding.

Red flags
5 to watch
in any pitch
  • · Guaranteed rankings or 'top 3 in 30 days' promises
  • · Pure performance-based pricing (misaligns incentives)
  • · Aggressive link building or 'private networks' (PBNs)
  • · Vague reporting that won't connect to revenue
  • · No request for Search Console + analytics access
Frequently asked

What brands ask about seo agencies.

5 questions our editors get most often, answered honestly. No agency-marketing speak.

Curated by humans

UK SEO retainers in 2026 split into three tiers: boutique consultants and small specialist shops run £500-3,000 a month, mid-market agencies £1,500-7,500, and network or holding-group shops £7,500-20,000+. One-off audits land between £1,500 and £10,000 depending on site complexity. Pure performance-based pricing exists but tends to misalign incentives - Google Search Central itself warns against providers leaning on guarantees rather than process.