826 agencies indexed·Latest entry: 3 June 2026
Service · 481 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
  • 481 UK agencies offering seo
  • Across 35 UK locations
  • Reviewed 17 May 2026
Showing 121-144 of 481 seo agenciesView in full archive
Created by Arc logo
Created by Arc
Independent·Bournemouth·2-10 Employees

Arc, an inventive design studio nestled on England's southern shores, distinguishes itself through its team of innovative digital and creative savants. They excel in crafting compelling websites, invigorating designs, and bespoke marketing strategies to boost brand prosperity. Showcasing a diverse portfolio, Arc's past endeavours encompass editorial website creation for visual effects studios and

Mamba Marketing logo
Mamba Marketing
Independent·Cardiff·11-50 Employees

Mamba Marketing, a UK-based, award-winning full-service marketing agency, boasts additional branches in Dubai and the US. Distinguished by an extensive suite of services, Mamba Marketing specialises in B2C and B2B solutions, e-commerce strategies, lead generation, and content initiatives, all tailored to drive short-term victories and sustainable brand expansion. The agency's unique selling propos

SEO & Web logo
SEO & Web
Specialist·Essex·2-10 Employees

SEO & Web, a distinguished digital marketing firm in Essex, is acclaimed for its consistent success across diverse sectors. The agency's unique selling point is its well-rounded array of digital offerings, encompassing innovative website design, focused SEO, PPC, and digital PR initiatives, all customised to boost the online visibility of clients and generate concrete outcomes. Boasting two decade

Lowaire logo
Lowaire
Independent·Leicester·2-10 Employees

Situated in Leicester, UK, Lowaire is a leading digital marketing firm offering a comprehensive range of services. These include search engine optimisation (SEO), pay-per-click (PPC) advertising, and web development, all designed to enhance online presence and propel business expansion. The integration of data-informed strategies and an unwavering commitment to delivering measurable outcomes disti

Odyssey logo
Odyssey
Independent·Cardiff·2-10 Employees

Focusing on several crucial aspects, Odyssey specialises in: - Driving a significant increase in sales via your website - Bolstering customer loyalty on your online platform - Escalating user interaction - Streamlining website functionality and navigability - Enhancing the total user experience on your site - Integrating your brand seamlessly into your digital footprint - Overseeing website

Coda logo
Coda
Independent·Bournemouth·11-50 Employees

Coda, an internationally recognised marketing agency, is strategically rooted in Poole, Dorset, UK. Specialising in B2B industrial marketing, Coda is particularly reputed for its prowess in creating lead-generation content and campaigns for clients within the process, monitoring, and manufacturing industries. The unique selling proposition of Coda lies in its capacity to develop culturally signifi

Herron logo
Herron
Independent·Sheffield·11-50 Employees

Herron is a Sheffield-based creative agency in the United Kingdom, renowned for empowering brands through genuine brand narratives, standout brand identities, compelling campaigns, and immersive digital experiences. Our unique methodology at Herron involves an in-depth partnership with clients, crafting bespoke strategies and solutions that engage target audiences, resulting in heightened interact

Atomic Leap logo
Atomic Leap
Independent·Bristol·11-50 Employees

Atomic Leap, a Bristol-based scientific performance marketing firm, stands out with its distinctive approach, assuring a minimum 30% performance uplift within half a year via strategic digital marketing initiatives and consistent A/B testing. Leveraging more than a decade of industry expertise, they excel in crafting customised marketing strategies, designed to maximise growth, strategic positioni

Newton Day logo
Newton Day
Independent·London·51-200 Employees

Newton Day, a distinguished technology consultation firm stationed in London, specialises in delivering business strategies that spark transformation and significantly bolster brand equity. Their revolutionary approach enables clients to outstrip their competitors. Renowned for spearheading circular marketing, Newton Day emphasises fostering authentic relationships with relevant communities, under

Effra Digital logo
Effra Digital
Independent·London·2-10 Employees

Effra, a London-based web design and build agency, specialises in crafting highly functional, CMS-integrated, and mobile-optimised websites customised for start-ups, charities, and SMEs. With over three decades of industry experience, Effra sets itself apart with its transparent, agile methodology and dedication to user-centric design. This ensures not only efficient but also future-ready digital

Radiator Digital logo
Radiator Digital
Independent·Glasgow·11-50 Employees

Radiator Digital is a leading digital agency situated in Glasgow, excelling in areas such as web design, digital marketing, eCommerce, and brand evolution. This agency stands out due to its dedication towards creating absorbing user journeys and transforming online engagements into steadfast customer relations. This is made possible through a strategic methodology that commences with comprehensive

Sixtwo Agency logo
Sixtwo Agency
Independent·London·2-10 Employees

Sixtwo, a London-based website design agency, distinguishes itself through its dedication to crafting unique, compelling websites that instigate dialogue and nurture relationships. The emphasis they place on client-centric experiences promises an enjoyable and immersive design journey. Their comprehensive, customised solutions extend from digital consulting and UX strategy to tailor-made website a

DexCloud logo
DexCloud
Independent·Manchester·2-10 Employees

Based in Blackburn, Lancashire, DexCloud is a distinguished digital agency recognised for its proficiency in crafting bespoke digital strategies. Our broad spectrum of services encompasses web development, UX/UI design, software creation, digital marketing, and brand identity development. DexCloud sets the bar high with its unique methodology, taking on the technical burden to allow clients to con

Discovery logo
Discovery
Independent·Leeds·2-10 Employees

Discovery Agency, a premier digital marketing firm located in Batley, West Yorkshire, specialises in devising bespoke, data-backed strategies that align with each client's distinct requirements and objectives. Our comprehensive portfolio of services encompasses SEO, PPC, social media management, branding, and website development. As a collaborative partner, we take pride in generating tangible out

Hello Online logo
Hello Online
Independent·Nottingham·2-10 Employees

Hello Online, a Nottingham-based digital agency, specialises in customised web design, development, and marketing solutions. Our brand stands out for its dedication to innovation and tailor-made services, guaranteeing every website is distinctively designed to match our client's specific business requirements. Possessing in-depth knowledge in SEO and PPC advertising, Hello Online propels businesse

The Dux Digital logo
The Dux Digital
Independent·Essex·2-10 Employees

Dux Digital, a Brentwood, Essex-based digital strategy agency, excels in meticulously crafting bespoke digital strategies that seamlessly blend website optimisation, brand enhancement, social media handling, and online advertising. Our mission is to empower businesses by unlocking their digital potential. Our versatility is reflected in our commitment to creating robust partnerships across a diver

Navigator International logo
Navigator International
Independent·London·11-50 Employees

Based in London, UK, Navigator International is a distinguished digital marketing and storytelling agency. Our unique approach fuses captivating narrative techniques with data-led insights, providing a total 360-degree solution that flawlessly syncs across all digital platforms. Our services are designed to fulfil immediate business requirements while also focusing on enduring brand objectives. We

The Snap Agency logo
The Snap Agency
Independent·Manchester·2-10 Employees

Snap Agency is a Warrington-based, brand-centric web design firm known for its seamless fusion of imaginative design and technical proficiency. This innovative agency specialises in crafting engaging websites and comprehensive digital SEO strategies, resulting in a significant increase in both user engagement and revenue. Their emphasis on insight, strategic planning, and a unified brand visual id

Codesky. logo
Codesky.
Independent·Nottingham·2-10 Employees

Codesky is a UK-based web development agency, renowned for bolstering growth in small to medium-sized enterprises. Their unique proposition lies in crafting bespoke web solutions, helping businesses shine in their respective industries. They offer a variety of services, including state-of-the-art website design, digital marketing strategies, and comprehensive managed hosting, all with a keen empha

Mediabox Productions logo
Mediabox Productions
Independent·Nottingham·2-10 Employees

As a leading video production company in Nottingham, Mediabox Productions offers comprehensive services with over two decades of expert experience. Our specialities span professional video creation, editing, animation, and training, delivering creative and customised solutions for businesses across varied sizes and sectors within the UK. What truly distinguishes Mediabox Productions is our steadfa

Clickzilla logo
Clickzilla
Independent·Newcastle·2-10 Employees

Clickzilla is a bespoke digital marketing agency headquartered in the UK, providing tailor-made online solutions for businesses aiming to amplify their digital footprint through evidence-based strategies. Distinguishing Clickzilla is its exhaustive array of services, encompassing SEO, link building, digital PR, PPC, email marketing, content creation, and beyond, all customised to align with the di

Unbranded Manchester logo
Unbranded Manchester
Independent·Manchester·11-50 Employees

UNBRANDED, a Manchester-based digital agency, excels in strategic business growth solutions. By leveraging data-led insights, pioneering R&D strategies, and user-centric designs, the agency distinguishes itself in the digital landscape. UNBRANDED's holistic methodology encompasses the process from discovery to design, development, and deployment of bespoke solutions, all aimed at bolstering busine

77 Jakala logo
77 Jakala
Network·London·1000+ Employees

77Agency is a leading digital marketing firm, situated in an undisclosed locale, renowned for its innovative 360° digital marketing strategy. Our comprehensive suite of services includes integrated digital campaigns, creative and media strategies, and website development. We pride ourselves on our localised approach and inventive campaigns. Over the years, 77Agency has partnered with esteemed bran

Volume Marketing logo
Volume Marketing
Independent·Manchester·2-10 Employees

Volume Marketing, a premier digital marketing agency in Manchester, stands out with a complete suite of digital marketing solutions. We specialise in SEO, PPC, social media management, and bespoke content creation, each service uniquely designed to achieve our clients' distinct objectives. Volume Marketing takes pride in our all-inclusive approach, utilising professional expertise, state-of-the-ar

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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.