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.
- 535 UK agencies offering seo
- Across 42 UK locations
- Reviewed 17 May 2026

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

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 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

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 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, 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

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

ECA South, a premier digital marketing agency located in Highcliffe, Dorset, provides comprehensive services to clients across the South of England and throughout the UK, particularly in Bournemouth, Christchurch, and Poole areas. What distinguishes ECA South is our dedication to immersing ourselves in our clients' businesses, enabling us to design customised marketing strategies that are not only

Clubbish, a leading marketing consultancy firm situated in Birmingham, UK, distinguishes itself with its data-driven approach. Harnessing the power of cutting-edge technologies such as AI and machine learning, Clubbish tailors precision-targeted marketing strategies across Google Ads, SEO, and Microsoft Ads campaigns. This results in enhanced return on advertising investment and diminished cost pe

Established in 2010, Zephi is a leading digital marketing agency based in Rugeley, Staffordshire. Specialising in web and graphic design, marketing solutions, and managed hosting services, Zephi has carved a niche for itself in the UK's intricate digital landscape. Over the years, our partnership with diverse businesses and organisations across the UK and globally, has allowed us to craft bespoke

Bigg Ltd. stands as an innovative digital marketing firm hailing from Bristol, UK. Our unique selling point is our commitment to results-oriented strategies, applying data-backed tactics to significantly boost client's business expansion and profit margins. Through the application of systematic marketing methods and a wide array of services encompassing paid advertisements, SEO, and content creati

Established in Leeds, Puddle is a prominent digital marketing agency excelling in the eCommerce platform, Shopify, since 2011. As a distinguished Shopify partner, Puddle's prowess lies in crafting high-impact eCommerce websites and unforgettable digital marketing campaigns, all underpinned by a human-centred strategy. Our proficiency extends across strategic branding, web design, and comprehensive

Brand42, a London-based independent design and digital agency, distinguishes itself through its award-winning methodology in providing strategic branding solutions. Specialising in engaging and globally adaptable digital design, Brand42 is renowned for its unique approach. The innovative one-team strategy employed by the agency successfully bypasses bureaucratic hurdles, thus guaranteeing an exped

Adams Group, a Kent-based, award-winning creative marketing agency, specialises in delivering bespoke digital marketing solutions. Their unique collaborative approach, tailored to the distinct needs of B2B clientele, sets them apart, ensuring optimal results through strong partnerships with client's in-house marketing squads. Leveraging over three decades of industry experience and proficiency acr

Based in London, Odiono is a distinguished digital marketing agency renowned for its proficiency in website development, SEO, PPC, and social media marketing. In a strategic move, Odiono has teamed up with TMH Media, thus forming TMH Digital - a robust entity offering a potent mix of digital and offline media services. This alliance offers a unified approach to marketing, optimising the robust cap

Somnowell Marketing, a digital marketing firm rooted in the UK, excels in the field of healthcare marketing. Distinguished by their profound knowledge of the sleep industry and their unparalleled patient-focused approach, Somnowell Marketing stands out from the crowd. Their heritage as a part of a sleep apnoea medical device producer further enhances their expertise. Harnessing their vast experien

As a leading web design agency headquartered in London, Zebedee is the trusted choice of prominent international brands for the production of visually arresting, high-performance, and sturdy websites. Our clients have the flexibility to choose from our bespoke services or entrust the full process to Zebedee - encompassing everything from web strategy and design, to hosting and continuous support.

Beyond Marketing, a Cardiff-based strategic marketing agency, distinguishes itself through its dedication to developing purpose-driven marketing strategies. These strategies unearth unseen challenges and foster authentic relationships, guaranteeing sustainable growth and beneficial outcomes for our clients. Our offerings encompass strategic insights, persuasive communication, and the inclusion of

Square Balloon, strategically located in London, UK, is a distinguished agency specialising in branding, marketing, and digital solutions. The unique factor that differentiates Square Balloon is their holistic approach to business enhancement, which involves offering bespoke design, technology, and marketing services, seamlessly integrated to boost business expansion and productivity. The agency i

Design Culture, a renowned digital agency in London, excels in crafting customised web platforms, e-commerce solutions and digital services for organisations with a noble cause. Our unique selling proposition lies in our unwavering dedication towards elevating brand comprehension and simplicity, whilst fuelling conversions. We ensure that digital journeys undertaken by users not only impact their

Unbranded Digital, a Bradford-based, data-centric marketing agency, specialises in formulating customised digital strategies and website designs, each uniquely crafted to align with the distinct requirements of their clients. Their commitment to fostering considerable growth in user engagement and conversion rates sets them apart in the digital landscape. With their pioneering approach of integrat

Based in London, SEOtagg is a dedicated SEO agency specialising in providing potent SEO strategies for B2B enterprises. The brand distinguishes itself through its inventive Quantum SEO methodology, offering comprehensive analysis, anticipatory adjustments and all-encompassing integration to enhance all facets of a client's digital presence for superior performance. Utilising advanced machine learn

Based in Oxford, UK, Blue Snapper is a seasoned eCommerce and digital marketing consultancy with over two decades of industry experience. Renowned for their comprehensive, advisory-led strategy, they delve into the depths of their clients' businesses, creating customised digital marketing tactics that yield significant returns. As specialists in diverse services such as SEO, PPC, Klaviyo marketing

Maximizon, a comprehensive digital marketing agency situated in the UK, distinguishes itself through its committed in-house team of specialists. These experts excel in crafting enthralling brands and websites, as well as delivering potent social media marketing and PPC strategies, bespoke for a wide array of global sectors. Further, Maximizon provides enduring organic SEO services, bespoke web dev
Boutique / freelance £500-3,000 · Mid-market £1,500-7,500 · Network £7,500-20,000+. One-off audits £1,500-10,000.
1-3mo technical foundations · 3-6mo ranking and traffic gains · 6-12mo+ revenue compounding.
- · 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
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