Top 100 SEO Companies in the United Kingdom

Aqueous Digital is a SEO agency. They specialize in search engine optimization, web design, advertising, ux/ui design, and more and were founded in 2005. Their small team is headquartered in Runcorn , United Kingdom and , United Kingdom.

Why Matters, a SEO agency, was launched in 2014. Headquartered in London, United Kingdom, their small team offers search engine optimization, social media marketing, conversion optimization, pay per click, and more.

Careful Feet Digital Marketing Agency is a digital marketing company based in London. Founded in 2017, their team of three employees provides digital strategy, PPC, and content marketing services.

Kurve is a boutique digital marketing agency based in London. The agency, founded in 2008, has a team of around ten that provides SEO, PPC, social media marketing, content marketing, and CRM consulting & SI services to various companies.

Codener is a software company based in London that was founded in 2016 and currently has more than 50 employees. They provide custom software, web, and e-commerce development solutions to clients ranging from startups to large companies in the fields of e-commerce, advertising, and business services.

Shape The Market is an advertising and marketing agency that has been offering social media marketing, content marketing, and email marketing services to their clients since 2014 . Their 50 employees are based out of their London office.

Founded in 2014, Superb Digital is an SEO agency based in Bristol, United Kingdom. Primarily serving small businesses, their team of fewer than 10 specializes in industries such as consumer products, business services, and retail. Services also include content marketing, PPC, and web design.

Greenlight Digital is a full service digital marketing agency headquartered in London. Founded in 2001, they have a team of about 150 that specialize in SEO, PPC, web design and build, content marketing, social media, conversion optimization and digital strategy.

Vixen Digital is a marketing agency based in Brighton, England with no more than 10 experts. Founded in 2017, they provide digital strategy, PPC, and SEO solutions to small and mid-market firms that work in the fields of business services, e-commerce, and hospitality.

Modo25 Limited is a digital marketing firm based in Leeds, England, and founded in 2019. Their team of no more than 50 provides digital strategy, affiliate marketing, and SEO solutions for small and mid-market businesses alike.

Clickingmad Ltd. is a full service digital agency based in Bridgnorth, England, and founded in 2000. Their team of 4 employees specialize in web design, e-commerce development, and SEO for primarily midmarket clients in the non-profit, business services, and consumer products industries. 

SEOMAKER, a SEO services firm, was launched in 2022. Their small team is based in Wigston, United Kingdom and specializes in search engine optimization.

Digital Litmus is a marketing and digital agency based in London. Founded in 2015, their team of around 10 employees specializes in content marketing, digital strategy, and PPC.

Michael Ryan SEO is a SEO company. They provide search engine optimization, content marketing, conversion optimization, digital strategy, and more and were launched in 2019. The company is based in Aveley, United Kingdom.

Signify Digital Ltd is an online marketing agency founded in 2017 in London. Their team of fewer than 10 employees caters to clients seeking SEO, PPC, social media marketing, and content marketing.

Optimized Pixels is a graphic design company. Founded in 2023, the agency is based in Lancaster, United Kingdom. The small team provides graphic design, video production, video marketing, social media marketing, and more.

A digital marketing firm based in London, ChannelDoubler was founded in 2003. Their team of fewer than 10 specializes in SEO, content marketing, web design, and e-commerce development. They serve small to midmarket businesses in the e-commerce, hospitality, and leisure industries.

Founded in 2016, Digital Web London is a SEO agency. Headquartered in London, United Kingdom, their small team provides search engine optimization, web design, mobile app development, and ux/ui design.

Rocket Website Agency Ltd is a web agency founded in 2019 and based in London. Their team of more than 10 specializes in e-commerce development, web development, and SEO solutions for clients in the field of e-commerce.

Fit Design is a London, Croydon, United Kingdom-based web design agency. Founded in 2012, the small team offers web design, web development, search engine optimization, and ux/ui design.

Web Bureau is a web agency headquartered in Belfast, United Kingdom, with an office in Dublin, Ireland. Since 2005, the company has specialized in web development, pay-per-click, and web design solutions for small and midmarket businesses. They also offer SEO services, focusing on mobile optimization, on-site optimization, and local search, among other methods.

The Brand Tailor Branding Agency is a branding firm. The small Southampton, United Kingdom-based company was founded in 2009. Their services include branding, web design, web development, digital strategy, and more.

Niche Inbound is a content marketing and SEO agency in Chelmsford, United Kingdom. The small agency was launched in 2020. Their team specializes in content marketing and search engine optimization.

Zest Digital Limited is a digital marketing company with offices in Oxford, London, and Birmingham, United Kingdom. The 13-person team’s services include content marketing, digital marketing, PPC, and SEO. Founded in 2010, they work primarily with small and midmarket businesses in the business services, manufacturing, and education industries.

Influx Digital is a small PPC company. They offer pay per click, search engine optimization, social media marketing, web design, and more and were established in 2015. The firm is based in Manchester, United Kingdom.

InfoRox is a web & apps development agency based in Birmingham, U.K. The agency, founded in 2012, has a team of less than ten that provides custom software development, mobile app development, web development, IT managed services, and e-commerce development services. InfoRox serves mid-market and other-sized companies in various industries.

Clubbish is a small social media marketing firm. The Birmingham, United Kingdom-based company was established in 2010. Their team focuses on social media marketing, search engine optimization, pay per click, marketing strategy, and more.

Dark Horse is a small pay per click company. The Altrincham, United Kingdom-based company was launched in 2020. Their services include pay per click, search engine optimization, and social media marketing.

We Are Boutique is a digital strategy company. Founded in 1986, the small agency is in Leeds, United Kingdom. Their team focuses on digital strategy, media planning & buying, and public relations.

Digital glue is a marketing firm based in Birmingham, U.K. They employ their digital marketing, PR, website design, branding, graphic design, and social media skills to maximize ROI for clients. Founded in 2013 and with fewer than 15 employees, they serve business services, IT, and media sectors.