Top 30 London SEO Agencies
The Best of February 2026Looking for a top SEO firm in London?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London SEO Firms
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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91$5,000+10 - 49 employeesCovent Garden, EnglandRead More
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.
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Foreign & Commonwealth OfficeIndustries
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92$10,000+10 - 49 employeesLondon, EnglandResonance is a public relations agency launched in 2011. Their small team is in London, United Kingdom and focuses on public relations, content marketing, email marketing, event marketing & planning, and more.Read More
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93$1,000+10 - 49 employeesLondon, EnglandEstablished in 2006, Cefar is a small web design agency. Their team focuses on Web Design, Branding, Search Engine Optimization, UX/UI Design, and more. The agency is based in Leeds , England and London, England.Read More
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Hillsborough Fencing Ginetta NHS Springfield TrainingIndustries
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94$5,000+10 - 49 employeesLondon, EnglandRead More
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.
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DD Frames LTDIndustries
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95$10,000+10 - 49 employeesLondon, EnglandID Studio Web Design is a web design company. The small London, England-based team focuses on Web Design, Web Development, Search Engine Optimization, Mobile App Development, and more. The company was launched in 2019.Read More
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MetaIndustries
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96$5,000+2 - 9 employeesFeltham, EnglandRead 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.
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MYA CollectionsIndustries
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97$1,000+50 - 249 employeesLondon, EnglandBased in London, England, Codener is a SEO company. The midsize team provides Search Engine Optimization, UX/UI Design, Mobile App Development, E-Commerce Development, and more. The firm was founded in 2019.Read More
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Lezzat LTDIndustries
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98$5,000+10 - 49 employeesLondon, EnglandRead More
Hydra Creative is a digital solutions agency based in Sheffield, UK, with an office in London. The agency, founded in 2009, is a team of less than 15 who provides marketing and digital strategy, content marketing, SEO, and PPC services to various businesses.
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William Cook GroupIndustries
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99$5,000+10 - 49 employeesLondon, EnglandClimbing Trees is an Earls Colne, England-based pay per click agency. They focus on Pay Per Click, Search Engine Optimization, Digital Strategy, Social Media Marketing, and more and were founded in 2010.Read More
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100$25,000+10 - 49 employeesLondon, EnglandBased in Maidstone, England and London, England, Reflect Digital is a SEO company. The agency offers Search Engine Optimization, Pay Per Click, Digital Strategy, Web Development, and more and is small.The agency was launched in 2011.Read More
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101Undisclosed10 - 49 employeesLondon, EnglandRead More
We Are Shello is a London, United Kingdom-based SEO agency. The small team focuses on search engine optimization and content marketing and was established in 2009.
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102$1,000+2 - 9 employeesLondon, EnglandRead More
Established in 2021, Fractional Teams is a social media marketing agency. The small London, United Kingdom-based team offers social media marketing, content marketing, email marketing, conversion optimization, and more.
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Cavell GroupIndustries
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103Undisclosed2 - 9 employeesSurbiton, EnglandTrade and Lateral Development Ltd is a SEO services firm. The small Surbiton, England-based agency was established in 2000. Their team focuses on Search Engine Optimization, Digital Strategy, and Web Design.Read More
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104$1,000+10 - 49 employeesKent, EnglandCritical Mission Computing Ltd, a software development company, was launched in 1999. The small Kent, England-based team offers Custom Software Development, E-Commerce Development, Web Design, Artificial Intelligence, and more.Read More
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First Way ForwardIndustries
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105$1,000+2 - 9 employeesLondon, EnglandRead More
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.
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Business Design CentreIndustries
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106$5,000+10 - 49 employeesLondon, EnglandRead More
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.
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Ibercanem LondonIndustries
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107$10,000+10 - 49 employeesLondon, EnglandRead More
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.
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EverlineIndustries
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108$1,000+10 - 49 employeesLondon, EnglandCynosure Designs is a web development company in London, United Kingdom. The company specializes in web development, branding, digital strategy, social media marketing, and more and has a small team.The company was founded in 2005.Read More
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Continental Tires -
109$1,000+50 - 249 employeesLondon, EnglandTask Virtual is a SEO company. The midsize Kolkata, India-based firm was founded in 2016. Their services include Search Engine Optimization, Back Office Outsourcing, Social Media Marketing, Content Marketing, and more.Read More
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110$1,000+2 - 9 employeesLondon, EnglandRead More
Grapefruit Digital SEO is a marketing agency founded in 2014 and based in London. Their team of more than two provides SEO solutions for small businesses.
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SideDish Media LtdIndustries
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111$1,000+10 - 49 employeesLondon, EnglandSocial media marketing agency The Good Marketer is based in London, England. The small team offers Social Media Marketing, Pay Per Click, Search Engine Optimization, and Content Marketing and was launched in 2017.Read More
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EasilocksIndustries
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112$100,000+250 - 999 employeesLondon, EnglandIQuanti, Inc., a Digital Strategy company, was established in 2008. Located in Jersey City, New Jersey; Bengaluru, India; Oakville, Canada and London, England, their midsize team focuses on Digital Strategy, Search Engine Optimization, Content Marketing, Conversion Optimization, and more.Read More
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113Undisclosed10 - 49 employeesLondon, EnglandRead More
NOVOS is an e-commerce agency based in London and founded in 2018. With over 10 employees, they offer SEO, PR, and content marketing solutions to small and mid-market firms in the field of e-commerce.
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AntlerIndustries
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114$5,000+2 - 9 employeesLondon, EnglandRead More
Founded in 2018, Elevate Digital is a marketing and SEO agency based in London. They primarily work with small businesses in a variety of industries. Their team also provides web design services for WordPress websites.
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IikoIndustries
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115$5,000+2 - 9 employeesLondon, EnglandRead More
Webdesign7 is a digital marketing agency based in London. Founded in 2011, their team of 8 specializes in web development and design, mobile app development, and digital strategy. The industries they focus on are advertising and marketing, consumer products and services, arts, entertainment and music.
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Turkey HomesIndustries
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116$1,000+10 - 49 employeesLondon, EnglandRead More
Launched in 2022, Elixir Digital is a branding company. They are based in London, United Kingdom and Chicago, Illinois and have a small team. The agency offers branding, public relations, social media marketing, content marketing, and more.
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117$1,000+2 - 9 employeesLondon, EnglandRead More
Market Jar is a digital marketing and design agency that was founded in 2017 and is based in London. Their team of 3 employees specializes in SEO, advertising, and email marketing for primarily small business clients in the consumer products, retail, and e-commerce industries.
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118$1,000+10 - 49 employeesLondon, EnglandSEO company CamRojud is located in London, England; Chicago, Illinois and Lagos, Nigeria. They specialize in Search Engine Optimization, Social Media Marketing, Pay Per Click, Content Marketing, and more and were founded in 2021.Read More
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119$5,000+2 - 9 employeesLondon, EnglandOtter Labs is a branding company. Their small team is in London, England. The company focuses on Branding, Digital Strategy, Social Media Marketing, Content Marketing, and more.Read More
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ToyotaIndustries
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120$5,000+2 - 9 employeesLondon, EnglandBE VISIBLE is a small SEO company. Founded in 2025, the firm is headquartered in London, England; Calbayog, Philippines and Oostende, Belgium. Their services include Search Engine Optimization and Pay Per Click.Read More
Industries
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