Top 30 SEO Agencies in the UK
The Best of March 2026Looking for a top SEO firm in the United Kingdom?
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 United Kingdom. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best United Kingdom 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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3241$1,000+2 - 9 employeesHolsworthy, EnglandAyla Digital, a web design company, is in Holsworthy, England. They offer Web Design and Web Development.Read More
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3242$1,000+2 - 9 employeesManchester, EnglandIdea Seaker Ltd is a Digital Strategy company. The Manchester, England-based agency was launched in 2025. Their team specializes in Digital Strategy and Social Media Marketing.Read More
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3243$1,000+2 - 9 employeesEdinburgh, ScotlandDigital Riser is an Edinburgh, Scotland-based social media marketing company. The team provides Social Media Marketing and Digital Strategy.Read More
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3244$1,000+2 - 9 employeesLondon, EnglandBlue Verge Digital Ltd is an Email Marketing company. The London, England-based company was established in 2024. Their services include Email Marketing and Search Engine Optimization.Read More
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3245Undisclosed2 - 9 employeesPenarth, WalesOn Deck Consultancy is a branding agency. They were founded in 2025, and their services include Branding and Sports Marketing.Read More
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3246$1,000+2 - 9 employeesBurton Joyce, EnglandInnovate 24-7 is a small AI Consulting company based in Burton Joyce, England. Their services include AI Consulting and Artificial Intelligence.Read More
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3247Undisclosed2 - 9 employeesLeeds, EnglandSCALE IT UK LTD is a web design agency. Their team is located in Leeds, England and offers Web Design and Social Media Marketing.Read More
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3248$5,000+2 - 9 employeesLondon, EnglandDentify Digital, a small Advertising company, is in London, England. The team focuses on Advertising and Branding.Read More
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3249Undisclosed2 - 9 employeesParkgate, EnglandCollingsmith & Co is a small Advertising company founded in 2025. Their team offers Advertising and Marketing Strategy.Read More
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3250Undisclosed2 - 9 employeesSunninghill, EnglandFounded in 2018, SumFactors is a Digital Strategy company. The team specializes in Digital Strategy and Social Media Marketing.Read More
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3251$10,000+10 - 49 employeesCole Green, EnglandIThinkMedia is a small Cole Green, England-based SEO services firm. Their services include Search Engine Optimization and Marketing Strategy.Read More
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3252$10,000+10 - 49 employeesBrighton and Hove , EnglandSketch Events, a small SEO services firm, is based in Brighton and Hove , England. Their services include Search Engine Optimization and Advertising.Read More
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3253Undisclosed10 - 49 employeesCarlton, England4 All Designs is a web design agency established in 2007. The small team offers Web Design and Search Engine Optimization.Read More
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3254Undisclosed10 - 49 employeesNottingham, EnglandNotts Websites is a web design agency. They are headquartered in Nottingham, England and have small team of experts. Their services include Web Design and Search Engine Optimization.Read More
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3255Undisclosed10 - 49 employeesSheffield, EnglandSmall SEO company Quadd, is located in Sheffield, England. Their services include Search Engine Optimization and Email Marketing.Read More
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3256Undisclosed10 - 49 employeesNottingham, EnglandFishpool Marketing is a small Nottingham, England-based SEO agency. The team specializes in Search Engine Optimization and Branding.Read More
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3257Undisclosed10 - 49 employeesBristol, EnglandIBT Online, a SEO services firm, is headquartered in Fort Lauderdale, Florida and Bristol, England. They provide Search Engine Optimization and Ecommerce Marketing.Read More
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3258$5,000+Freelancer employeesAlsager, EnglandLuke Stonier is a software development firm founded in 2020. The agency specializes in Custom Software Development and Search Engine Optimization.Read More
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3259$1,000+Freelancer employeesHighworth, EnglandBacon Marketing, a Digital Strategy company, is located in Highworth, England. They focus on Digital Strategy and Marketing Strategy and were established in 2020.Read More
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3260$1,000+Freelancer employeesHaywards Heath, EnglandProzack is a Digital Strategy company. In Haywards Heath, England, the agency was established in 2017. Their services include Digital Strategy and Advertising.Read More
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3261$250,000+Freelancer employeesAtherton, EnglandStes Digital Marketing is a small Content Marketing company. They focus on Content Marketing and Digital Strategy and were founded in 2020.Read More
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3262$1,000+Freelancer employeesLondon, EnglandLaunched in 2012, Fluential Media is a web design company. The team offers Web Design and Web Development.Read More
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3263UndisclosedFreelancer employeesAlmondsbury, EnglandBased in Almondsbury, England, Acer Digital Marketing is a small Email Marketing company. Their services include Email Marketing and Social Media Marketing.Read More
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3264$5,000+Freelancer employeesLondon, EnglandFounded in 2016, iDataHub is a big data analytics company. Based in London, England, the team offers BI & big data consulting & SI and Conversion Optimization.Read More
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3265$1,000+Freelancer employeesLondon, EnglandInsidigital is an Advertising company. Located in London, England, the company was founded in 2021. Their team focuses on Advertising and Branding.Read More
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3266$1,000+Freelancer employeesAshford, EnglandLloyd Bryant Enterprise is an Advertising company. The agency is based in Ashford, England. Their services include Advertising and Branding.Read More
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3267$1,000+Freelancer employeesEpsom, EnglandWeb App Developer is a web design agency. Their small team is in Epsom, England. Their services include Web Design and Web Development.Read More
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3268UndisclosedFreelancer employeesNuneaton, EnglandBailey Business Solutions Ltd is a web design company. They were established in 2022 and offer Web Design and Search Engine Optimization.Read More
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3269UndisclosedFreelancer employeesLondon, EnglandAdvertising company Boost VA was launched in 2020. The company specializes in Advertising and Direct Marketing, and is small.Read More
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3270UndisclosedFreelancer employeesEdgware, EnglandSocial media marketing company Hirnaj is located in Edgware, England. They offer Social Media Marketing and Content Marketing.Read More
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Check out a SEO Company in United Kingdom with the most new reviews in the past 12 months.
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