Top 30 SEO Agencies in the UK
The Best of December 2025Looking 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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721$1,000+Freelancer employeesLondon, EnglandKrystian Szastok is a SEO company. Launched in 2007, their team offers Search Engine Optimization.Read More
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722$1,000+2 - 9 employeesManchester, EnglandEvent Marketing company Purple Riot is located in Manchester, England and Manchester, England. The team focuses on Event Marketing and Public Relations.Read More
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723$25,000+2 - 9 employeesHamble-le-Rice, EnglandRead More
The Social Butterflies is a small digital marketing agency headquartered in Southampton, United Kingdom. Founded in 2012, their main focus lines are content marketing, social media marketing, and conversion optimization.
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Bianca MillerIndustries
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724$5,000+10 - 49 employeesLeeds, EnglandFounded in 2010, Spike is a SEO company. The team specializes in Search Engine Optimization and Pay Per Click.Read More
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725$5,000+10 - 49 employeesHarrogate, EnglandZelst Limited is a Content Marketing company. Headquartered in Harrogate, England and Boston, Massachusetts, their small team offers Content Marketing and Pay Per Click. The firm was founded in 2005.Read More
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WhistlIndustries
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726Undisclosed10 - 49 employeesRadlett, EnglandStreamline Metrics is a SEO services firm. Launched in 2008, the firm is headquartered in Richmond, Virginia. The small team provides search engine optimization, conversion optimization, and pay per click.Read More
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727Undisclosed10 - 49 employeesBradford, EnglandWeb Marketo, a SEO agency, was established in 2015. Based in Bradford, England, the team offers Search Engine Optimization and Content Marketing.Read More
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728$1,000+2 - 9 employeesLeicester, EnglandDigirize is a Leicester, England-based SEO company. Launched in 2022, the team provides Search Engine Optimization and Digital Strategy.Read More
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729$1,000+Freelancer employeesWeston-super-Mare, EnglandSEO Lady Nina Payne is a SEO company. The Weston-super-Mare, England-based company provides Search Engine Optimization and Conversion Optimization.Read More
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730$10,000+10 - 49 employeesLondon, EnglandCaliber is a SEO services firm headquartered in London, England and Edinburgh, Scotland. They provide Search Engine Optimization and Content Marketing.Read More
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731$1,000+2 - 9 employeesBlackburn, EnglandInfused Media is a SEO agency. They are headquartered in Blackburn, England, and their services include Search Engine Optimization and Content Marketing.Read More
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732Undisclosed2 - 9 employeesBelfast, Northern IrelandGekkoshot is a SEO company. Their team is located in Belfast, Northern Ireland. The agency provides Search Engine Optimization and Web Design.Read More
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733$1,000+2 - 9 employeesMaidstone, EnglandSimple Advertising is a SEO services firm. Based in Maidstone, England, their small team specializes in Search Engine Optimization and Social Media Marketing. The agency was established in 2017.Read More
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734Undisclosed10 - 49 employeesWarton, EnglandWeb Placements Ltd is a small SEO company and PPC agency launched in 2019. Their services include Search Engine Optimization and Pay Per Click.Read More
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735$5,000+2 - 9 employeesStockton on Tees, EnglandStack Digital Limited is a SEO agency based in Stockton on Tees, England. Their services include Search Engine Optimization and Pay Per Click.Read More
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Vintage FolkIndustries
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736$1,000+2 - 9 employeesPartington, EnglandBased in Partington, England, SEO Devs is a SEO agency. The team offers Search Engine Optimization and Social Media Marketing.Read More
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737Undisclosed2 - 9 employeesLondon, EnglandSEO agency RealtySEO.co is headquartered in London, England. The team provides Search Engine Optimization and Content Marketing.Read More
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738Undisclosed2 - 9 employeesMiddle Row, EnglandBlue Moxie SEO is a SEO services firm launched in 2022. The team focuses on Search Engine Optimization and Social Media Marketing and is based in Middle Row, England.Read More
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739$1,000+2 - 9 employeesBelfast, Northern IrelandSEO agency Clixur is located in Belfast, Northern Ireland. Established in 2021, the team specializes in Search Engine Optimization and Email Marketing.Read More
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740$5,000+2 - 9 employeesManchester, EnglandOptiCause Outsourcing Limited is a small SEO agency established in 2019. Their services include Search Engine Optimization and Marketing Strategy.Read More
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741$1,000+2 - 9 employeesBatley, EnglandInnovapixels is a website development firm. They were launched in 2017, and their services include Web Development and E-Commerce Development.Read More
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742$1,000+Freelancer employeesRhosesmor, WalesHDC Projects Digital Marketing is a SEO company. Founded in 2018, the firm is in Rhosesmor, Wales. Their team specializes in Search Engine Optimization and Digital Strategy.Read More
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743$5,000+2 - 9 employeesNewcastle Upon Tyne, EnglandROAR Digital Marketing is a SEO company. Launched in 2016, the company is in Newcastle Upon Tyne, England. Their services include Search Engine Optimization and Pay Per Click.Read More
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Royal Mail PFS Northumbrian Water Sunderland AFC 3173 GroupIndustries
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744Undisclosed10 - 49 employeescambridge, EnglandGrow Business is an Ecommerce Marketing company. They focus on Ecommerce Marketing and Search Engine Optimization and were founded in 2024.Read More
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745$10,000+2 - 9 employeesLondon, EnglandRead More
Under2 is a web agency based in London with more than two employees. They have provided web design, web development, and conversion optimization solutions since their founding in 2018. They work primarily with clients in the field of financial services.
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MambuIndustries
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746$1,000+10 - 49 employees4 Capricorn Centre, , EnglandLeap Digital is a web design company in 4 Capricorn Centre, , England. They focus on Web Design and Search Engine Optimization and were launched in 2010.Read More
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747$1,000+2 - 9 employeesEastbourne, EnglandBarkWeb is a SEO services firm. The small Eastbourne, England-based team provides Search Engine Optimization and Pay Per Click. The company was established in 2000.Read More
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748$1,000+2 - 9 employeesLytchett Matravers, EnglandAquaSwitch is a SEO company. Their team is located in Lytchett Matravers, England and provides Search Engine Optimization and Pay Per Click.Read More
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749$1,000+2 - 9 employeesLong Ashton, EnglandLocated in Long Ashton, England, Clifton Web Design is a web design agency. The team focuses on Web Design and Search Engine Optimization.Read More
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750Undisclosed2 - 9 employeesThornbury, EnglandBamsh Digital Marketing is a Thornbury, England-based SEO agency. The team specializes in Search Engine Optimization and Content Marketing.Read More
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Schedule ConsultationMost Reviewed SEO Company in United Kingdom
Check out a SEO Company in United Kingdom with the most new reviews in the past 12 months.
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