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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721$1,000+2 - 9 employeesManchester, EnglandRead More
SEOReq is a digital agency founded in 2019 with no more than 10 employees. They provide digital strategy, conversion optimization, and SEO solutions from their office in Manchester, England. They work with clients in the industries of advertising and healthcare.
Clients
LinguaLegalIndustries
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722Undisclosed10 - 49 employeesBrighton, EnglandSeedhub Media, a SEO agency, provides Search Engine Optimization and Digital Strategy. The firm is headquartered in Brighton, England and Aglantzia, Cyprus.Read More
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723$1,000+2 - 9 employeesKempston, EnglandFull Circle Website Design is a SEO services firm. Launched in 2016, the team focuses on Search Engine Optimization and Web Design. The company is located in Kempston, England.Read More
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724$10,000+10 - 49 employeesBirmingham, EnglandKoenig Web Design Ltd is a SEO agency. Established in 2008, the agency provides Search Engine Optimization and Web Design.Read More
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725$1,000+2 - 9 employeesManchester, EnglandSEO IS BORING is a SEO company. They are headquartered in Manchester, England and have small team of experts. Their services include Search Engine Optimization.Read More
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726Undisclosed2 - 9 employeesSmethwick, EnglandH-ranks is a SEO services firm launched in 2023. Based in Smethwick, England, the team provides Search Engine Optimization.Read More
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727$1,000+2 - 9 employeesLondon, EnglandLocal SEO Service London is a London, England-based SEO agency. They provide Search Engine Optimization and were established in 2023.Read More
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728$1,000+10 - 49 employeesRuislip, EnglandHeadquartered in Ruislip, England, Ailbhean Africa is a SEO company. Their services include Search Engine Optimization.Read More
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729$1,000+2 - 9 employeesLondon, EnglandWeb Tick Digital, a SEO agency, was founded in 2023. The team provides Search Engine Optimization.Read More
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730$1,000+2 - 9 employeesLondon, EnglandLondon-SEO UK, a SEO agency, was established in 2024. The company provides Search Engine Optimization, and is small.Read More
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731$1,000+50 - 249 employeesLondon, EnglandUK SEO Firm is a SEO agency. They were founded in 2016, and their services include Search Engine Optimization and Pay Per Click.Read More
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732Undisclosed2 - 9 employeesLeeds, EnglandSEO services firm Grwth Hub Leeds SEO Services specializes in Search Engine Optimization. They are based in Leeds, England.Read More
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733$5,000+2 - 9 employeesLondon, EnglandWiserank is a SEO company. The company is in London, England. Their services include Search Engine Optimization.Read More
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734$1,000+2 - 9 employeesMarlow, EnglandSEO company RankZol is based in Marlow, England. Launched in 2022, the team provides Search Engine Optimization.Read More
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735$1,000+2 - 9 employeesGlasgow, ScotlandGrant McArthur SEO & Design, a small SEO services firm, is located in Glasgow, Scotland. The team focuses on Search Engine Optimization and Social Media Marketing.Read More
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736$5,000+2 - 9 employeesManchester, EnglandToni Marino is a SEO agency. They specialize in Search Engine Optimization and Social Media Marketing and were launched in 2015. The firm is located in Manchester, England.Read More
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737$10,000+2 - 9 employeesLondon, EnglandMelt Digital is a SEO services firm. Their small team is headquartered in London, England and offers Search Engine Optimization and Marketing Strategy. The agency was founded in 2013.Read More
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738$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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739$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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740$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.
Clients
Bianca MillerIndustries
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741$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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742$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
Clients
WhistlIndustries
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743Undisclosed10 - 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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744Undisclosed10 - 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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745$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
Industries
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746$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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747$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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748$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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749Undisclosed2 - 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
Industries
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750$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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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.
Most Reviewed
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- 13 8 new reviews
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