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.
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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1$1,000+50 - 249 employeesGuildford, EnglandBreakline, a SEO company, is headquartered in Guildford, England; London, England; Boise, Idaho and Houston, Texas. They provide Search Engine Optimization and were launched in 2012.Read More
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Exciting Escapes Mayfield Dental Value My Car Taylor AerialsIndustries
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2$5,000+10 - 49 employeesLondon, EnglandBird Marketing is a London, England-based SEO company. Founded in 2010, the small team provides Search Engine Optimization and Web Design.Read More
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Huawei SuperMicro FirstData Cancer ResearchIndustries
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3$1,000+2 - 9 employeesTwickenham, EnglandRead More
Genie Crawl, founded in 2018, is a digital marketing agency headquartered in Twickenham, U.K. They have a team of less than 10 who specialize in SEO, PPC, and web design services.
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SubwayIndustries
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4$1,000+10 - 49 employeesBasingstoke , EnglandRead More
Front Page Advantage is an SEO agency in Basingstoke, United Kingdom. Founded in 2006, they have about 8 employees that serve small businesses in a wide range of industries. Their services are specialized in SEO.
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DeloitteIndustries
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5$1,000+250 - 999 employeesLincoln, EnglandRead More
Promodo is a midsize SEO services firm. The Las Vegas, Nevada-based firm was founded in 2004. Their team offers Search Engine Optimization, Pay Per Click, Marketing Strategy, Email Marketing, and more.
Clients
Karcher Leobank PlantIn ClaspoIndustries
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6$1,000+10 - 49 employeesSheffield, EnglandRead More
The SEO Works is a small SEO services firm in Sheffield, England; Leeds, England and London, England. They provide Search Engine Optimization, Pay Per Click, Advertising, Content Marketing, and more and were launched in 2009.
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7$5,000+10 - 49 employeesLondon, EnglandRead More
Passion Digital is a digital marketing agency based in Holborn, Central London, founded in 2012. We specialize in blending performance and imagination to create innovative marketing solutions for growth brands, offering services such as organic marketing (SEO, content marketing) and paid media (PPC, paid social, YouTube, and programmatic).
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Mazda Octopus Investments Knight Frank BionaIndustries
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8$1,000+10 - 49 employeesReading, EnglandBlue Array SEO is a SEO services firm. Headquartered in Reading, England; London, England and Berlin, Germany, their small team focuses on Search Engine Optimization. The agency was founded in 2015.Read More
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RACIndustries
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9$1,000+10 - 49 employeesBirmingham, EnglandRead More
Odyssey New Media is a digital marketing agency headquartered in Birmingham, U.K. that specializes in SEO, PPC, web design, and social media marketing. Founded in 2010, the agency works with midmarket companies, small businesses, and enterprises across industries such as business services, consumer products and services, healthcare and medical, and more. Odyssey New Media is comprised of fewer than 50 employees.
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Appoly GroupIndustries
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10$1,000+2 - 9 employeesRichmond, EnglandRead More
Artios, a small SEO agency, is based in Richmond, United Kingdom. Launched in 2007, the team offers search engine optimization.
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11$5,000+50 - 249 employeesLondon, EnglandRead More
Established in 2015, ROAST | B Corp Certified is a SEO agency. Their midsize team is headquartered in London, England; Cape Town, South Africa; Avon, England and New York, New York. Their services include Search Engine Optimization, Social Media Marketing, Pay Per Click, Media Planning & Buying, and more.
Clients
Experian Hyperoptic World Courier, part of CencoraIndustries
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12$1,000+10 - 49 employeesLondon, EnglandLaunched in 2015, Minty Digital is a small SEO company headquartered in Barcelona, Spain; London, England and New York, New York. Their services include Search Engine Optimization, Public Relations, and Content Marketing.Read More
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HaloIndustries
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13$1,000+10 - 49 employeesDerby, EnglandRead More
Headquartered in Derby, United Kingdom, UK Linkology is a content marketing company. The agency provides content marketing, digital strategy, and search engine optimization and is small.The agency was established in 2011.
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14$5,000+50 - 249 employeesLondon, EnglandNon.agency is a SEO services firm. They are based in London, England; Poznań, Poland and Poznań, Poland and have a midsize team. The company offers Search Engine Optimization, Generative AI, Digital Strategy, and Content Marketing.Read More
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15$1,000+2 - 9 employeesNewry, Northern IrelandSEO Impact, a SEO services firm, is in Newry, Northern Ireland. The small firm was established in 2021. Their services include Search Engine Optimization and Web Development.Read More
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16$1,000+10 - 49 employeesBlackburn, EnglandRead More
seoBusiness is an SEO and digital marketing agency in Blackburn, UK. Founded in 1999, they comprise over 20 employees specializing in SEO, PPC marketing and website design and development. They work primarily with ecommerce retailers, and midmarket businesses in a range of industries.
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Stealth GamingIndustries
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17$1,000+10 - 49 employeesEdinburgh, ScotlandRead More
LinkBuilder.io is a SEO services firm. Launched in 2016, the team focuses on search engine optimization. Their small company is located in Edinburgh, United Kingdom.
Clients
Key clients: Udemy, SoFi, Trip Advisor, Snack Nation, SolarWinds, Rapid API, Bouqs and more. -
18$5,000+50 - 249 employeesSydney, AustraliaRead More
Brafton is a midsize Boston, Massachusetts-based Content Marketing company. They focus on Content Marketing and Search Engine Optimization and were launched in 2008.
Clients
CanvaIndustries
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19$10,000+10 - 49 employeesGuildford, EnglandGeeky Tech, a SEO agency, is headquartered in Guildford, England and Los Angeles, California. The small team specializes in Search Engine Optimization, Generative AI, Advertising, and Pay Per Click and was founded in 2010.Read More
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20$1,000+10 - 49 employeesLondon, EnglandE intelligence is a SEO agency founded in 2005. The agency provides Search Engine Optimization, Pay Per Click, Web Development, and Low/No Code Development and has a small team.Read More
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Channers on NorfolkIndustries
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21$1,000+2 - 9 employeesLondon, EnglandSmall SEO company Agile Digital Agency, is headquartered in London, England. They provide Search Engine Optimization, Web Design, and Web Development and were launched in 2018.Read More
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Singleton Law Firm (USA)Industries
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22$1,000+50 - 249 employeesLondon, EnglandStudioHawk SEO Agency is a Prahran, Australia-based SEO company. The company focuses on Search Engine Optimization, Content Marketing, Public Relations, and Conversion Optimization and is midsize.The company was established in 2015.Read More
Clients
Quick Books Officeworks New Balance YouFoodzIndustries
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23$1,000+10 - 49 employeesNottingham, EnglandRead More
Herdl, a SEO company, is located in Leicester, England; Nottingham, England and London, England. The agency focuses on Search Engine Optimization, Pay Per Click, and Web Design and has a small team.The agency was founded in 2013.
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24$5,000+250 - 999 employeesLondon, EnglandRead More
Ninja Promo is a New York, New York-based social media marketing company. The company specializes in Social Media Marketing, Mobile & App Marketing, Other Digital Marketing, Advertising, and more and is midsize.The company was established in 2017.
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IqoniqIndustries
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25$5,000+50 - 249 employeesLondon, EnglandAspectus is a branding company. The midsize London, England-based team offers Branding, Public Relations, Search Engine Optimization, and Web Design. The company was established in 2008.Read More
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26$1,000+50 - 249 employeesBirmingham, EnglandRead More
M3.agency is a midsize Birmingham, England-based SEO services firm. Established in 1999, the team specializes in Search Engine Optimization, Pay Per Click, Advertising, Social Media Marketing, and more.
Clients
Formula One Autocentres MG Motor UK Oxford Plastics Aston VillaIndustries
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27$5,000+10 - 49 employeesWarrington, EnglandRead More
Atomic Digital Marketing / Atomic Digital Labs, a SEO company, is headquartered in Warrington, England; Southampton, England; Edinburgh, Scotland and Cardiff, Wales. Launched in 2018, the small team focuses on Search Engine Optimization, Pay Per Click, UX/UI Design, Web Development, and more.
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RocambolesqueIndustries
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28$1,000+10 - 49 employeesLondon, EnglandIgnite SEO is a SEO services firm established in 2020. The small team focuses on Search Engine Optimization. The company is located in London, England and Coventry, England.Read More
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29$1,000+10 - 49 employeesLondon, EnglandRead More
Improve My Search Ranking is a SEO company. They specialize in search engine optimization and were launched in 2014. Their small team is London, United Kingdom-based.
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NHSIndustries
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30$1,000+2 - 9 employeesBristol, EnglandRead More
Arken Marketing is a Weston Super Mare, United Kingdom-based SEO company. The small team specializes in search engine optimization and web design and was established in 2015.
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Braant AccountingIndustries
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