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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151$5,000+10 - 49 employeesManchester, EnglandRead More
Custard Online Marketing is a boutique SEO agency based in Manchester, United Kingdom. Founded in 2007, Custard Online Marketing's team of 20 employees specializes in providing SEO, content marketing, PPC services and more.
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National Tyres & AutocareIndustries
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152$5,000+2 - 9 employeesLondon, EnglandRead More
JamPrime, a branding agency, is headquartered in London, United Kingdom. They provide branding, content marketing, search engine optimization, and graphic design and were founded in 2022.
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153$1,000+10 - 49 employeesLondon, EnglandMillenio, a marketing strategy and SEO company, was established in 2016. Their small team is based in London, United Kingdom. The company provides marketing strategy and search engine optimization.Read More
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154$1,000+Freelancer employeesLondon, EnglandSEO services firm HB Freelance was founded in 2019. The agency focuses on Search Engine Optimization and has a small team. The agency is headquartered in London, England.Read More
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155$10,000+50 - 249 employeesLondon, EnglandFounded in 2012, Turn Up Technologies is a web design agency. Their midsize team is in London, England; Dubai, United Arab Emirates and Karachi, Pakistan and provides Web Design, Branding, and Search Engine Optimization.Read More
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156$1,000+2 - 9 employeesLondon, EnglandRead More
UClimb is a SEO company launched in 2018. The small London, United Kingdom-based team focuses on search engine optimization, pay per click, web design, and web development.
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157$10,000+10 - 49 employeesBelfast, Northern IrelandRead More
Web Bureau is a web agency headquartered in Belfast, United Kingdom, with an office in Dublin, Ireland. Since 2005, the company has specialized in web development, pay-per-click, and web design solutions for small and midmarket businesses. They also offer SEO services, focusing on mobile optimization, on-site optimization, and local search, among other methods.
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Harry CorryIndustries
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158$1,000+10 - 49 employeesCardiff, WalesRead More
Pinnacle Internet Marketing is an SEO agency that was founded in 2007. Their office in Cardiff, Wales, has 13 employees who specialise in increasing business revenue and profits through ROI-focused SEO services, PPC advertising, and content marketing. They work primarily for small businesses and midmarket companies, and help grow these businesses through digital innovation.
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Martyn Prowel SolicitorsIndustries
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159$1,000+250 - 999 employeesHale, EnglandHeadquartered in Hale, England, Add People is a midsize SEO services firm. They specialize in Search Engine Optimization, Pay Per Click, Digital Strategy, Social Media Marketing, and more and were established in 2002.Read More
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Body Tonic ClinicIndustries
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160$1,000+10 - 49 employeesLondon, EnglandCodious Technologies – WordPress Core Contributors & SEO Specialists | Leading Digital Marketing Agency London is a SEO agency. Founded in 2016, the company is headquartered in London, England and Sahibzada Ajit Singh Nagar, India. The small team specializes in Search Engine Optimization, Web Design, UX/UI Design, Web Development, and more.Read More
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Expenzing Chris JamesIndustries
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161$5,000+10 - 49 employeesLondon, EnglandRead More
Passionate Agency – Passionates is a branding agency. The London, England-based company was launched in 2019. The small team offers Branding, Conversion Optimization, Web Design, UX/UI Design, and more.
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162$25,000+10 - 49 employeesLondon, EnglandRead More
Founded in 2014, SoBold is a design and development agency headquartered in London. Their team of 10 specialize in web development, web design, print design, and social media marketing services for clients. Their clients primarily work with with small and mid market companies in the education, health care, hospitality, energy, and consumer product industries.
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163Undisclosed50 - 249 employeesExeter, EnglandRead More
Swanky (Shopify Plus Agency) is a midsize branding company. Launched in 2010, the team specializes in branding, social media marketing, search engine optimization, web design, and more. The company is based in Exeter, United Kingdom.
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164$1,000+2 - 9 employeesNORTHWICH, EnglandRead More
Profit Engine is an SEO firm founded in Northwich, England, with more than two experts. Founded in 2019, they specialize in SEO services for small and medium-sized businesses in the fields of IT, business, and financial services.
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PiesyncIndustries
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165$5,000+10 - 49 employeesLondon, EnglandIn London, United Kingdom, Main Menu is a software development firm. The small team offers custom software development, web development, web design, ux/ui design, and more. The agency was launched in 2009.Read More
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166$1,000+2 - 9 employeesLondon, EnglandRead More
Milestone Media , a small social media marketing company, is based in London, United Kingdom. Founded in 2017, the team focuses on social media marketing, pay per click, email marketing, mobile & app marketing, and more.
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167$50,000+50 - 249 employeesLondon, EnglandRead More
Greenlight Digital is a full service digital marketing agency headquartered in London. Founded in 2001, they have a team of about 150 that specialize in SEO, PPC, web design and build, content marketing, social media, conversion optimization and digital strategy.
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ghdIndustries
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168$1,000+2 - 9 employeesLondon, EnglandRead More
Got Legs Digital Marketing is a growth marketing agency based in London. The company, founded in 2019, has as team of less than ten that provides social media marketing, SEO, digital strategy, PPC, content marketing, and mobile & app marketing services to small and midmarket companies in the financial services, real estate, business services, and IT industries.
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American ExpressIndustries
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169$1,000+10 - 49 employeesDoncaster, EnglandLoud Crowd Creative Agency is a small web design company. Located in Doncaster, United Kingdom, the company was established in 2016. Their team focuses on web design, CRM consulting and SI, IT managed services, branding, and more.Read More
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170$1,000+10 - 49 employeesStamford, EnglandRead More
INK Media is a boutique consultancy located in Stamford, U.K. and founded in 2013. Their 50-plus employees provide content marketing, SEO, digital strategy, social media marketing, and more to medium-sized clients.
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Mindability.ioIndustries
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171$10,000+10 - 49 employeesLeeds, EnglandBOUTIQUE, a media planning & buying company, is headquartered in Leeds, England. The company provides Media Planning & Buying, Public Relations, Digital Strategy, Content Marketing, and more and has a small team.The company was established in 2012.Read More
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Limitless DigitalIndustries
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172$5,000+Freelancer employeesLondon, EnglandRead More
Paper Gecko Ltd. is a London-based freelance marketing agency. Since 2018, they have offered digital strategy, marketing strategy, and SEO solutions for clients ranging from small companies to large firms in the fields of manufacturing and consumer products.
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PermobilIndustries
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173$1,000+2 - 9 employeesChester, EnglandRead More
Andy Drinkwater Ltd is an SEO consultancy based in Chester, U.K. They have a team of around 5 employees and were founded in 1999. They provide SEO and content marketing services.
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Lakeland FurnitureIndustries
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174$25,000+10 - 49 employeesBridgnorth, EnglandRead More
Clickingmad Ltd. is a full service digital agency based in Bridgnorth, England, and founded in 2000. Their team of 4 employees specialize in web design, e-commerce development, and SEO for primarily midmarket clients in the non-profit, business services, and consumer products industries.
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Mars CorporationIndustries
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175$1,000+10 - 49 employeesRochdale, EnglandLinks Building Services is a SEO services firm in Rochdale, England. The company specializes in Search Engine Optimization, Blockchain Marketing, Content Marketing, and Ecommerce Marketing and has a small team.The company was established in 2021.Read More
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176$1,000+2 - 9 employeesLeeds, EnglandRead More
topflight Agency is a digital marketing agency based in York, U.K. The agency, founded in 2019, has a team of less than ten that provides SEO, PPC, social media marketing, conversion optimization, and content marketing services. topflight Agency serves small and larger-sized companies in various industries that include e-commerce, health care & medical, and retail.
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WORKING StudioIndustries
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177$10,000+10 - 49 employeesLondon, EnglandRead More
Rudo B2B is a small web design company. The London, England-based agency was established in 2016. Their services include Web Design, Web Development, Digital Strategy, Search Engine Optimization, and more.
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Voyager World WideIndustries
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178$1,000+2 - 9 employeesLiverpool, EnglandLaunched in 2011, LMNts Marketing is a Marketing Strategy company. The agency provides Marketing Strategy, Conversion Optimization, Email Marketing, and Search Engine Optimization and has a small team. The agency is headquartered in Liverpool, England.Read More
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RepairMyPCIndustries
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179$1,000+2 - 9 employeesSalford, EnglandRead More
Lemon Pulse Ltd is a digital marketing agency located in Glasglow, Scotland. They were founded in 2018. They offer SEO services as well as marketing and digital strategy services to primarily midmarket firms in IT, e-commerce, and business services.
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ThalesIndustries
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180$1,000+10 - 49 employeesBirmingham, EnglandRead More
InfoRox is a web & apps development agency based in Birmingham, U.K. The agency, founded in 2012, has a team of less than ten that provides custom software development, mobile app development, web development, IT managed services, and e-commerce development services. InfoRox serves mid-market and other-sized companies in various industries.
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London Business School
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