Top 100 SEO Companies in London
The Best of December 2025Looking for a top SEO firm in London?
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 London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best London SEO Firms
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1$10,000+10 - 49 employeesVancouver, CanadaRead More
Pace Creative Group is an advertising company. Their small team is headquartered in , Canada. The firm specializes in advertising, branding, social media marketing, and web design.
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2$1,000+10 - 49 employeesLondon, CanadaZOO Media Group Inc. Is a branding company. They focus on Branding, Search Engine Optimization, Pay Per Click, Web Design, and more and were established in 2005. The agency is located in London, Canada.Read More
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3$1,000+10 - 49 employeesLondon, CanadaRead More
Iron Rhino is a small full-service agency headquartered in London, Canada. Founded in 2020, their main focus lines are SEO, public relations, and social media marketing.
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Century 21Industries
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4$5,000+2 - 9 employeesLondon, CanadaRead More
44 North Digital Marketing is a digital marketing agency founded in 2014. Based in London, Canada with an additional office in Barrie, Canada, the team of 7 employees specializes in conversion optimization, PPC, and SEO.
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Lerners LLP -
5$5,000+10 - 49 employeesLondon, CanadaFoundery Digital Marketing Group is a small branding agency. Established in 2006, the team specializes in branding, social media marketing, content marketing, search engine optimization, and more. The company is located in London, Canada.Read More
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6$25,000+50 - 249 employeesLondon, CanadaRead More
Arcane is a digital agency based in London, Canada. They were founded in 2011 and have a team of 86 employees. They specialize in marketing strategy, digital strategy, and PPC advertising for primarily midmarket clients in the consumer products, retail, and eCommerce industries.
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Roots CanadaIndustries
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7$1,000+10 - 49 employeesLondon, CanadaRead More
Launched in 2015, Beliveau Marketing is a branding company. Their small team is headquartered in London, Canada and focuses on branding, digital strategy, social media marketing, content marketing, and more.
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8$5,000+10 - 49 employeesLondon, CanadaOntario SEO, a small SEO services firm, is in London, Canada. Their services include Search Engine Optimization and Marketing Strategy.Read More
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9$1,000+Freelancer employeesLondon, CanadaRead More
MoonShot Social Media is a social media marketing company based in London, Canada. They offer social media marketing, search engine optimization, and pay per click and were launched in 2022.
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Mercedes-Benz of The WoodlandsIndustries
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10Undisclosed10 - 49 employeesLondon, CanadaSlyFox Web Design and Marketing is a small Advertising company based in London, Canada. Their services include Advertising and Search Engine Optimization.Read More
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11$1,000+10 - 49 employeesLondon, CanadaDigerati Labs Ltd, a small Digital Strategy company, is located in London, Canada. Their services include Digital Strategy and Social Media Marketing.Read More
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12$1,000+2 - 9 employeesLondon, CanadaEstablished in 2002, SmartWebPros.com Inc. Is a SEO services firm. The agency provides Search Engine Optimization and Web Design, and is small.Read More
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13$5,000+2 - 9 employeesLondon, CanadaWeb design agency workbench media is headquartered in London, Canada. The small company was founded in 2024. Their services include web design, advertising, ux/ui design, and business consulting.Read More
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14$1,000+Freelancer employeesLondon, CanadaRead More
Mad-Web.Ca is a freelance web development business based in Ontario, Canada. The business, founded in 2015, is a one-man freelance enterprise that provides web design and development, e-commerce development, SEO, UX/UI design, and social media marketing services to various companies and other clients.
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InsideScientific.com -
15$10,000+10 - 49 employeesLondon, CanadaTbk is a big data company founded in 2009. The firm offers BI & big data consulting & SI and Web Design, and is small.Read More
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16$10,000+10 - 49 employeesLondon, CanadaInnovative Global Vision, Inc. Is a web design company. The team provides Web Design and Video Production, and the company is in Macedonia, Ohio and London, Canada.Read More
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17$1,000+2 - 9 employeesLondon, CanadaGood Ideas Marketing is a Marketing Strategy company. They focus on Marketing Strategy and Demand Generation Marketing and were founded in 2016.Read More
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18$1,000+2 - 9 employeesLondon, CanadaBased in London, Canada, Hart Direction is a small branding firm. Their services include Branding and Marketing Strategy.Read More
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19$1,000+2 - 9 employeesLondon, CanadaPay per click company Digital Clicks Marketing is headquartered in London, Canada. They provide Pay Per Click and Advertising.Read More
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20$1,000+Freelancer employeesLondon, CanadaZach Clarke is a small SEO agency founded in 2025. Their team provides Search Engine Optimization and Web Design.Read More
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21$1,000+2 - 9 employeesLondon, CanadaSEO agency Tim is based in London, Canada. Their services include Search Engine Optimization and Pay Per Click.Read More
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22$1,000+2 - 9 employeesLondon, CanadaGRIP THE EDGE is a Digital Strategy company launched in 2016. The team provides Digital Strategy and Graphic Design.Read More
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23$1,000+10 - 49 employeesLondon, CanadaMarkedox Digital is a Digital Strategy company. They are located in London, Canada and Ghaziabad, India. Their team offers Digital Strategy and Social Media Marketing.Read More
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24$1,000+2 - 9 employeesLondon, CanadaLocated in London, Canada, IAMSEO is a small Content Marketing company. Their services include Content Marketing and Conversion Optimization.Read More
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25Undisclosed10 - 49 employeesLondon, CanadaDigital Echidna is a Content Marketing company. They are based in London, Canada. Their team offers Content Marketing and Search Engine Optimization.Read More
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26$1,000+Freelancer employeesLondon, CanadaWeb design company Canada Web Pro (Webnetave.com) specializes in Web Design and Search Engine Optimization. They are headquartered in London, Canada.Read More
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27$1,000+2 - 9 employeesStrathroy, CanadaRainmaker Leads And Digital Marketing is a small Strathroy, Canada-based SEO agency and web design agency. Their services include Search Engine Optimization and Web Design.Read More
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28$5,000+2 - 9 employeesLondon, CanadaSteel Hive Digital is a social media marketing agency based in Orlando, Florida and London, Canada. Founded in 2024, the small team offers Social Media Marketing, Web Design, Web Development, Pay Per Click, and more.Read More
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29$10,000+10 - 49 employeesLondon, CanadaSmall web design company rTraction, is headquartered in London, Canada. Their services include Web Design and Web Development.Read More
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30$5,000+2 - 9 employeesAylmer, CanadaCirrusLab is a small Aylmer, Canada-based web design agency. Their services include Web Design and Web Development.Read More
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