Top 100 Social Media Marketing Companies in London
The Best of December 2025Looking for a top social media company in London?
Given the global demand for online connectivity, marketing your business on social media is crucial. With hundreds of millions of users online daily, social media platforms such as Facebook, Twitter, LinkedIn, and YouTube give businesses the opportunity to tap into an enthusiastic, responsive audience.
To assist you in your search for a partner, we’ve compiled this list of the top social media marketing companies in London. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best London Social Media Marketing Agencies
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421$10,000+10 - 49 employeesFitzrovia, EnglandThe Bank Agency is an Advertising company. Launched in 1992, the agency is located in Fitzrovia, England. Their team provides Advertising and Branding.Read More
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422$5,000+10 - 49 employeesLondon, EnglandIn London, England and Jing’an District, Shanghai, China, Qumin is a PPC company. They provide Pay Per Click and Search Engine Optimization.Read More
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423$5,000+10 - 49 employeesLondon , EnglandEstablished in 2007, Assertive is a small SEO agency in London , England. Their team provides Search Engine Optimization and Pay Per Click.Read More
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424Undisclosed10 - 49 employeesLondon, EnglandTommy is an Advertising company launched in 2009. The agency specializes in Advertising and Digital Strategy, and is small.Read More
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425Undisclosed10 - 49 employeesLondon, EnglandEulogy is an Advertising company launched in 1996. Their services include Advertising and Public Relations.Read More
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426$1,000+2 - 9 employeesLondon, EnglandImagen insights is a Market Research company. The team is headquartered in London, England, and their services include Market Research and Branding.Read More
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427$1,000+50 - 249 employeesLondon, EnglandPPC company Merkle | Periscopix is in London, England and Edinburgh, Scotland. Their services include Pay Per Click and Search Engine Optimization.Read More
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428$5,000+2 - 9 employeesLondon, EnglandDesign Broker is a branding firm founded in 2024. The firm provides Branding, Social Media Marketing, UX/UI Design, Graphic Design, and more and has a small team.Read More
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429$50,000+50 - 249 employeesLondon, EnglandMicro Biz is a midsize Digital Strategy company. They specialize in Digital Strategy and Mobile & App Marketing and were launched in 2010.Read More
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430$1,000+2 - 9 employees5th Floor, EnglandOne of One Social Media Marketing Agency is a social media marketing agency. Established in 2018, the agency focuses on Social Media Marketing and Digital Strategy.Read More
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431Undisclosed2 - 9 employeesLondon, EnglandHimal Tech is a social media marketing firm. The London, England-based firm was established in 2012. Their team provides Social Media Marketing and Search Engine Optimization.Read More
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432$1,000+2 - 9 employeesHarrow, EnglandYasmeen Creative is a branding agency launched in 2020. The company offers Branding and Social Media Marketing, and is small.Read More
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433$5,000+2 - 9 employeesLondon, EnglandBased in London, England, Lumo Digital is a Conversion Optimization company. They specialize in Conversion Optimization and Pay Per Click.Read More
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434$1,000+2 - 9 employeesLondon, EnglandBased in London, England, CAYVES is a social media marketing firm. The team offers Social Media Marketing and Content Marketing.Read More
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435Undisclosed2 - 9 employeesLondon, EnglandKaleido is a branding agency. They were established in 2024, and their services include Branding and Social Media Marketing.Read More
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436$1,000+10 - 49 employeesRichmond, EnglandSmall Digital Strategy company Enlybee, is based in Richmond, England. The team offers Digital Strategy and Social Media Marketing.Read More
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437Undisclosed50 - 249 employeesLondon, EnglandFetch is a Mobile & App Marketing company. Their team is located in London, England and San Francisco, California. The agency offers Mobile & App Marketing and UX/UI Design.Read More
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438$1,000+50 - 249 employeesLondon, EnglandHostHelp, a branding agency, was established in 2009. The firm offers branding, social media marketing, content marketing, email marketing, and more and has a midsize team.Read More
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439$10,000+10 - 49 employeesLondon, EnglandBranding firm Mullenlowe Salt was founded in 2000. The small team specializes in Branding and Digital Strategy.Read More
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440$10,000+10 - 49 employeesLondon, EnglandSmall branding agency Richmond & Towers, is in London, England. Their services include Branding and Public Relations.Read More
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441$10,000+10 - 49 employeesLondon, EnglandLONDON Advertising is a London, England-based Advertising company. Launched in 2008, the team offers Advertising and Branding.Read More
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442$5,000+10 - 49 employeesLondon, EnglandDigital Strategy company Grow Digital Services Ltd was launched in 2012. The team specializes in Digital Strategy and E-Commerce Development.Read More
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443$1,000+10 - 49 employeesLondon, EnglandPublic relations firm Fourteen Ten focuses on Public Relations and Social Media Marketing. They are located in London, England.Read More
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444Undisclosed10 - 49 employeesBarking, EnglandBased in Barking, England and Barking, England, Website Design Service is a branding company. The team specializes in Branding and Social Media Marketing.Read More
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445$5,000+10 - 49 employeesLondon, EnglandLaunched in 2003, Brazil is an Advertising company. The small team offers Advertising and Public Relations.Read More
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446Undisclosed2 - 9 employeesLondon, EnglandCustomer Devoted is an Advertising company. The London, England-based firm focuses on Advertising and Marketing Strategy.Read More
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447$1,000+10 - 49 employeesLondon, EnglandGlobal Social Media Service is a social media marketing company. They offer Social Media Marketing and Content Marketing and are headquartered in London, England and Burnaby, Canada.Read More
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448Undisclosed10 - 49 employeesLondon, EnglandMarketish is a social media marketing firm. The London, England-based company specializes in Social Media Marketing and Email Marketing.Read More
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449$50,000+10 - 49 employeesLondon, EnglandDigital Strategy company GRM Digital provides Digital Strategy and Social Media Marketing. They are in Leeds, England and Sarajevo, Bosnia and Herzegovina.Read More
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450$10,000+10 - 49 employeesHatfield, EnglandSEO agency Submerge was launched in 2014. The team provides Search Engine Optimization and Web Design and is in Hatfield, England.Read More
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