Top 100 Social Media Marketing Companies in London

Founded in 2016, Boutique Marketing Agency is located in London. With nearly 10 employees, they provide digital strategy, social media marketing, and content marketing services.

°Small World, an advertising company, is in London, United Kingdom. Launched in 2020, the small team focuses on advertising, branding, marketing strategy, digital strategy, and more.

Found. Is a midsize pay per click company. The London, United Kingdom-based firm was established in 2005. Their services include pay per click, search engine optimization, content marketing, conversion optimization, and more.

Gigde is a small content marketing company. Established in 2019, the company is in Noida, India. Their team specializes in content marketing, social media marketing, email marketing, search engine optimization, and more.

SEOsyrup is a SEO agency. Their midsize team is in Morden, United Kingdom and focuses on search engine optimization. The firm was launched in 2020.

Dandy Marketing is a digital marketing agency based in London and founded in 2017. With more than two employees, they offer SEO, PPC, and content marketing solutions to small and mid-market firms in the fields of healthcare and business services.

Advertyzed UK is an advertising company based in London, United Kingdom. The midsize team offers advertising, direct marketing, market research, marketing strategy, and more and was launched in 2022.

LoudlyDev Global Solutions is a small Karachi, Pakistan-based social media marketing company. Established in 2020, the team specializes in social media marketing, ux/ui design, web development, mobile app development, and more.

Founded in 2018, Propaganda Solutions is a small branding firm. Their services include branding, social media marketing, content marketing, search engine optimization, and more. The agency is headquartered in London, United Kingdom and Berlin, Germany.

Yiva Digital is a social media marketing agency. They offer social media marketing, search engine optimization, pay per click, digital strategy, and more and were founded in 2008. Their small team is London, United Kingdom-based.

Pay per click company Propel Digital is based in London, United Kingdom. The firm provides pay per click, social media marketing, digital strategy, and graphic design and is small.The firm was established in 2018.

THP is a digital agency based in Toronto with offices in Long Island, N.Y. and London. THP and its team of 175 have expertise in video production, social media marketing, digital strategy, and content marketing. Since 2013, the agency has worked with various industries including retail, consumer products, and advertising.

Fanbytes is a content marketing company. Founded in 2017, the small company is in London, United Kingdom. Their services include content marketing, social media marketing, digital strategy, and mobile & app marketing.

Juniper Marketing and Communications is a small social media marketing agency in London, United Kingdom. They provide social media marketing, digital strategy, and marketing strategy and were founded in 2014.

Founded in 2004, OUTloud is a social media marketing firm. The firm provides social media marketing, pay per click, and search engine optimization and has a small team. The firm is headquartered in London, United Kingdom.

RNL Group is a London, United Kingdom-based social media marketing agency. The small agency was established in 2022. Their team focuses on social media marketing, content marketing, and sales outsourcing.

Founded in 2018, Crypto Mind 360 is a social media marketing agency and content writing services company. Located in London, United Kingdom, their small team provides social media marketing and content writing services.

Established in 2022, Tuned Social: B2B LinkedIn Ads Agency is a social media marketing company. Their small team is based in Kilkenny, Ireland and London, United Kingdom and provides social media marketing.

Xtroniq Technologies is an app development firm launched in 2011. The small Kolkata, India-based team specializes in mobile app development, web development, branding, direct marketing, and more.

ThirdLook is a social media marketing firm. Their small team is headquartered in London, United Kingdom and offers social media marketing. The agency was established in 2023.

Seen Agency is a small social media marketing company. Founded in 2020, the firm is headquartered in London, United Kingdom. Their team focuses on social media marketing, video production, corporate photography, marketing strategy, and more.

Possible is a global digital marketing agency founded in 2011.  It provides mobile app development, UX/UI design, social media marketing, digital strategy, and content marketing.  The agency has offices in LA, Seattle, Atlanta, Cincinnati, Denver, New York, and Portland. International branches include Singapore, China, Costa Rica, Brazil, Germany, Romania, Poland, Hungary, Argentina, Russia, and the UK.  Possible employs over 1200 staff across these 19 locations.

Huge is an agency that user experience in business and marketing, not just design. Headquartered in Brooklyn, NY, Huge currently has more than 1,200 employees across 12 offices in North America, Latin America, Europe, and the Asia Pacific.

Advertising company Initiative was established in 1975. The large team focuses on advertising, branding, digital strategy, social media marketing, and more. The company is based in London , United Kingdom; New York, New York; Los Angeles, California and Mexico City, Mexico.

Established in 1970, Saatchi & Saatchi is an advertising company. The large London , United Kingdom-based team focuses on advertising, branding, digital strategy, social media marketing, and more.

RAPP is a large London, United Kingdom-based advertising company. They offer advertising, branding, digital strategy, social media marketing, and more and were established in 1965.

MediaCom is a marketing and advertising agency in Budapest, Hungary. Founded in 1997, they have approximately 7,000 employees that do social media marketing, digital strategy, and content marketing. MediaCom serves a range of clients in a variety of sectors.  

Mindshare is a large advertising company established in 1997. Their team specializes in advertising, branding, digital strategy, social media marketing, and more. The company is located in LONDON , United Kingdom; New York, New York; Gurgaon, India and New Delhi, India.

Jack Morton Worldwide is a brand experience agency headquartered in New York City with 18 worldwide offices including those in Melbourne, Shanghai, and Singapore. Founded in 1939, they have nearly 1400 employees with experience in event & experiential marketing, integrated campaigns, digital content marketing, as well as other critical branding solutions. They work with client of all sizes in a variety of industries including advertising, arts, media, and retail. 

Mirum Agency is a digital marketing agency with offices around the globe – from California to Texas to Minnesota to Dubai to Spain and more. Founded in 2015, Mirum combines strategy, creativity, and technology to understand business and human motivations. With a sizeable team (1500+) of digital savants, storytellers, and makers, Mirum Agency specializes in web design, social media marketing, digital strategy, advertising, and branding.