Top 100 Social Media Marketing Companies in the United Kingdom

Digirize is a SEO services firm. They are located in Leicester, United Kingdom and have a small team. The agency provides search engine optimization, digital strategy, social media marketing, content marketing, and more.

Parent is an advertising company. They specialize in advertising, branding, social media marketing, packaging design, and more and were established in 2003. Their midsize team is Bournemouth, United Kingdom-based.

Deep Focus, a content marketing company, is in Los Angeles, California; New York, New York; San Francisco, California and London, United Kingdom. The company provides content marketing, advertising, digital strategy, social media marketing, and more and has a midsize team.The company was launched in 2002.

Netbooster is a CRM consulting and SI company launched in 1998. Their midsize team is headquartered in Westminster, United Kingdom. Their services include CRM consulting and SI, digital strategy, IT strategy consulting, pay per click, and more.

Karmarama is an advertising company. They are based in London , United Kingdom and have a midsize team that focuses on advertising, branding, digital strategy, social media marketing, and more. The firm was established in 2000.

Reprise Media is an advertising company. Founded in 2003, the midsize company is located in London , United Kingdom; New York, New York and Toronto, Canada. Their services include advertising, branding, digital strategy, social media marketing, and more.

We Are Social is an advertising company established in 2008. The midsize team specializes in advertising, branding, digital strategy, social media marketing, and more. The company is based in London , United Kingdom; New York, New York; Milan, Italy and Paris, France.

Anomaly is an advertising company. Founded in 2004, the team provides advertising, branding, digital strategy, social media marketing, and more. Their midsize agency is located in London, United Kingdom; Los Angeles, California; Shanghai , China and New York, New York.

Naked Communications is a creative agency based in London. Founded in 2000, Naked has just over 80 employees between their European headquarters and Melbourne, Australia branch office. Their services focus on boutique marketing solutions and experience design, including creative strategy, web development, content marketing, influencer marketing, and other creative branding techniques.

Carat, an advertising company, was founded in 1968. The midsize London , United Kingdom-based team focuses on advertising, branding, digital strategy, social media marketing, and more.

JWT, an advertising company, was established in 1926. Their midsize team is based in London, United Kingdom; New York, New York and Sao Paulo, Brazil. The firm offers advertising, branding, digital strategy, social media marketing, and more.

OMD , an advertising company, was established in 1986. The midsize London, United Kingdom-based team specializes in advertising, branding, digital strategy, social media marketing, and more.

360i is an international marketing and advertising agency that was founded in 1998. It is headquartered in New York and has U.S. offices in Atlanta, Chicago, and Los Angeles. Its international offices are found in the U.K., Canada, and Brazil. Its large team of around 1,000 employees has two decades of experience in web design, advertising, and social media marketing. The team at 360i specializes in working with large enterprises but has worked with smaller and mid-market sized clients in the past. 

Bray Leino is a Filleigh, United Kingdom-based advertising company. The midsize company was founded in 1974. Their team provides advertising, branding, digital strategy, social media marketing, and more.

Advertising company Doner was launched in 1937. The midsize London, United Kingdom-based team offers advertising, branding, digital strategy, social media marketing, and more.

Based in London , United Kingdom; Manchester , United Kingdom and New York, New York, Kinetic is an advertising company. The midsize team specializes in advertising, branding, digital strategy, social media marketing, and more. The agency was founded in 2005.

Imagination is a midsize advertising company. They offer advertising, branding, digital strategy, social media marketing, and more and were launched in 1968.

Golley Slater, an advertising company, was founded in 1957. Their midsize team is based in Cardiff , United Kingdom; Leeds, United Kingdom and London, United Kingdom. Their services include advertising, branding, digital strategy, social media marketing, and more.

Martin Agency is a full-service digital agency with offices in New York, London, and Richmond, Va. The agency has accumulated a team of over 500 employees. Martin Agency has been specializing in web design, social media marketing, and digital strategy since it was founded in 1965. Enterprise-level clients include prestigious companies across the restaurant, finance, and insurance industries. 

Proximity London is a branding firm. The midsize London , United Kingdom-based company was founded in 1990. Their services include branding, digital strategy, graphic design, social media marketing, and more.

Located in London, United Kingdom; Santa Barbara, California; Los Angeles, California and Boston, Massachusetts, Commission Junction is a conversion optimization company. They provide conversion optimization, digital strategy, email marketing, search engine optimization, and more and were established in 1998.

Digital strategy company LYONSCG was launched in 2003. The agency specializes in digital strategy, mobile & app marketing, social media marketing, email marketing, and more and has a midsize team. The agency is in Chicago, Illinois; New York, New York; London, United Kingdom and Detroit, Michigan.

Exposure is a content marketing company. The midsize London, United Kingdom-based company was founded in 1993. Their services include content marketing, public relations, social media marketing, direct marketing, and more.

UX company AmazeRealise was established in 1997. The midsize London, United Kingdom-based team offers ux/ui design, branding, digital strategy, public relations, and more.

Mobile & app marketing company Kumulos was founded in 2011. Located in Cary, North Carolina and Dundee, United Kingdom, their small team focuses on mobile & app marketing and mobile app development.

Midsize digital strategy company Data Trained Education LLC, is headquartered in 2080 Astoria, New York; 152 - 160 City Road, London, , United Kingdom and Singapore, Singapore. Launched in 2012, the team offers digital strategy, social media marketing, content marketing, search engine optimization, and more.

Ecorys UK is a business consulting company. They are in Birmingham, United Kingdom and have a midsize team that offers business consulting, digital strategy, and social media marketing. The agency was founded in 1983.

Midsize marketing strategy company Wunderman Thompson MAP, is in København, Denmark; Bangkok, Thailand; Barcelona, Spain and Lisboa, Portugal. The team focuses on marketing strategy, social media marketing, search engine optimization, CRM consulting and SI, and more.

Netpeak is a social media marketing agency. The Monterey, Massachusetts-based firm was established in 2006. The midsize team specializes in social media marketing, email marketing, mobile & app marketing, search engine optimization, and more.

MG OMD, a media planning & buying company, is in London, United Kingdom. Launched in 1990, the midsize team focuses on media planning & buying, social media marketing, search engine optimization, pay per click, and more.