Top 100 Social Media Marketing Companies in the United States

Gradient9 Studios is a small Indianola, Iowa-based web design company. Launched in 2011, the team specializes in web design, web development, e-commerce development, graphic design, and more.

Webber Koonce Media is a social media marketing company launched in 2016. The small Birmingham, Alabama-based team specializes in social media marketing, web design, graphic design, advertising, and more.

Good Kids is a creative agency based in Toronto, Canada. The agency, founded in 2005, has a team of around ten that provides event marketing & planning, advertising, digital strategy, social media marketing, and PR services to small and larger-sized companies in various industries.

eDesign Interactive is a digital experience agency headquartered in Morristown, NJ. Founded in 2004 with a team of 30+, they create websites, digital strategy, and interactive campaigns across multiple industries.

Harambee Digital, a branding agency, was established in 2021. The small New York, New York-based team provides branding, digital strategy, social media marketing, content marketing, and more.

Social media marketing company Vicariously Me Marketing was established in 2019. Their small team is in Brandon, Florida and provides social media marketing, email marketing, pay per click, conversion optimization, and more.

AEGIIZ TECHNOLOGIES is a Memphis, Tennessee-based branding firm. The midsize firm was established in 2015. Their team provides branding, social media marketing, content marketing, search engine optimization, 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.

FleishmanHillard is a communications firm based in Atlanta. Founded in 1946, FleishmanHillard's team of nearly 3,000 employees has decades of experience. The firm offers services in web design, digital strategy, advertising, branding, and social media marketing to its clients. 

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.  

Interbrand is a large advertising company. The New York, New York-based company was launched in 1974. Their services include advertising, branding, digital strategy, social media marketing, and more.

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. 

Cohn & Wolfe is an advertising company. They offer advertising, branding, digital strategy, social media marketing, and more and were established in 1970. Their large team is located in Los Angeles, California; New York, New York and London, United Kingdom.

GolinHarris is a large advertising company. The Los Angeles, California-based company was founded in 1956. Their services include advertising, branding, digital strategy, social media marketing, and more.

Taxi is an advertising company located in New York, New York. The firm focuses on advertising, branding, digital strategy, social media marketing, and more and has a large team.The firm was founded in 1992.

Momentum Worldwide is an advertising company. Launched in 1987, the large firm is in New York, New York; St. Louis, Missouri and São Paulo, Brazil. Their services include advertising, branding, digital strategy, social media marketing, and more.

LiquidHub is a customer engagement company headquartered in Atlanta, with an office in Wayne, Pa. Founded in 1994, LiquidHub's team of almost 1,700 employees specializes in advertising, branding, web design, social media marketing, and digital strategy.

Ketchum is a large advertising company based in New York, New York; Chicago, Illinois; London, United Kingdom and São Paulo, Brazil. Established in 1923, the team offers advertising, branding, digital strategy, social media marketing, and more.

Lamar Advertising is a large advertising company. Founded in 1902, the agency is in Baton Rouge, Louisiana; Pittsburgh, Pennsylvania; Los Angeles, California and New York, New York. Their services include advertising, branding, digital strategy, social media marketing, and more.

TBC is a full-service advertising agency founded in 1974 and based in Baltimore, Md. The agency has nearly 1,500 employees. TBC specializes in web design, social media marketing, digital strategy, advertising, and branding.

Yodle is a web design company. Their large team is headquartered in New York, New York; Phoenix, ; Charlotte, and Austin, Texas, . Their services include web design, search engine optimization, email marketing, social media marketing, and more. The company was established in 2005.

ZS Associates, an user experience agency, was founded in 1983. Their large team is based in Chicago, Illinois; New York, New York; London, United Kingdom and Singapore, Singapore. The agency specializes in ux/ui design, cloud consulting & SI, graphic design, mobile & app marketing, and more.

The Castle Group is a midsize social media marketing company. They provide social media marketing, public relations, and content marketing and were established in 1996. The agency is headquartered in Boston, Massachusetts.

Founded in 2010, Adaptly is a social media marketing agency. Their midsize team is in New York, New York; Chicago, ; Los Angeles, and London, United Kingdom and offers social media marketing, advertising, digital strategy, and marketing strategy.

Advertising company Dealer.com was launched in 1997. They are headquartered in Burlington, Vermont; Dallas, Texas; Kansas, Missouri and Los Angeles, California and have a large team. Their services include advertising, search engine optimization, social media marketing, digital strategy, and more.

LiveArea is an UX design company. Founded in 1999, the team specializes in ux/ui design, conversion optimization, email marketing, search engine optimization, and more. Their large company is in Seattle, Washington; London , United Kingdom and Dallas, Texas.

Ogilvy Public Relations London, a content marketing company, was established in 1980. The firm provides content marketing, marketing strategy, public relations, social media marketing, and more and has a large team.

DP+ is a marketing firm that has offices in Farmington Hills, MI and Detroit, MI. Founded in 1997, DP+'s team of over 1,000 employees have over two decades of experience in SEO, digital strategy, and branding.