Top 100 Advertising Agencies in California

Crispin Porter + Bogusky is a full-service advertising agency with nearly 800 employees. Founded in 1988, they are headquartered in Gunbarrel, Colo., and have additional offices in Los Angeles, Miami, Copenhagen, Stockholm, Hong Kong, Beijing, Boulder, Colo., and Brazil. Services include branding, digital and marketing strategy, and media planning and buying. 

Digital strategy company Ready Set Rocket was established in 2009. Their small team is located in New York, New York and Los Angeles, California. Ready Set Rocket focuses on digital strategy, search engine optimization, social media marketing, web design, and more.

Target River is a advertising company launched in 2016. Based in Salt Lake City, Utah and Encinitas, California, their midsize team offers advertising, sales outsourcing, branding, public relations, and more.

Demand generation marketing company WishYoo is located in San Mateo, California. The small team provides demand generation marketing, advertising, branding, other marketing, and more and was founded in 2017.

Founded in 2010, Autus Digital Agency is a SEO agency. The firm specializes in search engine optimization, advertising, public relations, media planning & buying, and more and has a midsize team. The firm is in New Delhi, India; San Jose, California; New York, New York and Toronto, Canada.

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.

The Sandbox Agency, an advertising company, is based in Newport Beach, California; Chicago, Illinois; Kansas City, Missouri and New York, New York. The midsize company was established in 2013. Their services include advertising, digital strategy, email marketing, market research, and more.

Founded in 2011, Sayone digital is a advertising company. The midsize team focuses on advertising, social media marketing, content marketing, search engine optimization, and more. The company is located in Kakkanad, India.

Founded in 1986, Mod Op is an advertising company. Their midsize team is headquartered in Miami, Florida; New York, New York; Los Angeles, California and Portland, Oregon. Their team focuses on advertising, branding, digital strategy, marketing strategy, and more.

Type G is a branding company. They are based in Solana Beach, California and have a small team. Their services include branding, advertising, packaging design, and web design.

Ha Design Studio is a small advertising company. They provide advertising, ux/ui design, branding, e-commerce development, and more and were launched in 2007. The agency is based in San Jose, California.

562CREATIVES Design Firm is an advertising company established in 2013. They are based in Whittier, California and have a small team. Their services include advertising, branding, graphic design, logo, and more.

Web development firm Wiredhat Interactive is based in Thousand Oaks, California. Founded in 1995, the small team provides web development, web design, advertising, branding, and more.

Gerbo Designs is a Modesto, California-based graphic design company. The small team offers graphic design, branding, web design, advertising, and more and was established in 2007.

M&C Saatchi Performance, a media planning & buying agency, is based in New York, New York. The midsize company was established in 2006. Their services include media planning & buying, digital strategy, and advertising.

Launched in 2013, Mobvista is an advertising company. The midsize Guangzhou, China-based team specializes in advertising, mobile & app marketing, digital strategy, and marketing strategy.

Small advertising company Goozleology Inc, is based in San Diego, California. They provide advertising, content marketing, search engine optimization, web design, and more and were established in 2003.

Sonya Lee International is an advertising company. Their small team is located in Huntington Beach, California and offers advertising, ux/ui design, branding, digital strategy, and more. The agency was founded in 2006.

UpShift is an advertising and design firm that was founded in 2002. Their small team of 9 has offices in Santa Barbara, Calif. and Chicago. UpShift specializes in advertising, branding, and digital strategy.

Intango, an advertising company, is headquartered in Tel Aviv-Yafo, Israel; New York, New York and Los Angeles, California. The midsize company was established in 2008. Their services include advertising, affiliate marketing, conversion optimization, and media planning & buying.

Founded in 2012, Coexist Media is an user experience design agency. They are located in Santa Barbara, California and have a small team. The company offers ux/ui design, Artificial Intelligence, digital strategy, marketing strategy, and more.

Whole Whale is an advertising company founded in 2010. Their small team is located in Brooklyn, New York; San Francisco, California and Munich, Germany and offers advertising, social media marketing, digital strategy, email marketing, and more.

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.

Wolff Olins is an advertising company launched in 1965. The midsize New York, New York-based team provides advertising, branding, digital strategy, social media marketing, and more.

MOI Global is a Weybridge, United Kingdom-based advertising company. They provide advertising, branding, content marketing, search engine optimization, and more and were founded in 1987.

Purple PR is a digital strategy company. Their midsize team is based in London, United Kingdom; New York, New York and West Hollywood, California and focuses on digital strategy, advertising, content marketing, media planning & buying, and more. The company was founded in 1997.

The Metrick System is an advertising company founded in 1991. The small Toronto, Canada-based team offers advertising, branding, social media marketing, video production, and more.

Founded in 1981, Cox Media is a large advertising company headquartered in Atlanta, Georgia; Phoenix, Arizona; San Diego, California and Pensacola, Florida. Their services include advertising, digital strategy, media planning & buying, and video production.

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. 

SOME DAYS is a small advertising company based in Oakland, California. They provide advertising, graphic design, logo, branding, and more and were launched in 2017.