Top 100 Advertising Agencies in California
The Best of October 2026Looking for a top advertising agency in California?
Businesses looking to develop a relationship with media outlets should consider working with an advertising agency. Beyond increasing visibility, top agencies are a gateway to a variety of crucial resources, including researchers, designers, SEO/PPC experts, and social media managers.
To assist you in your search for a partner, we’ve compiled this list of the top advertising and marketing companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
Jump to Most Reviewed Companies
List of the Best California Ad and Marketing Companies
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661$5,000+50 - 249 employeesSan Francisco, CAEveo is a midsize Advertising company located in San Francisco, California and New York, New York. The team provides Advertising and Branding.Read More
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662$5,000+250 - 999 employeesSan Francisco, CALaunched in 1997, Swirl is a midsize Advertising company. Their team specializes in Advertising and Branding.Read More
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663$5,000+50 - 249 employeesOakland, CABroadly, an Advertising company, is based in Oakland, California and Orange County, California. They provide Advertising and Branding and were launched in 2013.Read More
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664$5,000+10 - 49 employeesSan Francisco, CAQuestus is a small San Francisco, California-based Advertising company. The team provides Advertising and Branding.Read More
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665$5,000+50 - 249 employeesSan Francisco, CALaunched in 2012, Radius, a midsize Advertising company, is located in San Francisco, California and Atlanta, Georgia. Their team provides Advertising and Branding.Read More
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666$5,000+10 - 49 employeesSantee, CAEye/Comm is an Advertising company. They are in Santee, California, and their services include Advertising and Branding.Read More
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667$5,000+10 - 49 employeesSan Mateo, CAAdvertising company ClickMail Marketing is based in San Mateo, California and Bhubaneswar, India. Established in 2000, the team specializes in Advertising and Branding.Read More
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668$5,000+10 - 49 employeesOakland, CABased in Oakland, California and Bogotá, Colombia, Savicom is a small Email Marketing company. Their services include Email Marketing and Digital Strategy.Read More
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669$5,000+10 - 49 employeesSan Jose, CAETrigue is a small Advertising company. They specialize in Advertising and Branding and were founded in 2011.Read More
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670$5,000+50 - 249 employeesTustin, CALocal Lighthouse is an Advertising company. They are headquartered in Tustin, California and have midsize team. They focus on Advertising and Branding.Read More
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671$5,000+50 - 249 employeesFountain Valley, CALocal Splash is an Advertising company established in 2004. The team offers Advertising and Branding.Read More
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672Undisclosed50 - 249 employeesLos Angeles, CABeCore is an Advertising company established in 1999. The team offers Advertising and Branding and is in Los Angeles, California.Read More
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673$5,000+250 - 999 employeesLos Angeles, CAPhelps is an Advertising company in Los Angeles, California. They offer Advertising and Branding.Read More
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674$1,000+2 - 9 employeesLos Angeles, CAMostly Sunny, an Advertising company, was founded in 2012. The company specializes in Advertising and Branding.Read More
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675$1,000+10 - 49 employeesSan Francisco, CAONWARD Agency is an Advertising company. The firm is in San Francisco, California. Their services include Advertising and Branding.Read More
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676$1,000+2 - 9 employeesSan Francisco, CAEstablished in 2013, Bowtie Media is a small San Francisco, California-based social media marketing agency. Their services include Social Media Marketing and Advertising.Read More
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677$5,000+50 - 249 employeesWest Hollywood, CAIn London, England and New York, New York, Ralph is a midsize Advertising company. Their services include Advertising and Branding.Read More
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678$5,000+10 - 49 employeesCulver City, CANoxster is a small SEO services firm headquartered in Culver City, California. The team offers Search Engine Optimization and Web Design.Read More
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679$5,000+2 - 9 employeesCosta Mesa, CAWebsite Muscle is a Marketing Strategy company based in Costa Mesa, California. They specialize in Marketing Strategy and Social Media Marketing.Read More
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680$5,000+10 - 49 employeesLos Angeles, CACitirex is a SEO agency. Their small team is located in Los Angeles, California. Their services include Search Engine Optimization and Social Media Marketing.Read More
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681$5,000+50 - 249 employeesLos Angeles, CAONTRIX is a graphic design agency. They specialize in Graphic Design and Search Engine Optimization and are based in Los Angeles, California.Read More
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682$1,000+10 - 49 employeesLos Angeles, CALA SEO Service is an Advertising company. Founded in 2009, the company specializes in Advertising and Social Media Marketing.Read More
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683$10,000+250 - 999 employeesSan Francisco, CAGoodby Silverstein & Partners is a SEO company. The team is in San Francisco, California, and their services include Search Engine Optimization and Web Design.Read More
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684$10,000+50 - 249 employeesSan Francisco, CA215 McCann is a midsize Advertising company located in San Francisco, California. Their services include Advertising and Graphic Design.Read More
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685$1,000+10 - 49 employeesSanta Monica, CASABIO mobile is a Mobile & App Marketing company. They are in Santa Monica, California and New York, New York. Their team specializes in Mobile & App Marketing and Advertising.Read More
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686$5,000+2 - 9 employeesSan Francisco, CAPier2 Marketing, a Market Research company, was founded in 2007. The agency specializes in Market Research and Branding.Read More
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687$5,000+2 - 9 employeesSan Francisco, CAChromium is a branding firm. The San Francisco, California-based company was founded in 2012. Their team provides Branding and Graphic Design.Read More
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688$10,000+10 - 49 employeesSan Francisco, CAEstablished in 2008, Pereira & O'Dell is a small SEO agency headquartered in San Francisco, California and New York, New York. Their team provides Search Engine Optimization and Web Design.Read More
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689$5,000+10 - 49 employeesSan Diego, CAFounded in 2008, Ekklesia 360 is a small San Diego, California-based branding agency. Their team specializes in Branding and Advertising.Read More
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690$5,000+10 - 49 employeesSan Diego, CALaunched in 2008, Obu Interactive is a small Advertising company headquartered in San Diego, California. Their team focuses on Advertising and Pay Per Click.Read More
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Check out an Advertising Company in California with the most new reviews in the past 12 months.
Most Reviewed
Advertising Company
California
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- 12 4 new reviews
- 13 3 new reviews
- 14 3 new reviews
- 15 3 new reviews
