Top 100 Advertising Agencies in California
The Best of December 2025Looking 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.
>List of the Best California Ad and Marketing Companies
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631$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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632$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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633$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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634$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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635$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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636Undisclosed50 - 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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637$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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638$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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639$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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640$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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641$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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642$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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643$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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644$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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645$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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646$5,000+2 - 9 employeesLos Angeles, CAHYPER, an Advertising company, provide Advertising and Mobile App Development. They were launched in 2016.Read More
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647$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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648$5,000+10 - 49 employeesLos Angeles, CALaunched in 1970, Bright Design is a branding firm. The team focuses on Branding and Packaging Design and is based in Los Angeles, California.Read More
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649$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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650$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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651$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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652$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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653$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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654$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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655$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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656$5,000+10 - 49 employeesSan Diego, CAKatana Media is an Advertising company launched in 2013. Their team provides Advertising and Digital Strategy.Read More
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657$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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658$5,000+2 - 9 employeesSan Diego, CAESearch Marketing is a small San Diego, California-based Advertising company. Their services include Advertising and Pay Per Click.Read More
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659$5,000+50 - 249 employeesSan Francisco, CACreative Marketing Concepts is a branding firm established in 1962. The firm offers Branding and Advertising, and is midsize.Read More
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660$5,000+2 - 9 employeesSan Francisco, CAAgencyAxis is a small Advertising company located in San Francisco, California. The team provides Advertising and Branding.Read More
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