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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1441UndisclosedFreelancer employeesOakland, CASOME DAYS is a small Oakland, California-based Advertising company. Their services include Advertising and Graphic Design.Read More
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1442$10,000+10 - 49 employeesIrvine, CALocated in New York, New York and Irvine, California, Dukas Linden is a PR agency. Launched in 2002, the team provides Public Relations and Social Media Marketing.Read More
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1443$1,000+10 - 49 employeesSanta Monica, CACercone Brown Company is a small Boston, Massachusetts-based social media marketing firm. The team offers Social Media Marketing and Branding.Read More
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1444Undisclosed2 - 9 employeesBellflower, CAComplete Printing Solutions is a graphic design company. The team is based in Bellflower, California, and their services include Graphic Design and Commercial Printing.Read More
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1445Undisclosed2 - 9 employeesRedondo Beach, CAHeadquartered in Redondo Beach, California, Spohn Design is a small video production company. Their services include Video Production and Corporate Photography.Read More
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1446$10,000+1,000 - 9,999 employeesLos Angeles, CACohn & Wolfe is an Advertising company. The Los Angeles, California-based team specializes in Advertising and Branding.Read More
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1447Undisclosed10 - 49 employeesLos Angeles, CAHuman is an Advertising company. They are located in Boulder, Colorado and Los Angeles, California. Their team focuses on Advertising and Custom Software Development.Read More
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1448$10,000+250 - 999 employeesEl Segundo, CAR&R Partners is a branding firm based in Phoenix, Arizona and Las Vegas, Nevada. They focus on Branding and Public Relations.Read More
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1449$5,000+10 - 49 employeesLos Angeles, CAJam3 is a SEO agency. The Toronto, Canada-based company was established in 2003. Their team offers Search Engine Optimization and Web Design.Read More
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1450Undisclosed250 - 999 employeesChicago, ILIntegral Ad Science is an Advertising company. They provide Advertising and Branding and were launched in 2009.Read More
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1451Undisclosed250 - 999 employeesSanta Monica, CAGSW is a Toronto, Canada-based Advertising company. They specialize in Advertising and Branding and were founded in 1977.Read More
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1452Undisclosed10 - 49 employeesSan Diego, CADigital Mark Group is an Advertising company. Founded in 2014, their team provides Advertising and Pay Per Click.Read More
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1453Undisclosed2 - 9 employeesSan Diego, CABrainwork is a website development firm founded in 2007. Their services include Web Development and Web Design.Read More
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1454$10,000+50 - 249 employeesLos Angeles, CAAdvertising company Bartle Bogle Hegarty is located in New York, New York and Los Angeles, California. They specialize in Advertising and Branding.Read More
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1455$5,000+250 - 999 employeesLos Angeles, CAMoxie, a Digital Strategy company, was launched in 2000. The midsize team focuses on Digital Strategy and Content Marketing.Read More
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