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.
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List of the Best California Ad and Marketing Companies
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511$10,000+10 - 49 employeesSan Diego, CAAmeba Marketing is an Advertising company established in 1996. The agency specializes in Advertising and Branding, and is small.Read More
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512Undisclosed10 - 49 employeesFallbrook, CAShopify FX, a small Advertising company, is located in Fallbrook, California. Their services include Advertising and Branding.Read More
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513$1,000+10 - 49 employeesSan Francisco, CAFairmount Book Publishing, a small Market Research company, is in San Francisco, California. They offer Market Research, Other Digital Marketing, Graphic Design, and Advertising and were launched in 2026.Read More
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514$5,000+2 - 9 employeesPleasanton, CABased in Pleasanton, California, Terzetto Digital is an Advertising company. They offer Advertising and Digital Strategy and were founded in 1995.Read More
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515$5,000+2 - 9 employeesSan Jose, CAConure Media is an Advertising company founded in 2011. The company provides Advertising and Branding, and is small.Read More
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516Undisclosed2 - 9 employeesFresno, CAHeadquartered in Fresno, California, Social Spark is a small Advertising company. The team specializes in Advertising and Branding.Read More
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517$5,000+50 - 249 employeesLos Angeles, CALaunched in 2016, Falcon Ghostwriting is an Advertising company. Their midsize team is in Los Angeles, California. Their team focuses on Advertising, Branding, Product Marketing, Content Marketing, and more.Read More
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518$5,000+2 - 9 employeesIrvine, CAAdvertising company X3 Marketing focuses on Advertising and Video Production. They were founded in 2017.Read More
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519$1,000+Freelancer employeesLos Angeles, CAEstablished in 2015, Website Pro USA is an Advertising company. The company provides Advertising and Branding, and is small.Read More
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520$1,000+10 - 49 employeesWestlake Village, CAOverly Social is a Marketing Strategy company. Their team is headquartered in Westlake Village, California. The company offers Marketing Strategy and Advertising.Read More
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521$5,000+10 - 49 employeesRedwood City, CATecAvy is an Advertising company located in Gurugram, India and Redwood City, California. They focus on Advertising and Back Office Outsourcing.Read More
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522$1,000+10 - 49 employeesSan Francisco, CASmall Advertising company RubyLemon, is located in San Francisco, California. Their services include Advertising and Event Marketing.Read More
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523$1,000+10 - 49 employeesSan Francisco, CAThe Growth Boosters is an Advertising company. They focus on Advertising and Content Marketing and were established in 2018. The agency is based in San Francisco, California.Read More
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524$5,000+2 - 9 employeesLaguna Niguel, CAFOXFORCE, a video production agency, is located in Laguna Niguel, California. Established in 2018, the team specializes in Video Production and Advertising.Read More
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525$1,000+2 - 9 employeesSacramento, CARead More
Small digital strategy company IGNITE Marketing Solutions , is based in T'bilisi, Georgia. Founded in 2021, the team offers digital strategy, advertising, media planning & buying, marketing strategy, and more.
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526$1,000+2 - 9 employeesMurrieta, CASavvy Branding Group is a branding agency. They are located in Murrieta, California and have small team of experts. Their services include Branding and Content Marketing.Read More
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527$1,000+2 - 9 employeesMission Viejo, CASocial media marketing agency donutmilk digital creative agency ltd was established in 2020. The company specializes in Social Media Marketing and Advertising.Read More
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528$1,000+2 - 9 employeesFallbrook, CAFirst Door Marketing is an Advertising company established in 2019. The small team provides Advertising and Social Media Marketing.Read More
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529$1,000+2 - 9 employeesMurrieta, CADabre Marketing, an Advertising company, was launched in 2016. The team provides Advertising and Branding and is based in Murrieta, California.Read More
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530$1,000+2 - 9 employeesVista, CAMariner Marketing is a small Vista, California-based Advertising company. The team specializes in Advertising and Branding.Read More
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531$1,000+2 - 9 employeesIrvine, CAAlchemy Fusion, LLC is an Advertising company launched in 2024. The firm provides Advertising and Digital Strategy, and is small.Read More
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532Undisclosed2 - 9 employeesSanta Clarita, CAVrtek Partners is a Performance Marketing company. Founded in 2026, the team provides Performance Marketing and Search Engine Optimization.Read More
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533$1,000+2 - 9 employeesOrange, CAMetric Monkey Marketing is a small Advertising company based in Orange, California. Their services include Advertising and Marketing Strategy.Read More
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534$1,000+2 - 9 employeesSan Diego, CASan Diego Dental Practice Marketing is a small Advertising company launched in 2020. Their team offers Advertising and UX/UI Design.Read More
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535$5,000+2 - 9 employeesFresno, CASEO services firm Amir Gets Leads specializes in Search Engine Optimization and Advertising. They were launched in 2026.Read More
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536$5,000+2 - 9 employeesPerris, CAThe ARRC is an Advertising company. Founded in 2000, the company is located in Perris, California. Their team focuses on Advertising and Content Marketing.Read More
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537$10,000+10 - 49 employeesSan Francisco, CAEstablished in 2012, Optimism BH is a small Advertising company. Their team focuses on Advertising and Branding.Read More
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538$1,000+50 - 249 employeesSacramento, CAAdvertising company Book Marketing Solutions is located in Sacramento, California. The team focuses on Advertising and Direct Marketing.Read More
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539$1,000+50 - 249 employeesElk Grove, CAPublishmybook is an Advertising company. The team is based in Elk Grove, California, and their services include Advertising and Content Marketing.Read More
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540Undisclosed2 - 9 employeesSan Francisco, CAKnowlify is a video production agency. They are in San Francisco, California and have small team of experts. Their services include Video Production and Social Media Marketing.Read More
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