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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421$1,000+10 - 49 employeesPalo Alto, CAHeadquartered in Palo Alto, California, WareWink is a small Advertising company. Their services include Advertising and Branding.Read More
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422$5,000+250 - 999 employeesSan Ramon, CAHeadquartered in San Ramon, California and Reading , England, Synverse is an Accounting company. They specialize in Accounting and Advertising.Read More
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423$1,000+10 - 49 employeesSan Diego, CABranding company Rank N Bank focuses on Branding and Content Marketing. They are based in San Diego, California.Read More
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424Undisclosed10 - 49 employeesAltadena, CATrafera.io is a Product Marketing company located in Altadena, California. The small firm was launched in 2025. Their team focuses on Product Marketing, Advertising, Branding, and Market Research.Read More
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425$5,000+10 - 49 employeesOxnard, CAFounded in 2025, Web Neons is a small Advertising company headquartered in Oxnard, California. Their services include Advertising, Branding, Pay Per Click, Search Engine Optimization, and more.Read More
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426$10,000+2 - 9 employeesMalibu, CABANANA Media is an Advertising company. They focus on Advertising and Media Planning & Buying and are located in Malibu, California and Dallas, Texas.Read More
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427Undisclosed2 - 9 employeesLos Angeles, CAWebPower USA, an Advertising company, was launched in 2019. The team focuses on Advertising and UX/UI Design and is in Los Angeles, California.Read More
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428$5,000+10 - 49 employeesCampbell, CAEstablished in 2017, American Blue Collar is a small Advertising company. Their team focuses on Advertising and Branding.Read More
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429$1,000+10 - 49 employeesWalnut, CAAnyFunnels is a Marketing Strategy company. Their team is headquartered in Walnut, California and specializes in Marketing Strategy and Market Research.Read More
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430$1,000+10 - 49 employeesIrvine, CAJuiceboxx Marketing is a social media marketing agency. The team is located in Irvine, California, and their services include Social Media Marketing and Advertising.Read More
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431$1,000+2 - 9 employeesSan Diego, CAAdvertising company The Pixel Network is in San Diego, California. Established in 2015, the team offers Advertising and Content Marketing.Read More
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432$1,000+2 - 9 employeesLos Angeles, CAMediaChron is an Advertising company launched in 2017. Their team provides Advertising and Branding.Read More
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433$5,000+2 - 9 employeesCarlsbad, CAAFMKTG, a Marketing Strategy company, is headquartered in Carlsbad, California. Launched in 2018, the team focuses on Marketing Strategy and Advertising.Read More
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434$5,000+2 - 9 employeesSacramento, CALocal Alpha Marketing LLC, a small Advertising company, is located in Sacramento, California. The team focuses on Advertising and Branding.Read More
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435$10,000+10 - 49 employeesLos Angeles, CARegej & Company, a Marketing Strategy company, is in Los Angeles, California. They offer Marketing Strategy and Branding and were founded in 2019.Read More
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436Undisclosed50 - 249 employeesLos Angeles, CALaunched in 2021, Native Book Publishing is a Content Marketing company. Their services include Content Marketing and Advertising.Read More
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437Undisclosed10 - 49 employeesCommerce, CAGNR8 Media is an Advertising company. Based in Commerce, California, their team offers Advertising and Branding.Read More
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438$10,000+2 - 9 employeesSan Francisco, CASEO agency Digital Ninjas - Digital Marketing San Francisco was founded in 2008. The firm specializes in Search Engine Optimization and Advertising, and is small.Read More
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439$5,000+10 - 49 employeesNewcastle, CASEO company Decrypt SEO is headquartered in Newcastle, California. The team provides Search Engine Optimization and Advertising.Read More
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440$1,000+2 - 9 employeesSierra Madre, CABeri Brands, an Advertising company, was founded in 2022. The team provides Advertising and Branding and is located in Sierra Madre, California.Read More
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441$10,000+10 - 49 employeesMenlo Park, CAUs Agency is an Advertising company. They are headquartered in Menlo Park, California and have small team of experts. Their services include Advertising and Branding.Read More
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442$25,000+50 - 249 employeesSan Francisco, CAReady Set is a Performance Marketing company. The San Francisco, California-based agency was founded in 2019. Their services include Performance Marketing and Advertising.Read More
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443$1,000+10 - 49 employeesLos Angeles, CA360 Social Media Agency is an Advertising company. The small Los Angeles, California-based team focuses on Advertising and Branding. The company was established in 2020.Read More
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444Undisclosed50 - 249 employeesSan Jose, CAGhostwriting Desk is an Austin, Texas-based content writing services company. The company offers content writing services, advertising, and social media marketing and is midsize.The company was launched in 2022.Read More
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445$1,000+10 - 49 employeesLos Angeles, CA33 USA Inc. Is an Advertising company. Headquartered in Los Angeles, California, their small team specializes in Advertising and Branding. The company was established in 2023.Read More
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446Undisclosed2 - 9 employeesLos Angeles, CAEstablished in 2019, Cohen Marketing, a small Advertising company, is located in Los Angeles, California. Their team focuses on Advertising and Social Media Marketing.Read More
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447$1,000+10 - 49 employeesLos Angeles, CAAdvertising company The Dropship Experts is headquartered in Los Angeles, California. Their services include Advertising and Branding.Read More
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448$50,000+50 - 249 employeesRiverside, CAAdvertising company USA Pen Press focuses on Advertising and Branding. They were founded in 2023.Read More
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449Undisclosed2 - 9 employeesLos Angeles, CAHawaii Logistic is a small Advertising company in Los Angeles, California. The team provides Advertising and Branding.Read More
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450Undisclosed10 - 49 employeesIrvine, CARevenue Arc Marketing is an Advertising company. Headquartered in Irvine, California, their small team focuses on Advertising and Branding. The firm was founded in 2021.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
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