Top 100 Advertising Agencies in California
The Best of April 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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391$1,000+250 - 999 employeesSan Diego, CAIn San Diego, California, Oxford Book Writers is a Content Writing Services company. Their services include Content Writing Services and Business Consulting.Read More
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392Undisclosed2 - 9 employeesPasadena, CARedirect Marketing Group is an Advertising company located in Pasadena, California. They offer Advertising and Marketing Strategy and were launched in 2007.Read More
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393$1,000+50 - 249 employeesSan Francisco, CAHearst Bay Area is a SEO agency. They are located in San Francisco, California and have midsize team of experts. Their services include Search Engine Optimization and Advertising.Read More
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394$1,000+2 - 9 employeesLos Angeles, CAWhatswiz, an Advertising company, is located in Los Angeles, California. They specialize in Advertising and Other Digital Marketing and were founded in 2025.Read More
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395Undisclosed10 - 49 employeesBuena Park, CAUniversal Mailworks is an Advertising company. Founded in 2010, the company specializes in Advertising and Direct Marketing.Read More
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396$1,000+2 - 9 employeesGlendale, CAData Hunters is a branding agency. The Glendale, California-based company was established in 2016. Their services include Branding and Social Media Marketing.Read More
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397Undisclosed2 - 9 employeesLos Angeles, CAGeneration Marketing, a Digital Strategy company, was established in 2018. The team offers Digital Strategy and Marketing Strategy.Read More
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398$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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399$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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400$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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401$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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402$1,000+10 - 49 employeesPalo Alto, CAFounded in 2000, Sell Online Make Money is an Advertising company. The agency specializes in Advertising and Branding.Read More
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403$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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404$5,000+10 - 49 employeesLos Altos, CABased in Los Altos, California, OMParternship is a Business Consulting company. Launched in 2018, the team focuses on Business Consulting and Advertising.Read More
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405$1,000+2 - 9 employeesOxnard, CALaunched in 2012, Revv Marketing Inc. Is an Advertising company. In Oxnard, California, the team offers Advertising and Email Marketing.Read More
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406$5,000+2 - 9 employeesLos Angeles, CAIBCnet is an Advertising company established in 1994. Their team specializes in Advertising and Branding.Read More
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407$25,000+2 - 9 employeesSan Francisco, CATeak is an Advertising company. The San Francisco, California-based company focuses on Advertising and Web Design.Read More
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408$5,000+10 - 49 employeesMission Viejo, CAMomentum Marketing- At the Shelf is an Event Marketing company. The team focuses on Event Marketing and Direct Marketing, and the company is located in Mission Viejo, California.Read More
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409$10,000+10 - 49 employeesMountain View, CAHumanize Designs® is a Mountain View, California-based advertising company. The small team focuses on advertising, branding, web design, and mobile app development. The company was launched in 2023.Read More
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410$5,000+2 - 9 employeesLong Beach, CAIffel International Inc., an Advertising company, was launched in 2006. In Long Beach, California and Anaheim, California, the team focuses on Advertising and Branding.Read More
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411$5,000+2 - 9 employeesLong Beach, CAHeadquartered in Long Beach, California, Proactive SEO Solutions is an Advertising company. They offer Advertising and Branding.Read More
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412$5,000+2 - 9 employeesLos Angeles, CABad Assembly, an Advertising company, was established in 2006. The firm offers Advertising and Branding.Read More
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413$5,000+2 - 9 employeesSan Francisco, CASmall Advertising company glassCanopy, is based in San Francisco, California. Their services include Advertising and Branding.Read More
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414Undisclosed2 - 9 employeesSan Francisco, CABrainchild Creative is an Advertising company. Their small team of employees is in San Francisco, California. Their team focuses on Advertising and Branding.Read More
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415Undisclosed2 - 9 employeesSan Diego, CAEvertype Brand \ Design is a San Diego, California-based graphic design company. Their services include Graphic Design and Branding.Read More
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416Undisclosed10 - 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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417$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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418Undisclosed2 - 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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419$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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420$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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Check out an Advertising Company in California with the most new reviews in the past 12 months.
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