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.
Jump to Most Reviewed Companies
List of the Best California Ad and Marketing Companies
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271$1,000+10 - 49 employeesSanta Monica, CAHarmonica is a Content Marketing company. The team focuses on Content Marketing and Public Relations, and the firm is based in Santa Monica, California.Read More
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272$1,000+2 - 9 employeesRichmond, CAAngelsmith is an Advertising company. They focus on Advertising and Social Media Marketing and were founded in 2001.Read More
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273$5,000+10 - 49 employeesThousand Oaks, CASmall Advertising company Ad Leverage, is located in Thousand Oaks, California. Their services include Advertising and Pay Per Click.Read More
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274$10,000+50 - 249 employeesSan Francisco, CAIn San Francisco, California and St. Louis , Missouri, H&L Partners is a midsize SEO services firm. The team offers Search Engine Optimization and Web Design.Read More
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275$5,000+10 - 49 employeesCosta Mesa, CAMarketing Strategy company Orange Label was launched in 1972. The firm focuses on Marketing Strategy and Advertising, and is small.Read More
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276$100,000+50 - 249 employeesSan Diego, CADeck 7, Inc is an Advertising company. Established in 2015, the team offers Advertising and Search Engine Optimization. The firm is headquartered in San Diego, California.Read More
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277$50,000+10 - 49 employeesSan Diego, CABellweather Agency is an Advertising company. The Long Island City, New York-based firm focuses on Advertising and Branding.Read More
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278Undisclosed10 - 49 employeesLos Angeles, CAREP Interactive is a Los Angeles, California-based video production agency. The team provides Video Production and Advertising.Read More
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279$10,000+2 - 9 employeesSan Diego, CASocial media marketing company NowADays Media is located in San Diego, California. Their services include Social Media Marketing and Advertising.Read More
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280Undisclosed10 - 49 employeesSan Luis Obispo, CAVerdin, an Advertising company, was established in 2003. The team focuses on Advertising and Branding.Read More
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281$10,000+10 - 49 employeesWalnut Creek, CAEstablished in 2017, MediaJel is an Advertising company. The team focuses on Advertising and Mobile & App Marketing.Read More
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282Undisclosed50 - 249 employeesLaguna Beach, CASAMM Data Services is an Advertising and Marketing Strategy company launched in 1999. The team focuses on Advertising and Marketing Strategy and is in Laguna Beach, California.Read More
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283Undisclosed50 - 249 employeesNewport Beach, CALocated in Newport Beach, California, P11 Creative is a midsize branding firm. The team focuses on Branding and Digital Strategy.Read More
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284Undisclosed10 - 49 employeesLos Angeles, CARAIN is an Advertising company. Based in Los Angeles, California, the firm was established in 2014. Their services include Advertising and Social Media Marketing.Read More
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285$10,000+10 - 49 employeesSan Jose, CAProfitable Media is a branding company. The San Jose, California-based agency was launched in 2008. Their team provides Branding and Performance Marketing.Read More
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286Undisclosed10 - 49 employeesSan Francisco, CAMortar is a branding agency. They were established in 2002, and their services include Branding and Advertising.Read More
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287Undisclosed10 - 49 employeesPasadena, CARateSpecial Interactive is an Advertising and Marketing Strategy company. They are headquartered in Pasadena, California and have small team. They focus on Advertising and Marketing Strategy.Read More
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288$50,000+10 - 49 employeesLaguna Beach, CABranding firm INK Agency was founded in 2007. Located in Laguna Beach, California, the team offers Branding and Other Digital Marketing.Read More
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289$5,000+10 - 49 employeesEl Segundo, CASiltanen & Partners Advertising is an Advertising company. Their team is located in El Segundo, California. The company offers Advertising and Branding.Read More
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290$10,000+2 - 9 employeesLos Angeles, CAAdvertising company Amy Levy PR was established in 2002. The firm provides Advertising and Branding, and is small.Read More
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291$10,000+2 - 9 employeesSausalito, CAKindred Creative Group is a branding firm. The Sausalito, California-based firm was founded in 2009. Their team specializes in Branding and Advertising.Read More
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292$10,000+50 - 249 employeesSan Francisco, CAM/H VCCP is a social media marketing company headquartered in San Francisco, California and New York, New York. They focus on Social Media Marketing and Advertising.Read More
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293Undisclosed10 - 49 employeesSan Diego, CALJG Digital is a small San Diego, California-based Advertising company. The team offers Advertising and Branding.Read More
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294$1,000+2 - 9 employeesSan Francisco, CASpiralgroup is a small Advertising company. They specialize in Advertising and Branding and were established in 1997.Read More
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295$5,000+10 - 49 employeesSan Francisco, CAFounded in 1994, OneWorld Communications is a branding agency. The agency specializes in Branding and Advertising.Read More
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296$5,000+10 - 49 employeesSan Francisco, CAAdvertising company Gauger + Associates specializes in Advertising and Web Design. They were established in 1974.Read More
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297$1,000+10 - 49 employeesSan Diego, CAGrow Team, an Advertising company, is located in San Diego, California. They focus on Advertising and Branding.Read More
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298$5,000+10 - 49 employeesSanta Monica, CAStrausberg Group is a media planning and buying agency. They are in Santa Monica, California and have a small team. Their services include media planning & buying, advertising, web design, market research, and more.Read More
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299Undisclosed2 - 9 employeesSan Francisco, CAA LINE Studio is a San Francisco, California-based Advertising company. The team provides Advertising and Branding.Read More
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300Undisclosed10 - 49 employeesSan Diego, CAEstablished in 2015, Macarta is a small Denver, Colorado-based Advertising company. Their team offers Advertising and Content Marketing.Read More
Industries
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