Top 100 Digital Marketing Companies in California
The Best of December 2025Looking for a top digital marketing agency in California?
Digital marketing has forever changed how companies attract customers and generate revenue. If you’re considering hiring an online marketing company to help you boost your brand image, position your company in search rankings, or manage your social media presence, we're here to help.
To assist you in your search for a partner, we’ve compiled this list of the top digital marketing companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Online Marketing Agencies
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1$1,000+50 - 249 employeesCosta Mesa, CARead More
Based in Costa Mesa, California; Raleigh, North Carolina and Austin, Texas, KlientBoost is a pay per click agency. Launched in 2015, the midsize team offers Pay Per Click, Advertising, Social Media Marketing, Conversion Optimization, and more.
Clients
BloombergIndustries
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2$50,000+50 - 249 employeesSan Francisco, CAVictorious is a SEO company. Launched in 2013, the team offers Search Engine Optimization, Content Marketing, and Web Development. Their midsize firm is located in San Francisco, California.Read More
Clients
Agora Wayfair Spotify University of MiamiIndustries
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3$10,000+250 - 999 employeesSan Diego, CAIgnite Visibility is a midsize SEO agency established in 2013. Their team focuses on Search Engine Optimization, Pay Per Click, Web Design, Social Media Marketing, and more. The agency is in San Diego, California; Orlando, Florida and Orlando, Florida.Read More
Clients
Tony Robbins Wawanesa The General Insurance ExperianIndustries
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4$1,000+50 - 249 employeesLos Angeles, CARead More
HawkSEM is a pay per click company. Launched in 2006, the midsize agency is based in Los Angeles, California. Their services include Pay Per Click, Search Engine Optimization, and Social Media Marketing.
Clients
Microsoft Honda DataDog NikeIndustries
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5$1,000+10 - 49 employeesSan Francisco, CARead More
Jives Media is a SEO company. The small San Francisco, California-based agency was launched in 2012. Their team specializes in Search Engine Optimization, Pay Per Click, Advertising, Branding, and more.
Clients
OracleIndustries
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6$1,000+10 - 49 employeesCulver City, CARead More
Small PPC company Amazon Growth Lab, is headquartered in Culver City, California. They offer pay per click, digital strategy, conversion optimization, e-commerce development, and more and were founded in 2018.
Clients
Home Depot Raybans Gucci MarlowIndustries
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7$1,000+2 - 9 employeesAnaheim, CASEO agency Zupo was launched in 2019. The firm focuses on Search Engine Optimization and has a small team.Read More
Clients
VincitIndustries
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8$1,000+50 - 249 employeesLos Angeles, CARead More
Launched in 2009, Coalition Technologies is a SEO company. Their midsize team is based in Los Angeles, California; Seattle, Washington and Austin, Texas. Their team specializes in Search Engine Optimization, Pay Per Click, Web Design, and Web Development.
Clients
PayPalIndustries
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9$1,000+10 - 49 employeesSan Diego, CANextLeft is a SEO services firm. The San Diego, California-based agency was launched in 2015. The small team offers Search Engine Optimization, Content Marketing, and Pay Per Click.Read More
Clients
Hallmark Inc.Industries
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10$5,000+250 - 999 employeesSan Diego, CARead More
Founded in 2012, Power Digital is a social media marketing agency. They are based in San Diego, California; New York, New York and Arlington, Virginia and have a midsize team. Their services include Social Media Marketing, Search Engine Optimization, Pay Per Click, Advertising, and more.
Clients
TOMSIndustries
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11$5,000+10 - 49 employeesIrvine, CARead More
Flying V Group, founded in 2016, is a digital marketing company headquartered in Irvine, Calif. The company’s team of 7 employees provide content marketing, PPC, SEO, social media marketing, and web design services to mid-market, small, and enterprise businesses. The businesses they serve are in a variety of industries including the advertising & marketing, business services, and financial services industries.
Clients
American AirlinesIndustries
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12$10,000+10 - 49 employeesSunnyvale, CARead More
Located in Sunnyvale, California; San Jose, California and New York, New York, Dizzain is a PPC company. The small company was established in 2006. Their services include Pay Per Click, Social Media Marketing, and Web Design.
Clients
Skai™ I KenshooIndustries
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13$1,000+50 - 249 employeesSan Diego, CARead More
Titan Growth is a marketing and advertising firm based in San Diego, Calif. and founded in 2004. Titan Growth's team of about 45 employees primarily offers digital strategy services, although it also offers search engine optimization and pay per click services.
Clients
MizunoIndustries
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14$5,000+10 - 49 employeesLa Mirada, CARead More
Wiideman Consulting Group is a marketing and advertising agency founded in 2015. Located in La Mirada, Calif., their team of about 15 employees specializes in providing SEO and marketing strategy services and consulting chiefly to small and medium-sized businesses across various industries. Other services include audits, search engine marketing, and more.
Clients
IHOPIndustries
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15$5,000+10 - 49 employeesLos Angeles, CATop Growth Marketing INC is an Email Marketing company established in 2012. Their small team is headquartered in Los Angeles, California. The firm offers Email Marketing, Pay Per Click, Ecommerce Marketing, Digital Strategy, and more.Read More
Clients
AppSumoIndustries
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16$1,000+50 - 249 employeesSan Jose, CARead More
Gummicube, Inc., a Mobile & App Marketing company, was launched in 2010. They are based in San Jose, California and have a midsize team. Gummicube, Inc. Specializes in Mobile & App Marketing, Mobile App Development, and Digital Strategy.
Industries
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17$10,000+10 - 49 employeesLos Angeles, CARead More
Social House, Inc. Is a small media planning and buying agency. Located in Los Angeles, California and Los Angeles, California, the agency was established in 2011. Their services include Media Planning & Buying, Digital Strategy, Social Media Marketing, and Content Marketing.
Industries
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18$5,000+2 - 9 employeesSan Diego, CARead More
Coast Digital, a social media marketing firm, is located in San Diego, California; Santa Monica, California and New York, New York. The small agency was established in 2019. Their services include Social Media Marketing, Pay Per Click, Graphic Design, and Video Production.
Clients
Barstool SportsIndustries
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19$5,000+10 - 49 employeesWest Hollywood, CAElk Marketing is a Marketing Strategy company located in West Hollywood, California. The small agency was founded in 2016. Their team focuses on Marketing Strategy, Search Engine Optimization, Pay Per Click, and Social Media Marketing.Read More
Clients
Arc'TeryxIndustries
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20$5,000+50 - 249 employeesBurlingame, CARead More
Midsize pay per click company Linear, is located in Sandy, Utah; Burlingame, California and Vernon Hills, Illinois. Launched in 2013, the team offers Pay Per Click, Social Media Marketing, and Conversion Optimization.
Clients
Ordermark Domino's Klar BetabrandIndustries
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21$1,000+2 - 9 employeesSan Jose, CARead More
Founded in 2011, Spectrum Group Online is a digital marketing agency that prides itself on transparency and effective strategies. Based in San Francisco, its 8 person team provides SEO, PPC, web design, social media, and content marketing solutions to their small business customers.
Clients
United Way Bay AreaIndustries
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22$5,000+50 - 249 employeesIrvine, CADirective is a midsize PPC agency. They specialize in Pay Per Click, Demand Generation Marketing, Content Marketing, Search Engine Optimization, and more and were founded in 2014.Read More
Clients
Betterment Samsung SDS Sendoso GongIndustries
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23$5,000+10 - 49 employeesBeverly Hills, CARead More
Icepop is a social media marketing agency. The small Beverly Hills, California-based team provides Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Design, and more. The company was launched in 2017.
Clients
FabFitFun Citizen Madhappy AtomsIndustries
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24$1,000+2 - 9 employeesEl Segundo, CARead More
NYMO & Co. Is an Affiliate Marketing company. They specialize in Affiliate Marketing, Social Media Marketing, and Public Relations and were founded in 2017. The agency is headquartered in El Segundo, California.
Clients
smitheyIndustries
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25$5,000+10 - 49 employeesLos Angeles, CARead More
Social media marketing agency Thought Catalog Agency is headquartered in Los Angeles, California and Brooklyn, New York. The small agency was launched in 2010. Their services include Social Media Marketing, Content Marketing, Search Engine Optimization, Digital Strategy, and more.
Industries
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26$1,000+50 - 249 employeesSan Diego, CARead More
Radd Interactive is a technical SEO and PPC agency based in San Diego. This company was founded in 2012 and has 50 employees. Services provided by Radd Interactive are exclusively focused on SEO and PPC.
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Medterra -
27$1,000+10 - 49 employeesSan Diego, CARead More
Reporter Outreach is a PR agency and SEO services firm established in 2017. Their small team is in San Diego, California. The agency offers public relations and search engine optimization.
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28$1,000+2 - 9 employeesManhattan Beach, CARead More
eMaximize is a digital marketing agency based in Manhattan Beach, Calif. With fewer than 10 employees, the agency has specialized in SEO, social media marketing, branding, and more since 2008. They primarily serve small to mid-sized businesses alike in the hospitality, consumer products, and healthcare fields.
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Peninsula General InsuranceIndustries
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29Undisclosed10 - 49 employeesWestlake Village, CARead More
Founded in 2010, Sachs Marketing Group is a local SEO firm based in Westlake Village, California. With a team of approximately 15 employees, Sachs Marketing Group assists clients with SEO, web design, and social media marketing.The client appreciated that Sachs Marketing Group was highly responsive and able to achieve a first page ranking for nearly all keywords the client identified, with an ongoing commitment to achieving more difficult keyword results.
Clients
BMWIndustries
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30$5,000+50 - 249 employeesCosta Mesa, CARead More
Bastion Agency is a Costa Mesa, California-based pay per click agency. The midsize team focuses on Pay Per Click, Public Relations, Market Research, Social Media Marketing, and more and was founded in 2008.
Clients
IFG World BLOOM FRESH Kayco AvalaraIndustries
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