Top 100 Inbound Marketing Agencies in California
The Best of December 2025Looking for a top inbound agency in California?
A dynamic and thoughtful inbound marketing strategy can be the key to success for your business.
To assist you in your search for a partner, we’ve compiled this list of the top inbound marketing companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California Inbound Marketing Companies
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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$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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3$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.
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4$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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5$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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6$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.
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7$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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8$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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9$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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10$10,000+10 - 49 employeesSan Diego, CALocated in San Diego, California, WISE Digital Partners is a SEO company. The small team provides Search Engine Optimization, Pay Per Click, Web Design, Web Development, and more and was established in 2016.Read More
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11$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.
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12$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.
Clients
Peninsula General InsuranceIndustries
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13$50,000+10 - 49 employeesSan Francisco, CARead More
CSTMR is a SEO company. Their small team is headquartered in Bee Cave, Texas and San Francisco, California. The agency provides Search Engine Optimization, Pay Per Click, Web Design, Advertising, and more. The agency was founded in 2014.
Clients
CreditKarmaIndustries
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14$50,000+10 - 49 employeesSan Francisco, CARead More
RSO Consulting is a small pay per click agency in San Francisco, California. They specialize in Pay Per Click, Search Engine Optimization, Social Media Marketing, Conversion Optimization, and more and were founded in 2006.
Clients
Adobe Alsco Uniforms ADLINK Technology Inc. La Scuola International SchoolIndustries
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15$25,000+10 - 49 employeesSan Francisco, CARead More
Marketing Strategy company Tendo Communications was launched in 1999. Headquartered in San Francisco, California and Washington, District of Columbia, their small team specializes in Marketing Strategy, Digital Strategy, Content Marketing, Content Writing Services, and more.
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16$10,000+10 - 49 employeesRedondo Beach, CABLND PR is a PR agency. The small Redondo Beach, California-based company was established in 2014. Their team offers Public Relations, Social Media Marketing, Branding, Media Planning & Buying, and more.Read More
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17$1,000+10 - 49 employeesCosta Mesa, CABrandastic.com is a Digital Strategy company based in Costa Mesa, California; Los Angeles, California and Austin, Texas. They focus on Digital Strategy, Pay Per Click, Social Media Marketing, Search Engine Optimization, and more and were established in 2010.Read More
Clients
Kingston Technology / HyperX -
18$1,000+10 - 49 employeesSan Diego, CARead More
ATTN Agency is a full-service digital marketing agency founded in 2018 in San Diego. Their team of no more than 10 offers email marketing, social media marketing, and PPC solutions for small and mid-market firms in the fields of e-commerce, retail, and consumer products.
Clients
TALENTLESSIndustries
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19$5,000+2 - 9 employeesAnaheim, CARead More
Headquartered in Anaheim, California and Anaheim, California, Search Engine Projects is a SEO company. The small firm was founded in 2004. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, and Digital Strategy.
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Law Firm MarketingIndustries
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20$5,000+10 - 49 employeesSan Francisco, CASecret Sushi, Inc is a small Marketing Strategy company. They provide Marketing Strategy, Digital Strategy, Content Marketing, Pay Per Click, and more and were founded in 2006. The company is based in San Francisco, California.Read More
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21$10,000+10 - 49 employeesSan Diego, CARead More
Since 2014, Brandetize have worked with clients providing digital strategies, content marketing, SEO, social media marketing and conversion optimization services. Headquartered in San Diego, a team of 50 focus client efforts on Facebook Advertising, Google AdWords, Instagram advertising, and influencer marketing
Clients
The Good Feet StoreIndustries
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22$5,000+10 - 49 employeesCarlsbad, CARead More
Eboost Consulting, a social media marketing agency, is headquartered in Carlsbad, California. The small team specializes in Social Media Marketing, Digital Strategy, and Pay Per Click and was founded in 2005.
Clients
Tat2xIndustries
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23$1,000+10 - 49 employeesSan Francisco, CAEstablished in 2017, Sensters is a small graphic design agency. Their team provides Graphic Design, Advertising, Digital Strategy, Mobile & App Marketing, and more. The agency is in Kyiv, Ukraine and San Francisco, California.Read More
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24$5,000+10 - 49 employeesIrvine, CABeyond Fifteen Communications Inc. Is a public relations company and social media marketing firm founded in 2009. The firm provides public relations and social media marketing and has a small team.Read More
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25$5,000+2 - 9 employeesLos Angeles, CARead More
Zammo Digital, a PPC agency, was established in 2008. They are in Los Angeles, California and have a small team. Zammo Digital offers pay per click, conversion optimization, social media marketing, and digital strategy.
Clients
InVisionIndustries
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26$5,000+10 - 49 employeesSan Diego, CAFirst Spark Digital is a small social media marketing agency. They specialize in Social Media Marketing, Video Marketing, Digital Strategy, Pay Per Click, and more and were launched in 2019. The agency is located in San Diego, California.Read More
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27$5,000+10 - 49 employeesSan Francisco, CARead More
Stackmatix is a marketing consulting agency based in San Francisco. Established in 2018, there are two people on the team. Their services include digital strategy, social media marketing, and pay per click advertising.
Clients
Invisible TechnologiesIndustries
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28$50,000+10 - 49 employeesMill Valley, CAE29 Marketing is a Marketing Strategy company launched in 2017. They are located in Mill Valley, California and Mill Valley, California and have a small team. Their services include Marketing Strategy, Advertising, Digital Strategy, Social Media Marketing, and more.Read More
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29$50,000+2 - 9 employeesSausalito, CALaunched in 2010, Division of Labor is an Advertising company. Their small team is in Sausalito, California and Larkspur, California. Their team specializes in Advertising, Digital Strategy, Branding, Media Planning & Buying, and more.Read More
Clients
San Jose SharksIndustries
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30$25,000+10 - 49 employeesSan Francisco, CARead More
Launched in 2017, Wunderdogs is a branding agency. Their small team is based in San Francisco, California and Seattle, Washington. Their services include Branding, Web Design, Marketing Strategy, Digital Strategy, and more.
Clients
ShellIndustries
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