Top 100 SEO Companies in California
The Best of September 2026Looking for a top SEO firm in California?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California SEO Firms
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1501$5,000+2 - 9 employeesSan Diego, CARead More
Launched in 2016, Zettist is an other marketing company. The small team offers other marketing, digital strategy, social media marketing, content marketing, and more. The company is in San Diego, California.
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1502$25,000+2 - 9 employeesSan Francisco, CADanton GTM is a SEO services firm. They specialize in Search Engine Optimization, Content Marketing, Performance Marketing, Account-Based Marketing, and more and were established in 2023. Their small team is San Francisco, California-based.Read More
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1503$5,000+50 - 249 employeesTorrance, CALaunched in 2011, OMNI Digital Agency is a SEO services firm. The team focuses on Search Engine Optimization and Branding and is based in Torrance, California.Read More
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1504$1,000+10 - 49 employeesSanta Monica, CANeige Marketing is a social media marketing company. They were founded in 2014 and offer Social Media Marketing and Conversion Optimization.Read More
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1505$1,000+2 - 9 employeesSan Diego, CARedideo Studio - Creative Agency San Diego, a branding agency, is headquartered in San Diego, California. They specialize in Branding and Video Production.Read More
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iHeartMediaIndustries
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1506$5,000+10 - 49 employeesSan Diego, CANeil Patel Digital India, a small SEO company, is in Bengaluru, India and San Diego, California. The team provides Search Engine Optimization and Content Marketing.Read More
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1507$1,000+2 - 9 employeesSan Jose, CADirection.com is a small SEO company based in Austin, Texas; Draper, Utah; San Jose, California and Austin, Texas. Founded in 2016, the team specializes in Search Engine Optimization.Read More
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1508$1,000+Freelancer employeesHalf Moon Bay, CANarratives by Nazar is a social media marketing company. Established in 2025, the team specializes in Social Media Marketing, Search Engine Optimization, Email Marketing, and Web Design. Their small agency is Half Moon Bay, California-based.Read More
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1509$1,000+10 - 49 employeesBeverly Hills, CAThe Brainchild Group is a SEO services firm. They offer Search Engine Optimization and Social Media Marketing and are in Beverly Hills, California.Read More
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1510Undisclosed2 - 9 employeesGlendale, CAAlecan Marketing Solutions, Inc is a SEO services firm. The firm is in Glendale, California. Their services include Search Engine Optimization.Read More
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1511$1,000+2 - 9 employeesThousand Oaks, CARead More
BUILD A BETTER WEBSITE LLC, a web design company, was launched in 2020. The small team specializes in web design, web development, digital strategy, ux/ui design, and more. The agency is headquartered in Thousand Oaks, California.
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1512Undisclosed2 - 9 employeesLong Beach, CARead More
KAMGRAPHICA is a creative digital agency headquartered in Long Beach, CA. Founded in 2015, their team of approximately 3–4 employees provides services like graphic design, web design, and web development. They follow agile methodologies and serve a variety of industries.
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1513$5,000+2 - 9 employeesLos Angeles, CALA Local SEO is a SEO agency. The small Los Angeles, California-based team focuses on Search Engine Optimization and Social Media Marketing. The agency was founded in 2015.Read More
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1514$5,000+2 - 9 employeesLos Angeles, CAInside Market Strategy is a SEO services firm established in 2014. The team specializes in Search Engine Optimization and Content Marketing.Read More
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1515$5,000+2 - 9 employeesLong Beach, CAFounded in 1998, Pavenet Internet Services is a small Long Beach, California-based SEO services firm. Their services include Search Engine Optimization and Web Design.Read More
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1516Undisclosed2 - 9 employeesMadera, CASMDS is a SEO company. In Madera, California, their team offers Search Engine Optimization and Web Design.Read More
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1517Undisclosed2 - 9 employeesLake Forest, CATrendy Mobile Designs is a SEO agency. Launched in 2015, the team offers Search Engine Optimization and Content Marketing. The agency is based in Lake Forest, California.Read More
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1518Undisclosed2 - 9 employeesVacaville, CACastles Information Network is a web design company. Founded in 1999, the team specializes in Web Design and Search Engine Optimization. The company is headquartered in Vacaville, California.Read More
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1519Undisclosed2 - 9 employeesLancaster, CASpiralmode Design Studio is a SEO company founded in 1999. In Lancaster, California, the team provides Search Engine Optimization and Social Media Marketing.Read More
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1520Undisclosed2 - 9 employeesWest Hollywood, CAAffiliate Marketing company Huge Ape Media was founded in 2005. The company offers Affiliate Marketing and Search Engine Optimization.Read More
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1521Undisclosed2 - 9 employeesLong Beach, CAIn Long Beach, California, Digital Profusion is a SEO company. The team focuses on Search Engine Optimization and Mobile & App Marketing.Read More
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1522Undisclosed2 - 9 employeesYorba Linda, CALocal Magnetic Marketing is a SEO services firm. Their small team of employees is located in Yorba Linda, California. Their team offers Search Engine Optimization and Content Marketing.Read More
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1523Undisclosed2 - 9 employeesHuntington Beach, CAOrange County Marketing Experts, a SEO company, was founded in 2013. The small team provides Search Engine Optimization and Social Media Marketing.Read More
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1524Undisclosed2 - 9 employeesSanta Clarita, CASolid Search Marketing, Inc. Is a pay per click agency. The team focuses on Pay Per Click and Search Engine Optimization and is based in Santa Clarita, California.Read More
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1525Undisclosed2 - 9 employeesSanta Barbara, CALocal SEO Launch is a SEO agency. Founded in 2017, the agency specializes in Search Engine Optimization and Web Design.Read More
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1526Undisclosed2 - 9 employeesLos Angeles, CAHotel SEO Services is a SEO agency. They are headquartered in Tampa, Florida and Las Vegas, Nevada. Their team provides Search Engine Optimization and Content Marketing.Read More
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1527Undisclosed2 - 9 employeesOjai, CATribal Core is a SEO agency. Located in Ojai, California, the team focuses on Search Engine Optimization and Digital Strategy.Read More
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1528Undisclosed2 - 9 employeesIrvine, CACalifornia SEO Company is a SEO company. The Irvine, California-based team provides Search Engine Optimization and Social Media Marketing.Read More
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1529Undisclosed2 - 9 employeesBellflower, CASoCal Digital Agency, a small SEO company, is in Bellflower, California. The team provides Search Engine Optimization and Content Marketing.Read More
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1530$1,000+2 - 9 employeesLos Angeles, CASEO Zila Marketing Agency, a SEO services firm, offer Search Engine Optimization. They were founded in 2016.Read More
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Check out a SEO Company in California with the most new reviews in the past 12 months.
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