Top 100 SEO Companies in California
The Best of December 2025Looking 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.
Jump to Most Reviewed Companies
List of the Best California SEO Firms
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$1,000+50 - 249 employeesSan Antonio, TXFunnel Boost Media is a SEO company. They are located in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California and have a midsize team that focuses on Search Engine Optimization, Advertising, Pay Per Click, and Web Design. The agency was launched in 2012.Read More
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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1651$5,000+10 - 49 employeesSan Francisco, CAIn San Francisco, California, Integrated Marketing Partners is an Advertising company. Launched in 1999, the team provides Advertising and Branding.Read More
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1652$5,000+10 - 49 employeesRedlands, CASmall Advertising company Whitefrog Design, is in Redlands, California. The team focuses on Advertising and Branding.Read More
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1653$5,000+10 - 49 employeesSan Francisco, CAAdvertising company Ready State was launched in 2013. The team offers Advertising and Branding and is in San Francisco, California.Read More
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1654$5,000+10 - 49 employeesFresno, CAMarketing Plus, an Advertising company, was founded in 1984. The small team provides Advertising and Branding.Read More
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1655$5,000+10 - 49 employeesLong Beach, CAMedia Partners Worldwide is a small Advertising company launched in 1997. Their team focuses on Advertising and Branding.Read More
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1656$5,000+10 - 49 employeesLos Angeles, CAAdvertising company Fresh Interactive is in Los Angeles, California. The team provides Advertising and Branding.Read More
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1657$5,000+10 - 49 employeesLos Angeles, CAA2G (A Squared Group) is an Advertising company. In Los Angeles, California, the agency was established in 2005. Their team provides Advertising and Branding.Read More
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1658$5,000+10 - 49 employeesSacramento, CAIDMLOCO is a Sacramento, California-based Advertising company. Their services include Advertising and Branding.Read More
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1659$5,000+10 - 49 employeesSan Francisco, CAOdopod is an Advertising company. Launched in 2000, the firm is located in San Francisco, California. Their services include Advertising and Branding.Read More
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1660$5,000+10 - 49 employeesSan Francisco, CAQuestus is a small San Francisco, California-based Advertising company. The team provides Advertising and Branding.Read More
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1661$5,000+10 - 49 employeesSacramento, CALee Marketing and Advertising Group is a Content Marketing company. The Sacramento, California-based company provides Content Marketing and Search Engine Optimization.Read More
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1662$5,000+10 - 49 employeesSantee, CAEye/Comm is an Advertising company. They are in Santee, California, and their services include Advertising and Branding.Read More
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1663$5,000+10 - 49 employeesSan Mateo, CAAdvertising company ClickMail Marketing is based in San Mateo, California and Bhubaneswar, India. Established in 2000, the team specializes in Advertising and Branding.Read More
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1664$5,000+10 - 49 employeesSan Jose, CAETrigue is a small Advertising company. They specialize in Advertising and Branding and were founded in 2011.Read More
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1665$1,000+10 - 49 employeesLos Angeles, CAEmarketed is a small pay per click company. Founded in 1998, the team offers Pay Per Click and Search Engine Optimization.Read More
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1666$5,000+10 - 49 employeesWest Hollywood, CAUrge Interactive is a graphic design agency. They were launched in 2003 and provide Graphic Design and Pay Per Click.Read More
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1667$5,000+10 - 49 employeesMonterey Park, CATys Creative is a branding agency established in 1996. Headquartered in Monterey Park, California and , the team focuses on Branding and Search Engine Optimization.Read More
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1668$5,000+10 - 49 employeesLos Angeles, CACitirex is a SEO agency. Their small team is located in Los Angeles, California. Their services include Search Engine Optimization and Social Media Marketing.Read More
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1669$5,000+10 - 49 employeesSan Francisco, CADigital Reach Agency is a Content Marketing company. The San Francisco, California-based company was established in 2011. Their services include Content Marketing and Search Engine Optimization.Read More
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1670$1,000+10 - 49 employeesLos Angeles, CALA SEO Service is an Advertising company. Founded in 2009, the company specializes in Advertising and Social Media Marketing.Read More
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1671$10,000+10 - 49 employeesSan Francisco, CAEstablished in 2008, Pereira & O'Dell is a small SEO agency headquartered in San Francisco, California and New York, New York. Their team provides Search Engine Optimization and Web Design.Read More
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1672$5,000+10 - 49 employeesSan Diego, CALaunched in 1999, Ninthlink is a small San Diego, California-based SEO agency. Their team focuses on Search Engine Optimization and Web Design.Read More
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1673$5,000+10 - 49 employeesSan Diego, CALaunched in 2008, Obu Interactive is a small Advertising company headquartered in San Diego, California. Their team focuses on Advertising and Pay Per Click.Read More
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1674$5,000+10 - 49 employeesLaguna Beach, CAWebJaguar is a branding company. Headquartered in Laguna Beach, California, the team provides Branding and Search Engine Optimization.Read More
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1675$1,000+10 - 49 employeesIrvine, CAUpfront Consultants is an e-commerce development company launched in 2010. Their services include E-Commerce Development and Search Engine Optimization.Read More
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1676$5,000+10 - 49 employeesSan Jose, CADemand Boost is an Advertising company. The small San Jose, California-based team specializes in Advertising and Social Media Marketing. The agency was established in 2010.Read More
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1677$5,000+10 - 49 employeesSan Jose, CAIn San Jose, California, Evergreen Software Co. Is a branding company. Their services include Branding and Search Engine Optimization.Read More
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1678$5,000+10 - 49 employeesTustin, CABased in Tustin, California, The Art of Online Marketing is a small Digital Strategy company. The team specializes in Digital Strategy and Social Media Marketing.Read More
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1679$5,000+10 - 49 employeesSanta Monica, CAKlick Communications is a Digital Strategy company. Founded in 2008, their team provides Digital Strategy and Public Relations.Read More
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1680Undisclosed10 - 49 employeesSan Francisco, CAHeadquartered in San Francisco, California, PR Hacker is a small branding agency. The team offers Branding and Event Marketing.Read More
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