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
Industries
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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
Industries
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1951Undisclosed2 - 9 employeesManhattan Beach, CA#Hashtag Digital Media Marketing Agency is a branding agency. Their small team of employees is in Manhattan Beach, California. Their team focuses on Branding and Content Marketing.Read More
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1952Undisclosed2 - 9 employeesSanta Ana, CADigital Media Landing is a branding firm. They were launched in 2016 and focus on Branding and Content Marketing.Read More
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1953Undisclosed2 - 9 employeesLa Habra, CAAd Relate Media, a Content Marketing company, was established in 2015. The agency provides Content Marketing and Mobile & App Marketing, and is small.Read More
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1954Undisclosed2 - 9 employeesSanta Ana, CALet’s Bee Social Digital Marketing is a branding firm. The Santa Ana, California-based company was launched in 2016. Their team offers Branding and Content Marketing.Read More
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1955Undisclosed2 - 9 employeesLos Alamitos, CAOmnibeat is a small branding firm. They focus on Branding and Email Marketing and were established in 2011.Read More
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1956Undisclosed2 - 9 employeesFullerton, CAKnockout Web Media Marketing is an Email Marketing company. Their team is based in Fullerton, California and specializes in Email Marketing and Pay Per Click.Read More
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1957Undisclosed2 - 9 employeesCathedral City, CAEstablished in 2007, Rakunn Designs is a small Advertising company headquartered in Cathedral City, California. Their team offers Advertising and Graphic Design.Read More
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1958Undisclosed2 - 9 employeesFullerton, CAChrysalis Web Development is a graphic design agency. In Fullerton, California, the agency was established in 2012. Their services include Graphic Design and Mobile & App Marketing.Read More
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1959Undisclosed2 - 9 employeesLa Palma, CAThe Web Scientists is a small Back Office Outsourcing company based in La Palma, California. The team offers Back Office Outsourcing and Search Engine Optimization.Read More
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1960Undisclosed2 - 9 employeesIrvine, CAH4 Marketing is a Content Marketing company based in Irvine, California. Their services include Content Marketing and Pay Per Click.Read More
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1961Undisclosed2 - 9 employeesOrange, CARaining Fire Interactive is a small Orange, California-based SEO services firm. The team specializes in Search Engine Optimization and Social Media Marketing.Read More
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1962Undisclosed2 - 9 employeesAnaheim, CAHilux Marketing Consultants, a small pay per click agency, is headquartered in Anaheim, California. The team specializes in Pay Per Click and Search Engine Optimization.Read More
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1963Undisclosed2 - 9 employeesBerkeley, CAPR firm McColl Communications was founded in 1989. In Berkeley, California, the team focuses on Public Relations and Media Planning & Buying.Read More
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1964Undisclosed2 - 9 employeesWatsonville, CALaunched in 2008, Contractor Advertising is an Email Marketing company. Their services include Email Marketing and Marketing Strategy.Read More
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1965Undisclosed2 - 9 employeesSan Bernardino, CAAcuMedia Corporation is a branding firm in San Bernardino, California. Established in 2005, the team offers Branding and Email Marketing.Read More
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1966Undisclosed2 - 9 employeesSan Bernardino, CAAdvertising company FreeAgent Media is based in San Bernardino, California. The team specializes in Advertising and Graphic Design.Read More
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1967Undisclosed2 - 9 employeesSan Bernardino, CAHeadquartered in San Bernardino, California, Insight Media is an Advertising company. They specialize in Advertising and AR/VR development and were established in 2013.Read More
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1968Undisclosed2 - 9 employeesSan Juan Capistrano, CAContent Marketing company Surge is headquartered in San Juan Capistrano, California. The team focuses on Content Marketing and Search Engine Optimization.Read More
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1969Undisclosed2 - 9 employeesEl Segundo, CATechEmpower is a small Content Marketing company. Founded in 1997, the team focuses on Content Marketing and E-Commerce Development.Read More
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1970Undisclosed2 - 9 employeesRedlands, CABranding company Identity Web Design was launched in 2012. The company provides Branding and Graphic Design.Read More
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1971Undisclosed2 - 9 employeesLos Angeles, CABe Accessible, Inc is a small Los Angeles, California-based Business Consulting company. The team focuses on Business Consulting and Search Engine Optimization.Read More
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1972Undisclosed2 - 9 employeesSolana Beach, CAEstablished in 2020, Normandy Digital Marketing Solutions Inc. Is a branding firm. The firm focuses on Branding and Search Engine Optimization.Read More
Industries
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1973Undisclosed2 - 9 employeesLos Angeles, CAGo Big LA is a small social media marketing company. They provide Social Media Marketing and Search Engine Optimization and were established in 2013.Read More
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1974Undisclosed2 - 9 employeesRoseville, CAEstablished in 2016, RAD Media Co. Is a social media marketing company. The team provides Social Media Marketing and Email Marketing.Read More
Industries
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1975Undisclosed2 - 9 employeesSonoma, CAMagic Touch Media is a Conversion Optimization company. Located in Sonoma, California, the team provides Conversion Optimization and Search Engine Optimization.Read More
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1976Undisclosed2 - 9 employeesFolsom, CAYuTechs LLC, a SEO services firm, was launched in 2009. The firm focuses on Search Engine Optimization and Web Design, and is small.Read More
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1977Undisclosed2 - 9 employeesGlendora, CAFounded in 2020, DLL Studios is a small SEO services firm based in Glendora, California. Their team specializes in Search Engine Optimization and Web Design.Read More
Industries
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1978Undisclosed2 - 9 employeesRedondo Beach, CAHeadquartered in Redondo Beach, California, Khameleon Marketing is a small branding firm. Their services include Branding and Search Engine Optimization.Read More
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1979Undisclosed2 - 9 employeesWestlake Village, CABranding agency Stackit Digital, Inc. Was founded in 2022. The company focuses on Branding and Search Engine Optimization, and is small.Read More
Industries
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1980Undisclosed2 - 9 employeesRocklin, CAEllington Digital is a social media marketing company. The Rocklin, California-based agency was launched in 2013. Their services include Social Media Marketing and Email Marketing.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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