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.
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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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1801$5,000+2 - 9 employeesSan Diego, CAWeb design agency Vivid Software Solutions was established in 2008. In San Diego, California, the team offers Web Design and Web Development.Read More
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1802$1,000+2 - 9 employeesAgoura Hills, CAWeb Digital USA, a social media marketing agency, was established in 2022. The agency provides Social Media Marketing and Search Engine Optimization.Read More
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1803$1,000+2 - 9 employeesPasadena, CAEstablished in 2024, PivotFly is a SEO agency. The team offers Search Engine Optimization and Digital Strategy.Read More
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1804$5,000+10 - 49 employeesSan Francisco, CAUxSquare is a branding agency. The small New Delhi, India-based team provides Branding and Social Media Marketing. The firm was established in 2020.Read More
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1805Undisclosed10 - 49 employeesPleasanton, CAXTENDLY is a web development company. The team is headquartered in Pleasanton, California, and their services include Web Development and Mobile App Development.Read More
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1806$10,000+10 - 49 employeesLos Angeles, CANew Media Agency, a web design company, was established in 2008. They specializes in Web Design and Branding.Read More
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1807$5,000+10 - 49 employeesSan Francisco, CAForward Push is a small web design agency based in San Francisco, California. Their services include Web Design and Content Marketing.Read More
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1808UndisclosedFreelancer employeesSan Rafael, CASearchCyrus is a Content Marketing company. Located in San Rafael, California, their small team provides Content Marketing and Search Engine Optimization. The firm was launched in 2018.Read More
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1809$5,000+10 - 49 employeesJurupa Valley, CAMovya is a web development firm established in 2021. The small Ahmedabad, India-based team provides Web Development, Application Testing, UX/UI Design, Mobile App Development, and more.Read More
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1810$10,000+2 - 9 employeesSan Diego, CAGaslamp Media is a web design agency. The small San Diego, California-based team offers Web Design and Web Development. The company was established in 2008.Read More
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1811$1,000+2 - 9 employeesAgoura Hills, CAFresh Agency is a Content Marketing company. They provide Content Marketing and Mobile & App Marketing and were launched in 2010. The company is in Agoura Hills, California.Read More
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1812$1,000+2 - 9 employeesIrvine, CAFounded in 2006, ByteLaunch is a Mobile & App Marketing company. The team provides Mobile & App Marketing and Search Engine Optimization.Read More
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1813$5,000+2 - 9 employeesChino Hills, CAWelborn Social Media is an Advertising company located in Chino Hills, California. The team provides Advertising and Branding.Read More
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1814$5,000+2 - 9 employeesFresno, CAPaul McDougal Marketing is a small Advertising company established in 2006. Their team provides Advertising and Branding.Read More
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1815$5,000+2 - 9 employeesOakland, CA510media, an Advertising company, is headquartered in Oakland, California. They offer Advertising and Branding and were launched in 2005.Read More
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1816$5,000+2 - 9 employeesOakland, CADouble Six Design, an Advertising company, is based in Oakland, California. Launched in 2008, the team specializes in Advertising and Branding.Read More
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1817$5,000+2 - 9 employeesRoseville, CATaber Creative Group is an Advertising company. They were founded in 1997, and their services include Advertising and Branding.Read More
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1818$5,000+2 - 9 employeesFresno, CAThe Solution Machine is an Advertising company. Their team is located in Fresno, California. The agency offers Advertising and Branding.Read More
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1819$5,000+2 - 9 employeesLong Beach, CAAlliance Resource Consulting is an Advertising company. The team offers Advertising and Branding and is located in Long Beach, California and Palo Alto, California.Read More
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1820$5,000+2 - 9 employeesLos Angeles, CARambo House is a small Advertising company. Established in 2005, the team focuses on Advertising and Branding.Read More
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1821$5,000+2 - 9 employeesSan Diego, CAPageLadder is an Advertising company. Based in San Diego, California, their small team specializes in Advertising and Branding. The firm was launched in 2011.Read More
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1822$5,000+2 - 9 employeesSan Diego, CAEsteemed Consulting Inc., an Advertising company, focuses on Advertising and Branding. The firm is in San Diego, California.Read More
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1823$5,000+2 - 9 employeesSan Diego, CAAdvertising company Dynamik Internet Marketing Inc. Is located in San Diego, California. The team offers Advertising and Branding.Read More
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1824$5,000+2 - 9 employeesSan Marcos, CACreative Linc Marketing is a small San Marcos, California-based Advertising company. Their services include Advertising and Branding.Read More
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1825$5,000+2 - 9 employeesCarlsbad, CAGet Smart Web is a small Carlsbad, California-based Advertising company. The team specializes in Advertising and Branding.Read More
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1826Undisclosed2 - 9 employeesSan Diego, CAKickin Knowledge is a small San Diego, California-based Advertising company. The team focuses on Advertising and Branding.Read More
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1827$5,000+2 - 9 employeesSan Diego, CALocated in San Diego, California, Atlantis Marketing is an Advertising company. They offer Advertising and Branding.Read More
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1828$5,000+2 - 9 employeesSan Diego, CABlackwood Industries is an Advertising company based in San Diego, California. The team provides Advertising and Branding.Read More
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1829$5,000+2 - 9 employeesSan Francisco, CACharles Communications Associates is an Advertising company. They focus on Advertising and Branding and were established in 2003. The firm is based in San Francisco, California.Read More
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1830$5,000+2 - 9 employeesMorgan Hill, CAScarlett Vision Media Inc. Is an Advertising company established in 2005. The team specializes in Advertising and Branding.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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