Top 100 SEO Companies in California
The Best of April 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.
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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2101UndisclosedFreelancer employeesSan Diego, CAKatie Fellenz Digital Marketer is a Digital Strategy company. The San Diego, California-based team focuses on Digital Strategy and Content Marketing.Read More
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2102$1,000+Freelancer employeesIrvine, CALocated in Irvine, California, Empyreal Motions is a Content Marketing company. Founded in 2015, the team provides Content Marketing and Digital Strategy.Read More
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2103$1,000+Freelancer employeesLong Beach, CALimemob is a branding firm. The Long Beach, California-based company was founded in 2017. Their team specializes in Branding and Search Engine Optimization.Read More
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2104$1,000+Freelancer employeesWildomar, CACOUR Digital, a Content Marketing company, was launched in 2018. They provides Content Marketing and Pay Per Click.Read More
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2105$1,000+Freelancer employeesIrvine, CASEO agency LUK Digital was established in 2020. The small team provides Search Engine Optimization and Digital Strategy.Read More
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2106$5,000+2 - 9 employeesSan Diego, CATop Rank Solutions, a SEO agency, is based in San Diego, California. Founded in 2013, the team provides Search Engine Optimization and Social Media Marketing.Read More
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2107$5,000+2 - 9 employeesLos Angeles, CAOrganic SEO Marketing, a small SEO agency, is in Los Angeles, California. Their services include Search Engine Optimization and Web Design.Read More
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2108$5,000+2 - 9 employeesSanta Monica, CASilicon Beach Digital is a SEO company. Based in Santa Monica, California, the team specializes in Search Engine Optimization and Web Design.Read More
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2109Undisclosed2 - 9 employeesSan Francisco, CASEO company Seo Socially is headquartered in San Francisco, California. They focus on Search Engine Optimization and Web Design.Read More
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2110Undisclosed2 - 9 employeesVista, CASEO company Beacon SEO is in Vista, California. Founded in 2018, the team provides Search Engine Optimization and Pay Per Click.Read More
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2111Undisclosed2 - 9 employeesLos Angeles, CAFormula Internet - SEO, Lead Gen & Digital Marketing is a SEO company launched in 2016. The small team specializes in Search Engine Optimization and Conversion Optimization.Read More
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2112$5,000+Freelancer employeesLos Angeles, CASlick Development is an e-commerce development company in Los Angeles, California. The team specializes in E-Commerce Development and Mobile App Development.Read More
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2113$1,000+Freelancer employeesSan Francisco, CAMEANINGFUL SEO is a Content Marketing company headquartered in San Francisco, California. They provide Content Marketing and Search Engine Optimization and were launched in 2005.Read More
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2114$1,000+2 - 9 employeesSan Diego, CAGREEN BIRD MEDIA is a small branding firm established in 2005. Their team provides Branding and Social Media Marketing.Read More
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2115$5,000+2 - 9 employeesLincoln, CAEstablished in 2000, Infinite Design & Marketing, a small web design company, is in Lincoln, California. Their team offers Web Design and Custom Software Development.Read More
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2116UndisclosedFreelancer employeesLancaster, CARead More
Digital Marketing Agency was founded in 2000 and is located in Lancaster, Calif. The company is run by a freelancer who offers digital strategy, social media marketing, SEO, web design, and web development services.
Clients
Hit and Pivot Enterprises Inc. -
2117UndisclosedFreelancer employeesSan Diego, CANickTrep Designs is a branding agency launched in 2020. The team focuses on Branding and Search Engine Optimization and is headquartered in San Diego, California.Read More
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2118$5,000+10 - 49 employeesLos Angeles, CABrenton Way is a pay per click agency based in Los Angeles, California; Los Angeles, California; Palo Alto, California and New York, New York. The small firm was founded in 2017. Their team specializes in Pay Per Click, Social Media Marketing, Email Marketing, Search Engine Optimization, and more.Read More
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T-MobileIndustries
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2119$5,000+10 - 49 employeesLong Beach, CAFounded in 1993, RMD Group Inc is an Advertising company. Located in Long Beach, California and Union City, California, the team provides Advertising and Branding.Read More
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2120$5,000+10 - 49 employeesFresno, CAMJR Creative Group is a small Fresno, California-based SEO company. Their services include Search Engine Optimization and Advertising.Read More
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2121$10,000+10 - 49 employeesSan Diego, CASmall branding firm GiantSky, is located in Philadelphia, Pennsylvania and San Diego, California. Their services include Branding and UX/UI Design.Read More
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2122$1,000+10 - 49 employeesRedwood City, CALaunched in 2004, EM Marketing is a branding company. The team focuses on Branding and Content Marketing and is headquartered in Redwood City, California.Read More
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2123$1,000+10 - 49 employeesSan Francisco, CAROI·DNA is a small San Francisco, California-based branding firm. The team specializes in Branding and Social Media Marketing.Read More
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2124$5,000+10 - 49 employeesSan Francisco, CASEO company Ideal Visibility is based in San Francisco, California. They focus on Search Engine Optimization and Pay Per Click.Read More
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2125$5,000+10 - 49 employeesSacramento, CAWeb design agency Outback Solutions is in Sacramento, California. The team focuses on Web Design and Web Development.Read More
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2126Undisclosed10 - 49 employeesLos Angeles, CA8 Circle Media is a PR firm. The Los Angeles, California-based agency was founded in 2012. Their team specializes in Public Relations and Branding.Read More
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2127Undisclosed10 - 49 employeesUnion City, CAClatter Chatter Inc is a social media marketing agency established in 2013. Their services include Social Media Marketing and Pay Per Click.Read More
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2128Undisclosed10 - 49 employeesModesto, CAT3 Direct is a Modesto, California-based Content Marketing company. Their services include Content Marketing and Conversion Optimization.Read More
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2129Undisclosed10 - 49 employeesNewport Beach, CABig Hype Marketing is a small branding company in Newport Beach, California. Their services include Branding and Graphic Design.Read More
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2130Undisclosed10 - 49 employeesWalnut Creek, CASmall social media marketing firm WebGrit, is based in Walnut Creek, California. The team provides Social Media Marketing and Content Marketing.Read More
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