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.
Jump to Most Reviewed Companies
List of the Best California SEO Firms
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2041Undisclosed2 - 9 employeesAnaheim, CASocial media marketing company Pub Club Leads was founded in 2009. Located in Anaheim, California, the team provides Social Media Marketing and Pay Per Click.Read More
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2042Undisclosed2 - 9 employeesAnaheim, CAHighrise Elite Marketing, an application development company, specializes in Mobile App Development and Search Engine Optimization. The company is headquartered in Anaheim, California.Read More
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2043Undisclosed2 - 9 employeesAnaheim, CAKinetic InterActive is an Email Marketing company. Their small team of employees is located in Anaheim, California. Their team provides Email Marketing and Business Consulting.Read More
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2044Undisclosed2 - 9 employeesRancho Cordova, CALaunched in 2017, Squirrel Digital Marketing, a small Email Marketing company, is in Rancho Cordova, California. Their team focuses on Email Marketing and Marketing Strategy.Read More
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2045Undisclosed2 - 9 employeesDanville, CAAJN solutions, a Corporate Training & Coaching company, is in Danville, California. Their services include Corporate Training & Coaching and Email Marketing.Read More
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2046Undisclosed2 - 9 employeesIrvine, CADharne & Co. Is an Email Marketing company based in Irvine, California. The team offers Email Marketing and Search Engine Optimization.Read More
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2047Undisclosed2 - 9 employeesAlamo, CAResult Driven Design, a small Content Marketing company, is based in Alamo, California. Their services include Content Marketing and Pay Per Click.Read More
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2048Undisclosed2 - 9 employeesDanville, CAEWebsiteServices is a SEO agency. Their small team is in Danville, California. Their services include Search Engine Optimization and Social Media Marketing.Read More
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2049Undisclosed2 - 9 employeesDanville, CASina Advisory Group, an e-commerce development firm, was established in 2008. The small team specializes in E-Commerce Development and Search Engine Optimization.Read More
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2050Undisclosed2 - 9 employeesSan Ramon, CAD-Kode Technology, a web design company, offers Web Design and Web Development. The agency is based in San Ramon, California.Read More
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2051Undisclosed2 - 9 employeesBrentwood, CADesignLoyal is a web design agency. They were launched in 2012 and provide Web Design and Web Development.Read More
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2052Undisclosed2 - 9 employeesWalnut Creek, CAHeadquartered in Walnut Creek, California, APC Digital Media is a small IT managed services company. The team offers IT managed services and Search Engine Optimization.Read More
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2053Undisclosed2 - 9 employeesDanville, CAGlobalTown Marketing, a Content Marketing company, focus on Content Marketing and Search Engine Optimization. They were launched in 2014.Read More
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2054Undisclosed2 - 9 employeesDanville, CASmallbox Media Group is a branding company. Based in Danville, California, the team focuses on Branding and Graphic Design.Read More
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2055Undisclosed2 - 9 employeesSan Ramon, CALocated in San Ramon, California, TopMind PR is a small public relations firm. Their services include Public Relations and Search Engine Optimization.Read More
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2056Undisclosed2 - 9 employeesSan Leandro, CAIgnitor Marketing is an Email Marketing company. The San Leandro, California-based company was founded in 2014. Their team specializes in Email Marketing and Pay Per Click.Read More
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2057Undisclosed2 - 9 employeesSonora, CALevel One Web Design is a graphic design agency launched in 2011. The team focuses on Graphic Design and Search Engine Optimization.Read More
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2058Undisclosed2 - 9 employeesSan Luis Obispo, CALaunched in 2007, Jayne Wayne Web Design and Branding is a SEO company. The firm offers Search Engine Optimization and Web Design.Read More
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2059Undisclosed2 - 9 employeesGilroy, CAGIlroyWebDesign is a pay per click company. Located in Gilroy, California, the agency was launched in 2015. Their services include Pay Per Click and Search Engine Optimization.Read More
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2060Undisclosed2 - 9 employeesBrea, CABig Chief Creative Media is a branding company established in 2008. The firm offers Branding and Search Engine Optimization, and is small.Read More
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2061Undisclosed2 - 9 employeesBakersfield, CAGinomai Creative is a graphic design company in Bakersfield, California. Their services include Graphic Design and Logo.Read More
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2062Undisclosed2 - 9 employeesSan Juan Bautista, CAHeadquartered in San Juan Bautista, California, Webstrim Design Group is an e-commerce development company. They provide E-Commerce Development and Email Marketing and were founded in 2004.Read More
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2063Undisclosed2 - 9 employeesLos Angeles, CAUX design company HammockWeb is based in Los Angeles, California. They provide UX/UI Design and E-Commerce Development.Read More
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2064Undisclosed2 - 9 employeesRedondo Beach, CAByer Co is a Redondo Beach, California-based branding agency. The team focuses on Branding and Search Engine Optimization.Read More
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2065Undisclosed2 - 9 employeesFountain Valley, CAFounded in 2012, Addictive Marketing Group is a small Fountain Valley, California-based Mobile & App Marketing company. Their team specializes in Mobile & App Marketing and Pay Per Click.Read More
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2066Undisclosed2 - 9 employeesIrvine, CAInk Refuge is a web design agency launched in 2008. The agency focuses on Web Design and Branding.Read More
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2067Undisclosed2 - 9 employeesCerritos, CAG2CPartners is a Content Marketing company located in Cerritos, California. They focus on Content Marketing and Pay Per Click.Read More
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2068Undisclosed2 - 9 employeesSanta Ana, CAIn Santa Ana, California, Revho Ad Agency is a branding firm. Founded in 2014, the team specializes in Branding and Search Engine Optimization.Read More
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2069Undisclosed2 - 9 employeesHacienda Heights, CADigital Xchange Media is a branding agency headquartered in Hacienda Heights, California. Their services include Branding and Digital Strategy.Read More
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2070Undisclosed2 - 9 employeesSanta Ana, CASynergy Digital is a small Email Marketing company in Santa Ana, California. The team specializes in Email Marketing and Pay Per Click.Read More
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