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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2551Undisclosed2 - 9 employeesLong Beach, CABraven Agency, an Email Marketing company, is headquartered in Long Beach, California. They focus on Email Marketing and Search Engine Optimization and were established in 2016.Read More
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2552Undisclosed2 - 9 employeesLong Beach, CAFounded in 2014, Faction Mind SEO is a pay per click agency. The agency focuses on Pay Per Click and Search Engine Optimization.Read More
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2553Undisclosed2 - 9 employeesLong Beach, CAHern IT is an IT managed services company. Their small team is located in Long Beach, California. Their services include IT managed services and Mobile & App Marketing.Read More
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2554Undisclosed2 - 9 employeesSan Jose, CAPay per click agency TNT Digital Marketing was founded in 2012. The team provides Pay Per Click and Search Engine Optimization and is located in San Jose, California.Read More
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2555Undisclosed2 - 9 employeesLake Forest, CAPR company R&S Marketing was launched in 1996. The company focuses on Public Relations and Search Engine Optimization.Read More
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2556Undisclosed2 - 9 employeesFolsom, CALocated in Folsom, California, Peak Design is a small SEO agency. The team focuses on Search Engine Optimization and Social Media Marketing.Read More
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2557Undisclosed2 - 9 employeesVentura, CAThe Montecito Group is an e-commerce development firm in Ventura, California. The team provides E-Commerce Development and Pay Per Click.Read More
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2558Undisclosed2 - 9 employeesDavis, CASonomaStudios is an e-commerce development firm. They are headquartered in Davis, California and have small team. Their team provides E-Commerce Development and Search Engine Optimization.Read More
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2559Undisclosed2 - 9 employeesWalnut Creek, CASparq Marketing is a small Email Marketing company founded in 2011. Their team provides Email Marketing and Graphic Design.Read More
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2560Undisclosed2 - 9 employeesAnaheim, CACal Coast Web Design, an Other Digital Marketing company, provides Other Digital Marketing and Search Engine Optimization. The company is headquartered in Anaheim, California.Read More
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2561Undisclosed2 - 9 employeesHuntington Beach, CAWeb Search Pros is a Huntington Beach, California-based SEO services firm. Their services include Search Engine Optimization and Social Media Marketing.Read More
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2562Undisclosed2 - 9 employeesIrvine, CAMyWebReps is a Content Marketing company. The team offers Content Marketing and Search Engine Optimization, and the agency is located in Irvine, California.Read More
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2563Undisclosed2 - 9 employeesLos Angeles, CAGlobal SEO Group, an Advertising company, is located in Los Angeles, California. They focus on Advertising and Search Engine Optimization and were launched in 2017.Read More
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2564Undisclosed2 - 9 employeesThousand Oaks, CAIOVA Communications is a pay per click agency. Their small team is in Thousand Oaks, California. Their services include Pay Per Click and Search Engine Optimization.Read More
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2565Undisclosed2 - 9 employeesLos Angeles, CASEO company Technical Link LLC was established in 2012. The team provides Search Engine Optimization and Social Media Marketing.Read More
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2566Undisclosed2 - 9 employeesSanta Clarita, CASanta Clarita Web & IT is a mobile app development company launched in 2003. The small team provides Mobile App Development and Search Engine Optimization.Read More
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2567Undisclosed2 - 9 employeesCalabasas, CASmall Email Marketing company Euclid Marketing LLC, is headquartered in Calabasas, California. Their services include Email Marketing and Search Engine Optimization.Read More
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2568Undisclosed2 - 9 employeesChico, CAHeadquartered in Chico, California, Klages Web Design is a small Advertising company. The team focuses on Advertising and Search Engine Optimization.Read More
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2569Undisclosed2 - 9 employeesChico, CAEstablished in 2016, Michael Ruiz Consulting is an Email Marketing company. The firm offers Email Marketing and Search Engine Optimization.Read More
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2570Undisclosed2 - 9 employeesLos Angeles, CABig Brain Los Angeles, a small branding agency, is headquartered in Los Angeles, California. The team focuses on Branding and Search Engine Optimization.Read More
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2571Undisclosed2 - 9 employeesChino Hills, CABeech Street Digital is a Content Marketing company. They offer Content Marketing and Digital Strategy and were founded in 2012.Read More
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2572Undisclosed2 - 9 employeesDowney, CAPharo, a SEO company, was established in 2018. The agency offers Search Engine Optimization and Social Media Marketing.Read More
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2573Undisclosed2 - 9 employeesRoseville, CAAdvanced Development Concepts, LLC is a Corporate Training & Coaching company. The Roseville, California-based firm focuses on Corporate Training & Coaching and Business Consulting.Read More
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2574Undisclosed2 - 9 employeesEl Cajon, CABased in El Cajon, California, Anchor Troll Marketing is a pay per click company. Launched in 2017, the team offers Pay Per Click and Search Engine Optimization.Read More
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2575Undisclosed2 - 9 employeesAliso Viejo, CARoReUs - Web Designing Company is a graphic design company. The Aliso Viejo, California-based team focuses on Graphic Design and Search Engine Optimization.Read More
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2576Undisclosed2 - 9 employeesCarlsbad, CATK HighTech, a graphic design agency, specializes in Graphic Design and Logo. The firm is located in Carlsbad, California.Read More
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2577Undisclosed2 - 9 employeesSan Diego, CABEOK Web Design Company is a graphic design agency. Founded in 2009, the team focuses on Graphic Design and Search Engine Optimization. The firm is based in San Diego, California.Read More
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2578Undisclosed2 - 9 employeesOakhurst, CAMoss Web Works is an e-commerce development company. Established in 2011, the company provides E-Commerce Development and Search Engine Optimization.Read More
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2579Undisclosed2 - 9 employeesSan Luis Obispo, CAMeadows Interactive is a SEO services firm. Their small team is based in San Luis Obispo, California. Their team focuses on Search Engine Optimization and Social Media Marketing.Read More
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2580Undisclosed2 - 9 employeesSan Jose, CASBZD Marketing and Web design is a small San Jose, California-based graphic design agency. Their services include Graphic Design and Pay Per Click.Read More
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