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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2431Undisclosed2 - 9 employeesLos Angeles, CAPirrot is a small graphic design agency. Founded in 2016, the team focuses on Graphic Design and Search Engine Optimization.Read More
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2432Undisclosed2 - 9 employeesSacramento, CAFounded in 2017, Knecht Strategies, LLC is a small Email Marketing company in Sacramento, California. Their team provides Email Marketing and Marketing Strategy.Read More
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2433Undisclosed2 - 9 employeesSanta Rosa, CANorth Bay Networking is a small Santa Rosa, California-based application development company. Their services include Mobile App Development and Search Engine Optimization.Read More
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2434Undisclosed2 - 9 employeesEncinitas, CAWaltman Design is a Logo company. Founded in 2008, the firm is in Encinitas, California. Their services include Logo and Search Engine Optimization.Read More
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2435Undisclosed2 - 9 employeesVisalia, CAEstablished in 2010, Cre8 Web Solution is a small e-commerce development company. Their services include E-Commerce Development and Logo.Read More
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2436Undisclosed2 - 9 employeesOakland, CARTR Digital is a Business Consulting company. Their small team is based in Oakland, California. Their services include Business Consulting and Search Engine Optimization.Read More
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2437Undisclosed2 - 9 employeesOakland, CAMortimer Smythe Designs is an e-commerce development company founded in 2008. Headquartered in Oakland, California, the team specializes in E-Commerce Development and Search Engine Optimization.Read More
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2438Undisclosed2 - 9 employeesLong Beach, CALaunched in 2009, Dana Web Design is a web design agency. The small team focuses on Web Design and E-Commerce Development.Read More
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2439Undisclosed2 - 9 employeesLong Beach, CAContent Marketing company Kahlo Media & Marketing is headquartered in Long Beach, California. They provide Content Marketing and Search Engine Optimization.Read More
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2440Undisclosed2 - 9 employeesLong Beach, CAIZone Marketing is a small PPC company launched in 2015. Their services include Pay Per Click and Search Engine Optimization.Read More
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2441Undisclosed2 - 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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2442Undisclosed2 - 9 employeesLong Beach, CAXtreme Internet Marketing, a branding company, was established in 2012. Based in Long Beach, California, the team offers Branding and Pay Per Click.Read More
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2443Undisclosed2 - 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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2444Undisclosed2 - 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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2445Undisclosed2 - 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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2446Undisclosed2 - 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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2447Undisclosed2 - 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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2448Undisclosed2 - 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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2449Undisclosed2 - 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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2450Undisclosed2 - 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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2451Undisclosed2 - 9 employeesStockton, CASmall Corporate Photography company Sailing Winds Media, is headquartered in Stockton, California. The team provides Corporate Photography and Search Engine Optimization.Read More
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2452Undisclosed2 - 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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2453Undisclosed2 - 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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2454Undisclosed2 - 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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2455Undisclosed2 - 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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2456Undisclosed2 - 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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2457Undisclosed2 - 9 employeesSimi Valley, CASearch Visible, Inc. Digital Marketing & SEO is a PPC agency. They are based in Simi Valley, California and have small team. Their services include Pay Per Click and Search Engine Optimization.Read More
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2458Undisclosed2 - 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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2459Undisclosed2 - 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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2460Undisclosed2 - 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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Check out a SEO Company in California with the most new reviews in the past 12 months.
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