Top 100 SEO Companies in California
The Best of July 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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2461$10,000+250 - 999 employeesSan Francisco, CAOrganic is a Product Design company established in 1993. Their team focuses on Product Design and AR/VR development.Read More
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2462$5,000+10 - 49 employeesLong Beach, CAAssistance In Marketing Inc is an Advertising company. They are located in Morristown, New Jersey and Long Beach, California and have small team. Their team specializes in Advertising and Branding.Read More
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2463Undisclosed50 - 249 employeesCarlsbad, CAC Squared Social is a social media marketing agency launched in 2012. Their team specializes in Social Media Marketing and Email Marketing.Read More
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2464$1,000+50 - 249 employeesLos Angeles, CAInfowebusa Technologies is a SEO agency in Los Angeles, California and Noida, India. The team provides Search Engine Optimization and Pay Per Click.Read More
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2465$1,000+2 - 9 employeesMarina del Rey, CAEstablished in 2012, Half Dome Partners, a small SEO company, is headquartered in Marina del Rey, California. Their team focuses on Search Engine Optimization and Email Marketing.Read More
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2466$5,000+2 - 9 employeesVista, CALead Discovery is a Vista, California-based pay per click company. They offer Pay Per Click and Search Engine Optimization and were founded in 1998.Read More
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2467$5,000+2 - 9 employeesPasadena, CAMy Company Site is a SEO agency. They offer Search Engine Optimization and Web Design and are in Pasadena, California.Read More
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2468$5,000+2 - 9 employeesLos Angeles, CACognitext is a SEO company. Launched in 1995, the team specializes in Search Engine Optimization and Web Development.Read More
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2469$5,000+2 - 9 employeesLong Beach, CADigital Storm SEO is a SEO services firm. The Long Beach, California-based agency was established in 2015. Their services include Search Engine Optimization and Web Design.Read More
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2470Undisclosed2 - 9 employeesCarlsbad, CAWebene is a graphic design company. Their small team is headquartered in Carlsbad, California. Their services include Graphic Design and Search Engine Optimization.Read More
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2471Undisclosed2 - 9 employeesIrvine, CATalent Evolution, LLC is a small social media marketing firm headquartered in Irvine, California. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2472Undisclosed2 - 9 employeesLake Forest, CAMedia Blend, a web design company, is in Lake Forest, California. The team offers Web Design and Search Engine Optimization.Read More
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2473Undisclosed2 - 9 employeesOceanside, CAOliver Web Guy is a web design agency. They are in Oceanside, California and have small team. They provide Web Design and Branding.Read More
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2474Undisclosed2 - 9 employeesSimi Valley, CASJO Consulting Group is an IT managed services company. Their small team is headquartered in Simi Valley, California. Their services include IT managed services and Search Engine Optimization.Read More
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2475Undisclosed2 - 9 employeesEl Cajon, CA619 Creative is an UX company headquartered in El Cajon, California. Established in 2015, the team provides UX/UI Design and Web Design.Read More
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2476Undisclosed2 - 9 employeesModesto, CAWeb Design Just For You is a web design agency. The Modesto, California-based agency offers Web Design and Graphic Design.Read More
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2477Undisclosed2 - 9 employeesAlamo, CABased in Alamo, California, Pinevision Design Studio is a web design company. The team offers Web Design and Branding.Read More
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2478Undisclosed2 - 9 employeesElk Grove, CASynthesis : MCM is an e-commerce development company based in Elk Grove, California. They provide E-Commerce Development and Web Design.Read More
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2479Undisclosed2 - 9 employeesTustin, CAAspect Communication is a small Tustin, California-based Email Marketing company. Their services include Email Marketing and Social Media Marketing.Read More
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2480Undisclosed2 - 9 employeesTustin, CAEmail Marketing company Nessie Media Group is located in Tustin, California. Their services include Email Marketing and Social Media Marketing.Read More
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2481Undisclosed2 - 9 employeesLos Angeles, CAMerchantWords, INC., a pay per click company, was established in 2012. Located in Los Angeles, California, the team provides Pay Per Click and Search Engine Optimization.Read More
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2482Undisclosed2 - 9 employeesSanta Barbara, CALaunched in 2017, TrafficDom is a SEO agency. Their team focuses on Search Engine Optimization and Digital Strategy.Read More
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2483$1,000+10 - 49 employeesLos Angeles, CAAce Online Marketing Solutions is a small Los Angeles, California-based app development firm. The team provides Mobile App Development and Search Engine Optimization.Read More
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2484Undisclosed10 - 49 employeesNewport Beach, CAAdvice Interactive Group is a SEO agency launched in 2009. The small team focuses on Search Engine Optimization and Social Media Marketing.Read More
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2485Undisclosed10 - 49 employeesWhittier, CAGlobal IT is an Email Marketing company launched in 2004. The small team provides Email Marketing and IT managed services.Read More
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2486Undisclosed10 - 49 employeesMill Valley, CABack Office Outsourcing company GoFable was established in 2019. The team offers Back Office Outsourcing and Content Marketing.Read More
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2487Undisclosed10 - 49 employeesRedondo Beach, CAWarbasse Design, a SEO services firm, is located in Redondo Beach, California. Their services include Search Engine Optimization and Social Media Marketing.Read More
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2488Undisclosed10 - 49 employeesCarlsbad, CADefy Digital Marketing is a Marketing Strategy company. They are in Carlsbad, California and have small team. Their team specializes in Marketing Strategy and Content Marketing.Read More
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2489Undisclosed10 - 49 employeesTorrance, CAEstablished in 2015, Millennials Digital is a social media marketing company. Their team provides Social Media Marketing and Content Marketing.Read More
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2490Undisclosed10 - 49 employeesLos Angeles, CAStratDev is a Digital Strategy company. Launched in 2019, their team focuses on Digital Strategy and Conversion Optimization.Read More
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