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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2011Undisclosed2 - 9 employeesEl Segundo, CATechEmpower is a small Content Marketing company. Founded in 1997, the team focuses on Content Marketing and E-Commerce Development.Read More
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2012Undisclosed2 - 9 employeesLos Angeles, CABe Accessible, Inc is a small Los Angeles, California-based Business Consulting company. The team focuses on Business Consulting and Search Engine Optimization.Read More
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2013Undisclosed2 - 9 employeesSolana Beach, CAEstablished in 2020, Normandy Digital Marketing Solutions Inc. Is a branding firm. The firm focuses on Branding and Search Engine Optimization.Read More
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2014Undisclosed2 - 9 employeesLos Angeles, CAGo Big LA is a small social media marketing company. They provide Social Media Marketing and Search Engine Optimization and were established in 2013.Read More
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2015Undisclosed2 - 9 employeesRoseville, CAEstablished in 2016, RAD Media Co. Is a social media marketing company. The team provides Social Media Marketing and Email Marketing.Read More
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2016Undisclosed2 - 9 employeesSonoma, CAMagic Touch Media is a Conversion Optimization company. Located in Sonoma, California, the team provides Conversion Optimization and Search Engine Optimization.Read More
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2017Undisclosed2 - 9 employeesFolsom, CAYuTechs LLC, a SEO services firm, was launched in 2009. The firm focuses on Search Engine Optimization and Web Design, and is small.Read More
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2018Undisclosed2 - 9 employeesGlendora, CAFounded in 2020, DLL Studios is a small SEO services firm based in Glendora, California. Their team specializes in Search Engine Optimization and Web Design.Read More
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2019Undisclosed2 - 9 employeesRedondo Beach, CAHeadquartered in Redondo Beach, California, Khameleon Marketing is a small branding firm. Their services include Branding and Search Engine Optimization.Read More
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2020Undisclosed2 - 9 employeesWestlake Village, CABranding agency Stackit Digital, Inc. Was founded in 2022. The company focuses on Branding and Search Engine Optimization, and is small.Read More
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2021Undisclosed2 - 9 employeesRocklin, CAEllington Digital is a social media marketing company. The Rocklin, California-based agency was launched in 2013. Their services include Social Media Marketing and Email Marketing.Read More
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2022Undisclosed2 - 9 employeesLancaster, CAGrind! Media is a branding company. Founded in 2019, the firm is located in Lancaster, California. Their services include Branding and Social Media Marketing.Read More
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2023Undisclosed2 - 9 employeesAlamo, CAEstablished in 2011, HomePage Marketing is a small Email Marketing company based in Alamo, California. Their team specializes in Email Marketing and Search Engine Optimization.Read More
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2024Undisclosed2 - 9 employeesSan Diego, CADesign Venturez is a small social media marketing company located in San Diego, California. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2025Undisclosed2 - 9 employeesLos Angeles, CALaunched in 2009, Battle Bridge Labs is a social media marketing firm. Based in Los Angeles, California and Tulsa, Oklahoma, the team offers Social Media Marketing and Email Marketing.Read More
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2026Undisclosed2 - 9 employeesPaso Robles, CA805 SEO is a SEO company headquartered in Paso Robles, California. The team focuses on Search Engine Optimization and Social Media Marketing.Read More
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2027Undisclosed2 - 9 employeesOrangevale, CABased in Orangevale, California, InfoStar Productions LLC. Is a small social media marketing company. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2028Undisclosed2 - 9 employeesMountain View, CAWK Online Marketing is a social media marketing company. The team is in Mountain View, California, and their services include Social Media Marketing and Content Marketing.Read More
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2029Undisclosed2 - 9 employeesCerritos, CALaunched in 2011, Francesca Nicasio is a branding agency. The small team offers Branding and Marketing Strategy.Read More
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2030Undisclosed2 - 9 employeesMarina del Rey, CASEO agency Digital Ninja 9 is in Miami, Florida and Marina del Rey, California. They offer Search Engine Optimization and Pay Per Click and were established in 1996.Read More
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2031Undisclosed2 - 9 employeesFresno, CAFounded in 2007, NewCast Media Group is a small PPC company. Their services include Pay Per Click and Social Media Marketing.Read More
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2032Undisclosed2 - 9 employeesSanta Monica, CASocial media marketing agency Digital Revenue Media is headquartered in Santa Monica, California. They offer Social Media Marketing and Email Marketing.Read More
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2033Undisclosed2 - 9 employeesLos Angeles, CAInvoketin, Inc. Is a Los Angeles, California-based Email Marketing company. They specialize in Email Marketing and Conversion Optimization.Read More
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2034Undisclosed2 - 9 employeesHuntington Beach, CALaunched in 2006, Swell Marketing Inc. Is a Conversion Optimization company. The team provides Conversion Optimization and Search Engine Optimization and is located in Huntington Beach, California.Read More
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2035Undisclosed2 - 9 employeesTorrance, CAWordPress Superheroes, a web development firm, focuses on Web Development and Search Engine Optimization. The firm is in Torrance, California.Read More
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2036Undisclosed2 - 9 employeesCarlsbad, CASmall Content Marketing company Afflatus Media, is headquartered in Carlsbad, California. Their services include Content Marketing and Search Engine Optimization.Read More
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2037Undisclosed2 - 9 employeesSan Diego, CAWebsites That Elevate with Gina Williams is a small SEO company. Launched in 2020, the team provides Search Engine Optimization and Web Design.Read More
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2038Undisclosed2 - 9 employeesPasadena, CAContent Marketing company Local Finder LLC was launched in 2016. In Pasadena, California, the team specializes in Content Marketing and Search Engine Optimization.Read More
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2039Undisclosed2 - 9 employeesBeverly Hills, CAResume Advisor is a Content Writing Services company. They are located in Beverly Hills, California, and their services include Content Writing Services and Corporate Training & Coaching.Read More
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2040Undisclosed2 - 9 employeesLos Angeles, CALaunched in 2019, Pink Sheep Publicity is a small branding agency. Their team focuses on Branding and Public Relations.Read More
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