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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1111$1,000+10 - 49 employeesLos Angeles, CAIn Los Angeles, California, Website Online Help is a branding company. They provide Branding and Search Engine Optimization.Read More
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1112Undisclosed10 - 49 employeesChowchilla, CARAM Digitech is a small Digital Strategy company based in Chowchilla, California. The team offers Digital Strategy and Search Engine Optimization.Read More
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1113Undisclosed10 - 49 employeesLos Angeles, CAZAMID Lab is a branding company. Established in 2024, the small agency is based in Sayreville, New Jersey and Los Angeles, California. Their team focuses on Branding, Digital Strategy, Search Engine Optimization, Web Design, and more.Read More
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1114$1,000+10 - 49 employeesSan Francisco, CAEuronous is a branding agency. Located in San Francisco, California, the team offers Branding and Search Engine Optimization.Read More
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1115Undisclosed10 - 49 employeesSan Francisco, CASeal and Scale is a social media marketing firm. Launched in 2025, the agency provides Social Media Marketing and Search Engine Optimization.Read More
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1116$1,000+10 - 49 employeesLos Angeles, CAEnvoy Social Solutions is a social media marketing agency. Established in 2023, the team specializes in Social Media Marketing and Search Engine Optimization.Read More
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1117$10,000+2 - 9 employeesOakland, CARead More
Tandem is a digital agency based in Oakland, Calif. Founded in 2015, the agency maintains a current team of over 10 that focuses on web development, e-commerce development, mobile app development, and SEO.
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1118Undisclosed10 - 49 employeesUpland, CASocial media marketing company Tulu Marketing was established in 2000. The small team offers Social Media Marketing and Branding.Read More
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1119$1,000+10 - 49 employeesLos Angeles, CALocated in Los Angeles, California, A Treehouse Group is a Digital Strategy company. Established in 2019, the team focuses on Digital Strategy and Social Media Marketing.Read More
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1120Undisclosed10 - 49 employeesSan Francisco, CABranding Elevator, a SEO company, was launched in 2023. The team specializes in Search Engine Optimization and Web Design.Read More
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1121Undisclosed10 - 49 employeesLong Beach, CA5 Elements Entertainment is a web development company. Founded in 2009, the team specializes in Web Development and Mobile App Development. The agency is located in Long Beach, California.Read More
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1122$1,000+10 - 49 employeesArtesia, CAEstablished in 2023, Abse Tech Inc is a small social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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1123$25,000+10 - 49 employeesWalnut Creek, CALaunched in 2024, Anderson Publishers LLC is a Marketing Strategy company. The small team focuses on Marketing Strategy and Print Design.Read More
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1124$5,000+2 - 9 employeesYorba Linda, CAWeb design company Hungry Ram Web Design was founded in 2018. The firm provides Web Design, Search Engine Optimization, and Graphic Design and has a small team.Read More
Clients
Ryan Serhant Naftali Group Moses Hershko Adam AmericaIndustries
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1125$5,000+2 - 9 employeesGlendale, CAViewpoint SEO is a SEO services firm. The agency is in Oklahoma City, Oklahoma and Glendale, California. Their team provides Search Engine Optimization and Marketing Strategy.Read More
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1126$5,000+2 - 9 employeesCarlsbad, CAMagnifyAds is a small Carlsbad, California-based SEO services firm. The team offers Search Engine Optimization and Social Media Marketing.Read More
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1127Undisclosed2 - 9 employeesFresno, CAGoldleaf Creative is a Fresno, California-based SEO company. The team provides Search Engine Optimization and Branding.Read More
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1128Undisclosed2 - 9 employeesSan Jose, CAFoamers Studios is a SEO company. Founded in 2001, the company offers Search Engine Optimization and Pay Per Click.Read More
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1129$5,000+50 - 249 employeesCalabasas, CARead More
Xivic is a digital agency based in Los Angeles with an additional office in Iasi, Romania. Founded in 1996, the Xivic team has considerable experience in product development and search-based marketing and nearly 70 employees with a variety of technical and strategic skills. Xivic's services include web design, digital strategy, UX design, SEO, PPC, and more.
Clients
MeinekeIndustries
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1130$1,000+2 - 9 employeesLos Angeles, CAKaleidoscope Consulting Group, a small web development firm, is located in Los Angeles, California and. The team provides Web Development and Advertising.Read More
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1131$5,000+2 - 9 employeesIrvine, CALocated in Irvine, California and , Jub Jub Interactive is a small Digital Strategy company. The team offers Digital Strategy and Social Media Marketing.Read More
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1132$5,000+2 - 9 employeesFresno, CAButler Branding is a Marketing Strategy company launched in 2012. The small team focuses on Marketing Strategy and Digital Strategy.Read More
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1133$5,000+2 - 9 employeesSeal Beach, CAECommerce Institute is a small web design company launched in 2011. Their team focuses on Web Design and Social Media Marketing.Read More
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1134$1,000+2 - 9 employeesLos Angeles, CAGrabResults, LLC is an Advertising company. Their small team is located in Los Angeles, California and provides Advertising and Content Marketing. The company was established in 2015.Read More
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1135$5,000+2 - 9 employeesDublin, CAWeb design agency 360 Web Designs was founded in 2004. The team offers Web Design and Web Development.Read More
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1136Undisclosed2 - 9 employeesGarden Grove, CAOsoLabs is a social media marketing agency founded in 2007. The team offers Social Media Marketing and Email Marketing.Read More
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1137$5,000+2 - 9 employeesIrvine, CAEstablished in 2016, Stray Digital is a Digital Strategy company. Their services include Digital Strategy and Conversion Optimization.Read More
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1138$250,000+2 - 9 employeesSan Diego, CAImpactful Digital Media, a pay per click agency, was founded in 2019. The firm focuses on Pay Per Click and Content Marketing, and is small.Read More
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1139$10,000+10 - 49 employeesSan Diego, CAAmeba Marketing is an Advertising company established in 1996. The agency specializes in Advertising and Branding, and is small.Read More
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1140$5,000+10 - 49 employeesHuntington Beach, CARipcord Digital Inc. Is a custom software development firm. Established in 2010, their team focuses on Custom Software Development and UX/UI Design.Read More
Industries
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