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
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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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2731$5,000+10 - 49 employeesHermosa Beach, CAEvery Angle Media is a web design company. They offer Web Design and Web Development and were established in 2005.Read More
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2732Undisclosed10 - 49 employeesSanta Rosa, CASmall e-commerce development firm ZDCA, is based in Santa Rosa, California. The team specializes in E-Commerce Development and Web Development.Read More
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2733Undisclosed10 - 49 employeesStockton, CANever Boring is a branding agency. Founded in 1983, the firm is in Stockton, California. Their services include Branding and Graphic Design.Read More
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2734Undisclosed10 - 49 employeesStockton, CADexDel, a web design agency, is in Stockton, California. Their services include Web Design and Web Development.Read More
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2735Undisclosed10 - 49 employeesRohnert Park, CAPageSpruce, a small web design company, is located in Rohnert Park, California. Their services include Web Design and Content Marketing.Read More
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2736$5,000+50 - 249 employeesSanta Monica, CAEthology, a Digital Strategy company, was established in 2010. The firm offers Digital Strategy and Email Marketing.Read More
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2737UndisclosedFreelancer employeesDavis, CADigiSac is a PPC agency. Their small team is in Davis, California. Their team focuses on Pay Per Click and Search Engine Optimization.Read More
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2738UndisclosedFreelancer employeesWhittier, CASparkFlow is a Digital Strategy company. They were established in 2010 and specialize in Digital Strategy and Search Engine Optimization.Read More
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2739Undisclosed10 - 49 employeesUnion City, CANv it experts, a web design company, is located in Union City, California and New Delhi, India. They focus on Web Design and E-Commerce Development and were launched in 2021.Read More
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2740$5,000+50 - 249 employeesWest Hollywood, CAIZEA is an Advertising company. They are based in Maitland, Florida and West Hollywood, California and have midsize team of experts. Their services include Advertising and Branding.Read More
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2741Undisclosed50 - 249 employeesSan Francisco, CASpeechpad, a midsize Transcription company, is headquartered in San Francisco, California and Hollywood, Florida. The team specializes in Transcription and Translation.Read More
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2742$1,000+10 - 49 employeesMonterey, CAByte Technology, a web design agency, is in Littleton, Colorado; Monterey, California; Maple Grove, Minnesota and New York, New York. The small team provides Web Design, Web Development, E-Commerce Development, Search Engine Optimization, and more. The agency was established in 2001.Read More
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2743$1,000+Freelancer employeesBeverly Hills, CAJasmine Sandler is a Digital Strategy company. They are in Queens, New York and Beverly Hills, California and have small team. Their team provides Digital Strategy and Search Engine Optimization.Read More
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2744$10,000+2 - 9 employeesSimi Valley, CAThinking2 is a web design company located in Simi Valley, California. Their services include Web Design and Web Development.Read More
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2745$5,000+2 - 9 employeesLos Angeles, CACircle Marketing and Advertising is an Advertising company founded in 2010. The small team focuses on Advertising and Branding.Read More
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2746$5,000+2 - 9 employeesSan Francisco, CAGIRAFFE-X INC, a graphic design agency, was established in 1987. The team specializes in Graphic Design and Print Design and is headquartered in San Francisco, California.Read More
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2747$5,000+2 - 9 employeesSan Francisco, CAKuleana Design is a branding company. Headquartered in San Francisco, California, the agency was established in 2005. Their services include Branding and Social Media Marketing.Read More
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2748$10,000+2 - 9 employeesManhattan Beach, CAChaosmap Advertising Agency, a Business Consulting company, was founded in 2007. The firm provides Business Consulting and Advertising, and is small.Read More
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2749$1,000+2 - 9 employeesLos Angeles, CAWeb design company IMPA is based in Los Angeles, California. Established in 2012, the team provides Web Design and Pay Per Click.Read More
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2750$5,000+2 - 9 employeesLos Gatos, CAEntrabase Inc is a small Los Gatos, California-based web design agency. Their services include Web Design and Social Media Marketing.Read More
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2751$5,000+2 - 9 employeesSan Francisco, CABased in San Francisco, California, Honeycomb Inbound Marketing is an Advertising company. The team focuses on Advertising and Marketing Strategy.Read More
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2752Undisclosed2 - 9 employeesTemple City, CABased in Temple City, California, eForceSuccess is a small IT strategy consulting company. The team offers IT strategy consulting and Business Consulting.Read More
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2753Undisclosed2 - 9 employeesLong Beach, CARTS Website Design is a web design agency. The Long Beach, California-based team provides Web Design and Branding.Read More
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2754Undisclosed2 - 9 employeesUpland, CAIn Upland, California, Voice Marketing - Upland is a small branding company. The team specializes in Branding and Graphic Design.Read More
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2755Undisclosed2 - 9 employeesFolsom, CABranding agency DMS Branding provides Branding and Content Marketing. They are in Folsom, California.Read More
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2756Undisclosed2 - 9 employeesWestminster, CADigital Strategy company NiceGraphix was established in 2006. The small team specializes in Digital Strategy and E-Commerce Development.Read More
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2757Undisclosed2 - 9 employeesWestminster, CALuckae Web Solutions, LLC is a web design company. Based in Westminster, California, their small team offers Web Design and Web Development. The company was launched in 2014.Read More
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2758Undisclosed2 - 9 employeesWhittier, CALaunched in 1997, DigiCal is a video production company. Located in Whittier, California, the team specializes in Video Production and Web Design.Read More
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2759Undisclosed2 - 9 employeesWhittier, CASmall Digital Strategy company Badali Design, is located in Whittier, California. Their services include Digital Strategy and Marketing Strategy.Read More
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2760Undisclosed2 - 9 employeesPasadena, CAFounded in 2003, WYNK Marketing is an Email Marketing company. The small team specializes in Email Marketing and Graphic Design.Read More
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