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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1861$5,000+2 - 9 employeesSanta Monica, CAFounded in 2007, RankLab, a small user experience design agency, is in Santa Monica, California. Their services include UX/UI Design and Digital Strategy.Read More
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1862$5,000+2 - 9 employeesLos Angeles, CAMicroComp LLC is an e-commerce development firm. The small Los Angeles, California-based team offers E-Commerce Development and Graphic Design. The firm was launched in 2009.Read More
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1863$5,000+2 - 9 employeesLos Angeles, CATYRANT KING INC is a Los Angeles, California-based e-commerce development company. Founded in 2002, the team specializes in E-Commerce Development and Graphic Design.Read More
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1864$5,000+2 - 9 employeesSan Francisco, CAE-commerce development company Zen Den Web Design was launched in 2008. The team provides E-Commerce Development and Search Engine Optimization and is based in San Francisco, California.Read More
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1865$5,000+2 - 9 employeesLos Angeles, CAComp Pros is a Los Angeles, California-based web design company. The team focuses on Web Design and Social Media Marketing.Read More
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1866$5,000+2 - 9 employeesSan Diego, CAFounded in 2009, Lionwish is a SEO company. The team specializes in Search Engine Optimization and Pay Per Click and is in San Diego, California.Read More
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1867$5,000+2 - 9 employeesCarlsbad, CAShovel Creative, Inc. Is a branding agency founded in 2010. The agency offers Branding and Search Engine Optimization, and is small.Read More
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1868$5,000+2 - 9 employeesSan Diego, CATop Ranking Media is a branding agency. They are located in San Diego, California. Their team focuses on Branding and E-Commerce Development.Read More
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1869$5,000+2 - 9 employeesSan Diego, CAESearch Marketing is a small San Diego, California-based Advertising company. Their services include Advertising and Pay Per Click.Read More
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1870$5,000+2 - 9 employeesSolana Beach, CABased in Solana Beach, California, Events Online is a small branding company. Their services include Branding and E-Commerce Development.Read More
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1871$5,000+2 - 9 employeesLos Angeles, CAAvital Web is a SEO agency located in Los Angeles, California. They specialize in Search Engine Optimization and Pay Per Click.Read More
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1872$5,000+2 - 9 employeesClovis, CALaunched in 2014, Moore Than SEO is a small Email Marketing company. Their services include Email Marketing and Marketing Strategy.Read More
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1873$5,000+2 - 9 employeesOntario, CACCS Interactive, an Email Marketing company, was launched in 1995. Headquartered in Ontario, California, the team specializes in Email Marketing and Search Engine Optimization.Read More
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1874$5,000+2 - 9 employeesLong Beach, CASEO Savvy is an Advertising company. The Long Beach, California-based team specializes in Advertising and Content Marketing.Read More
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1875Undisclosed2 - 9 employeesSan Diego, CADigital Strategy company Brands Ignited specializes in Digital Strategy and Event Marketing. They are headquartered in San Diego, California.Read More
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1876Undisclosed2 - 9 employeesSan Francisco, CARed Bridge Internet, a web design agency, is located in San Francisco, California. They offer Web Design and E-Commerce Development.Read More
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1877Undisclosed2 - 9 employeesCalabasas, CAEstablished in 2003, Web Success Team is a PR firm. The small team provides Public Relations and Branding.Read More
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1878Undisclosed2 - 9 employeesLos Angeles, CAInfinite Communications is a small public relations firm located in Los Angeles, California. Their services include Public Relations and Graphic Design.Read More
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1879Undisclosed2 - 9 employeesLos Angeles, CAHeadquartered in Los Angeles, California, LightHouse Graphics is a graphic design agency. They provide Graphic Design and Search Engine Optimization.Read More
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1880Undisclosed2 - 9 employeesLake Forest, CA10th Degree is a Marketing Strategy company. The team focuses on Marketing Strategy and Digital Strategy and is based in Lake Forest, California.Read More
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1881Undisclosed2 - 9 employeesLos Angeles, CAJpdesign Interactive is an Email Marketing company. Established in 2006, the company specializes in Email Marketing and Graphic Design.Read More
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1882Undisclosed2 - 9 employeesLos Angeles, CAContent Marketing company nailed it! media is located in Los Angeles, California. Their services include Content Marketing and Email Marketing.Read More
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1883Undisclosed2 - 9 employeesSan Diego, CARaeSea Internet Marketing is a San Diego, California-based Email Marketing company. They provide Email Marketing and Pay Per Click and were established in 2002.Read More
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1884Undisclosed2 - 9 employeesLake Forest, CAHeadquartered in Lake Forest, California, The Keystone Team Corp. Is a Corporate Photography company. They specialize in Corporate Photography and Digital Strategy.Read More
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1885Undisclosed2 - 9 employeesSan Francisco, CAGrowth Ledge Agency is a Content Marketing company based in San Francisco, California. The team provides Content Marketing and Logo.Read More
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1886Undisclosed2 - 9 employeesSan Francisco, CASolar Marketing Group is an Advertising company. The San Francisco, California-based team focuses on Advertising and Event Marketing.Read More
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1887Undisclosed2 - 9 employeesNewport Beach, CAOut to Launch is a St. Augustine, Florida-based Content Marketing company. They focus on Content Marketing and Email Marketing and were founded in 2015.Read More
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1888Undisclosed2 - 9 employeesClovis, CAEstablished in 2016, Optimizi is a web design company. The small team specializes in Web Design and Search Engine Optimization.Read More
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1889Undisclosed2 - 9 employeesVisalia, CALaunched in 2000, EzDATAfind is a branding agency. Their team offers Branding and Content Marketing.Read More
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1890Undisclosed2 - 9 employeesCarlsbad, CAEstablished in 2013, Trafficdeveloper is a branding firm. Their services include Branding and E-Commerce Development.Read More
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