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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2701Undisclosed2 - 9 employeesHayward, CAEstablished in 2014, Calimak Web Solutions LLC is a small SEO company. Their services include Search Engine Optimization and Social Media Marketing.Read More
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2702Undisclosed2 - 9 employeesStockton, CAWhimsicode is a branding company. The small Stockton, California-based team provides Branding and Mobile App Development. The company was launched in 2016.Read More
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2703Undisclosed2 - 9 employeesEureka, CACarson Park Design is a small branding agency based in Eureka, California. The team provides Branding and Graphic Design.Read More
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2704Undisclosed2 - 9 employeesColton, CAInland Empire IT Services is an Email Marketing company. Headquartered in Colton, California, the company was established in 2015. Their team specializes in Email Marketing and Pay Per Click.Read More
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2705Undisclosed2 - 9 employeesHayward, CACalderon Marketing Systems is a Marketing Strategy company. In Hayward, California, the company was founded in 2012. Their team offers Marketing Strategy and Pay Per Click.Read More
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2706Undisclosed2 - 9 employeesThousand Oaks, CABranding firm 805 Web Designs is in Thousand Oaks, California. They provide Branding and E-Commerce Development and were launched in 2011.Read More
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2707Undisclosed2 - 9 employeesSimi Valley, CAE-Copywriters Plus is a branding company founded in 2016. Their team focuses on Branding and Corporate Photography.Read More
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2708Undisclosed2 - 9 employeesLos Angeles, CATru Designs is an UX design company. The company is located in Los Angeles, California. Their team focuses on UX/UI Design and Branding.Read More
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2709Undisclosed2 - 9 employeesThousand Oaks, CABlackDragonfly Designs is a small Thousand Oaks, California-based branding company. Their services include Branding and Corporate Photography.Read More
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2710Undisclosed2 - 9 employeesThousand Oaks, CAPriority Media, a small Email Marketing company, is based in Thousand Oaks, California. The team provides Email Marketing and Pay Per Click.Read More
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2711Undisclosed2 - 9 employeesLos Angeles, CACalifornia Web Solutions is a small e-commerce development company located in Los Angeles, California. Their services include E-Commerce Development and Graphic Design.Read More
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2712Undisclosed2 - 9 employeesThousand Oaks, CAAtlas Web Marketing is a PPC company. They are in Thousand Oaks, California and have small team. Their services include Pay Per Click and Search Engine Optimization.Read More
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2713Undisclosed2 - 9 employeesMoorpark, CAIdcubed.com, inc. Is an e-commerce development company in Moorpark, California. The team provides E-Commerce Development and Pay Per Click.Read More
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2714Undisclosed2 - 9 employeesLos Angeles, CASmall graphic design agency HaniDesign Web&Graphic Design, is headquartered in Los Angeles, California. The team offers Graphic Design and Print Design.Read More
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2715Undisclosed2 - 9 employeesThousand Oaks, CAWorxstudio, a branding firm, is in Thousand Oaks, California. Founded in 2018, the team focuses on Branding and Graphic Design.Read More
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2716Undisclosed2 - 9 employeesThousand Oaks, CASmall Advertising company Fuji 9, is located in Thousand Oaks, California. The team specializes in Advertising and Pay Per Click.Read More
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2717Undisclosed2 - 9 employeesThousand Oaks, CAAlpha Dog Online is an Email Marketing company. Their small team is in Thousand Oaks, California. Their team offers Email Marketing and Search Engine Optimization.Read More
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2718Undisclosed2 - 9 employeesChico, CAEstablished in 2018, Cliffside Creative is a small Chico, California-based Corporate Photography company. Their team offers Corporate Photography and Graphic Design.Read More
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2719Undisclosed2 - 9 employeesChico, CAFarrell Design Group is a small Chico, California-based graphic design company. The team focuses on Graphic Design and Logo.Read More
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2720Undisclosed2 - 9 employeesSanta Rosa, CAEstablished in 1987, Vinson Advertising Ads is an Advertising company. The team provides Advertising and Other Marketing and is located in Santa Rosa, California.Read More
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2721Undisclosed2 - 9 employeesThousand Oaks, CAFounded in 2009, BuzzBox Media is a small Marketing Strategy company based in Thousand Oaks, California. Their team specializes in Marketing Strategy and Search Engine Optimization.Read More
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2722Undisclosed2 - 9 employeesRoseville, CASatin Web Solutions is a Content Marketing company launched in 2008. Based in Roseville, California, the team focuses on Content Marketing and Marketing Strategy.Read More
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2723Undisclosed2 - 9 employeesSan Ramon, CALunar Digital Marketing is a social media marketing company. Founded in 2016, the company is located in San Ramon, California. Their team provides Social Media Marketing and Email Marketing.Read More
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2724Undisclosed2 - 9 employeesTorrance, CASmall web design company Dot Consulting, is headquartered in Torrance, California. The team focuses on Web Design and UX/UI Design.Read More
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2725Undisclosed2 - 9 employeesLos Alamitos, CAC. A. Web Design, Inc. Is a SEO agency. The Los Alamitos, California-based team provides Search Engine Optimization and Web Design.Read More
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2726Undisclosed2 - 9 employeesSanta Barbara, CADejalane web design is an Email Marketing company. The team is based in Santa Barbara, California, and their services include Email Marketing and Graphic Design.Read More
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2727Undisclosed2 - 9 employeesMountain View, CAFoothill Web, a Content Marketing company, specialize in Content Marketing and E-Commerce Development. They were established in 2008.Read More
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2728Undisclosed2 - 9 employeesSan Diego, CASan Diego Webworks is a small e-commerce development company established in 2000. Their services include E-Commerce Development and Pay Per Click.Read More
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2729Undisclosed2 - 9 employeesWest Hollywood, CASmall e-commerce development company Felix Kiner Web Design Studio, is headquartered in West Hollywood, California. The team provides E-Commerce Development and Search Engine Optimization.Read More
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2730Undisclosed2 - 9 employeesTurlock, CAWordpack Media is a Turlock, California-based Email Marketing company. Established in 2010, the team offers Email Marketing and Pay Per Click.Read More
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