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.
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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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2461Undisclosed2 - 9 employeesChico, CAHeadquartered in Chico, California, Klages Web Design is a small Advertising company. The team focuses on Advertising and Search Engine Optimization.Read More
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2462Undisclosed2 - 9 employeesChico, CAEstablished in 2016, Michael Ruiz Consulting is an Email Marketing company. The firm offers Email Marketing and Search Engine Optimization.Read More
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2463Undisclosed2 - 9 employeesLos Angeles, CABig Brain Los Angeles, a small branding agency, is headquartered in Los Angeles, California. The team focuses on Branding and Search Engine Optimization.Read More
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2464Undisclosed2 - 9 employeesChino Hills, CABeech Street Digital is a Content Marketing company. They offer Content Marketing and Digital Strategy and were founded in 2012.Read More
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2465Undisclosed2 - 9 employeesDowney, CARokvue is a branding agency. They specialize in Branding and Search Engine Optimization and are headquartered in Downey, California.Read More
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2466Undisclosed2 - 9 employeesDowney, CAPharo, a SEO company, was established in 2018. The agency offers Search Engine Optimization and Social Media Marketing.Read More
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2467Undisclosed2 - 9 employeesRoseville, CAAdvanced Development Concepts, LLC is a Corporate Training & Coaching company. The Roseville, California-based firm focuses on Corporate Training & Coaching and Business Consulting.Read More
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2468Undisclosed2 - 9 employeesEl Cajon, CABased in El Cajon, California, Anchor Troll Marketing is a pay per click company. Launched in 2017, the team offers Pay Per Click and Search Engine Optimization.Read More
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2469Undisclosed2 - 9 employeesAliso Viejo, CARoReUs - Web Designing Company is a graphic design company. The Aliso Viejo, California-based team focuses on Graphic Design and Search Engine Optimization.Read More
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2470Undisclosed2 - 9 employeesCarlsbad, CATK HighTech, a graphic design agency, specializes in Graphic Design and Logo. The firm is located in Carlsbad, California.Read More
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2471Undisclosed2 - 9 employeesSan Diego, CABEOK Web Design Company is a graphic design agency. Founded in 2009, the team focuses on Graphic Design and Search Engine Optimization. The firm is based in San Diego, California.Read More
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2472Undisclosed2 - 9 employeesOakhurst, CAMoss Web Works is an e-commerce development company. Established in 2011, the company provides E-Commerce Development and Search Engine Optimization.Read More
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2473Undisclosed2 - 9 employeesSan Luis Obispo, CAMeadows Interactive is a SEO services firm. Their small team is based in San Luis Obispo, California. Their team focuses on Search Engine Optimization and Social Media Marketing.Read More
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2474Undisclosed2 - 9 employeesSan Jose, CASBZD Marketing and Web design is a small San Jose, California-based graphic design agency. Their services include Graphic Design and Pay Per Click.Read More
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2475Undisclosed2 - 9 employeesElk Grove, CAMultimedia One, an e-commerce development company, is based in Elk Grove, California. Launched in 2006, the team specializes in E-Commerce Development and Search Engine Optimization.Read More
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2476Undisclosed2 - 9 employeesElk Grove, CAWebmax IT INC is a SEO agency. They are headquartered in Elk Grove, California and have small team. Their team offers Search Engine Optimization and Social Media Marketing.Read More
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2477Undisclosed2 - 9 employeesRedwood City, CAHeART – Bay Area Web Design, a small Logo company, is in Redwood City, California. The team focuses on Logo and Search Engine Optimization.Read More
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2478Undisclosed2 - 9 employeesPetaluma, CAKazak Media is a small Business Consulting company in Petaluma, California. Their services include Business Consulting and Search Engine Optimization.Read More
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2479Undisclosed2 - 9 employeesLos Angeles, CAWeb Design & Development Los Angeles, a small SEO company, is based in Los Angeles, California. Their services include Search Engine Optimization and Direct Marketing.Read More
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2480Undisclosed2 - 9 employeesLos Angeles, CARubik Web is a social media marketing company. Their small team is headquartered in Los Angeles, California. Their team focuses on Social Media Marketing and Search Engine Optimization.Read More
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2481Undisclosed2 - 9 employeesClaremont, CAAcme Digital Marketing is a social media marketing firm. They are based in Claremont, California and have small team. They focus on Social Media Marketing and Search Engine Optimization.Read More
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2482Undisclosed2 - 9 employeesSanta Rosa, CAAdvertising Identity is an Advertising company founded in 1998. Based in Santa Rosa, California, the team provides Advertising and Branding.Read More
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2483Undisclosed2 - 9 employeesSan Diego, CAHang 10 Digital is a SEO agency. Established in 2022, the team provides Search Engine Optimization and Web Design.Read More
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2484Undisclosed2 - 9 employeesLos Angeles, CABig Star Production Group, a branding agency, was launched in 1996. The firm offers Branding and Search Engine Optimization.Read More
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2485Undisclosed2 - 9 employeesTustin, CABranding company Beveled Design Co. Is located in Tustin, California. They focus on Branding and Marketing Strategy and were launched in 2020.Read More
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2486Undisclosed2 - 9 employeesOxnard, CAJoshuaBridge.com is a branding company. In Oxnard, California, their team offers Branding and Search Engine Optimization.Read More
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2487Undisclosed2 - 9 employeesOntario, CALocated in Ontario, California, NO MARKETING LLC is a small Conversion Optimization company. The team offers Conversion Optimization and Search Engine Optimization.Read More
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2488Undisclosed2 - 9 employeesCampbell, CASmall SEO company North Valley Web, is headquartered in Campbell, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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2489$5,000+10 - 49 employeesSan Francisco, CARead More
EvolveDash Inc is a Content Marketing company. They are based in Montreal, Canada; San Francisco, California; Lahore, Pakistan and Dubai, United Arab Emirates and have a small team that provides Content Marketing, Search Engine Optimization, Mobile App Development, Social Media Marketing, and more. The company was launched in 2019.
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2490$5,000+10 - 49 employeesWalnut, CAEcompreneur is a Hazratpur Wajidpur, India-based e-commerce development firm. Their services include E-Commerce Development and Branding.Read More
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