Top 100 SEO Companies in California
The Best of September 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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2851$1,000+Freelancer employeesSan Francisco, CABayWM.com is a Marketing Strategy company founded in 1996. Their team provides Marketing Strategy and Search Engine Optimization.Read More
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2852UndisclosedFreelancer employeesSan Francisco, CAValley Wizard Corporation is a small San Francisco, California-based Marketing Strategy company. The team provides Marketing Strategy and Search Engine Optimization.Read More
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2853UndisclosedFreelancer employeesSan Francisco, CAFounded in 2015, RDKmedia is a Digital Strategy company. The firm offers Digital Strategy and Graphic Design, and is small.Read More
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2854UndisclosedFreelancer employeesSan Jose, CALocated in San Jose, California, WSI Smart Web Marketing is a small Email Marketing company. Their services include Email Marketing and Search Engine Optimization.Read More
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2855UndisclosedFreelancer employeesVentura, CALaunched in 2003, Global Web FX Inc. Is a small Ventura, California-based social media marketing firm. Their services include Social Media Marketing and Email Marketing.Read More
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2856UndisclosedFreelancer employeesVentura, CADalgarn Web Design, a SEO services firm, provide Search Engine Optimization and Web Design. They were launched in 2012.Read More
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2857UndisclosedFreelancer employeesStockton, CAFounded in 1999, Jim Oliver Designer is an Advertising company. The small team provides Advertising and Graphic Design.Read More
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2858UndisclosedFreelancer employeesLos Angeles, CAWeb and SEO Guru is a Logo company. Launched in 2010, the agency focuses on Logo and Web Design.Read More
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2859UndisclosedFreelancer employeesFresno, CAFresno Webmasters is a Fresno, California-based Advertising company. They focus on Advertising and Social Media Marketing.Read More
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2860UndisclosedFreelancer employeesMill Valley, CAEstablished in 2012, Future Bright | Websites & Digital Marketing is a web design company. The team offers Web Design and Social Media Marketing and is in Mill Valley, California.Read More
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2861UndisclosedFreelancer employeesSausalito, CAStoryMade Studio is a social media marketing agency. Established in 2014, the team focuses on Social Media Marketing and Content Marketing. The firm is based in Sausalito, California.Read More
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2862UndisclosedFreelancer employeesDowney, CAFounded in 2023, Peter Lopez Copywriting is a Content Writing Services company. Their team offers Content Writing Services and Content Marketing.Read More
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2863UndisclosedFreelancer employeesNevada City, CAContent Writing Services company Wicked Good Copywriting is located in Nevada City, California. Their services include Content Writing Services and Content Marketing.Read More
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2864UndisclosedFreelancer employeesCovina, CAArcher Copywriting is a small Content Writing Services company. Launched in 2005, the team offers Content Writing Services and Content Marketing.Read More
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2865UndisclosedFreelancer employeesLos Angeles, CAUBuild Lenon is a social media marketing firm. The Los Angeles, California-based firm offers Social Media Marketing and Affiliate Marketing.Read More
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2866UndisclosedFreelancer employeesIrvine, CAAspire Catalyst is a social media marketing firm. Established in 2023, the firm offers Social Media Marketing and Content Marketing.Read More
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2867UndisclosedFreelancer employeesFresno, CACS Designs is a small Fresno, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2868UndisclosedFreelancer employeesSanta Clarita, CADesignAdict, a social media marketing company, was founded in 2016. They provides Social Media Marketing and Email Marketing.Read More
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2869UndisclosedFreelancer employeesRichmond, CADigitalaxy Media, a SEO company, is located in Richmond, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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2870UndisclosedFreelancer employeesLaguna Beach, CAFastweb.dev, a small web design company, is headquartered in Laguna Beach, California. Their services include Web Design and Web Development.Read More
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2871UndisclosedFreelancer employeesSan Francisco, CASearch Manipulator, a public relations company, is located in San Francisco, California. Their services include Public Relations and Digital Strategy.Read More
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2872UndisclosedFreelancer employeesPalmdale, CASocial media marketing company Suncrest Media is in Palmdale, California. Established in 2015, the team offers Social Media Marketing and Content Marketing.Read More
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2873UndisclosedFreelancer employeesMill Valley, CAWilder Strategy Lab is a social media marketing company. The Mill Valley, California-based firm provides Social Media Marketing and Search Engine Optimization.Read More
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2874Undisclosed10 - 49 employeesOceanside, CAPie Solutions is a branding company founded in 2008. Headquartered in Oceanside, California and Karachi, Pakistan, the team focuses on Branding and Search Engine Optimization.Read More
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2875Undisclosed10 - 49 employeesSan Jose, CAElevate Digital Services, a web development firm, is located in Dubai, United Arab Emirates and San Jose, California. Their services include Web Development and Mobile App Development.Read More
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2876$10,000+10 - 49 employeesIrvine, CALocated in New York, New York and Irvine, California, Dukas Linden is a PR agency. Launched in 2002, the team provides Public Relations and Social Media Marketing.Read More
Industries
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2877Undisclosed2 - 9 employeesIrvine, CABlack Wire Digital is a graphic design agency. They were launched in 2016, and their services include Graphic Design and Web Design.Read More
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2878$5,000+10 - 49 employeesLos Angeles, CAKento Systems is a small Accounting company. Launched in 1990, the team offers Accounting and Branding.Read More
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2879Undisclosed10 - 49 employeesLos Angeles, CAPushMyWeb.com is a graphic design company launched in 2010. Their team offers Graphic Design and Web Design.Read More
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2880Undisclosed10 - 49 employeesTemecula, CALaunched in 2004, DRIVEN360 is a public relations agency. The team offers Public Relations and Branding and is based in Temecula, California.Read More
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