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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811Undisclosed2 - 9 employeesSalinas, CABranding firm Monterey Park Marketing is headquartered in Salinas, California. They specialize in Branding and Public Relations and were founded in 2023.Read More
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812$5,000+2 - 9 employeesRoseville, CARevenue Source is an Advertising company. Located in Roseville, California, their small team offers Advertising and Web Design. The firm was founded in 2017.Read More
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813$1,000+10 - 49 employeesSan Diego, CACNG Digital Marketing, a Content Marketing company, was established in 2016. The team offers Content Marketing and Pay Per Click.Read More
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814$1,000+10 - 49 employeesSan Diego, CAGrow Team, an Advertising company, is located in San Diego, California. They focus on Advertising and Branding.Read More
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815Undisclosed10 - 49 employeesCulver City, CAFounded in 1996, The Woo is a branding company. The agency focuses on Branding and Event Marketing, and is small.Read More
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816Undisclosed10 - 49 employeesSan Diego, CAEstablished in 2015, Macarta is a small Denver, Colorado-based Advertising company. Their team offers Advertising and Content Marketing.Read More
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817Undisclosed10 - 49 employeesLos Angeles, CAStudent Marketing Agency is a Content Marketing company headquartered in Los Angeles, California. Founded in 2016, the team specializes in Content Marketing and Pay Per Click.Read More
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818$1,000+10 - 49 employeesSan Diego, CASelnox infotech , a social media marketing agency, was established in 2022. They focuses on Social Media Marketing and Search Engine Optimization.Read More
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819$1,000+10 - 49 employeesSan Diego, CAZeOrbit - Web Designers & Mobile App Developers is a small SEO company launched in 2020. Their team focuses on Search Engine Optimization and Graphic Design.Read More
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820Undisclosed10 - 49 employeesIrvine, CAWeb Concepts Media is a branding company. Founded in 2001, the firm is based in Irvine, California. Their services include Branding and Content Marketing.Read More
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821$1,000+2 - 9 employeesIrvine, CASEO Expert Management LLC is an Irvine, California-based Business Consulting company. The team offers Business Consulting and Search Engine Optimization.Read More
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822$5,000+2 - 9 employeesTemecula, CAPPC company Just A Web Company, Inc. Was founded in 2011. The small team focuses on Pay Per Click and Search Engine Optimization.Read More
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823$5,000+2 - 9 employeesChico, CAMethod Marketing is a Digital Strategy company. Founded in 2016, the team provides Digital Strategy and Pay Per Click.Read More
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824$1,000+2 - 9 employeesCosta Mesa, CAGrand Digital Solutions is a SEO company. They offer Search Engine Optimization and Web Design and are based in Costa Mesa, California.Read More
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825$1,000+2 - 9 employeesLaguna Woods, CALFDM Marketing Advisors is a Digital Strategy company established in 2017. In Laguna Woods, California, the team provides Digital Strategy and Search Engine Optimization.Read More
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826$1,000+2 - 9 employeesUpland, CASEO company Odin Marketing House was established in 2017. Headquartered in Upland, California, the team provides Search Engine Optimization and Marketing Strategy.Read More
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827Undisclosed2 - 9 employeesSan Diego, CAContent Marketing company Sciencia Consulting is located in San Diego, California. They offer Content Marketing and Digital Strategy and were established in 2016.Read More
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828$5,000+10 - 49 employeesSacramento, CACreative Noggin is a Sacramento, California-based Marketing Strategy company. They focus on Marketing Strategy and Advertising.Read More
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829$1,000+2 - 9 employeesBakersfield, CAWolfpack Marketing, LLC is a SEO company. They were launched in 2026 and provide Search Engine Optimization and Social Media Marketing.Read More
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830$1,000+2 - 9 employeesSacramento, CAFounded in 2012, Webtronix Designs Web Agency is a SEO company. The team provides Search Engine Optimization and Pay Per Click.Read More
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831$1,000+2 - 9 employeesTemecula, CA39 Celsius Web Marketing Consulting is a Conversion Optimization company. The agency is based in Temecula, California. Their services include Conversion Optimization and Email Marketing.Read More
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Massage HeightsIndustries
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832$5,000+2 - 9 employeesLos Angeles, CAIBCnet is an Advertising company established in 1994. Their team specializes in Advertising and Branding.Read More
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833$1,000+2 - 9 employeesSan Francisco, CALorenzo Gutierrez Digital Marketing is a Content Marketing company. Based in San Francisco, California, the company was founded in 2018. Their services include Content Marketing and Digital Strategy.Read More
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834$1,000+2 - 9 employeesSebastopol, CABroadVision Marketing is a Content Marketing company headquartered in Sebastopol, California. They focus on Content Marketing and Conversion Optimization.Read More
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835$5,000+2 - 9 employeesMission Viejo, CAERPVAR, an ERP consulting and SI company, was established in 2012. The team offers ERP consulting and SI and Content Marketing and is headquartered in Mission Viejo, California.Read More
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836$5,000+2 - 9 employeesSan Diego, CATally&Mass is a Content Marketing company. Their team is headquartered in San Diego, California and San Diego, California and provides Content Marketing and Search Engine Optimization.Read More
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837$1,000+10 - 49 employeesSan Diego, CAWeSEOExperts is a SEO agency established in 2012. Headquartered in San Diego, California, the team focuses on Search Engine Optimization and Content Marketing.Read More
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838$1,000+10 - 49 employeesLos Angeles, CACheront is a Los Angeles, California-based web design agency. They focus on Web Design and Web Development.Read More
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839Undisclosed10 - 49 employeesSan Ramon, CASEO services firm MJ Dispensary Marketing is based in San Ramon, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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840$5,000+10 - 49 employeesSacramento, CASierra Exclusive Industries is a Conversion Optimization company launched in 2017. In Sacramento, California, the team offers Conversion Optimization and Search Engine Optimization.Read More
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