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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2851Undisclosed2 - 9 employeesPasadena, CATrinus Corporation is an IT managed services company. They are in Pasadena, California and have small team. Their team offers IT managed services and Search Engine Optimization.Read More
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2852Undisclosed2 - 9 employeesClovis, CAMoreseos is a small Clovis, California-based user experience design company. Their services include UX/UI Design and Graphic Design.Read More
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2853Undisclosed2 - 9 employeesYucaipa, CAPeaks Advertising is a social media marketing agency. They were founded in 2016, and their services include Social Media Marketing and Web Design.Read More
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2854Undisclosed2 - 9 employeesSan Francisco, CADubasik Digital Marketing is a PPC agency. They are located in San Francisco, California. Their team provides Pay Per Click and Web Design.Read More
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2855Undisclosed2 - 9 employeesLos Angeles, CATrooper Lab is an Email Marketing company. Founded in 2016, the company is in Los Angeles, California. Their team offers Email Marketing and Conversion Optimization.Read More
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2856Undisclosed2 - 9 employeesSan Diego, CAEstablished in 1999, AMB Solutions is a social media marketing company. Their services include Social Media Marketing and Pay Per Click.Read More
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2857Undisclosed2 - 9 employeesPasadena, CAFinaltouchMEDIA is a branding firm. The Pasadena, California-based company was launched in 2016. Their team provides Branding and Market Research.Read More
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2858$1,000+10 - 49 employeesLos Angeles, CARush Republic, a social media marketing firm, was founded in 2013. The firm specializes in Social Media Marketing and Logo.Read More
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2859$5,000+10 - 49 employeesTorrance, CAOmnis Network, a Content Marketing company, was founded in 1999. Based in Torrance, California and , the team offers Content Marketing and Search Engine Optimization.Read More
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2860Undisclosed10 - 49 employeesSan Diego, CADigital Marketing Group LLC is a small Content Marketing company founded in 2013. Their team specializes in Content Marketing and Search Engine Optimization.Read More
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2861$5,000+50 - 249 employeesSan Francisco, CAUser experience company Tank Design focuses on UX/UI Design and Branding. They are in New York, New York and Cambridge, Massachusetts.Read More
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2862$10,000+50 - 249 employeesSan Francisco, CAMOI Global is an Advertising company. The midsize Weybridge, England-based team focuses on Advertising and Branding. The company was founded in 1987.Read More
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2863$1,000+1,000 - 9,999 employeesSan Jose, CARead More
LiveHelpIndia is a back office outsourcing company founded in 2006. They are headquartered in San Jose, California and have a midsize team. Their services include back office outsourcing, customer service outsourcing, and sales outsourcing.
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2864$1,000+50 - 249 employeesNewport Beach, CAEstablished in 2000, Your Practice Online is a branding company. Headquartered in Newport Beach, California and Bengaluru , India, the team provides Branding and Content Marketing.Read More
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2865Undisclosed10 - 49 employeesSan Francisco, CAClick Convert Marketing is a small PPC agency headquartered in San Francisco, California and Brymbo, Wales. Their services include Pay Per Click and Social Media Marketing.Read More
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2866$5,000+50 - 249 employeesEl Segundo, CAAugust 99, a web design company, provide Web Design and Web Development. They were launched in 1999.Read More
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2867$5,000+Freelancer employeesSan Diego, CABranding agency Redfin Designs was launched in 2010. Located in San Diego, California, the team offers Branding and Web Design.Read More
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2868UndisclosedFreelancer employeesSan Francisco, CA33Grafix, a graphic design company, specializes in Graphic Design and Logo. The firm is in San Francisco, California.Read More
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2869UndisclosedFreelancer employeesBrea, CAFounded in 2011, EIM Marketing is a PR firm. The team specializes in Public Relations and Video Production and is headquartered in Brea, California.Read More
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2870UndisclosedFreelancer employeesSunnyvale, CAJamie Hurt Copywriting, a Content Writing Services company, is based in Sunnyvale, California. Launched in 2023, the team provides Content Writing Services and Branding.Read More
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2871UndisclosedFreelancer employeesLos Angeles, CALocated in Los Angeles, California, PM Solutions Agency is a small Advertising company. The team provides Advertising and Branding.Read More
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2872UndisclosedFreelancer employeesMission Viejo, CAFinancial Copywriting Solutions is a Content Writing Services company. The team offers Content Writing Services and Content Marketing and is based in Mission Viejo, California.Read More
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2873UndisclosedFreelancer employeesCarlsbad, CAThe 360 Degree Marketer is a Fractional CMO Services company. Based in Carlsbad, California, their small team offers Fractional CMO Services and Social Media Marketing. The firm was launched in 2023.Read More
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2874UndisclosedFreelancer employeesSanta Barbara, CAKestrel Consultants, LLC. Is a branding firm. Located in Santa Barbara, California, the agency was established in 2023. Their services include Branding and Public Relations.Read More
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2875UndisclosedFreelancer employeesSacramento, CALimitless digital is a Sacramento, California-based Marketing Strategy company. They provide Marketing Strategy and Fractional CMO Services.Read More
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2876UndisclosedFreelancer employeesLos Altos, CAFractional CMO Services company FireStart Marketing is headquartered in Los Altos, California. They specialize in Fractional CMO Services and Branding.Read More
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2877UndisclosedFreelancer employeesSan Francisco, CAGuth Marketing Group is a small Fractional CMO Services company launched in 2016. Their team focuses on Fractional CMO Services and Branding.Read More
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2878UndisclosedFreelancer employeesCarlsbad, CAChromacor is a web design agency. Headquartered in Carlsbad, California, the agency was launched in 1999. Their services include Web Design and E-Commerce Development.Read More
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2879UndisclosedFreelancer employeesRoseville, CAEstablished in 2004, Janus Design is a web design agency. The team specializes in Web Design and Web Development and is in Roseville, California.Read More
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2880UndisclosedFreelancer employeesLong Beach, CAMetropaulitan Design is a branding company. They specialize in Branding and E-Commerce Development and are located in Long Beach, California.Read More
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