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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2401Undisclosed2 - 9 employeesLos Angeles, CASocializeLA.com is a Fractional CMO Services company. The company is headquartered in Los Angeles, California. Their team specializes in Fractional CMO Services and Marketing Strategy.Read More
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2402Undisclosed2 - 9 employeesSan Diego, CAHytes Productions is a Marketing Strategy company. Their team is located in San Diego, California and specializes in Marketing Strategy and Fractional CMO Services.Read More
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2403Undisclosed2 - 9 employeesEl Cajon, CASmall branding firm Your Essential Techs, is located in El Cajon, California. The team specializes in Branding and Social Media Marketing.Read More
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2404Undisclosed2 - 9 employeesSan Jose, CADemandgen Consultant LLC, a Fractional CMO Services company, is headquartered in San Jose, California. They specialize in Fractional CMO Services and Social Media Marketing and were launched in 2022.Read More
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2405Undisclosed2 - 9 employeesLos Angeles, CASimply Branded is a Fractional CMO Services company launched in 2016. The agency offers Fractional CMO Services and Branding.Read More
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2406Undisclosed2 - 9 employeesLos Angeles, CAGreenlit Agency is a branding firm. They specialize in Branding and Market Research and were established in 2017.Read More
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2407Undisclosed2 - 9 employeesChula Vista, CAGutierrez Brand Group, LLC is a branding firm. Launched in 2010, the firm focuses on Branding and Market Research.Read More
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2408Undisclosed2 - 9 employeesLathrop, CAEstablished in 2008, Synergetic Web Group is a small web design agency in Lathrop, California. Their team provides Web Design and Web Development.Read More
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2409Undisclosed2 - 9 employeesPalo Alto, CANo Diamonds Web Services, a Marketing Strategy company, is based in Palo Alto, California. They specialize in Marketing Strategy and Social Media Marketing and were established in 2001.Read More
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2410Undisclosed2 - 9 employeesSan Diego, CADigital Hype Media, an Email Marketing company, is located in San Diego, California. They focus on Email Marketing and Video Production and were founded in 2020.Read More
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2411Undisclosed2 - 9 employeesSan Francisco, CACodepilot, Inc. Is a web design company launched in 2017. Their services include Web Design and Web Development.Read More
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2412Undisclosed2 - 9 employeesIrvine, CAOC Imagine is a web design agency. The Irvine, California-based agency was launched in 2021. Their services include Web Design and Custom Software Development.Read More
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2413Undisclosed2 - 9 employeesBeverly Hills, CA3N Marketing is a video production company launched in 2017. Their team offers Video Production and Media Planning & Buying.Read More
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2414Undisclosed2 - 9 employeesCarlsbad, CADigital Marketing Doctor Agency, a small branding company, is in Carlsbad, California. Their services include Branding and Social Media Marketing.Read More
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2415Undisclosed2 - 9 employeesManhattan Beach, CAPacificwebtraffic.com is an Advertising company located in Manhattan Beach, California. The team specializes in Advertising and Marketing Strategy.Read More
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2416Undisclosed2 - 9 employeesIrvine, CAFounded in 2008, Phoenix Afterglow is a small Irvine, California-based social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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2417Undisclosed2 - 9 employeesSan Diego, CAFotex Labs is a branding agency. Located in San Diego, California, the company provides Branding and Social Media Marketing.Read More
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2418Undisclosed2 - 9 employeesBurbank, CAPolaris Marketing & Consulting is a small branding agency launched in 2019. Their team offers Branding and IT managed services.Read More
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2419$10,000+250 - 999 employeesSan Francisco, CAOrganic is a Product Design company established in 1993. Their team focuses on Product Design and AR/VR development.Read More
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2420$5,000+10 - 49 employeesLong Beach, CAAssistance In Marketing Inc is an Advertising company. They are located in Morristown, New Jersey and Long Beach, California and have small team. Their team specializes in Advertising and Branding.Read More
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2421Undisclosed50 - 249 employeesCarlsbad, CAC Squared Social is a social media marketing agency launched in 2012. Their team specializes in Social Media Marketing and Email Marketing.Read More
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2422$1,000+50 - 249 employeesLos Angeles, CAInfowebusa Technologies is a SEO agency in Los Angeles, California and Noida, India. The team provides Search Engine Optimization and Pay Per Click.Read More
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2423$1,000+2 - 9 employeesMarina del Rey, CAEstablished in 2012, Half Dome Partners, a small SEO company, is headquartered in Marina del Rey, California. Their team focuses on Search Engine Optimization and Email Marketing.Read More
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2424$5,000+2 - 9 employeesVista, CALead Discovery is a Vista, California-based pay per click company. They offer Pay Per Click and Search Engine Optimization and were founded in 1998.Read More
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2425$5,000+2 - 9 employeesPasadena, CAMy Company Site is a SEO agency. They offer Search Engine Optimization and Web Design and are in Pasadena, California.Read More
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2426$5,000+2 - 9 employeesLos Angeles, CACognitext is a SEO company. Launched in 1995, the team specializes in Search Engine Optimization and Web Development.Read More
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2427$5,000+2 - 9 employeesLong Beach, CADigital Storm SEO is a SEO services firm. The Long Beach, California-based agency was established in 2015. Their services include Search Engine Optimization and Web Design.Read More
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2428Undisclosed2 - 9 employeesLos Angeles, CAS & H Public Relations, a PR company, is in Los Angeles, California. They provide Public Relations and Search Engine Optimization.Read More
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2429Undisclosed2 - 9 employeesLos Angeles, CAFuzee Media, a Business Consulting company, was launched in 2016. The team offers Business Consulting and Search Engine Optimization.Read More
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2430Undisclosed2 - 9 employeesCarlsbad, CAWebene is a graphic design company. Their small team is headquartered in Carlsbad, California. Their services include Graphic Design and Search Engine Optimization.Read More
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