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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2071$5,000+Freelancer employeesLos Angeles, CASlick Development is an e-commerce development company in Los Angeles, California. The team specializes in E-Commerce Development and Mobile App Development.Read More
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2072$1,000+Freelancer employeesSan Francisco, CAMEANINGFUL SEO is a Content Marketing company headquartered in San Francisco, California. They provide Content Marketing and Search Engine Optimization and were launched in 2005.Read More
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2073$1,000+2 - 9 employeesSan Diego, CAGREEN BIRD MEDIA is a small branding firm established in 2005. Their team provides Branding and Social Media Marketing.Read More
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2074$5,000+2 - 9 employeesLincoln, CAEstablished in 2000, Infinite Design & Marketing, a small web design company, is in Lincoln, California. Their team offers Web Design and Custom Software Development.Read More
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2075UndisclosedFreelancer employeesLancaster, CARead More
Digital Marketing Agency was founded in 2000 and is located in Lancaster, Calif. The company is run by a freelancer who offers digital strategy, social media marketing, SEO, web design, and web development services.
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Hit and Pivot Enterprises Inc. -
2076UndisclosedFreelancer employeesSan Diego, CANickTrep Designs is a branding agency launched in 2020. The team focuses on Branding and Search Engine Optimization and is headquartered in San Diego, California.Read More
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2077$5,000+10 - 49 employeesLos Angeles, CABrenton Way is a pay per click agency based in Los Angeles, California; Los Angeles, California; Palo Alto, California and New York, New York. The small firm was founded in 2017. Their team specializes in Pay Per Click, Social Media Marketing, Email Marketing, Search Engine Optimization, and more.Read More
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T-MobileIndustries
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2078$5,000+10 - 49 employeesLong Beach, CAFounded in 1993, RMD Group Inc is an Advertising company. Located in Long Beach, California and Union City, California, the team provides Advertising and Branding.Read More
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2079$5,000+10 - 49 employeesFresno, CAMJR Creative Group is a small Fresno, California-based SEO company. Their services include Search Engine Optimization and Advertising.Read More
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2080$10,000+10 - 49 employeesSan Diego, CASmall branding firm GiantSky, is located in Philadelphia, Pennsylvania and San Diego, California. Their services include Branding and UX/UI Design.Read More
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2081$1,000+10 - 49 employeesRedwood City, CALaunched in 2004, EM Marketing is a branding company. The team focuses on Branding and Content Marketing and is headquartered in Redwood City, California.Read More
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2082$1,000+10 - 49 employeesSan Francisco, CAROI·DNA is a small San Francisco, California-based branding firm. The team specializes in Branding and Social Media Marketing.Read More
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2083$5,000+10 - 49 employeesSan Francisco, CASEO company Ideal Visibility is based in San Francisco, California. They focus on Search Engine Optimization and Pay Per Click.Read More
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2084$5,000+10 - 49 employeesSacramento, CAWeb design agency Outback Solutions is in Sacramento, California. The team focuses on Web Design and Web Development.Read More
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2085Undisclosed10 - 49 employeesLos Angeles, CA8 Circle Media is a PR firm. The Los Angeles, California-based agency was founded in 2012. Their team specializes in Public Relations and Branding.Read More
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2086Undisclosed10 - 49 employeesUnion City, CAClatter Chatter Inc is a social media marketing agency established in 2013. Their services include Social Media Marketing and Pay Per Click.Read More
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2087Undisclosed10 - 49 employeesModesto, CAT3 Direct is a Modesto, California-based Content Marketing company. Their services include Content Marketing and Conversion Optimization.Read More
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2088Undisclosed10 - 49 employeesNewport Beach, CABig Hype Marketing is a small branding company in Newport Beach, California. Their services include Branding and Graphic Design.Read More
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2089Undisclosed10 - 49 employeesWalnut Creek, CASmall social media marketing firm WebGrit, is based in Walnut Creek, California. The team provides Social Media Marketing and Content Marketing.Read More
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2090Undisclosed10 - 49 employeesVista, CALocated in Vista, California, Pinnacle Branding Solutions is a small web design company. Their services include Web Design and Branding.Read More
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2091Undisclosed10 - 49 employeesLaguna Hills, CASEO services firm and website development company Roundbrix was founded in 2002. The small team specializes in Search Engine Optimization and Web Development.Read More
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2092Undisclosed10 - 49 employeesLivermore, CACox eLearning Consulting, a small Email Marketing company, is based in Livermore, California. Their services include Email Marketing and Business Consulting.Read More
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2093Undisclosed10 - 49 employeesLos Angeles, CALaunched in 2011, Ruiz Strategies is a social media marketing agency. The company focuses on Social Media Marketing and Content Marketing, and is small.Read More
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2094Undisclosed10 - 49 employeesPleasanton, CAKJ DesignPro is a Pleasanton, California-based social media marketing company. Launched in 2000, the team focuses on Social Media Marketing and Graphic Design.Read More
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2095Undisclosed10 - 49 employeesLos Angeles, CAWADM is a Los Angeles, California-based branding agency. They provide Branding and Social Media Marketing.Read More
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2096Undisclosed10 - 49 employeesLos Angeles, CASlake Marketing is a branding agency. They are based in Los Angeles, California, and their services include Branding and Social Media Marketing.Read More
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2097UndisclosedFreelancer employeesSacramento, CAUmami Digital Marketing Solutions is a small SEO agency launched in 2022. Their team offers Search Engine Optimization and Web Design.Read More
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2098$5,000+10 - 49 employeesLos Angeles, CABrave New Media is a small Advertising company. They offer Advertising and Branding and were launched in 1998.Read More
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2099$1,000+2 - 9 employeesSan Clemente, CAPlanted Marketing is a small San Clemente, California-based Marketing Strategy company. Their services include Marketing Strategy and Other Marketing.Read More
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2100Undisclosed10 - 49 employeesSan Jose, CARightapp4u is a Content Marketing company. Their small team of employees is in San Jose, California. Their team offers Content Marketing and Search Engine Optimization.Read More
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