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.
List of the Best California SEO Firms
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511$1,000+10 - 49 employeesLos Angeles, CARead More
PR agency The Confluence was established in 2009. Their small team is in Los Angeles, California and offers public relations, branding, search engine optimization, content marketing, and more.
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512$1,000+2 - 9 employeesCampbell, CASacha Agency, a SEO company, focuses on Search Engine Optimization and Marketing Strategy. The company is based in Campbell, California.Read More
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513Undisclosed2 - 9 employeesMoraga, CASEO company and PPC agency SEOzone was launched in 2011. The firm offers Search Engine Optimization and Pay Per Click.Read More
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514$1,000+2 - 9 employeesRoseville, CAJCT Growth is a SEO company located in Roseville, California. Established in 2019, the team offers Search Engine Optimization and Content Marketing.Read More
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515$5,000+50 - 249 employeesLos Angeles, CASearch Marketing Experts, a SEO company, focus on Search Engine Optimization and Pay Per Click. They were established in 2005.Read More
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516$1,000+10 - 49 employeesLos Angeles, CAMedia One Group LLC is a mobile app development company based in Los Angeles, California and Antrim, Northern Ireland. The team provides Mobile App Development and Marketing Strategy.Read More
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517$5,000+10 - 49 employeesSanta Monica, CAMake It Rain is a SEO services firm. In Santa Monica, California, the agency was established in 2012. Their services include Search Engine Optimization and Content Marketing.Read More
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518$5,000+10 - 49 employeesSolana Beach, CACuker is an UX agency launched in 2006. The company specializes in UX/UI Design and Digital Strategy, and is small.Read More
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519$5,000+10 - 49 employeesSan Francisco, CALaunched in 1999, D E E P B L U E is a small web design agency. Their services include Web Design and Web Development.Read More
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520$1,000+2 - 9 employeesCosta Mesa, CAGoldero, a SEO services firm, is located in Costa Mesa, California and. They focus on Search Engine Optimization and Web Design and were established in 2014.Read More
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521$1,000+2 - 9 employeesFremont, CAFounded in 2019, Go Flippa is a SEO agency. The team provides Search Engine Optimization and Conversion Optimization and is headquartered in Fremont, California.Read More
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522Undisclosed2 - 9 employeesNapa, CADiffuse Digital Marketing is a SEO agency in Napa, California. Established in 2018, the team provides Search Engine Optimization and Social Media Marketing.Read More
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523$1,000+2 - 9 employeesLaguna Beach, CARazwerks is a SEO services firm. The team focuses on Search Engine Optimization and Pay Per Click, and the company is headquartered in Laguna Beach, California.Read More
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524$1,000+2 - 9 employeesSanta Monica, CAPrism Design Co is a SEO services firm. The Santa Monica, California-based agency was launched in 2018. Their team focuses on Search Engine Optimization and Web Design.Read More
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525$1,000+2 - 9 employeesSan Diego, CAVizolutions is a SEO company. Their team is in San Diego, California. The company offers Search Engine Optimization and Advertising.Read More
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526$1,000+10 - 49 employeesLos Angeles, CARead More
Established in 2007, Guru Web Media is a small web design agency. Their team provides web design, branding, search engine optimization, pay per click, and more. The agency is based in Los Angeles, California.
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527$1,000+10 - 49 employeesLos Angeles, CAVexoclub is a SEO services firm. Their small team of employees is headquartered in Los Angeles, California. Their team offers Search Engine Optimization and Web Design.Read More
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528$1,000+10 - 49 employeesNewport Beach, CALaunched in 2023, Seofy is an e-commerce development company and SEO services firm. The team offers E-Commerce Development and Search Engine Optimization.Read More
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529$1,000+2 - 9 employeesTemecula, CAPublic Advertising Agency, a web design company, was established in 2004. The company offers Web Design and Branding, and is small.Read More
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530$5,000+2 - 9 employeesSan Diego, CACounterflow Marketing is an Advertising company. The team specializes in Advertising and Search Engine Optimization and is in San Diego, California.Read More
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531Undisclosed50 - 249 employeesCarlsbad, CALaunched in 2002, L7 Advertising is a midsize SEO agency. Their team offers Search Engine Optimization and Pay Per Click.Read More
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532$1,000+2 - 9 employeesOrange, CASEO Company OC is a PPC company. Based in Orange, California, the company was established in 2004. Their services include Pay Per Click and Conversion Optimization.Read More
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533$1,000+50 - 249 employeesSan Jose, CAApp Wave INC is a web development firm. Founded in 2020, the team specializes in Web Development and Mobile App Development. The company is headquartered in San Jose, California.Read More
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534$1,000+10 - 49 employeesLos Angeles, CARead More
Web Designs Prime is an user experience design company. Their small team is located in Los Angeles, California and provides ux/ui design, branding, search engine optimization, web design, and more. The firm was established in 2015.
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535$1,000+10 - 49 employeesSacramento, CAStrive Marketing is a PPC agency. Launched in 2019, the agency is in Sacramento, California. Their team provides Pay Per Click and Search Engine Optimization.Read More
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536Undisclosed50 - 249 employeesSanta Monica, CASEO Services in California is a SEO agency established in 2018. They are based in Santa Monica, California and have a midsize team. Their services include Search Engine Optimization, Pay Per Click, Content Marketing, and Web Design.Read More
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537$5,000+2 - 9 employeesPleasanton, CASEO company Leads Ngin, Inc. Was launched in 2010. Based in Pleasanton, California, the team offers Search Engine Optimization and Pay Per Click.Read More
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538Undisclosed2 - 9 employeesYorba Linda, CASeyfmark is a SEO services firm. Their small team is headquartered in Yorba Linda, California and specializes in Search Engine Optimization and Pay Per Click. The agency was founded in 2014.Read More
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539$10,000+10 - 49 employeesPlacentia, CAArbitsol LLC is a Placentia, California-based SEO company. The team offers Search Engine Optimization and Web Design.Read More
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540Undisclosed10 - 49 employeesSan Jose, CAEstablished in 2020, San Jose SEO is a SEO services firm. The team offers Search Engine Optimization and Content Marketing and is based in San Jose, California.Read More
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Check out a SEO Company in California with the most new reviews in the past 12 months.
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