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
-
$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
Industries
-
$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
Industries
-
1561Undisclosed10 - 49 employeesWestlake Village, CAMerchant Centric is a SEO company in Westlake Village, California. Established in 2013, the team focuses on Search Engine Optimization.Read More
-
1562Undisclosed2 - 9 employeesLos Angeles, CAParasol Leads is a Los Angeles, California-based SEO agency. They focus on Search Engine Optimization and were founded in 2001.Read More
-
1563Undisclosed2 - 9 employeesEl Monte, CADESIGN 101 US GROUP is a small El Monte, California-based SEO agency. The team focuses on Search Engine Optimization.Read More
-
1564Undisclosed2 - 9 employeesSan Diego, CABest SEO Worldwide is a SEO services firm. The agency is headquartered in San Diego, California. Their team specializes in Search Engine Optimization.Read More
-
1565Undisclosed50 - 249 employeesIrvine, CAFounded in 2013, First Page USA is a SEO company. The midsize team provides Search Engine Optimization and Social Media Marketing.Read More
-
1566Undisclosed10 - 49 employeesLos Angeles, CASoftvira, a SEO services firm, was launched in 2016. The firm provides Search Engine Optimization.Read More
-
1567Undisclosed50 - 249 employeesFolsom, CAAnuva LLC, a SEO company, focuses on Search Engine Optimization and Web Development. The firm is based in Folsom, California.Read More
-
1568UndisclosedFreelancer employeesSacramento, CAMobile app development company Electric Web is in Sacramento, California. They focus on mobile app development, custom software development, digital strategy, search engine optimization, and more and were launched in 2010.Read More
-
1569Undisclosed2 - 9 employeesIrvine, CASocial Hospitality, a Content Marketing company, is headquartered in Irvine, California. Launched in 2011, the team offers Content Marketing and Search Engine Optimization.Read More
-
1570$5,000+2 - 9 employeesSan Francisco, CALaunched in 2005, Sum Digital is a small social media marketing firm headquartered in San Francisco, California. Their team focuses on Social Media Marketing and Conversion Optimization.Read More
Industries
-
1571$1,000+2 - 9 employeesSan Francisco, CACircleClick is a Content Marketing company founded in 2009. The team offers Content Marketing and Pay Per Click.Read More
Industries
-
1572$5,000+2 - 9 employeesRedwood City, CAFounded in 1999, Perkolate Marketing & Design is a small Las Vegas, Nevada-based Digital Strategy company. Their services include Digital Strategy and Graphic Design.Read More
Industries
-
1573$5,000+2 - 9 employeesSacramento, CAFLX Interactive is a branding agency. They are located in Sacramento, California, and their services include Branding and Search Engine Optimization.Read More
Industries
-
1574$5,000+2 - 9 employeesSacramento, CAWebVantage Marketing, a social media marketing company, was launched in 2009. The small team focuses on Social Media Marketing and Search Engine Optimization.Read More
-
1575$5,000+2 - 9 employeesSacramento, CANoble Image is a Sacramento, California-based SEO services firm. Founded in 1998, the team provides Search Engine Optimization and Web Design.Read More
-
1576$5,000+2 - 9 employeesSanta Monica, CAStill Water Interactive is a SEO company launched in 1998. Located in Santa Monica, California, the team provides Search Engine Optimization and Social Media Marketing.Read More
-
1577Undisclosed2 - 9 employeesAltadena, CABrand Orbit is an Advertising company launched in 1967. Their team focuses on Advertising and Public Relations.Read More
-
1578Undisclosed2 - 9 employeesFresno, CAPanic Website Design is a web design company. The Fresno, California-based agency was founded in 2018. Their services include Web Design and Logo.Read More
-
1579Undisclosed2 - 9 employeesBakersfield, CABranding firm GENUINE WEB provides Branding and Search Engine Optimization. They were established in 2004.Read More
-
1580Undisclosed2 - 9 employeesChula Vista, CATeam Soda, a small Digital Strategy company, is based in Chula Vista, California. The team focuses on Digital Strategy and Marketing Strategy.Read More
-
1581Undisclosed2 - 9 employeesChula Vista, CAPendio is a Digital Strategy company. They are based in Chula Vista, California and have small team. Their team offers Digital Strategy and Mobile & App Marketing.Read More
-
1582Undisclosed2 - 9 employeesBonita, CAHeadquartered in Bonita, California, Chula Vista Web Marketing is a Digital Strategy company. They focus on Digital Strategy and Search Engine Optimization and were established in 1997.Read More
-
1583Undisclosed2 - 9 employeesChula Vista, CAWeb Design Chula Vista is a small Digital Strategy company in Chula Vista, California. Their services include Digital Strategy and Search Engine Optimization.Read More
-
1584Undisclosed2 - 9 employeesChula Vista, CAHuerto Design, a Digital Strategy company, was founded in 2000. The team offers Digital Strategy and Graphic Design.Read More
-
1585Undisclosed2 - 9 employeesSalinas, CAE-commerce development company equaTEK Interactive was launched in 2003. The team provides E-Commerce Development and Search Engine Optimization and is headquartered in Salinas, California.Read More
-
1586Undisclosed2 - 9 employeesPasadena, CAFounded in 2017, Cloud Connected is a small Pasadena, California-based PPC company. Their services include Pay Per Click and Search Engine Optimization.Read More
-
1587Undisclosed2 - 9 employeesPasadena, CALaunched in 2014, RAISED MARKETING is an Advertising company. The team specializes in Advertising and Branding.Read More
-
1588Undisclosed2 - 9 employeesStockton, CASmall Corporate Photography company Monster Design Studios, is headquartered in Stockton, California. The team focuses on Corporate Photography and IT managed services.Read More
-
1589Undisclosed2 - 9 employeesStockton, CAEmail Marketing company Mayaco Marketing & Internet was founded in 1994. The agency offers Email Marketing and Search Engine Optimization, and is small.Read More
-
1590Undisclosed2 - 9 employeesVista, CAVIP-Effect is a website development company. They were founded in 2011, and their services include Web Development and Graphic Design.Read More
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed SEO Company in California
Check out a SEO Company in California with the most new reviews in the past 12 months.
Most Reviewed
SEO Company
California
- 11 12 new reviews
- 12 11 new reviews
- 13 11 new reviews
- 14 10 new reviews
- 15 9 new reviews
