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
-
2371Undisclosed2 - 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
-
2372Undisclosed2 - 9 employeesBeverly Hills, CA3N Marketing is a video production company launched in 2017. Their team offers Video Production and Media Planning & Buying.Read More
Industries
-
2373Undisclosed2 - 9 employeesCarlsbad, CADigital Marketing Doctor Agency, a small branding company, is in Carlsbad, California. Their services include Branding and Social Media Marketing.Read More
Industries
-
2374Undisclosed2 - 9 employeesManhattan Beach, CAPacificwebtraffic.com is an Advertising company located in Manhattan Beach, California. The team specializes in Advertising and Marketing Strategy.Read More
-
2375Undisclosed2 - 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
-
2376Undisclosed2 - 9 employeesSan Diego, CAFotex Labs is a branding agency. Located in San Diego, California, the company provides Branding and Social Media Marketing.Read More
-
2377Undisclosed2 - 9 employeesBurbank, CAPolaris Marketing & Consulting is a small branding agency launched in 2019. Their team offers Branding and IT managed services.Read More
-
2378Undisclosed250 - 999 employeesSan Francisco, CATransmission is a branding firm based in Dallas, Texas and London, England. The team offers Branding and Media Planning & Buying.Read More
Industries
-
2379$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
Industries
-
2380$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
Industries
-
2381Undisclosed50 - 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
-
2382$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
-
2383$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
Industries
-
2384$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
Industries
-
2385$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
Industries
-
2386$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
-
2387$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
-
2388Undisclosed2 - 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
-
2389Undisclosed2 - 9 employeesLos Angeles, CAFuzee Media, a Business Consulting company, was launched in 2016. The team offers Business Consulting and Search Engine Optimization.Read More
-
2390Undisclosed2 - 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
-
2391Undisclosed2 - 9 employeesIrvine, CATalent Evolution, LLC is a small social media marketing firm headquartered in Irvine, California. Their services include Social Media Marketing and Search Engine Optimization.Read More
-
2392Undisclosed2 - 9 employeesLake Forest, CAMedia Blend, a web design company, is in Lake Forest, California. The team offers Web Design and Search Engine Optimization.Read More
-
2393Undisclosed2 - 9 employeesPasadena, CASEO agency WOWu Digital Marketing was founded in 2015. The company provides Search Engine Optimization and Web Design.Read More
-
2394Undisclosed2 - 9 employeesOceanside, CAOliver Web Guy is a web design agency. They are in Oceanside, California and have small team. They provide Web Design and Branding.Read More
-
2395Undisclosed2 - 9 employeesSimi Valley, CASJO Consulting Group is an IT managed services company. Their small team is headquartered in Simi Valley, California. Their services include IT managed services and Search Engine Optimization.Read More
-
2396Undisclosed2 - 9 employeesEl Cajon, CA619 Creative is an UX company headquartered in El Cajon, California. Established in 2015, the team provides UX/UI Design and Web Design.Read More
-
2397Undisclosed2 - 9 employeesModesto, CAWeb Design Just For You is a web design agency. The Modesto, California-based agency offers Web Design and Graphic Design.Read More
-
2398Undisclosed2 - 9 employeesAlamo, CABased in Alamo, California, Pinevision Design Studio is a web design company. The team offers Web Design and Branding.Read More
-
2399Undisclosed2 - 9 employeesElk Grove, CASynthesis : MCM is an e-commerce development company based in Elk Grove, California. They provide E-Commerce Development and Web Design.Read More
-
2400Undisclosed2 - 9 employeesTustin, CAAspect Communication is a small Tustin, California-based Email Marketing company. Their services include Email Marketing and Social Media Marketing.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
