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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1141$1,000+2 - 9 employeesSan Francisco, CA150birds is an Advertising company in San Francisco, California. They focus on Advertising and Branding.Read More
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1142$1,000+2 - 9 employeesSan Ramon, CABlueZooWeb is a web design company. They are in San Ramon, California. Their team focuses on Web Design and Branding.Read More
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1143Undisclosed2 - 9 employeesVisalia, CAEstablished in 1990, On the Horizon Communications is an Advertising company. Their services include Advertising and Public Relations.Read More
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1144$1,000+10 - 49 employeesPalo Alto, CAThe Backlink Company, a SEO agency, is located in Palo Alto, California and Helsinki, Finland. They provide Search Engine Optimization and were founded in 2023.Read More
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1145Undisclosed2 - 9 employeesWalnut Creek, CATEEDUP, an Email Marketing company, was launched in 2018. The team offers Email Marketing and Digital Strategy and is headquartered in Walnut Creek, California.Read More
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1146$1,000+2 - 9 employeesBeverly Hills, CAFounded in 2018, Digital Beverly is a PPC company. The team specializes in Pay Per Click and Search Engine Optimization.Read More
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1147$1,000+2 - 9 employeesCarlsbad, CAFounded in 2012, Push Marketing is a small Carlsbad, California-based Content Marketing company. Their team specializes in Content Marketing and Digital Strategy.Read More
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1148$1,000+2 - 9 employeesFontana, CADigital Market Mind, a social media marketing firm, focuses on Social Media Marketing and Search Engine Optimization. The agency is based in Fontana, California and Eastvale, California.Read More
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1149$1,000+2 - 9 employeesTruckee, CAWeb design company Tahoe Marketing was established in 2018. The team focuses on Web Design and Social Media Marketing and is headquartered in Truckee, California.Read More
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1150$1,000+2 - 9 employeesMurrieta, CASavvy Branding Group is a branding agency. They are located in Murrieta, California and have small team of experts. Their services include Branding and Content Marketing.Read More
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1151$1,000+10 - 49 employeesSan Jose, CATRIPIKA is a custom software development company founded in 2007. The firm specializes in Custom Software Development and HR Consulting.Read More
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1152$5,000+10 - 49 employeesSanta Clara, CATas Technologies is a Mississauga, Canada-based custom software development company. Their services include Custom Software Development and E-Commerce Development.Read More
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1153$1,000+10 - 49 employeesLos Angeles, CAKyngdom Digital Marketing Agency, an Advertising company, offers Advertising and Digital Strategy. The company is located in Los Angeles, California and San Diego, California.Read More
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1154$10,000+10 - 49 employeesIrvine, CAArdent Consulting Agency is a Digital Strategy company. Headquartered in Irvine, California, the agency was launched in 2016. Their services include Digital Strategy and Social Media Marketing.Read More
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1155$1,000+10 - 49 employeesGlendale, CAEstablished in 2006, Digilite Los Angeles is a mobile app development company. Based in Glendale, California, the team specializes in Mobile App Development and E-Commerce Development.Read More
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1156Undisclosed10 - 49 employeesBrentwood, CASuperior Tech Solutions, an Advertising company, was established in 1995. The firm provides Advertising and Branding, and is small.Read More
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1157$10,000+10 - 49 employeesSan Dimas, CAFounded in 2018, Inlandtek Inc. Is a small social media marketing company. Their team focuses on Social Media Marketing and Content Marketing.Read More
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1158$1,000+10 - 49 employeesSacramento, CADanber Technologies is a graphic design company. Their small team of employees is based in Sacramento, California. Their team offers Graphic Design and Mobile App Development.Read More
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1159$1,000+2 - 9 employeesWoodland, CAModern Roots Marketing LLC is a branding agency. Headquartered in Woodland, California, their small team offers Branding and Content Marketing. The company was launched in 2018.Read More
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1160$5,000+2 - 9 employeesStockton, CALaunched in 2012, ONE ELEVEN web design is a web design agency. Headquartered in Stockton, California, the team specializes in Web Design and Web Development.Read More
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1161Undisclosed2 - 9 employeesDel Mar, CA9byNine is a Digital Strategy company. Their small team of employees is in Del Mar, California. Their team provides Digital Strategy and Search Engine Optimization.Read More
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1162$1,000+2 - 9 employeesLake Forest, CALaunched in 2015, Bright Media House Marketing is a small Conversion Optimization company. Their services include Conversion Optimization and Digital Strategy.Read More
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1163$1,000+2 - 9 employeesLos Angeles, CAEstablished in 2017, Conversions 360 is a PPC agency. The team offers Pay Per Click and Social Media Marketing and is located in Los Angeles, California.Read More
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1164$1,000+2 - 9 employeesOrangevale, CAOrangevale SEO is a Content Marketing company. In Orangevale, California, the firm provides Content Marketing and Other Digital Marketing.Read More
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1165$1,000+2 - 9 employeesSan Jose, CAStrategy33 is a small branding agency launched in 2018. Their team offers Branding and Digital Strategy.Read More
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1166$5,000+2 - 9 employeesLos Angeles, CABEYOND OKAY is a web design agency launched in 2021. The company specializes in Web Design and Web Development, and is small.Read More
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1167$1,000+2 - 9 employeesRiverside, CANewport Marketing is a SEO company in Riverside, California. They specialize in Search Engine Optimization and Pay Per Click and were launched in 2017.Read More
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1168Undisclosed2 - 9 employeesSan Francisco, CAColumn & Row Consulting is a San Francisco, California-based Digital Strategy company. Their services include Digital Strategy and Content Marketing.Read More
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1169$1,000+2 - 9 employeesSanta Monica, CAMarketing Strategy company Victoria Hous is based in Santa Monica, California. The team provides Marketing Strategy and Social Media Marketing.Read More
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1170$5,000+2 - 9 employeesGlendale, CAFounded in 2021, 7Rock Marketing is a small Email Marketing company. Their team specializes in Email Marketing and Search Engine Optimization.Read More
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