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
Industries
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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
Industries
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1891Undisclosed2 - 9 employeesLos Angeles, CAEstablished in 2004, LAS Digital Agency is a small Los Angeles, California-based Digital Strategy company. Their team specializes in Digital Strategy and Email Marketing.Read More
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1892Undisclosed2 - 9 employeesBakersfield, CAUgly Duck Marketing is an UX design company. They are in Bakersfield, California and Santa Monica, California and have small team. They specialize in UX/UI Design and Branding.Read More
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1893Undisclosed2 - 9 employeesLancaster, CARewt Marketing is a branding firm. They were established in 2019, and their services include Branding and Graphic Design.Read More
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1894Undisclosed2 - 9 employeesSan Francisco, CASuperior Virtual - Digital Marketing Agency, an Email Marketing company, was launched in 2007. They offers Email Marketing and Graphic Design.Read More
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1895Undisclosed2 - 9 employeesStockton, CACassandra with An Attitude is an Event Marketing company. They are in Stockton, California and have small team. They provide Event Marketing and Pay Per Click.Read More
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1896Undisclosed2 - 9 employeesSanta Barbara, CAMission Web Marketing is a Santa Barbara, California-based Email Marketing company. The team focuses on Email Marketing and Pay Per Click.Read More
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1897Undisclosed2 - 9 employeesChico, CAHeadquartered in Chico, California, Half a Bubble Out Advertising is an Advertising company. They specialize in Advertising and Email Marketing.Read More
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1898Undisclosed2 - 9 employeesRedding, CAJCI Marketing, a branding agency, is headquartered in Redding, California. Launched in 2012, the team offers Branding and Graphic Design.Read More
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1899Undisclosed2 - 9 employeesRedding, CABridgeHouse Marketing is a branding firm located in Redding, California. The team focuses on Branding and E-Commerce Development.Read More
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1900Undisclosed2 - 9 employeesCosta Mesa, CALaunched in 2011, WebVisable Digital Marketing & Web Solutions is a SEO agency. The team provides Search Engine Optimization and Digital Strategy.Read More
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1901Undisclosed2 - 9 employeesHermosa Beach, CA7th Floor Digital is a branding agency launched in 2012. Their services include Branding and Marketing Strategy.Read More
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1902Undisclosed2 - 9 employeesRedondo Beach, CASmall branding company Status Marketing Group, is headquartered in Redondo Beach, California. The team provides Branding and Pay Per Click.Read More
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1903Undisclosed2 - 9 employeesLivermore, CAMarketing Magic Mojo is a branding agency. Their team is in Livermore, California. The firm offers Branding and Pay Per Click.Read More
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1904Undisclosed2 - 9 employeesRichmond, CABuzzgen, an Advertising company, is located in Richmond, California. They provide Advertising and Email Marketing.Read More
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1905Undisclosed2 - 9 employeesCosta Mesa, CASearch Owls is a Costa Mesa, California-based Email Marketing company. They specialize in Email Marketing and Pay Per Click.Read More
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1906Undisclosed2 - 9 employeesRiverside, CALystra Marketing & Consulting is a Conversion Optimization company headquartered in Riverside, California. Their services include Conversion Optimization and Email Marketing.Read More
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1907Undisclosed2 - 9 employeesSan Francisco, CABased in San Francisco, California, Digital Sparx Marketing is a Content Marketing company. They provide Content Marketing and Marketing Strategy.Read More
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1908Undisclosed2 - 9 employeesAlpine, CAVertical Guru is a branding company. Established in 2005, the team specializes in Branding and Digital Strategy. The agency is in Alpine, California.Read More
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1909Undisclosed2 - 9 employeesSan Diego, CAPuzzle Pieces Marketing is a Marketing Strategy company. The San Diego, California-based company was established in 2009. Their team specializes in Marketing Strategy and Public Relations.Read More
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1910Undisclosed2 - 9 employeesAnaheim, CAXcentric Solutions is a web design company. They are located in Anaheim, California and have small team. Their services include Web Design and Search Engine Optimization.Read More
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1911Undisclosed2 - 9 employeesSan Luis Obispo, CASpark Inbound Marketing, an Email Marketing company, was founded in 2000. The small team focuses on Email Marketing and Search Engine Optimization.Read More
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1912Undisclosed2 - 9 employeesRoseville, CARPM National is a branding firm founded in 2015. The small team provides Branding and Corporate Photography.Read More
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1913Undisclosed2 - 9 employeesRoseville, CAFOSSmg, an Advertising company, was launched in 2001. They provides Advertising and Branding.Read More
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1914Undisclosed2 - 9 employeesThousand Oaks, CAViral Marketing is a Content Marketing company. Their small team is in Thousand Oaks, California and Camarillo, , California. Their services include Content Marketing and Pay Per Click.Read More
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1915Undisclosed2 - 9 employeesCitrus Heights, CAICHRONstudio is an Advertising company. Their small team of employees is in Citrus Heights, California. Their team focuses on Advertising and Public Relations.Read More
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1916Undisclosed2 - 9 employeesAnaheim, CASocial media marketing company Pub Club Leads was founded in 2009. Located in Anaheim, California, the team provides Social Media Marketing and Pay Per Click.Read More
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1917Undisclosed2 - 9 employeesAnaheim, CAHighrise Elite Marketing, an application development company, specializes in Mobile App Development and Search Engine Optimization. The company is headquartered in Anaheim, California.Read More
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1918Undisclosed2 - 9 employeesAnaheim, CAKinetic InterActive is an Email Marketing company. Their small team of employees is located in Anaheim, California. Their team provides Email Marketing and Business Consulting.Read More
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1919Undisclosed2 - 9 employeesRancho Cordova, CALaunched in 2017, Squirrel Digital Marketing, a small Email Marketing company, is in Rancho Cordova, California. Their team focuses on Email Marketing and Marketing Strategy.Read More
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1920Undisclosed2 - 9 employeesDanville, CAAJN solutions, a Corporate Training & Coaching company, is in Danville, California. Their services include Corporate Training & Coaching and Email Marketing.Read More
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