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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541$5,000+2 - 9 employeesNewport Beach, CAKrest Marketing is a SEO company launched in 2015. Their team provides Search Engine Optimization and Content Marketing.Read More
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542$25,000+50 - 249 employeesSausalito, CAFounded in 2008, Watson Creative is a midsize branding company. Their team offers Branding, Marketing Strategy, Sports Marketing, Web Design, and more. The firm is located in Portland, Oregon; Seattle, Washington; Sausalito, California and Bend, Oregon.Read More
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Lego Nike Disney General ElectricIndustries
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543$1,000+2 - 9 employeesSacramento, CASpringHive is a web design company based in Sacramento, California. Launched in 2019, the team focuses on Web Design and Web Development.Read More
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544$5,000+10 - 49 employeesBakersfield, CAEstablished in 2018, YOUR SEO SHOP, a small social media marketing company, is based in Bakersfield, California. Their services include Social Media Marketing and Search Engine Optimization.Read More
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545Undisclosed10 - 49 employeesLos Angeles, CASocial media marketing firm Lead Revenue focuses on Social Media Marketing and Search Engine Optimization. They are in Los Angeles, California.Read More
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546$5,000+2 - 9 employeesFresno, CANettra Media is an Advertising company. The small Fresno, California-based team provides Advertising and Email Marketing. The firm was founded in 2018.Read More
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547$10,000+10 - 49 employeesIrvine, CALuminous Tec is a mobile app development company. Established in 2006, the team focuses on Mobile App Development and E-Commerce Development. The firm is located in Irvine, California.Read More
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548Undisclosed50 - 249 employeesPasadena, CAFox Dealer is an Advertising company. They were founded in 2013, and their services include Advertising and Email Marketing.Read More
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549$1,000+2 - 9 employeesLarkspur, CAContent Marketing company Page 1 Media was launched in 2018. The team focuses on Content Marketing and Conversion Optimization.Read More
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550$5,000+2 - 9 employeesIrvine, CAAdvertising company X3 Marketing focuses on Advertising and Video Production. They were founded in 2017.Read More
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551$5,000+2 - 9 employeesArtesia, CASumtotal Marketing, a SEO agency, was founded in 2013. They offers Search Engine Optimization and Pay Per Click.Read More
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552$1,000+2 - 9 employeesBrea, CAUnbiazed LLC is a SEO company. Located in Brea, California, their small team focuses on Search Engine Optimization and Pay Per Click. The company was established in 2014.Read More
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553$10,000+2 - 9 employeesChico, CAPeterson SEO is a SEO agency. They were founded in 2011 and specialize in Search Engine Optimization and Digital Strategy.Read More
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554Undisclosed2 - 9 employeesEl Cajon, CAClick Track Marketing is a SEO company. They are located in El Cajon, California and have small team. They offer Search Engine Optimization and Web Design.Read More
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555$5,000+50 - 249 employeesLos Angeles, CASEO services firm Web And SEO Hub is headquartered in Los Angeles, California. They offer Search Engine Optimization and Web Design.Read More
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556$5,000+2 - 9 employeesEl Dorado Hills, CAFounded in 2015, Front Street Media is a small El Dorado Hills, California-based social media marketing agency. Their team offers Social Media Marketing and Email Marketing.Read More
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557Undisclosed10 - 49 employeesHuntington Beach, CASEO agency Creactive Inc. Is based in Huntington Beach, California and San Antonio, Texas. Founded in 2015, the team offers Search Engine Optimization and Digital Strategy.Read More
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558$5,000+2 - 9 employeesWest Hollywood, CASEO agency and PPC company BeyondBrand.io was established in 2021. The team provides Search Engine Optimization and Pay Per Click and is in West Hollywood, California.Read More
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559$10,000+2 - 9 employeesSan Francisco, CASEO agency Digital Ninjas - Digital Marketing San Francisco was founded in 2008. The firm specializes in Search Engine Optimization and Advertising, and is small.Read More
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560$1,000+2 - 9 employeesLos Angeles, CAFounded in 2022, Orient8 Digital Marketing Agency is a SEO company. Their services include Search Engine Optimization and Content Marketing.Read More
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561Undisclosed2 - 9 employeesLos Angeles, CASamsh digital is a small social media marketing agency and SEO agency. They specialize in Social Media Marketing and Search Engine Optimization and were established in 2023.Read More
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562$1,000+2 - 9 employeesSan Diego, CAHeadquartered in San Diego, California, Web Narwhal is a web design agency. They provide Web Design and Search Engine Optimization.Read More
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563$5,000+10 - 49 employeesSacramento, CARead More
SymSoft Solutions is an advertising company. Their small team is headquartered in Sacramento, California. Their services include advertising, branding, digital strategy, search engine optimization, and more. The agency was launched in 2006.
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564$1,000+2 - 9 employeesLos Angeles, CAMOHBILITY is a pay per click company launched in 2015. The small team focuses on Pay Per Click and Search Engine Optimization.Read More
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565$1,000+2 - 9 employeesFolsom, CATrue Social Marketing is a web design agency. The team specializes in Web Design and UX/UI Design and is in Folsom, California.Read More
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566Undisclosed10 - 49 employeesLos Angeles, CAConversion Optimization company Conversion Giant is based in Los Angeles, California and Greenwood Village, Colorado. They offer Conversion Optimization and Digital Strategy and were founded in 2008.Read More
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567$1,000+10 - 49 employeesLos Angeles, CASEO company Justdigilab is headquartered in Los Angeles, California. Launched in 2020, the team offers Search Engine Optimization and Pay Per Click.Read More
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568Undisclosed10 - 49 employeesLong Beach, CAMilea Marketing is a social media marketing agency. They are located in Long Beach, California and have small team. Their services include Social Media Marketing and Search Engine Optimization.Read More
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569$1,000+2 - 9 employeesSan Diego, CASynergy Direct Solution LLC is an advertising company in San Diego, California. The small firm was founded in 2010. Their services include advertising, pay per click, search engine optimization, social media marketing, and more.Read More
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570$1,000+2 - 9 employeesHuntington Park, CASEO agency Digital is headquartered in Huntington Park, California. Founded in 2019, the team focuses on Search Engine Optimization and Social Media Marketing.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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