Top 100 SEO Companies in California
The Best of September 2026Looking 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.
List of the Best California SEO Firms
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601Undisclosed10 - 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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602$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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603$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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604$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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605Undisclosed2 - 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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606$1,000+2 - 9 employeesLake Forest, CASEO agency OCWebPros was founded in 2026. In Lake Forest, California, the team focuses on Search Engine Optimization and Web Design.Read More
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607Undisclosed2 - 9 employeesPalo Alto, CAItscool.ai is a SEO company. Headquartered in Palo Alto, California, the agency focuses on Search Engine Optimization and Content Marketing.Read More
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608$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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609$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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610$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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611Undisclosed10 - 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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612$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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613Undisclosed50 - 249 employeesMountain View, CARead More
ReputationDefender is a public relations firm. Their midsize team is located in Redwood City, California; Tempe, Arizona and Liverpool, United Kingdom. Their services include public relations, cybersecurity, and search engine optimization. The company was established in 2006.
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614Undisclosed10 - 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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615$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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616$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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617$1,000+10 - 49 employeesSan Diego, CALaunched in 2015, Rank Unlimited Marketing is an Advertising company. The agency offers Advertising and Search Engine Optimization.Read More
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618Undisclosed50 - 249 employeesLos Angeles, CAWhite Label DM is a midsize social media marketing firm. Launched in 2018, the team specializes in social media marketing, search engine optimization, and pay per click. The agency is located in Los Angeles, California.Read More
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619Undisclosed250 - 999 employeesSanta Rosa, CAPBHS is a web design company. Established in 1977, the team offers Web Design and Video Marketing. The firm is in Santa Rosa, California.Read More
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620$1,000+10 - 49 employeesSacramento, CABased in Sacramento, California, MarketinGear is a web design agency. They specialize in Web Design and Search Engine Optimization.Read More
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621$5,000+10 - 49 employeesSanta Monica, CAEmpress is a social media marketing agency. The team specializes in Social Media Marketing and Email Marketing and is located in Santa Monica, California.Read More
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622$1,000+2 - 9 employeesIrvine, CAShorthand Content Marketing is a Content Marketing company established in 2018. Their services include Content Marketing and Social Media Marketing.Read More
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623$1,000+2 - 9 employeesSanta Rosa, CAWeb design company Fitz Designz is located in Santa Rosa, California. Their services include Web Design and Pay Per Click.Read More
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624$25,000+10 - 49 employeesSanta Monica, CALaneways Software and Digital Pty Ltd is a small software development company. The Port Melbourne, Australia-based company was founded in 2012. Their services include Custom Software Development, UX/UI Design, Application Management & Support, E-Commerce Development, and more.Read More
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Quantum UnderwritingIndustries
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625Undisclosed2 - 9 employeesGrover Beach, CACrackerjack Strategies is a Digital Strategy company. They offer Digital Strategy and Search Engine Optimization and were launched in 2020.Read More
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626$1,000+2 - 9 employeesGlendale, CAPR Register is a social media marketing firm. In Glendale, California, the firm was launched in 2020. Their services include Social Media Marketing and Search Engine Optimization.Read More
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627$1,000+10 - 49 employeesLos Angeles, CAAttorney Marketing Network is a SEO services firm established in 2010. The agency specializes in Search Engine Optimization and Social Media Marketing.Read More
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Charles J. Argento & Associates BertoldoIndustries
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628$5,000+2 - 9 employeesSan Jose, CAIStudios Media, a video production company, offers Video Production and Web Design. The agency is in San Jose, California and Phoenix, Arizona.Read More
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629Undisclosed2 - 9 employeesLos Angeles, CARead More
Furniture Branding is a strategic branding and marketing agency founded in Sherman Oaks, Calif. in 2010. With over two employees, they offer branding, digital strategy, and social media marketing solutions to clients across various industries.
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Domus Design CollectionIndustries
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630$1,000+10 - 49 employeesLos Angeles, CAEWM NOW is a Conversion Optimization company. Their small team is based in Los Angeles, California and offers Conversion Optimization and Digital Strategy. The agency was launched in 2018.Read More
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