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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2101$1,000+2 - 9 employeesLa Verne, CARevved Digital, a web design agency, was established in 2018. Located in La Verne, California, the team focuses on Web Design and Conversion Optimization.Read More
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2102$1,000+2 - 9 employeesChico, CAEstablished in 2022, Elevate Market Solutions is a web design agency. The agency provides Web Design and Search Engine Optimization.Read More
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2103$1,000+2 - 9 employeesSonora, CASmall social media marketing firm Sprightly Marketing LLC, is in Sonora, California. The team offers Social Media Marketing and Search Engine Optimization.Read More
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2104$1,000+2 - 9 employeesSacramento, CAWebtamin is a web design agency. The firm is in Sacramento, California. Their services include Web Design and Web Development.Read More
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2105$1,000+2 - 9 employeesEscondido, CAIdeas to Life Media is a social media marketing firm. The small Escondido, California-based team offers Social Media Marketing and Content Marketing. The agency was established in 2024.Read More
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2106$1,000+2 - 9 employeesAlhambra, CASpace Panda is a social media marketing agency located in Alhambra, California. Founded in 2020, the team offers Social Media Marketing and Content Marketing.Read More
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2107Undisclosed2 - 9 employeesFresno, CAHeadquartered in Fresno, California, Royalty Site Design is a branding firm. They specialize in Branding and Search Engine Optimization.Read More
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2108Undisclosed2 - 9 employeesSan Diego, CAOneBiz Marketing Solutions is a SEO company. They are in San Diego, California and have small team. They offer Search Engine Optimization and Web Design.Read More
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2109$1,000+2 - 9 employeesSacramento, CAToplink Design Studio is a small branding agency. They focus on Branding, Marketing Strategy, Digital Strategy, Search Engine Optimization, and more and were founded in 2024.Read More
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2110Undisclosed2 - 9 employeesSan Jose, CADevZev is a social media marketing agency. Their team is located in San Jose, California. The agency provides Social Media Marketing and Content Marketing.Read More
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2111$1,000+2 - 9 employeesVisalia, CAATQLeads is a social media marketing agency founded in 2022. Based in Visalia, California, the team specializes in Social Media Marketing and Content Marketing.Read More
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2112$1,000+2 - 9 employeesLos Angeles, CABranding company Slog Design, LLC is based in Los Angeles, California. They offer Branding and Search Engine Optimization and were founded in 2023.Read More
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2113$1,000+Freelancer employeesLos Angeles, CASEO Compliant is a SEO services firm. They are headquartered in Los Angeles, California. Their team focuses on Search Engine Optimization and Web Design.Read More
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2114UndisclosedFreelancer employeesSacramento, CASacramento Design Works, a branding agency, is based in Sacramento, California. The team specializes in Branding and Search Engine Optimization.Read More
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2115UndisclosedFreelancer employeesLa Mesa, CACyber Clutch Solutions, a Marketing Strategy company, is based in La Mesa, California. They offer Marketing Strategy and Social Media Marketing.Read More
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2116$1,000+Freelancer employeesLong Beach, CASmall SEO company ITECH AGENCY, is headquartered in Long Beach, California. Their services include Search Engine Optimization and Video Production.Read More
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2117$5,000+Freelancer employeesSan Jose, CAMade at Dawn is a web design company based in San Jose, California. Founded in 2019, the team offers Web Design and Web Development.Read More
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2118$1,000+10 - 49 employeesSan Mateo, CARead More
Digicorns Technologies, a UX agency, is based in San Mateo, California and Noida, India. The firm offers ux/ui design, social media marketing, search engine optimization, pay per click, and more and has a small team.The firm was established in 2019.
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2119$1,000+Freelancer employeesLos Angeles, CASoftyfier is a Los Angeles, California-based web design agency. Their services include Web Design and Web Development.Read More
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2120Undisclosed2 - 9 employeesSan Marcos, CAMilVet Media is a Digital Strategy company launched in 2013. The team provides Digital Strategy and Web Development.Read More
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2121$1,000+2 - 9 employeesLong Beach, CALocal Galaxy is a web design agency established in 2000. The small team offers Web Design and Web Development.Read More
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2122$1,000+50 - 249 employeesSan Francisco, CAWired Wisdom Media is a midsize Ecommerce Marketing company. Founded in 2022, the team focuses on Ecommerce Marketing and Branding.Read More
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2123Undisclosed2 - 9 employeesElk Grove, CAFounded in 2020, Cattzilla is a small Elk Grove, California-based Content Marketing company. Their team focuses on Content Marketing and Conversion Optimization.Read More
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2124$1,000+Freelancer employeesWest Hollywood, CASimple More Online is a branding agency. Launched in 2015, their team offers Branding and Conversion Optimization.Read More
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2125$1,000+250 - 999 employeesLos Angeles, CASmartSites is a SEO agency founded in 2011. The company focuses on Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing and has a midsize team. The company is in Paramus, New Jersey; Chamblee, Georgia; Detroit, Michigan and Raleigh, North Carolina.Read More
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2126$5,000+Freelancer employeesAlameda, CALeverageDigital.io is a web design agency. Established in 2020, the team focuses on Web Design and Search Engine Optimization.Read More
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2127UndisclosedFreelancer employeesSan Diego, CAJuggle Media is a social media marketing company. The San Diego, California-based firm was established in 2022. Their services include Social Media Marketing and Content Marketing.Read More
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2128$1,000+Freelancer employeesLos Angeles, CASmall Digital Strategy company Click SEO Agency, is located in Los Angeles, California. The team provides Digital Strategy and Content Marketing.Read More
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2129$1,000+Freelancer employeesPacheco, CAABDigitalGrowthPro is a Digital Strategy company. The Pacheco, California-based team offers Digital Strategy and Email Marketing.Read More
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2130$1,000+Freelancer employeesVallejo, CALamb Consulting - Small Biz Marketing is an Advertising company headquartered in Vallejo, California. The team focuses on Advertising and Graphic Design.Read More
Industries
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