Top 100 SEO Companies in California
The Best of April 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.
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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2371$5,000+2 - 9 employeesLos Angeles, CAIsland Technologies is an e-commerce development company. In Los Angeles, California, the team provides E-Commerce Development and Email Marketing.Read More
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2372$5,000+2 - 9 employeesSacramento, CAHeadquartered in Sacramento, California, Systemadik is a small Marketing Strategy company. Their services include Marketing Strategy and Digital Strategy.Read More
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2373$5,000+2 - 9 employeesRancho Cordova, CADigital Gear is a website development company. Their small team is located in Rancho Cordova, California. Their services include Web Development and Branding.Read More
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2374$5,000+2 - 9 employeesWest Hollywood, CAHeadquartered in West Hollywood, California and Seattle, Washington, Deviate Labs, LLC is an Advertising company. Established in 2014, the small team specializes in Advertising, Marketing Strategy, Pay Per Click, Email Marketing, and more.Read More
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2375Undisclosed2 - 9 employeesGlendale, CAThe Curating is a graphic design company. In Glendale, California, the company focuses on Graphic Design and Web Design.Read More
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2376Undisclosed2 - 9 employeesSan Francisco, CAFounded in 2008, Switchblade Creative Studios, Inc. Is a small Digital Strategy company headquartered in San Francisco, California. Their team focuses on Digital Strategy and Graphic Design.Read More
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2377Undisclosed2 - 9 employeesSan Francisco, CASmall public relations agency Clement | Peterson, is located in San Francisco, California and Golden, Colorado. The team provides Public Relations and Content Marketing.Read More
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2378Undisclosed2 - 9 employeesSacramento, CAScribe Digital Creative Agency, a branding agency, offer Branding and Packaging Design. They were established in 2014.Read More
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2379Undisclosed2 - 9 employeesFountain Valley, CAG3 Creative, Inc. Is a small Fountain Valley, California-based Advertising company. The team provides Advertising and Branding.Read More
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2380Undisclosed2 - 9 employeesCulver City, CAIn Culver City, California, SMDesign Studio is a small e-commerce development company. The team provides E-Commerce Development and Web Design.Read More
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2381Undisclosed2 - 9 employeesFresno, CALevel 5 Technology Solutions is a web design company in Fresno, California. Established in 2009, the team focuses on Web Design and Logo.Read More
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2382Undisclosed2 - 9 employeesFresno, CAFounded in 2009, Socient is a small web design company located in Fresno, California. Their team provides Web Design and Search Engine Optimization.Read More
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2383Undisclosed2 - 9 employeesLancaster, CAEstablished in 1991, JR'S Handling is an Email Marketing company. Their team offers Email Marketing and Direct Marketing.Read More
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2384Undisclosed2 - 9 employeesAlhambra, CAEstablished in 2014, Cascadia Capital Corporations is an IT managed services company. The team specializes in IT managed services and Business Consulting.Read More
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2385Undisclosed2 - 9 employeesIrvine, CAMoxie Marketing Agency is a Content Marketing company. They specialize in Content Marketing and Email Marketing and are based in Irvine, California.Read More
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2386Undisclosed2 - 9 employeesAnaheim, CAApp development firm MediaOne Digital Studios provides Mobile App Development and Web Design. They are located in Anaheim, California.Read More
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2387Undisclosed2 - 9 employeesSan Clemente, CAComtek Website Design is a mobile application development company. Their team is in San Clemente, California and offers Mobile App Development and Web Design.Read More
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2388Undisclosed2 - 9 employeesIrvine, CATekLMC is a small e-commerce development firm in Irvine, California. The team focuses on E-Commerce Development and Web Design.Read More
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2389Undisclosed2 - 9 employeesLong Beach, CAImperial Digital Marketing, a Content Marketing company, is located in Long Beach, California. Their services include Content Marketing and Social Media Marketing.Read More
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2390Undisclosed2 - 9 employeesCerritos, CANirmiti Inc. Is a SEO services firm. Launched in 2001, the team focuses on Search Engine Optimization and Web Design.Read More
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2391$1,000+2 - 9 employeesSan Diego, CARead More
Excl Networks, a web design company, is located in San Diego, California. The small company was founded in 2016. Their team specializes in web design, web development, custom software development, advertising, and more.
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2392Undisclosed2 - 9 employeesRiverside, CAAdvertising company NV Media specializes in Advertising and Web Design. They were founded in 2016.Read More
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2393Undisclosed2 - 9 employeesSan Diego, CAMediascape Advertising, a small Advertising company, is in San Diego, California. Their services include Advertising and Branding.Read More
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2394Undisclosed2 - 9 employeesSan Marcos, CAELocal Web Solutions is a social media marketing firm. Launched in 2012, the agency is based in San Marcos, California. Their services include Social Media Marketing and Content Marketing.Read More
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2395Undisclosed2 - 9 employeesLincoln, CALaunched in 2011, Adrian Agency is a small branding agency. Their services include Branding and Marketing Strategy.Read More
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2396Undisclosed2 - 9 employeesSan Francisco, CALocated in San Francisco, California, SyCo Media Inc. Is a small social media marketing company. Their services include Social Media Marketing and Email Marketing.Read More
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2397Undisclosed2 - 9 employeesFremont, CAGlobal Search Council is a small branding firm founded in 2017. Their services include Branding and Social Media Marketing.Read More
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2398Undisclosed2 - 9 employeesHuntington Beach, CAExclusive Business Marketing is a Huntington Beach, California-based Advertising company. Their services include Advertising and Social Media Marketing.Read More
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2399Undisclosed2 - 9 employeesDublin, CALocated in Dublin, California, SimpleeLabs Inc is a social media marketing company. Their services include Social Media Marketing and Content Marketing.Read More
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2400Undisclosed2 - 9 employeesMalibu, CABranding firm The Business Agency is located in Malibu, California. They offer Branding and Social Media Marketing.Read More
Industries
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