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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661$1,000+2 - 9 employeesAnaheim, CAXPand Los Angeles Web Design is a web design agency. Their small team is based in Anaheim, California. Their team focuses on Web Design and Search Engine Optimization.Read More
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662$50,000+50 - 249 employeesWalnut Creek, CAMira Commerce, an e-commerce development company, was founded in 2004. Their midsize team is in Walnut Creek, California; Santa Fe de la Vera Cruz, Argentina and Warszawa, Poland. Their services include E-Commerce Development, Search Engine Optimization, UX/UI Design, and Web Development.Read More
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663Undisclosed10 - 49 employeesSacramento, CAInfiniSEO, a SEO company, is based in Sacramento, California. They offer Search Engine Optimization and Digital Strategy.Read More
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664$1,000+2 - 9 employeesSan Diego, CAWeb design agency White Wonder Studios was launched in 1998. The agency offers Web Design and Digital Strategy, and is small.Read More
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665$1,000+10 - 49 employeesSacramento, CAContractorsVault is a SEO company. The agency is located in Sacramento, California. Their services include Search Engine Optimization and Pay Per Click.Read More
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666$1,000+2 - 9 employeesTorrance, CADigiwei, a small SEO agency, is based in Torrance, California. The team offers Search Engine Optimization and Pay Per Click.Read More
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667$1,000+2 - 9 employeesPasadena, CA12 Steps Marketing is a small SEO company. Launched in 2017, the team focuses on Search Engine Optimization and Pay Per Click.Read More
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668Undisclosed10 - 49 employeesSan Diego, CAGraphic2Traffic, a web design agency, was launched in 2015. The firm offers Web Design and Search Engine Optimization, and is small.Read More
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669$5,000+10 - 49 employeesSan Francisco, CARead More
Based in San Francisco, California; Washington, District of Columbia and Boston, Massachusetts, Media Cause is an advertising company. The small firm was established in 2010. Their services include advertising, branding, digital strategy, search engine optimization, and more.
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670$5,000+10 - 49 employeesEl Segundo, CAContent Marketing company imFORZA provides Content Marketing and Search Engine Optimization. They are in El Segundo, California.Read More
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671Undisclosed50 - 249 employeesLos Angeles, CAMidsize branding company Manage Amazon, is located in Los Angeles, California. They offer Branding, Search Engine Optimization, Pay Per Click, Product Design, and more and were founded in 2023.Read More
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672Undisclosed10 - 49 employeesLos Angeles, CAMahalo Consulting is a pay per click agency. Their small team is headquartered in Los Angeles, California. Their services include Pay Per Click and Search Engine Optimization.Read More
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673$1,000+10 - 49 employeesLos Angeles, CASEO agency Digi Aesthetics is headquartered in Los Angeles, California. Founded in 2007, the team offers Search Engine Optimization and Social Media Marketing.Read More
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674$5,000+2 - 9 employeesRohnert Park, CAROI Factory is a Conversion Optimization company. Their small team is based in Rohnert Park, California and Auburn, California. Their services include Conversion Optimization and Digital Strategy.Read More
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675$1,000+2 - 9 employeesClovis, CAConsultSmart LLC is a social media marketing firm headquartered in West Hollywood, California. They specialize in social media marketing, search engine optimization, pay per click, and web design and were launched in 2024.Read More
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676$10,000+2 - 9 employeesPleasanton, CABOFUlab is a Pleasanton, California-based PPC company. The team provides Pay Per Click and Search Engine Optimization.Read More
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677$1,000+2 - 9 employeesRedding, CAHeadflood is a Content Marketing company launched in 2009. The company specializes in Content Marketing and Search Engine Optimization, and is small.Read More
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678$5,000+2 - 9 employeesWestlake Village, CAZeem Digital, a web design company, was founded in 2022. The agency provides Web Design and Search Engine Optimization.Read More
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679Undisclosed2 - 9 employeesLos Angeles, CASEO company SEO Rank Media was established in 2024. The team specializes in Search Engine Optimization and Pay Per Click.Read More
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680$1,000+10 - 49 employeesOrange, CABeyond Media Solutions is a pay per click company established in 2016. The company specializes in Pay Per Click and Search Engine Optimization.Read More
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681$1,000+10 - 49 employeesSacramento, CAStan Consulting is a SEO services firm. The Sacramento, California-based team provides Search Engine Optimization and Branding.Read More
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682$1,000+10 - 49 employeesBurbank, CADVC is a Digital Strategy company. The team specializes in Digital Strategy and Social Media Marketing and is headquartered in Burbank, California and Trinity, Florida.Read More
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683$1,000+10 - 49 employeesFresno, CACyber Puzzle Net is a small SEO services firm. They focus on Search Engine Optimization and Web Design and were launched in 2020.Read More
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684$1,000+2 - 9 employeesHuntington Beach, CADigneeti Web Solution is a Digital Strategy company. The Huntington Beach, California-based team specializes in Digital Strategy and Social Media Marketing.Read More
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685$1,000+10 - 49 employeesSan Francisco, CARead More
Headquartered in Melbourne, Australia, Left Leads MSP Marketing is a digital strategy company. Launched in 2017, the small team specializes in digital strategy, pay per click, content marketing, conversion optimization, and more.
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686Undisclosed10 - 49 employeesRiverside, CALemonade Stand is a Content Marketing company. Their small team is headquartered in Riverside, California and Orem, Utah. Their services include Content Marketing and Digital Strategy.Read More
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687$1,000+10 - 49 employeesIrvine, CAWeb design agency iCreativeCanvas is headquartered in Irvine, California. The team offers Web Design and Web Development.Read More
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688Undisclosed10 - 49 employeesLos Angeles, CAEstablished in 2005, Website Depot Inc. Digital Marketing & SEO is a small social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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689$1,000+2 - 9 employeesGlendale, CAData Hunters is a branding agency. The Glendale, California-based company was established in 2016. Their services include Branding and Social Media Marketing.Read More
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690$100,000+50 - 249 employeesSan Diego, CARed Door Interactive is a branding company. Their midsize team is based in San Diego, California and Denver, Colorado. Their services include Branding and Social Media Marketing.Read More
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