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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901$1,000+2 - 9 employeesPasadena, CATerminus Agency is a small Pasadena, California-based social media marketing agency. Their services include Social Media Marketing and Web Design.Read More
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902$25,000+2 - 9 employeesLos Angeles, CADrawing From Memory is a small Advertising company established in 2008. Their services include Advertising and Branding.Read More
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903$5,000+2 - 9 employeesSan Diego, CAICatch Marketing LLC is a small Advertising company launched in 2014. Their team offers Advertising and Branding.Read More
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904$5,000+2 - 9 employeesSan Diego, CAAdvertising company Parallel Interactive specializes in Advertising and Branding. They were established in 1998.Read More
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905$5,000+2 - 9 employeesCastro Valley, CASEO PRO is a SEO agency. Their team is located in Castro Valley, California. The company provides Search Engine Optimization and Social Media Marketing.Read More
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906$5,000+2 - 9 employeesSan Jose, CAElectroRocket Productions is a San Jose, California-based Content Marketing company. They offer Content Marketing and Graphic Design.Read More
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907$10,000+2 - 9 employeesPasadena, CAThe AdMark Group, a small media planning & buying agency, is in Pasadena, California. Their services include Media Planning & Buying and Public Relations.Read More
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908$5,000+2 - 9 employeesBeverly Hills, CAMD Logica is a Business Consulting company. They are based in Beverly Hills, California and have small team. Their team offers Business Consulting and Pay Per Click.Read More
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909Undisclosed2 - 9 employeesLos Angeles, CARemnant Marketing is a Digital Strategy company. The team is based in Los Angeles, California, and their services include Digital Strategy and Pay Per Click.Read More
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910$1,000+2 - 9 employeesGarden Grove, CAFounded in 2013, Zega Logos, a small Logo company, is based in Garden Grove, California. Their team offers Logo and Mobile App Development.Read More
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911Undisclosed2 - 9 employeesFullerton, CAFratzke Media is a small Fullerton, California-based call center. Their services include Call Center Services and Content Marketing.Read More
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912$10,000+2 - 9 employeesSan Diego, CACorporate Photography company Enne Bi Communications is located in San Diego, California. The team specializes in Corporate Photography and Graphic Design.Read More
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913Undisclosed2 - 9 employeesSan Diego, CAJ&S Digital Services is an Advertising company. The San Diego, California-based company offers Advertising and Branding.Read More
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914Undisclosed2 - 9 employeesConcord, CAALFATEK is a Concord, California-based branding agency. They offer Branding and Social Media Marketing.Read More
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915Undisclosed2 - 9 employeesSan Diego, CABased in San Diego, California, The Marketing Group USA is a Digital Strategy company. They provide Digital Strategy and Social Media Marketing.Read More
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916$1,000+2 - 9 employeesOceanside, CATransformed Design Inc. Is a web design company in Oceanside, California. The team provides Web Design and Branding.Read More
Clients
Select Commercial Advisors Scottsdale Eye Surgery Center Chinatown Restaurant and Sushi Bar Aves ElectricIndustries
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917$1,000+2 - 9 employeesLos Angeles, CADesigns2Life, a Business Consulting company, is headquartered in Los Angeles, California. The team provides Business Consulting and Market Research.Read More
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918$1,000+2 - 9 employeesLos Angeles, CAFounded in 2018, SEO MarkLead Co is a small SEO company. Their services include Search Engine Optimization and Web Development.Read More
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919$1,000+2 - 9 employeesSan Francisco, CAIBooost, a web design company, is located in San Francisco, California. They specialize in Web Design and Social Media Marketing and were established in 2020.Read More
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920$1,000+2 - 9 employeesSan Rafael, CAStoned Root Cannabis Marketing is a small Content Marketing company located in San Rafael, California. Their services include Content Marketing and Search Engine Optimization.Read More
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921$1,000+2 - 9 employeesIrvine, CACalServ Marketing, a SEO agency, was founded in 2022. The small team offers Search Engine Optimization and Pay Per Click.Read More
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922$5,000+2 - 9 employeesMartinez, CAEstablished in 2017, Craftsmanship Marketing is a SEO agency. The firm focuses on Search Engine Optimization and Pay Per Click, and is small.Read More
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923$1,000+2 - 9 employeesEscondido, CASmall Business Marketing Solutions is a SEO services firm. Headquartered in Escondido, California, the agency was founded in 2020. Their team provides Search Engine Optimization and Content Marketing.Read More
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924$1,000+2 - 9 employeesPasadena, CAFounded in 2020, Pasadena SEO Company - Digital Marketing Solutions is a SEO agency. The company provides Search Engine Optimization and Social Media Marketing.Read More
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925Undisclosed2 - 9 employeesOntario, CAMoxie Creative Solutions, a branding firm, is based in Ontario, California. Founded in 2018, the team provides Branding and Social Media Marketing.Read More
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926$1,000+10 - 49 employeesSan Diego, CAFounded in 2020, GALR Marketing is an Other Digital Marketing company. The small team offers Other Digital Marketing and UX/UI Design.Read More
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927Undisclosed10 - 49 employeesWalnut, CACorporality Global is a branding firm. They are located in Walnut, California and have small team. Their team specializes in Branding and Marketing Strategy.Read More
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928Undisclosed10 - 49 employeesStanton, CAKoalify is a SEO agency. Their small team is headquartered in Stanton, California and Lahore, Pakistan. Their services include search engine optimization, pay per click, social media marketing, content marketing, and more. The company was established in 2022.Read More
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929$100,000+50 - 249 employeesSanta Monica, CAWordSuccor Ltd. Is an user experience company. Their team is located in Santa Monica, California. The company specializes in UX/UI Design and E-Commerce Development.Read More
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930$5,000+50 - 249 employeesSan Diego, CACG Life is a branding company. Their midsize team is based in Chicago, Illinois and San Diego, California. Their services include Branding and Public Relations.Read More
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