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.
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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1081$1,000+10 - 49 employeesNewark, CABranding firm Simply Fresh Creative was founded in 2015. Headquartered in Newark, California, the team specializes in Branding and Social Media Marketing.Read More
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1082$1,000+10 - 49 employeesLos Angeles, CAMarketing Strategy company The Socialite was launched in 2024. Located in Andover, Kansas and Los Angeles, California, the team focuses on Marketing Strategy and Social Media Marketing.Read More
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1083Undisclosed10 - 49 employeesLong Beach, CAYour Books Publisher is a Content Marketing company established in 2014. The agency offers Content Marketing and Search Engine Optimization.Read More
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1084$5,000+10 - 49 employeesIrvine, CAUSPossible is a social media marketing agency. The team focuses on Social Media Marketing and Search Engine Optimization and is based in Irvine, California.Read More
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1085Undisclosed10 - 49 employeesNewark, CAInfinitiks is a Digital Strategy company. The team focuses on Digital Strategy and Social Media Marketing, and the firm is in Newark, California.Read More
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1086$1,000+10 - 49 employeesLos Angeles, CADigital Resources Group is a social media marketing firm headquartered in Los Angeles, California. The team provides Social Media Marketing and Search Engine Optimization.Read More
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1087$75,000+10 - 49 employeesLos Angeles, CABook Placement, a SEO agency, is located in Los Angeles, California. Launched in 2015, the team provides Search Engine Optimization and Print Design.Read More
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1088$1,000+10 - 49 employeesCosta Mesa, CADG Logika is a Digital Strategy company. Located in Costa Mesa, California, their small team provides Digital Strategy and Social Media Marketing. The agency was established in 2024.Read More
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1089$1,000+10 - 49 employeesLos Angeles, CAIn Los Angeles, California, Website Online Help is a branding company. They provide Branding and Search Engine Optimization.Read More
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1090Undisclosed10 - 49 employeesChowchilla, CARAM Digitech is a small Digital Strategy company based in Chowchilla, California. The team offers Digital Strategy and Search Engine Optimization.Read More
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1091$1,000+10 - 49 employeesSan Francisco, CAEuronous is a branding agency. Located in San Francisco, California, the team offers Branding and Search Engine Optimization.Read More
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1092$1,000+10 - 49 employeesLos Angeles, CAContent Marketing company Usa Design Expert specializes in Content Marketing and Search Engine Optimization. They were founded in 2025.Read More
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1093Undisclosed10 - 49 employeesSan Francisco, CASeal and Scale is a social media marketing firm. Launched in 2025, the agency provides Social Media Marketing and Search Engine Optimization.Read More
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1094$1,000+10 - 49 employeesLos Angeles, CAEnvoy Social Solutions is a social media marketing agency. Established in 2023, the team specializes in Social Media Marketing and Search Engine Optimization.Read More
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1095$1,000+10 - 49 employeesIrvine, CAK2Z DIGITAL is a social media marketing agency. Launched in 2024, the company is based in Irvine, California. Their team provides Social Media Marketing and Content Marketing.Read More
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1096$1,000+10 - 49 employeesLos Angeles, CARead More
LAD Solutions is a full-service digital marketing agency based in Los Angeles, CA. The agency and its nearly 30 employees specialize in web design, SEO, and PPC.
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Nadeau FurnitureIndustries
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1097$10,000+2 - 9 employeesOakland, CARead More
Tandem is a digital agency based in Oakland, Calif. Founded in 2015, the agency maintains a current team of over 10 that focuses on web development, e-commerce development, mobile app development, and SEO.
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1098Undisclosed10 - 49 employeesUpland, CASocial media marketing company Tulu Marketing was established in 2000. The small team offers Social Media Marketing and Branding.Read More
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1099$1,000+10 - 49 employeesLos Angeles, CALocated in Los Angeles, California, A Treehouse Group is a Digital Strategy company. Established in 2019, the team focuses on Digital Strategy and Social Media Marketing.Read More
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1100Undisclosed10 - 49 employeesSan Francisco, CABranding Elevator, a SEO company, was launched in 2023. The team specializes in Search Engine Optimization and Web Design.Read More
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1101Undisclosed10 - 49 employeesLong Beach, CA5 Elements Entertainment is a web development company. Founded in 2009, the team specializes in Web Development and Mobile App Development. The agency is located in Long Beach, California.Read More
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1102$1,000+10 - 49 employeesArtesia, CAEstablished in 2023, Abse Tech Inc is a small social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.Read More
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1103$5,000+2 - 9 employeesTemecula, CAHK Digital is a small Performance Marketing company. They focus on Performance Marketing and Digital Strategy and were launched in 2021.Read More
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1104$5,000+2 - 9 employeesYorba Linda, CAWeb design company Hungry Ram Web Design was founded in 2018. The firm provides Web Design, Search Engine Optimization, and Graphic Design and has a small team.Read More
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Ryan Serhant Naftali Group Moses Hershko Adam AmericaIndustries
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1105$5,000+2 - 9 employeesGlendale, CAViewpoint SEO is a SEO services firm. The agency is in Oklahoma City, Oklahoma and Glendale, California. Their team provides Search Engine Optimization and Marketing Strategy.Read More
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1106$5,000+2 - 9 employeesCarlsbad, CAMagnifyAds is a small Carlsbad, California-based SEO services firm. The team offers Search Engine Optimization and Social Media Marketing.Read More
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1107Undisclosed2 - 9 employeesFresno, CAGoldleaf Creative is a Fresno, California-based SEO company. The team provides Search Engine Optimization and Branding.Read More
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1108Undisclosed2 - 9 employeesSan Jose, CAFoamers Studios is a SEO company. Founded in 2001, the company offers Search Engine Optimization and Pay Per Click.Read More
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1109$5,000+50 - 249 employeesCalabasas, CARead More
Xivic is a digital agency based in Los Angeles with an additional office in Iasi, Romania. Founded in 1996, the Xivic team has considerable experience in product development and search-based marketing and nearly 70 employees with a variety of technical and strategic skills. Xivic's services include web design, digital strategy, UX design, SEO, PPC, and more.
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MeinekeIndustries
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1110$1,000+2 - 9 employeesLos Angeles, CAKaleidoscope Consulting Group, a small web development firm, is located in Los Angeles, California and. The team provides Web Development and Advertising.Read More
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