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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1321$5,000+10 - 49 employeesGlendale, CASetoyan Business Solutions is a web design company. Established in 2022, the team provides web design, web development, generative ai, marketing strategy, and more. Their small company is Glendale, California-based.Read More
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1322$1,000+10 - 49 employeesSacramento, CACaptain Design Agency is a branding firm. They were launched in 2023, and their services include Branding and Social Media Marketing.Read More
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1323$1,000+10 - 49 employeesLos Angeles, CAOcean Book Publishing, a Content Writing Services company, was established in 2023. Based in Los Angeles, California, the team provides Content Writing Services and Content Marketing.Read More
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1324$10,000+10 - 49 employeesVentura, CAWebenix Solutions is a Ventura, California-based social media marketing company. Established in 2018, the team focuses on Social Media Marketing and Email Marketing.Read More
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1325$5,000+10 - 49 employeesEl Cerrito, CAJoust is a branding agency. Established in 2022, their team offers Branding and Content Marketing.Read More
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1326$1,000+10 - 49 employeesSanta Monica, CACygnus Designs is a social media marketing agency. The Santa Monica, California-based team offers Social Media Marketing and Web Design.Read More
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1327Undisclosed10 - 49 employeesSacramento, CAThe Hello Digital - Seoland is a web design company based in Sacramento, California. The small agency was launched in 2024. Their team focuses on web design, graphic design, logo, and print design.Read More
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1328$1,000+50 - 249 employeesLos Angeles, CARead More
Websites Depot Inc. is a Los Angeles-based digital marketing agency that was founded in 2006. With a team of about 30, Websites Depot Inc. specializes in SEO, web design, and PPC.During the first three years of partnership, Websites Depot Inc. helped the air conditioning company attract qualified leads and become a well-known brand in the Los Angeles area.
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1329Undisclosed50 - 249 employeesLake Forest, CASEO agency Jazel focuses on Search Engine Optimization and Web Design. They are located in Lake Forest, California.Read More
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1330Undisclosed50 - 249 employeesCulver City, CARead More
Direct Agents is a midsize media planning and buying agency launched in 2003. Their team specializes in Media Planning & Buying, Demand Generation Marketing, Advertising, Digital Strategy, and more. The company is headquartered in New York, New York and Culver City, California.
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1331$5,000+2 - 9 employeesLos Angeles, CAMetaglyphics is a website development firm based in Los Angeles, California. They focus on Web Development and Search Engine Optimization.Read More
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1332$5,000+2 - 9 employeesRocklin, CARead More
LiddWeb LLC is a small web development company. The Rocklin, California-based firm was founded in 2021. Their team provides web development, e-commerce development, and search engine optimization.
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1333Undisclosed2 - 9 employeesLos Angeles, CAWebPower USA, an Advertising company, was launched in 2019. The team focuses on Advertising and UX/UI Design and is in Los Angeles, California.Read More
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1334$1,000+2 - 9 employeesSan Clemente, CAAlt Datum, a web development company, is located in San Clemente, California. Their services include Web Development and Email Marketing.Read More
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1335$5,000+2 - 9 employeesWest Hollywood, CAGot Ads? is a PPC agency. They were established in 2018 and offer Pay Per Click and Social Media Marketing.Read More
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1336$1,000+2 - 9 employeesMadera, CAFounded in 2010, Hype Well Services is a Content Marketing company. The small team specializes in Content Marketing and Conversion Optimization.Read More
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1337$5,000+2 - 9 employeesSacramento, CALocal Alpha Marketing LLC, a small Advertising company, is located in Sacramento, California. The team focuses on Advertising and Branding.Read More
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1338$1,000+2 - 9 employeesWest Sacramento, CADownwind Creative is a Digital Strategy company launched in 2022. The team focuses on Digital Strategy and Content Marketing.Read More
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1339$1,000+2 - 9 employeesModesto, CATen Code is a Modesto, California-based branding agency. Their services include Branding and Social Media Marketing.Read More
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1340$1,000+2 - 9 employeesTemecula, CABrand Driven Marketing is a SEO agency. In Temecula, California, their team focuses on Search Engine Optimization and Web Design.Read More
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1341$5,000+2 - 9 employeesTemecula, CACRM consulting and SI company Digital Brand Power is located in Temecula, California and Atlanta, Georgia. They offer CRM consulting and SI and Conversion Optimization and were founded in 2018.Read More
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1342$1,000+2 - 9 employeesOceanside, CAHOG Media, an Affiliate Marketing company, provides Affiliate Marketing and Digital Strategy. The firm is located in Oceanside, California.Read More
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1343$1,000+2 - 9 employeesFallbrook, CAFirst Door Marketing is an Advertising company established in 2019. The small team provides Advertising and Social Media Marketing.Read More
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1344$1,000+2 - 9 employeesMurrieta, CADabre Marketing, an Advertising company, was launched in 2016. The team provides Advertising and Branding and is based in Murrieta, California.Read More
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1345$10,000+2 - 9 employeesSan Francisco, CAMoulton Digital is a social media marketing agency. They focus on Social Media Marketing and Content Marketing and were established in 2016.Read More
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1346$10,000+2 - 9 employeesSan Diego, CALa Jolla Digital Agency is a branding firm. In San Diego, California and San Antonio, Texas, their team offers Branding and Social Media Marketing.Read More
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1347$1,000+2 - 9 employeesLos Angeles, CA2X Market, a CRM consulting and SI company, is in Los Angeles, California. They offer CRM consulting and SI and AI Consulting.Read More
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1348$1,000+2 - 9 employeesVista, CAMariner Marketing is a small Vista, California-based Advertising company. The team specializes in Advertising and Branding.Read More
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1349$1,000+2 - 9 employeesAnaheim, CAGreaterThan Marketing Agency is an Anaheim, California-based web design agency. They provide Web Design and Branding.Read More
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1350Undisclosed2 - 9 employeesLos Angeles, CAIn Los Angeles, California, Digifetch LLC is a small Marketing Strategy company. Their services include Marketing Strategy and Social Media Marketing.Read More
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Check out a SEO Company in California with the most new reviews in the past 12 months.
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