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
Industries
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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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1231$5,000+2 - 9 employeesSan Diego, CALaunched in 2014, Zen Web Media is a website development company. In San Diego, California, the team specializes in Web Development and Web Design.Read More
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1232$1,000+2 - 9 employeesCarmichael, CAPeerless Digital Marketing , a PPC company, is in Carmichael, California. The team provides Pay Per Click and Digital Strategy.Read More
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1233$1,000+2 - 9 employeesLos Angeles, CALaunched in 2016, Mobiweb Global Solutions is a social media marketing agency. The small team specializes in Social Media Marketing and Search Engine Optimization.Read More
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1234$5,000+2 - 9 employeesTustin, CACreative Shoebox Marketing Agency is a branding firm. The team is based in Tustin, California, and their services include Branding and Print Design.Read More
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1235$5,000+2 - 9 employeesLos Angeles, CARead More
McCaplan Consulting Group, a branding firm, was established in 2020. They are headquartered in Los Angeles, California and have a small team. McCaplan Consulting Group focuses on branding, marketing strategy, digital strategy, content marketing, and more.
Industries
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1236$5,000+10 - 49 employeesRedondo Beach, CARead More
PPC Masterminds is a conversion optimization company headquartered in Redondo Beach, California. They provide conversion optimization, search engine optimization, pay per click, digital strategy, and more and were established in 2014.
Industries
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1237$1,000+Freelancer employeesLos Angeles, CAEstablished in 2015, Website Pro USA is an Advertising company. The company provides Advertising and Branding, and is small.Read More
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1238$10,000+10 - 49 employeesLos Angeles, CAEstablished in 2008, IWORKS Agency is a web development firm. Their services include Web Development and E-Commerce Development.Read More
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1239Undisclosed10 - 49 employeesLos Angeles, CAWeb Design Tech is a small mobile app development firm established in 2012. Their services include Mobile App Development and Web Design.Read More
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1240$10,000+10 - 49 employeesOrange, CAMarketing Strategy company pave.agency is located in Orange, California. The team specializes in Marketing Strategy and Ecommerce Marketing.Read More
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1241$1,000+10 - 49 employeesSan Francisco, CAHeadquartered in San Francisco, California, Supercharge Growth is a branding agency. The team focuses on Branding and Social Media Marketing.Read More
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1242$10,000+10 - 49 employeesRoseville, CAFounded in 2023, WebVello is an AI firm. The team offers Artificial Intelligence and Search Engine Optimization.Read More
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1243Undisclosed10 - 49 employeesPasadena, CAWebs Anchor is a small Pasadena, California-based social media marketing company. The team focuses on Social Media Marketing and Mobile & App Marketing.Read More
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PrositesIndustries
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1244$10,000+50 - 249 employeesSacramento, CACubitrek, a digital strategy company, was founded in 2022. They are located in Sacramento, California and Karachi, Pakistan and have a midsize team. Cubitrek provides digital strategy, social media marketing, search engine optimization, pay per click, and more.Read More
Industries
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1245$10,000+10 - 49 employeesSan Francisco, CAOak2Media is a small web design company established in 2005. Their team specializes in Web Design and Web Development.Read More
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1246$1,000+10 - 49 employeesSan Francisco, CAWebsite Avalon, a small website development company, is headquartered in San Francisco, California. Their services include Web Development and Web Design.Read More
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1247$5,000+10 - 49 employeesRedwood City, CATecAvy is an Advertising company located in Gurugram, India and Redwood City, California. They focus on Advertising and Back Office Outsourcing.Read More
Industries
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1248$5,000+10 - 49 employeesLos Angeles, CAFounded in 2018, Web Districts is an e-commerce development company. Their small team is based in Los Angeles, California. Their team offers e-commerce development, email marketing, graphic design, mobile app development, and more.Read More
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1249$5,000+10 - 49 employeesMurrieta, CALaunched in 2006, SYSTELLEX is a social media marketing company. The team offers Social Media Marketing and Search Engine Optimization.Read More
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1250Undisclosed2 - 9 employeesTemecula, CARead More
Brian’s Web Design is a freelance web designer and website developer in Temecula, Calif. They were founded in 2008. Service offerings include e-commerce development, web design, and web development. Notable areas of programming and marketing expertise include AJAX, PHP, XML, and SEO onsite optimization. As a specialist in modern sites for small businesses, Brian’s Web Design partners with consumer products and business services clients from its San Diego location.
Clients
ColorSpot NurseryIndustries
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1251$100,000+250 - 999 employeesLos Angeles, CARead More
AMP Agency was founded in Boston in 1995 and has grown to more than 400 employees in Los Angeles, New York, Seattle, and Austin, Texas. AMP Agency serves mainly enterprise clients on web design and development, UI/UX design, SEO, PPC, and social media marketing.
Clients
HasbroIndustries
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1252$1,000+Freelancer employeesRancho Mirage, CARead More
Marcher Internet Marketing is an SEO agency with about 5 current employees. Based in Carlsbad, Calif., the small team specializes in web design, SEO, PPC, and social media marketing services. It offers monthly contracts tailored to small businesses and startups, rather than requiring a long-term commitment.
Clients
ChristmasLightHanging.comIndustries
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1253$1,000+50 - 249 employeesLos Angeles, CABreakline, a SEO company, is headquartered in Guildford, England; London, England; Boise, Idaho and Houston, Texas. They provide Search Engine Optimization and were launched in 2012.Read More
Clients
Exciting Escapes Mayfield Dental Value My Car Taylor AerialsIndustries
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1254$5,000+50 - 249 employeesSan Francisco, CARead More
SocialPulsar is digital marketing firm headquartered in San Francisco with international offices in India and in the United Arab Emirates (UAE). Since its founding in 2015, their team of under 50 provides SEO, PPC, social media marketing, digital strategy and other marketing services for their 45 clients worldwide.
Clients
OppoIndustries
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1255$1,000+2 - 9 employeesIrvine, CAFounded in 2018, KWW is a small pay per click agency. Their team specializes in Pay Per Click and Conversion Optimization.Read More
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1256Undisclosed250 - 999 employeesLos Angeles, CABased in Los Angeles, California, USIM is a midsize media planning & buying company. Their services include Media Planning & Buying and Search Engine Optimization.Read More
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1257$10,000+2 - 9 employeesLaguna Hills, CARead More
Headquartered in Laguna Hills, Calif., Graphicwise, Inc. is a creative agency that was founded in 2000. With another location in Ho Chi Minh City, Vietnam, they have around ten employees that specialize in SEO, branding, PPC, and market research for mainly midmarket clients.
Clients
Chef Robert IrvineIndustries
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1258$1,000+2 - 9 employeesHawthorne, CAFounded in 2015, Q Corporation is a small Hawthorne, California-based Conversion Optimization company. Their team offers Conversion Optimization and Digital Strategy.Read More
Industries
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1259UndisclosedFreelancer employeesStockton, CADigital Strategy company Strategic Digital Media is located in Stockton, California. The team specializes in Digital Strategy and Social Media Marketing.Read More
Industries
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1260$1,000+2 - 9 employeesLos Angeles, CAHigh Q Digital, a small social media marketing agency, is located in Los Angeles, California. The team offers Social Media Marketing and Branding.Read More
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