Top 100 SEO Companies in California
The Best of July 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+10 - 49 employeesSan Antonio, TXRead More
Funnel Boost Media is a marketing and lead generation company based in San Antonio. The company, founded in 2012, has a team of more than ten that provides PPC, SEO, web design, and branding services. Funnel Boost Media serves small and midmarket companies in the legal; medical; supply chain, logistics, & transport; e-commerce, and financial services 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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1$5,000+50 - 249 employeesSan Francisco, CAVictorious is a midsize SEO agency founded in 2013. Their team specializes in Search Engine Optimization, Content Marketing, and Web Development. The agency is based in San Francisco, California.Read More
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Agora Wayfair Spotify University of MiamiIndustries
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2$1,000+50 - 249 employeesLos Angeles, CALaunched in 2009, Coalition Technologies is a SEO company. Their midsize team is based in Los Angeles, California; Seattle, Washington and Austin, Texas. Their team specializes in Search Engine Optimization, Pay Per Click, Web Design, and Web Development.Read More
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PayPalIndustries
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3$5,000+250 - 999 employeesSan Diego, CAIgnite Visibility, a midsize SEO services firm, is located in San Diego, California; Orlando, Florida and Orlando, Florida. They focus on Search Engine Optimization, Social Media Marketing, Email Marketing, Pay Per Click, and more and were established in 2012.Read More
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Tony Robbins Wawanesa The General Insurance ExperianIndustries
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4$1,000+2 - 9 employeesAnaheim, CARead More
Zupo is a SEO agency. The small team is in Anaheim, California and New York City, New York. Their services include Search Engine Optimization.
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VincitIndustries
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5$1,000+10 - 49 employeesCarlsbad, CASEO services firm SEO Inc. Was launched in 1997. Their small team is based in Carlsbad, California and Mt. Juliet, Tennessee. Their services include Search Engine Optimization and Pay Per Click.Read More
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PG&E CorporationIndustries
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6$1,000+10 - 49 employeesSan Diego, CANextLeft is a SEO agency. The small San Diego, California-based company was established in 2015. Their team provides Search Engine Optimization, Content Marketing, and Pay Per Click.Read More
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Hallmark Inc.Industries
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7$1,000+10 - 49 employeesLos Angeles, CALawRank is a small SEO company located in Los Angeles, California and New York, New York. Founded in 2014, the team provides Search Engine Optimization, Advertising, Pay Per Click, and Web Design.Read More
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Lorenz & LorenzIndustries
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8$1,000+50 - 249 employeesSan Diego, CARead More
Titan Growth is a marketing and advertising firm based in San Diego, Calif. and founded in 2004. Titan Growth's team of about 45 employees primarily offers digital strategy services, although it also offers search engine optimization and pay per click services.
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MizunoIndustries
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9$1,000+250 - 999 employeesAnaheim, CASEO services firm Digital Web Solutions was founded in 2005. The midsize team focuses on search engine optimization, pay per click, web development, and content writing services. The company is based in Newark, Delaware.Read More
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10$5,000+50 - 249 employeesLos Angeles, CARead More
GR0 is a digital marketing agency founded in 2020 in Los Angeles with over 10 employees. They provide SEO solutions to various clients.
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Advantage Rent A CarIndustries
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11$5,000+10 - 49 employeesLa Mirada, CARead More
Wiideman Consulting Group is a marketing and advertising agency founded in 2015. Located in La Mirada, Calif., their team of about 15 employees specializes in providing SEO and marketing strategy services and consulting chiefly to small and medium-sized businesses across various industries. Other services include audits, search engine marketing, and more.
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IHOPIndustries
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12$5,000+2 - 9 employeesManhattan Beach, CABeardog Digital LLC is a small SEO agency. The Manhattan Beach, California-based agency was established in 2023. Their services include Search Engine Optimization, Logo, Social Media Marketing, and Web Design.Read More
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13$5,000+50 - 249 employeesLos Angeles, CARead More
Launched in 2015, Hennessey Digital is a midsize SEO company. Their services include search engine optimization, pay per click, ux/ui design, content marketing, and more. The company is in Los Angeles, California.
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John Foy & AssociatesIndustries
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14$1,000+10 - 49 employeesLos Angeles, CARead More
Bliss Drive is a digital marketing company based in Los Angeles with a secondary office in Irvine, Calif. Bliss Drive was founded in 2007 and now features a team of about a dozen employees providing SEO, PPC, web design, digital strategy, and conversion optimization services.
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Smart Bean IncIndustries
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15$1,000+50 - 249 employeesLos Angeles, CAHawkSEM is a pay per click company. Launched in 2006, the midsize agency is based in Los Angeles, California. Their services include Pay Per Click, Search Engine Optimization, and Social Media Marketing.Read More
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Microsoft Honda DataDog NikeIndustries
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16$5,000+10 - 49 employeesWest Hollywood, CARead More
ELK Marketing, a SEO agency, was established in 2018. The small team focuses on search engine optimization, marketing strategy, and pay per click. The firm is based in West Hollywood, California.
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Arc'TeryxIndustries
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17$1,000+50 - 249 employeesSan Diego, CARead More
SEO company iLawyerMarketing was founded in 2006. Based in San Diego, California, their midsize team specializes in search engine optimization, pay per click, and web design.
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18$1,000+10 - 49 employeesLos Angeles, CARead More
Shoreline Media Marketing is an SEO strategy company based in Asbury Park, N.J., with a secondary location in Los Angeles. Founded in 2010, this company has 10 employees. Services provided by Shoreline Media Marketing include web development, SEO, and marketing automation for small to mid-sized businesses.
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Christensen RecyclingIndustries
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19$1,000+10 - 49 employeesSan Diego, CARead More
Reporter Outreach is a PR agency and SEO services firm established in 2017. Their small team is in San Diego, California. The agency offers public relations and search engine optimization.
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20$1,000+10 - 49 employeesSan Francisco, CAJives Media is a SEO company headquartered in San Francisco, California; New York, New York and New York, New York. They specialize in Search Engine Optimization, Pay Per Click, Advertising, Branding, and more and were founded in 2012.Read More
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OracleIndustries
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21$5,000+250 - 999 employeesSan Diego, CAFounded in 2012, Power Digital is a social media marketing agency. They are based in San Diego, California; New York, New York and Arlington, Virginia and have a midsize team. Their services include Social Media Marketing, Search Engine Optimization, Pay Per Click, Advertising, and more.Read More
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TOMSIndustries
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22Undisclosed10 - 49 employeesSimi Valley, CARead More
Bruce Clay, Inc. is a digital marketing agency headquartered in Simi Valley, CA, with additional offices in Switzerland, India, and Japan. The agency and its 85+ employees have experience with social media marketing, PPC, and SEO.
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Pitney Bowes -
23$1,000+10 - 49 employeesThousand Oaks, CARead More
SeoTuners is an SEO company based in Thousand Oaks, Calif. Founded in 2009, this company has 14 employees. SeoTuners exclusively deals in SEO services for small to mid-sized businesses.
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24HourPayrollIndustries
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24$5,000+10 - 49 employeesIrvine, CARead More
Digital marketing agency Window To Recovery is headquartered in Costa Mesa, Calif. Since 2017, their small team of 2 has been specializing in digital strategy, SEO, web design, advertising, and more.
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Spencer Recovery CentersIndustries
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25$5,000+10 - 49 employeesIrvine, CARead More
Flying V Group, founded in 2016, is a digital marketing company headquartered in Irvine, Calif. The company’s team of 7 employees provide content marketing, PPC, SEO, social media marketing, and web design services to mid-market, small, and enterprise businesses. The businesses they serve are in a variety of industries including the advertising & marketing, business services, and financial services industries.
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American AirlinesIndustries
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26$5,000+2 - 9 employeesAnaheim, CASearch Engine Projects is a SEO agency based in Anaheim, California and Anaheim, California. Founded in 2004, the small team offers Search Engine Optimization, Pay Per Click, Social Media Marketing, and Digital Strategy.Read More
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Law Firm MarketingIndustries
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27$1,000+10 - 49 employeesSan Francisco, CARead More
Search Nurture is a full-stack digital marketing agency headquartered in Oakland, California. Founded in 2017, their team of approximately 17 employees serves clients of all sizes, primarily in the business services and retail sectors. Their specialties are SEO, PPC, and digital advertising.
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JergensIndustries
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28$1,000+10 - 49 employeesSan Diego, CASmall SEO company and e-commerce development firm Dog and Rooster, is in San Diego, California. They focus on Search Engine Optimization and E-Commerce Development and were established in 2000.Read More
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TitleistIndustries
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29$1,000+10 - 49 employeesGlendale, CARead More
SEO American is a SEO firm that’s headquartered in Glendale, Calif and was founded in 2014. The one person firm provides SEO services, web development, and digital strategies to mid market and enterprise companies in the health care, business services, real estate, and dental industries.
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S-Team LAIndustries
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30$50,000+10 - 49 employeesSan Francisco, CARead More
RSO Consulting is a small pay per click agency in San Francisco, California. They specialize in Pay Per Click, Search Engine Optimization, Social Media Marketing, Conversion Optimization, and more and were founded in 2006.
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Adobe Alsco Uniforms ADLINK Technology Inc. La Scuola International SchoolIndustries
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