Top 100 SEO Companies in California
The Best of September 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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1321$1,000+50 - 249 employeesSan Francisco, CAHearst Bay Area is a SEO agency. They are located in San Francisco, California and have midsize team of experts. Their services include Search Engine Optimization and Advertising.Read More
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1322Undisclosed50 - 249 employeesSanta Monica, CAAdwest Worldwide, a midsize SEO company, is headquartered in Santa Monica, California. Their services include Search Engine Optimization and Social Media Marketing.Read More
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1323Undisclosed1,000 - 9,999 employeesLos Angeles, CAFounded in 2001, Creative Circle is a large Content Marketing company. Their services include Content Marketing and Search Engine Optimization.Read More
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1324Undisclosed1,000 - 9,999 employeesWest Hollywood, CAEstablished in 2017, Verbit.ai is a large SEO agency. Their team provides Search Engine Optimization and Artificial Intelligence.Read More
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1325Undisclosed2 - 9 employeesMadera, CARead More
greenGabbard is an affiliate marketing company located in Madera, Calif. Founded in 2014, their 2 employees provide SEO, media planning and buying, and affiliate marketing services.
Clients
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1326$5,000+2 - 9 employeesLos Angeles, CAAtomic Studio is a branding agency. The team offers Branding and Email Marketing, and the company is headquartered in Los Angeles, California.Read More
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1327Undisclosed2 - 9 employeesSan Francisco, CAMADE PR is a PR firm. Their small team is in San Francisco, California. Their services include Public Relations and Event Marketing.Read More
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1328$5,000+2 - 9 employeesPerris, CAThe ARRC is an Advertising company. Founded in 2000, the company is located in Perris, California. Their team focuses on Advertising and Content Marketing.Read More
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1329Undisclosed2 - 9 employeesRedlands, CAEstablished in 2018, Marketing 720 is a small Redlands, California-based Advertising company. Their team focuses on Advertising and Media Planning & Buying.Read More
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1330$5,000+2 - 9 employeesFresno, CALikeitsolutions is a Karachi, Pakistan-based web development company. They provide Web Development and Mobile App Development and were established in 2019.Read More
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1331$1,000+2 - 9 employeesVisalia, CALaunched in 2018, DIG Marketing is a social media marketing company. The team offers Social Media Marketing and Web Design.Read More
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1332$1,000+2 - 9 employeesLos Angeles, CABased in Los Angeles, California, Emphasis LA is a Digital Strategy company. They specialize in Digital Strategy and Web Design and were founded in 2017.Read More
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1333$1,000+2 - 9 employeesBeverly Hills, CAHeadquartered in Beverly Hills, California, PIXELS LOGO is a Logo company. Founded in 2009, the team focuses on Logo and UX/UI Design.Read More
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1334$1,000+2 - 9 employeesRiverside, CAFree Logic is a web design company in Riverside, California. They provide Web Design and Branding and were launched in 2018.Read More
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1335$5,000+2 - 9 employeesBeaumont, CAAkrosol LLC is a web development company. Their small team is located in Beaumont, California. Their team focuses on Web Development and Content Marketing.Read More
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1336$1,000+2 - 9 employeesTemecula, CAMarkeitng Meets Technology is an Other Digital Marketing company established in 2020. Their team focuses on Other Digital Marketing and Content Marketing.Read More
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1337$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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1338Undisclosed2 - 9 employeesLos Angeles, CAMarketing 4 Real Results is an Email Marketing company. They are in Los Angeles, California and have small team of experts. Their services include Email Marketing and Branding.Read More
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1339$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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1340$1,000+2 - 9 employeesHuntington Beach, CAExclusive Business Marketing is an Advertising company. Established in 2014, the company provides Advertising and Graphic Design.Read More
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1341$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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1342$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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1343Undisclosed2 - 9 employeesLos Angeles, CAPlexipi, an Advertising company, was launched in 2025. The company provides Advertising and Direct Marketing, and is small.Read More
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1344$1,000+2 - 9 employeesGlendale, CAThe Leading Practice is a small Conversion Optimization company. Established in 2021, the team provides Conversion Optimization and Digital Strategy.Read More
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1345$5,000+10 - 49 employeesRedondo Beach, CAFounded in 2014, PPC Masterminds is a small PPC company located in Redondo Beach, California. Their services include Pay Per Click, Conversion Optimization, Search Engine Optimization, and Digital Strategy.Read More
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1346$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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1347$5,000+10 - 49 employeesOxnard, CAFounded in 2025, Web Neons is a small Advertising company headquartered in Oxnard, California. Their services include Advertising, Branding, Pay Per Click, Search Engine Optimization, and more.Read More
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1348$25,000+10 - 49 employeesCosta Mesa, CAContent Writing Services company GrowHiveTech is headquartered in Costa Mesa, California and Costa Mesa, California. Founded in 2020, the small team offers Content Writing Services, Conversion Optimization, Digital Strategy, Search Engine Optimization, and more.Read More
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1349$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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1350Undisclosed10 - 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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Check out a SEO Company in California with the most new reviews in the past 12 months.
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