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.
Jump to Most Reviewed Companies
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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331$5,000+10 - 49 employeesDaly City, CAAIM Digital Agency , a digital strategy company, was founded in 2018. The small team specializes in digital strategy, social media marketing, conversion optimization, search engine optimization, and more. The firm is in Salt Lake City, Utah; Daly City, California; Phoenix, Arizona and Seattle, Washington.Read More
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332$1,000+10 - 49 employeesGlendale, CASocial media marketing company WebStax Studio is in Glendale, California. They offer Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Design, and more and were launched in 2011.Read More
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333$1,000+2 - 9 employeesIrvine, CABranding agency V-Factor Social is headquartered in Irvine, California. Founded in 2024, the small team provides Branding, Social Media Marketing, Search Engine Optimization, Back Office Outsourcing, and more.Read More
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334Undisclosed10 - 49 employeesGlendale, CAMelleka Marketing - A Digital Marketing Agency, a Digital Strategy company, was founded in 2016. Their small team is headquartered in Glendale, California and Los Angeles, California. The agency offers Digital Strategy, Social Media Marketing, Content Marketing, Email Marketing, and more.Read More
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335$5,000+10 - 49 employeesLos Angeles, CADitans group is a Los Angeles, California-based business consulting company. The small team offers business consulting, digital strategy, search engine optimization, pay per click, and more and was founded in 2020.Read More
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336$1,000+10 - 49 employeesSan Ramon, CAMind Frame Global is a branding firm. They offer branding, social media marketing, content marketing, email marketing, and more and were established in 2023. Their small team is based in San Ramon, California and San Ramon, California.Read More
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337$1,000+10 - 49 employeesMarina del Rey, CAStructured Agency is an Ecommerce Marketing company. The Marina del Rey, California-based firm was founded in 2018. The small team offers Ecommerce Marketing, Email Marketing, Conversion Optimization, Media Planning & Buying, and more.Read More
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338$1,000+2 - 9 employeesBeverly Hills, CABeverly Hills SEO Agency is a small PR agency based in Beverly Hills, California. They offer public relations, digital strategy, social media marketing, content marketing, and more and were established in 2019.Read More
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339$1,000+2 - 9 employeesLos Angeles, CAOne SEO, a SEO company, was launched in 2011. The agency provides Search Engine Optimization.Read More
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340$1,000+10 - 49 employeesEl Segundo, CASEO agency Jolly SEO was launched in 2017. Located in El Segundo, California, the team focuses on Search Engine Optimization.Read More
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341$5,000+10 - 49 employeesLos Angeles, CANovum™ is a SEO company. Established in 2019, the agency is headquartered in Los Angeles, California. Their team focuses on Search Engine Optimization.Read More
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342$1,000+10 - 49 employeesLos Angeles, CAAVMDEVS LLC is a branding company. Their small team is based in Los Angeles, California. The company provides Branding, Social Media Marketing, Search Engine Optimization, Graphic Design, and more.Read More
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343$1,000+10 - 49 employeesLos Angeles, CANabali Development is a small custom software development company. Founded in 2022, the firm is located in Los Angeles, California. Their team offers Custom Software Development, Web Development, Mobile App Development, Digital Strategy, and more.Read More
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344$1,000+50 - 249 employeesLos Angeles, CAQualified One Inc is a SEO agency. Their midsize team of employees is based in Los Angeles, California and Cleveland, Ohio. Their team provides Search Engine Optimization and Content Marketing.Read More
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345$10,000+10 - 49 employeesCarlsbad, CAMenerva Digital , a SEO company, is based in Carlsbad, California. Founded in 2018, the team specializes in Search Engine Optimization and Content Marketing.Read More
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346$1,000+10 - 49 employeesCovina, CAEpic Owl is a small branding firm. They offer branding, content marketing, search engine optimization, pay per click, and more and were launched in 2021. The company is in.Read More
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347$1,000+10 - 49 employeesLos Angeles, CARead More
The Web Provider is a digital agency headquartered in Los Angeles. Founded in 2017, their main focus lines are digital strategy, media planning and buying, and content marketing.
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Sofie and TrayIndustries
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348$5,000+10 - 49 employeesNewport Beach, CAWarm Websites is a web design agency. The small team is based in Newport Beach, California. Their services include web design, Artificial Intelligence, search engine optimization, and generative ai.Read More
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349$1,000+2 - 9 employeesDavis, CAVisions to Visuals, a branding firm, is headquartered in Davis, California. The company offers Branding, Search Engine Optimization, Web Design, UX/UI Design, and more and has a small team.The company was established in 2024.Read More
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350$1,000+50 - 249 employeesWestlake Village, CABased in Westlake Village, California, National Positions is a SEO company. They specialize in Search Engine Optimization and Pay Per Click and were launched in 2004.Read More
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351$10,000+10 - 49 employeesPalo Alto, CARead More
OrbitLift is an e-commerce consulting company located in Palo Alto, Calif. with additional offices in London and Odessa, Ukraine. Founded in 2014, they currently employ a team of 4 that specialize in e-commerce development, web design, UX/UI design, and more.
Clients
Men's Wearhouse, a chain of American's men dress clothes retailers in the United StatesIndustries
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352Undisclosed10 - 49 employeesSan Diego, CASmall web design agency Cravo Marketing, is in San Diego, California. The team offers Web Design and Email Marketing.Read More
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353$1,000+2 - 9 employeesMonterey, CASEO Dude is a SEO agency. The team offers Search Engine Optimization, and the firm is located in Monterey, California.Read More
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354$25,000+50 - 249 employeesWashington, DCREQ, a public relations company, was launched in 2008. The agency specializes in Public Relations, Advertising, Branding, and Search Engine Optimization and has a midsize team.Read More
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355$10,000+2 - 9 employeesDowney, CADzino Web, a web design agency, is based in Downey, California. Founded in 2006, the small team specializes in web design.Read More
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356Undisclosed50 - 249 employeesEmeryville, CAMidsize media planning and buying agency Just Global, is headquartered in Emeryville, California and Austin, Texas. Their services include Media Planning & Buying and Social Media Marketing.Read More
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357$1,000+10 - 49 employeesTemecula, CASEO company Prime Media Consulting LLC was launched in 2013. The agency focuses on Search Engine Optimization and Web Design.Read More
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358$5,000+2 - 9 employeesLong Beach, CARead More
Radcrafters is a marketing and advertising agency that has been offering marketing strategy, SEO, and web design services to their small business and mid-market clients in the telecommunications, automotive, and real estate industries since 2017. Their 10 employees are based in their Long Beach, Calif. office.
Clients
Safeword CreativeIndustries
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359$1,000+2 - 9 employeesLos Angeles, CAIdle 2 Idol is a SEO agency and web design agency. Established in 2019, the team specializes in Search Engine Optimization and Web Design. The firm is located in Los Angeles, California.Read More
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360$10,000+2 - 9 employeesLos Angeles, CANucleus is a small web design company. They provide Web Design, Web Development, Ecommerce Marketing, Search Engine Optimization, and more and were established in 2013. The agency is headquartered in Prelog, Croatia and Los Angeles, California.Read More
Industries
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