Top 100 SEO Companies in California
The Best of July 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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2371Undisclosed10 - 49 employeesSan Francisco, CAHearst Bay Area is an Advertising company. In San Francisco, California, their team specializes in Advertising and Marketing Strategy.Read More
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2372Undisclosed10 - 49 employeesIrvine, CAEstablished in 2003, Solution21, Inc. Is a social media marketing firm. The team provides Social Media Marketing and Content Marketing.Read More
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2373Undisclosed10 - 49 employeesPalo Alto, CAContrast DesignWorks, LLC is a branding company. Their team is located in Palo Alto, California. The company offers Branding and Email Marketing.Read More
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2374Undisclosed10 - 49 employeesConcord, CASocial media marketing company Optimize Worldwide, Inc. Provides Social Media Marketing and Pay Per Click. They were established in 2011.Read More
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2375Undisclosed10 - 49 employeesIrvine, CAVarga Marketing is an Advertising company. They are in Irvine, California. Their team focuses on Advertising and Branding.Read More
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2376Undisclosed10 - 49 employeesLos Angeles, CAModern Practice is a branding agency. They are in Los Angeles, California, and their services include Branding and Marketing Strategy.Read More
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2377Undisclosed10 - 49 employeesOceanside, CALaunched in 2016, Hoffbeck + Co is a small branding company. Their services include Branding and Web Design.Read More
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2378Undisclosed10 - 49 employeesUpland, CASouthland Data Processing, a Back Office Outsourcing company, was founded in 1986. The small team provides Back Office Outsourcing and Corporate Training & Coaching.Read More
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2379Undisclosed10 - 49 employeesSan Diego, CALasso MD is a branding firm. Their small team is located in San Diego, California. Their services include Branding and Social Media Marketing.Read More
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2380Undisclosed10 - 49 employeesPalm Desert, CACord Media Company, a branding company, is located in Palm Desert, California. They provide Branding and Public Relations and were launched in 2007.Read More
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2381Undisclosed10 - 49 employeesEl Segundo, CAEnsemble Digital Media, a graphic design agency, was founded in 2022. The firm focuses on Graphic Design and Branding.Read More
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2382Undisclosed10 - 49 employeesPleasanton, CALaunched in 2009, VendCentral Marketing is a web design agency. The team offers Web Design and Advertising and is in Pleasanton, California.Read More
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2383Undisclosed10 - 49 employeesBeverly Hills, CAGamble Guy Productions is a Marketing Strategy company established in 2018. The team specializes in Marketing Strategy and Social Media Marketing.Read More
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2384Undisclosed10 - 49 employeesLos Angeles, CAHC Development is a Marketing Strategy company. The Los Angeles, California-based agency was launched in 2004. Their team provides Marketing Strategy and Email Marketing.Read More
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2385Undisclosed10 - 49 employeesSan Diego, CACreatable is a social media marketing agency. Located in San Diego, California, the company focuses on Social Media Marketing and Video Marketing.Read More
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2386Undisclosed10 - 49 employeesArcadia, CAEcomPlus is a small branding agency. They focus on Branding and Pay Per Click and were established in 2017.Read More
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2387Undisclosed10 - 49 employeesAlamo, CAGrey Matter Marketing, Inc. Is a branding company. Headquartered in Alamo, California, their small team provides Branding and Public Relations. The agency was established in 2006.Read More
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2388Undisclosed10 - 49 employeesRocklin, CARVNW Studios, a branding agency, is headquartered in Rocklin, California. Their services include Branding and Web Design.Read More
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2389Undisclosed50 - 249 employeesEncinitas, CATarget River, an Advertising company, offers Advertising and Sales Outsourcing. The company is in Salt Lake City, Utah and Encinitas, California.Read More
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2390$10,000+10 - 49 employeesIrvine, CASocial media marketing firm Digital Innovation Group was launched in 2005. The agency focuses on Social Media Marketing and Pay Per Click.Read More
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2391$10,000+10 - 49 employeesSan Francisco, CAKingpin Communications, a media planning & buying company, was launched in 1997. In London , England and San Francisco, California, the team offers Media Planning & Buying and Advertising.Read More
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2392Undisclosed10 - 49 employeesBeverly Hills, CAGet Visible Digital Marketing Agency, a social media marketing agency, is in Phoenix, Arizona and Beverly Hills, California. They provide Social Media Marketing and Search Engine Optimization.Read More
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2393$5,000+2 - 9 employeesSan Francisco, CALongtail Marketing Agency is a SEO services firm. Their team is in San Francisco, California and focuses on Search Engine Optimization and Pay Per Click.Read More
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2394Undisclosed2 - 9 employeesSan Diego, CASmall SEO services firm SmartMetrics, is based in San Diego, California. Their services include Search Engine Optimization and BI & big data consulting & SI.Read More
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2395Undisclosed10 - 49 employeesPleasanton, CANavolutions is a web design agency. Founded in 2008, the agency provides Web Design and Search Engine Optimization.Read More
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2396Undisclosed10 - 49 employeesLoma Linda, CAMagic Technologies Group is a web development firm based in Loma Linda, California. Their services include Web Development and E-Commerce Development.Read More
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2397Undisclosed10 - 49 employeesCosta Mesa, CAWebsite development firm All In Orbit is based in Costa Mesa, California. They offer Web Development and Mobile App Development.Read More
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2398Undisclosed10 - 49 employeesFullerton, CAEstablished in 1999, Supreme Solutions, Inc., a small web design agency, is located in Fullerton, California. Their services include Web Design and Graphic Design.Read More
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2399Undisclosed10 - 49 employeesIrvine, CAIn Irvine, California, CineWeb Studio is a small Advertising company. Their services include Advertising and Search Engine Optimization.Read More
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2400Undisclosed10 - 49 employeesLos Angeles, CASEO Agency Los Angeles is a small Los Angeles, California-based SEO company. Their services include Search Engine Optimization and Content 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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