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
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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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301$5,000+2 - 9 employeesRedondo Beach, CAByer Company is a small Redondo Beach, California-based Content Marketing company. They offer Content Marketing, Search Engine Optimization, Web Design, Graphic Design, and more and were founded in 2002.Read More
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302$1,000+2 - 9 employeesDavis, CARead More
Launched Digital Solutions LLC is a Davis, California-based social media marketing firm. Launched in 2021, the small team provides social media marketing, marketing strategy, web design, ux/ui design, and more.
Clients
North Park CreameryIndustries
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303Undisclosed2 - 9 employeesLos Angeles, CARead More
Promotion LA Digital Marketing Agency , an advertising company, was founded in 1983. In Los Angeles, California, their small team specializes in advertising, branding, marketing strategy, social media marketing, and more.
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304$10,000+10 - 49 employeesSanta Rosa, CARead More
Barrels Ahead is a small marketing strategy company. They specialize in marketing strategy, conversion optimization, pay per click, search engine optimization, and more and were established in 2008.
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305$5,000+2 - 9 employeesCovina, CACrowdScale, a small SEO agency, is located in Covina, California. Launched in 2025, the team specializes in Search Engine Optimization, Generative AI, Branding, and Artificial Intelligence.Read More
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306$1,000+50 - 249 employeesBurbank, CARead More
Digital Promotion Agency is a digital marketing agency based in Burbank, Calif., with offices in Melbourne and London. Since 2015, the team of under 250 has been specializing in social media marketing, SEO, web design, and more. They work primarily with enterprises, in the e-commerce, advertising and marketing, and business service agencies industries.
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Ridechina.comIndustries
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307$5,000+2 - 9 employeesChico, CARead More
DK Web Design (Chico, CA) is a non-voice bpo/back office services company. They are based in Chico, California and have a small team. Their services include non-voice bpo/back office services, search engine optimization, web design, and web development.
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308$5,000+10 - 49 employeesTorrance, CARead More
Barakah Agency is a branding company. Established in 2021, the small company is located in Torrance, California. Their team provides Branding, Marketing Strategy, Performance Marketing, Pay Per Click, and more.
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309$1,000+10 - 49 employeesMalibu, CAMatador Solutions, LLC, a SEO agency, provide Search Engine Optimization. They were launched in 2013.Read More
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David A DiBrigidaIndustries
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310$1,000+2 - 9 employeesPilot Hill, CARead More
Norcal Web Designs is a web design and development team headquartered in Sacramento, Calif. With a team of fewer than 10, they serve small to midmarket businesses in industries like business and consumer services, IT, e-commerce. They also offer SEO and e-commerce development services. They were founded in 2013.
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Premier Pools & SpasIndustries
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311$1,000+10 - 49 employeesSan Francisco, CACitrine Groupe LLC is a small SEO company based in San Francisco, California. Established in 2012, the team provides Search Engine Optimization, Pay Per Click, Custom Software Development, Web Development, and more.Read More
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312$1,000+10 - 49 employeesSacramento, CABased in Sacramento, California, Premier Reputation Management is a PR agency. The small firm was founded in 2024. Their team focuses on public relations, search engine optimization, and branding.Read More
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313Undisclosed10 - 49 employeesHayward, CARead More
Fourandhalf, Inc. is a marketing agency based in Hayward, Calif., with an additional location in Perth, Australia. Founded in 2012, this company has 27 employees. Fourandhalf, Inc. offers a range of services including marketing strategy, digital strategy, and content marketing for small businesses and startups.
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Gulf Coast Property ManagementIndustries
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314$1,000+2 - 9 employeesLos Angeles, CARead More
XL Digital Partners is an internet marketing company based in Los Angeles. The company, founded in 2008, has a team of less than ten that provides SEO, PPC, digital strategy, social media marketing, content marketing, email marketing, and conversion optimization services to various companies.
Clients
TrueLanguageIndustries
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315$1,000+10 - 49 employeesSan Francisco, CAGreenlights is a Content Marketing company established in 2025. The small San Francisco, California-based team provides Content Marketing, Conversion Optimization, Search Engine Optimization, Web Design, and more.Read More
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316$1,000+2 - 9 employeesUpland, CARead More
Proud Digital Media is a media production company located in Upland, Calif., and was founded in 2018. Proud Digital Media has nine employees and provides video production, advertising, SEO, social media marketing, and digital strategy services.
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Inland Empire 66ers -
317$1,000+2 - 9 employeesModesto, CAColorstone Marketing is a SEO agency established in 2017. The team provides Search Engine Optimization and Pay Per Click and is based in Modesto, California.Read More
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318$1,000+2 - 9 employeesSan Leandro, CASmall social media marketing firm Dygitology, is headquartered in San Leandro, California. Founded in 2021, the team focuses on Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Development, and more.Read More
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319$1,000+2 - 9 employeesSan Clemente, CARead More
Convuent is a digital marketing company from San Clemente, California. With one employee, their services include SEO, marketing strategy, and social media marketing. Founded in 2018, their clients are often small businesses in the dental, business, and financial services industries.
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320$1,000+2 - 9 employeesIrvine, CAApplimade is a SEO agency. Established in 2021, the team focuses on Search Engine Optimization. The agency is in Irvine, California.Read More
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321$5,000+2 - 9 employeesSan Francisco, CASapiens Growth Marketing Agency is a SEO services firm established in 2023. They are located in San Francisco, California and have a small team. The company specializes in search engine optimization, digital strategy, social media marketing, content marketing, and more.Read More
Clients
Cambrian Future -
322Undisclosed10 - 49 employeesTemecula, CAPulse Marketing, Inc., an Advertising company, was established in 2013. The team offers Advertising and Market Research and is in Temecula, California.Read More
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323$1,000+2 - 9 employeesCarlsbad, CAEthos Ink is a Carlsbad, California-based branding company. The small team provides Branding, Content Marketing, Search Engine Optimization, and Ecommerce Marketing and was launched in 2024.Read More
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324Undisclosed2 - 9 employeesLos Angeles, CAMeridian Freelance Studio is a SEO company. They are located in London, United Kingdom and Budva, Montenegro and have a small team. Their services include search engine optimization, content marketing, advertising, social media marketing, and more. The firm was established in 2021.Read More
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325$1,000+Freelancer employeesPleasanton, CARead More
TP Designs is a SEO services firm founded in 2001. The small team provides search engine optimization, web design, web development, branding, and more. The firm is headquartered in Pleasanton, California.
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326$1,000+2 - 9 employeesIrvine, CARead More
Small SEO agency GCC Consulting, is in Irvine, California. They provide search engine optimization, pay per click, web design, video production, and more and were established in 2018.
Industries
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327$5,000+10 - 49 employeesGlendale, CAQrave Media is an Advertising company. They focus on Advertising, Branding, Search Engine Optimization, Public Relations, and more and were established in 2016. Their small team is Glendale, California-based.Read More
Industries
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328Undisclosed2 - 9 employeesMenlo Park, CABased in Croydon, England; Menlo Park, California and Dublin, Ireland, Appoint Digital is a branding company. They specialize in Branding, Search Engine Optimization, Content Marketing, Social Media Marketing, and more and were established in 2019.Read More
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329$5,000+2 - 9 employeesEncinitas, CAAbyssal Digital, an ecommerce marketing company, was launched in 2017. The company focuses on ecommerce marketing and has a small team. The company is located in Encinitas, California.Read More
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330$5,000+50 - 249 employeesPleasant Hill, CARead More
Founded in 2015, Epik Solutions is a digital services company based in Pleasant Hill, California. They provide a variety of services including digital strategy, web design, content marketing, SEO, and IT consulting.
Clients
Apple
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