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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271$5,000+2 - 9 employeesOceanside, CARead More
Established in 2019, Axys Digital Marketing LLC is a PPC company. Their small team is in San Marcos, California and provides pay per click, search engine optimization, social media marketing, content marketing, and more.
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272$1,000+10 - 49 employeesSan Diego, CARead More
Launched in 2015, Reveal Digital Marketing is a conversion optimization company. Their small team is located in San Diego, California and provides conversion optimization, digital strategy, pay per click, and search engine optimization.
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273$5,000+10 - 49 employeesDana Point, CARead More
Zero Company is a digital marketing agency based in Dana Point, Calif. Founded in 2001, this company has 13 employees. Services provided by Zero Company include PPC, SEO, and social media marketing.
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BartableIndustries
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274$1,000+2 - 9 employeesLos Angeles, CARead More
Establish Marketing is a web design company based in Los Angeles, California. Founded in 2010, they also offer branding and graphic design services for small businesses.
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HersheyIndustries
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275$1,000+2 - 9 employeesSacramento, CARead More
Founded in 2003, YNot Web is an SEO, PPC, and digital strategy company based in Sacramento, Calif. They work exclusively with small business clients from a variety of industries, but primarily consumer products and services.
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BlendIndustries
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276$5,000+2 - 9 employeesSan Jose, CAEstablished in 2014, Sembyotic is a pay per click company. Their small team is located in San Jose, California and San Jose, California and specializes in Pay Per Click, Social Media Marketing, Search Engine Optimization, Web Development, and more.Read More
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Hazelcast The Doctors Company Freed Associates Heartflow -
277$1,000+50 - 249 employeesSan Diego, CABlack X Marketing is a midsize social media marketing agency headquartered in Fort Collins, Colorado and San Diego, California. They provide Social Media Marketing, Content Marketing, Pay Per Click, Market Research, and more and were founded in 2019.Read More
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278$10,000+2 - 9 employeesSacramento, CARead More
Websauce Studio is a Sacramento, Calif.-based digital agency that was founded in 2012. The agency's team of six focuses on web design, SEO, PPC, social media marketing, and branding services for small and mid-sized clients.
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Track 7 Brewing CO, BreweryIndustries
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279Undisclosed50 - 249 employeesCulver City, CARead More
eMarketing Concepts is a Culver City, CA-based digital marketing agency that was founded in 2013. eMarketing Concepts has over 50 marketing experts on staff that specialize in SEO, web development, and PPC.
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Geeky Clean PCIndustries
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280$1,000+10 - 49 employeesSan Diego, CARead More
Compass Digital, a digital strategy company, was established in 2022. Located in San Diego, California, their small team focuses on digital strategy, email marketing, search engine optimization, and pay per click.
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281$5,000+10 - 49 employeesRoseville, CAShabit Ahtasham Songi is a SEO company. Their team is in Roseville, California. The firm specializes in Search Engine Optimization and Digital Strategy.Read More
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282$1,000+2 - 9 employeesRedlands, CARead More
LEXSTYLE is a web agency headquartered in Redlands, California. Founded in 2017, their team of 2–3 employees provide an array of web-focused services. Their scope of work includes web design, SEO, and digital strategy.
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Desert Empire Palms -
283$1,000+2 - 9 employeesTemecula, CAEverzocial | Digital Marketing Agency is a Cincinnati, Ohio-based web design agency. The small company was launched in 2011. Their team offers Web Design, Search Engine Optimization, Pay Per Click, and Social Media Marketing.Read More
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284$10,000+50 - 249 employeesLong Beach, CABIG Linden, a social media marketing firm, was established in 2010. Located in Arlington, Virginia and Long Beach, California, the team offers Social Media Marketing and Content Marketing.Read More
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Feinberg School of Medicine - Northwestern University -
285$1,000+10 - 49 employeesLaguna Beach, CARead More
Position1.com is a small digital marketing firm headquartered in Laguna Beach, Calif. Founded in 2017, their main focus lines are PPC, SEO, and web design.
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DesignerHardware.comIndustries
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286$5,000+2 - 9 employeesSan Diego, CARead More
Software development company EyeUniversal is in San Diego, California. The small firm was established in 2005. Their services include custom software development, mobile app development, search engine optimization, web design, and more.
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287$10,000+10 - 49 employeesIrvine, CARead More
Custom Software Solutions, Inc is a software house based in Irvine, Calif., and founded in 2005. With no more than 50 experts, they provide SEO, PPC, and custom software development solutions to clients ranging from startups to large businesses.
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HID GlobalIndustries
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288$1,000+2 - 9 employeesCarlsbad, CARead More
ACA Web Consulting is a digital marketing agency located in Carlsbad, Calif. and founded in 2001. They are a two person firm that specializes in digital strategy, SEO, and web design.
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289$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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290$1,000+2 - 9 employeesLos Angeles, CARead More
QualiLogic, LLC is a web and mobile firm based in Northridge, Calif. with more than two employees. They have offered mobile app development, e-commerce development, and SEO solutions to small businesses in the fields of arts, consumer products, and more.
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Care Connectors Med GroupIndustries
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291$1,000+10 - 49 employeesSan Diego, CARead More
Digital strategy company DesignStudio was launched in 2010. The company offers digital strategy, email marketing, pay per click, search engine optimization, and more and has a small team.
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292$1,000+2 - 9 employeesSan Diego, CARead More
Founded in 2020, Barad Marketing Solutions is a pay per click company. Their small team is in San Diego, California and offers pay per click.
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Malcolm Smith MotorsportsIndustries
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293$5,000+2 - 9 employeesFresno, CARead More
Established in 2005, WorldLight Media is a branding firm. Their small team is headquartered in Fresno, California. Their services include branding, web design, web development, graphic design, and more.
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294$1,000+50 - 249 employeesManteca, CAMidsize SEO agency SEO Consultant, is headquartered in Manteca, California. The team specializes in Search Engine Optimization.Read More
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295$1,000+2 - 9 employeesCampbell, CABrix & Mortar is a SEO company and web design company. Based in Campbell, California, their small team provides search engine optimization and web design. The agency was founded in 2012.Read More
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296$5,000+2 - 9 employeesMission Viejo, CARead More
Digital strategy company Darby Works, Inc. Was launched in 2003. Located in Mission Viejo, California, their small team specializes in digital strategy, pay per click, search engine optimization, content marketing, and more.
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297Undisclosed2 - 9 employeesLos Angeles, CAOrbital SEO is a small SEO agency. They specialize in search engine optimization and content writing services and were established in 2020. The firm is based in Los Angeles, California.Read More
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298$1,000+2 - 9 employeesSan Diego, CARead More
Local A.i. is a lead-generating agency based in San Diego with more than two experts. Founded in 2018, they are experts in social media marketing, web design, and SEO solutions for small and mid-market agencies alike.
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299$5,000+2 - 9 employeesEl Segundo, CAEat Sleep Work is a branding company. In El Segundo, California, the agency was established in 2005. Their services include Branding and Web Design.Read More
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300$5,000+2 - 9 employeesLaguna Hills, CAHeadquartered in Laguna Hills, California, Modern Labyrinth is a SEO services firm. The small team specializes in Search Engine Optimization, Web Design, Custom Software Development, Web Development, and more and was launched in 2015.Read More
Industries
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