Top 100 SEO Companies in California
The Best of October 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.
List of the Best California SEO Firms
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241$1,000+10 - 49 employeesCosta Mesa, CARead More
Something About Marketing is a digital marketing agency based in Coast Mesa, Calif. This small team, which was founded in 2017, offers a wide range of marketing services. They focus most of their efforts on social media management, PPC, SEO, and branding strategy.
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242$10,000+50 - 249 employeesSan Diego, CARead More
Seer Interactive is a Digital Strategy company founded in 2002. The midsize Philadelphia, Pennsylvania-based team focuses on Digital Strategy, Search Engine Optimization, and Pay Per Click.
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243$1,000+50 - 249 employeesLos Angeles, CALos Angeles SEO Inc is a SEO agency established in 2013. The agency specializes in Search Engine Optimization and Marketing Strategy.Read More
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244$1,000+2 - 9 employeesMurrieta, CARead More
Red Peach Designs is a design agency based in Murrieta, Calif. with over two employees. Founded in 2004, they offer web design, logo services, and SEO solutions for small and mid-market firms in the fields of e-commerce and advertising.
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Boutique BlissIndustries
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245$100,000+2 - 9 employeesLaguna Hills, CARead More
Headquartered in Irvine, California, Knighthood Design Studio is an UX design company. The small team specializes in ux/ui design, content marketing, graphic design, search engine optimization, and more and was launched in 2020.
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246$1,000+250 - 999 employeesLaguna Beach, CAData4Amazon, a pay per click company, is based in Laguna Beach, California. The firm offers Pay Per Click, Search Engine Optimization, Content Marketing, Conversion Optimization, and more and has a midsize team.The firm was established in 1999.Read More
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247$5,000+10 - 49 employeesPleasanton, CARead More
SEO Pro Hub is an SEO consultancy founded in 2016. Based in Pleasanton, Calif., the small team of 2 specializes in digital strategy, SEO and social media marketing.
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248$1,000+10 - 49 employeesSanta Monica, CADragon Horse Agency is a social media marketing firm launched in 2015. The agency specializes in Social Media Marketing and Digital Strategy, and is small.Read More
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249$1,000+50 - 249 employeesSan Francisco, CAAI bees, a Content Marketing company, is located in San Francisco, California and Hamburg, Germany. They offer Content Marketing, Sales Outsourcing, Call Center Services, Search Engine Optimization, and more and were established in 2018.Read More
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COPADOIndustries
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250$1,000+2 - 9 employeesLos Angeles, CARead More
Online Business Consulting LLC is an SEO company that has a team of about 10 employees. Founded in 2012 and located in Los Angeles, they offer SEO, advertising, conversion optimization, and PPC services.
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251Undisclosed50 - 249 employeesIrvine, CARead More
Zoek Marketing is a SEO services firm based in Irvine, California. The midsize team focuses on Search Engine Optimization, Pay Per Click, Web Design, Social Media Marketing, and more. The firm was founded in 2012.
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Kevin Lanier Website Case StudyIndustries
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252$1,000+10 - 49 employeesLos Angeles, CARead More
Coursenvy is a marketing agency based in Los Angeles with more than 10 employees. Since their founding in 2005, they have offered advertising, direct marketing, and social media marketing solutions to small businesses in the fields of e-commerce, business services, and more.
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HauslaneIndustries
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253$1,000+2 - 9 employeesSan Jose, CARead More
Stark Marketing is a mobile app design and development company. Stark Marketing is based in San Jose, Calif. Since 2006, the small team of five have been specializing in web design, SEO, PPC, and graphic design. Stark Marketing works with clients in the information technology and e-commerce industries.
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254$5,000+10 - 49 employeesSan Jose, CARead More
Sure Exposure is a creative web design and digital marketing company located in California. Founded in 2006, Sure Exposure has worked with both small and medium-size businesses throughout the Bay Area. Sure Exposure is comprised of less than 50 employees and offers its clients web design, SEO, social media marketing, and other digital and development services.
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FootprintIndustries
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255Undisclosed10 - 49 employeesLos Angeles, CARead More
Valid Resource provides digital marketing services for the health and wellness industry. Founded in 2018 and headquartered in Boise, Idaho, their small team of 2–3 employees handles digital strategy, social media marketing, SEO, and more. Their specialty within SEO is content development.
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256$1,000+2 - 9 employeesSanta Rosa, CARead More
Laced Media is a marketing agency founded in Santa Rosa, Calif. with more than two employees. Since 2013, they have offered SEO, web design, and digital strategy solutions for small and mid-market businesses in the industries of dental, retail, and legal cannabis services.
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Oral Surgery of New YorkIndustries
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257$1,000+2 - 9 employeesManhattan Beach, CARead More
Everything Clicks is a digital marketing company based in Manhattan Beach, Calif. Their team of fewer than 10 specializes in email marketing, SEO, social media marketing, email strategy, and content marketing. They serve clients in industries such as business services, consumer products, and more. They were founded in 2010.
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American ExpressIndustries
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258$5,000+2 - 9 employeesAntioch, CALaunched in 1997, Digital Canvas is a small web development firm. Their team focuses on Web Development, Advertising, Search Engine Optimization, Web Design, and more. The agency is headquartered in Antioch, California and Sacramento, California.Read More
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CP Communications, https://www.cpcom.comIndustries
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259$5,000+50 - 249 employeesSan Francisco, CARead More
Metric Theory is a San Francisco-based digital marketing agency. Since founding in 2012, they've grown to over 60 employees with experience working with over 230 clients. They have experience with every type of marketing issue for clients that range from small business to large e-commerce firms. They specialize in PPC, digital strategy, social media marketing, conversion optimization, and mobile marketing.
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GoFundMeIndustries
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260$5,000+1,000 - 9,999 employeesSan Jose, CARead More
ExpertsFromIndia is a development company based in San Jose, Calif. They were founded in 2003 and have a team of around 800 employees. They primarily provide custom software development and SEO.
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eBayIndustries
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261$5,000+2 - 9 employeesIrvine, CARead More
UNIFAGE, an unified communications consulting & SI company, was established in 2018. Their small team is based in Irvine, California and specializes in unified communications consulting & SI, CRM consulting and SI, web design, video production, and more.
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262$1,000+10 - 49 employeesEl Segundo, CALaunched in 2017, Jolly SEO is a SEO services firm. The agency provides Search Engine Optimization and Content Marketing, and is small.Read More
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263$1,000+10 - 49 employeesSan Francisco, CARead More
Proleadsoft is a full-service digital agency headquartered in San Francisco, Calif. With a team of around 15 employees, Proleadsoft specializes in web development, SEO, and web design.With Proleadsoft's help, the youth nonprofit's website is modern, easy to navigate, and has attracted more traffic.
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264$1,000+10 - 49 employeesThousand Oaks, CARead More
Dymic Digital is a small branding agency. They provide branding, search engine optimization, social media marketing, video production, and more and were established in 2013.
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265$1,000+10 - 49 employeesTorrance, CARead More
Netpaths Web Design is a web agency based in Torrance, Calif. with more than 10 employees. They have offered direct marketing, web design, and SEO solutions since their founding in 1998. They work mainly with small and mid-market agencies.
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Via TechIndustries
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266$10,000+10 - 49 employeesOakland, CAMarketing Strategy company Reverence Global was established in 2020. The firm focuses on Marketing Strategy, Branding, Search Engine Optimization, Web Design, and more and has a small team.Read More
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Good Radiance Inc.Industries
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267$1,000+2 - 9 employeesMorgan Hill, CAOPO SEO is a SEO company. They are in Morgan Hill, California and have a small team that specializes in Search Engine Optimization, Digital Strategy, Content Marketing, Email Marketing, and more. The firm was launched in 2023.Read More
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268$5,000+10 - 49 employeesLos Angeles, CARead More
In Los Angeles, California, BBDM Group is a content marketing company. The small team focuses on content marketing, search engine optimization, public relations, branding, and more. The company was established in 2007.
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269$1,000+10 - 49 employeesSan Francisco, CARead More
Cyrusson Inc, an advertising company, was launched in 2019. The firm focuses on advertising, content marketing, digital strategy, email marketing, and more and has a small team.
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270Undisclosed2 - 9 employeesSan Diego, CARocket Ivy Web Services is a Content Marketing company launched in 2017. The company specializes in Content Marketing, Search Engine Optimization, Web Design, and Content Writing Services and has a small team. The company is located in San Diego, California.Read More
Industries
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Schedule ConsultationMost Reviewed SEO Company in California
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