Top 100 SEO Companies in California
The Best of June 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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181$1,000+10 - 49 employeesThousand Oaks, CARead More
Dot Com Media is a digital marketing and consulting firm based in Thousand Oaks, Calif. They were founded in 2000 and focus on digital strategy, social media marketing, content marketing, SEO, and PPC.
Clients
Steve Lane, Attorney at Law -
182Undisclosed2 - 9 employeesWest Hollywood, CADesign Pros LA is a branding firm. The West Hollywood, California-based company was established in 2020. The small team provides branding, search engine optimization, web design, logo, and more.Read More
Industries
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183$5,000+10 - 49 employeesSacramento, CARead More
AdInfusion is a internet marketing agency founded in 2010 and headquartered in Sacramento, Calif. Their team of 3 works with small businesses providing content marketing, SEO, conversion optimization, and PPC services to clients; they primarily work with businesses in the business services, advertising, and consumer products industries.
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184$10,000+50 - 249 employeesLos Angeles, CAWoosper, a PPC agency, was launched in 2020. The midsize team specializes in Pay Per Click, Content Marketing, Search Engine Optimization, and Social Media Marketing. The company is located in Los Angeles, California.Read More
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185$1,000+10 - 49 employeesNorth Highlands, CARead More
Clients Generator is a web design company. The small North Highlands, California-based firm was launched in 2021. Their team focuses on web design, social media marketing, pay per click, and search engine optimization.
Clients
Rivalane TransportationIndustries
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186$5,000+10 - 49 employeesSacramento, CARead More
Public relations company Bright Valley Marketing was launched in 2014. Located in Sacramento, California, their small team offers Public Relations, Search Engine Optimization, and Pay Per Click.
Clients
BagitoIndustries
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187$1,000+2 - 9 employeesSanta Maria, CARead More
SocialCatnip is a SEO agency founded in 2015. Their small team is located in Santa Maria, California and focuses on search engine optimization, web design, custom software development, digital strategy, and more.
Industries
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188$5,000+2 - 9 employeesBurbank, CARead More
BEEZ Marketing Agency is a digital marketing firm headquartered in Burbank, Calif., with an additional office in Glendale, Calif. The company was founded in 2017, and has 2 employees who mainly provide SEO, web design, and social media marketing services. They serve small and mid-market businesses in mainly the dental, advertising & marketing, and financial services industries.
Clients
Custom Website Design,Industries
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189$1,000+10 - 49 employeesSan Ramon, CARead More
KOKONUT Group is a small SEO services firm. Located in San Ramon, California and London, United Kingdom, the company was launched in 2013. Their team provides search engine optimization, pay per click, IT managed services, and application management & support.
Industries
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190$5,000+2 - 9 employeesSan Diego, CARead More
Founded in 2002, The X Concept is a marketing company based in San Diego, Calif. The X Concept's small team of fewer than 5 employees specializes in web design, marketing strategy, and digital strategy. The X Concept works primarily with small business clients in the healthcare, business services, and hospitality industries.
Clients
NeuroserviceIndustries
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191$1,000+2 - 9 employeesHuntington Beach, CARead More
Sunday Brunch Agency is a small advertising company founded in 2016. Their services include advertising, branding, social media marketing, email marketing, and more. The firm is based in Huntington Beach, California.
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192$1,000+10 - 49 employeesModesto, CAAnjasDev is a SEO company in Modesto, California and Chittagong, Bangladesh. They provide Search Engine Optimization and Social Media Marketing.Read More
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193$5,000+10 - 49 employeesSan Diego, CAVideo production agency NANOBOT Group is in San Diego, California and Tallinn, Estonia. The small team provides Video Production, Digital Strategy, Email Marketing, Search Engine Optimization, and more and was established in 2010.Read More
Industries
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194Undisclosed250 - 999 employeesSan Diego, CATEAM LEWIS, a PR company, is in San Diego, California; Milano, Italy and Chicago, Illinois. The agency offers Public Relations, Digital Strategy, Branding, Social Media Marketing, and more and has a midsize team.The agency was established in 1995.Read More
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195$5,000+50 - 249 employeesSanta Clara, CAAdMark Digital Media is a Digital Strategy company. They are in Santa Clara, California and have a midsize team. The company offers Digital Strategy, Social Media Marketing, Mobile & App Marketing, Search Engine Optimization, and more.Read More
Industries
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196$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.
Clients
GoFundMeIndustries
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197$5,000+10 - 49 employeesIrvine, CARead More
Founded in 2016, PurpleZ is a SEO agency. They are based in Irvine, California and have a small team. Their services include search engine optimization, video production, social media marketing, content marketing, and more.
Industries
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198$1,000+2 - 9 employeesSan Diego, CADigital Nomad Designs is a web design company. They are based in San Diego, California and have a small team that provides web design, search engine optimization, ux/ui design, conversion optimization, and more. The company was launched in 2018.Read More
Industries
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199$1,000+2 - 9 employeesLos Angeles, CALaV1 is a small SEO agency based in Los Angeles, California. Founded in 1995, the team offers Search Engine Optimization, Artificial Intelligence, Web Design, and Other Digital Marketing.Read More
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200$1,000+10 - 49 employeesSan Diego, CALaunched in 1999, Straightfire Web Design & Digital Marketing is a small web design agency. Their services include Web Design, Search Engine Optimization, Branding, Print Design, and more. The firm is based in San Diego, California.Read More
Industries
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201$5,000+10 - 49 employeesEscondido, CARead More
Forum Digital Marketing, a SEO company, was launched in 2015. The agency specializes in search engine optimization, digital strategy, advertising, branding, and more and has a small team. The agency is based in Escondido, California.
Industries
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202$100,000+50 - 249 employeesThousand Oaks, CALegal Leads Group, a SEO agency, was established in 2008. The agency focuses on Search Engine Optimization, Pay Per Click, Web Development, Mobile App Development, and more and has a midsize team.Read More
Industries
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203$5,000+2 - 9 employeesSan Ramon, CABoomcycle Digital Marketing is a SEO company. They are headquartered in San Ramon, California and Pleasanton, California and have a small team. Their services include Search Engine Optimization, Pay Per Click, Digital Strategy, Social Media Marketing, and more. The firm was established in 2003.Read More
Industries
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204$5,000+2 - 9 employeesSan Diego, CARead More
Nephila Marketing, Inc., a PPC agency, was established in 2004. In San Diego, California, their small team specializes in pay per click, social media marketing, digital strategy, and search engine optimization.
Clients
Celona.ioIndustries
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205$1,000+2 - 9 employeesMoreno Valley, CARead More
Bowman Digital Media is a small social media marketing agency in Moreno Valley, California. They focus on social media marketing, direct marketing, digital strategy, content marketing, and more and were established in 2020.
Industries
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206$1,000+2 - 9 employeesTemecula, CARead More
Second Nature is a marketing firm based in Temecula, Calif., and founded in 2015 with more than two employees. They offer SEO, advertising, and web design solutions to small and mid-market clients in the fields of business and dental services.
Clients
Companion Animal Health and Rehabilitation CenterIndustries
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207Undisclosed10 - 49 employeesSan Marcos, CARead More
ChicExecs is a SEO services firm. Established in 2006, the team focuses on search engine optimization, social media marketing, pay per click, other digital marketing, and more. Their small firm is headquartered in San Marcos, California.
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208$50,000+10 - 49 employeesLos Angeles, CARead More
DG Studio is a global creative agency, founded in 2008 and located in Los Angeles, India, and Mexico. They comprise 26 employees specializing in branding, UX/UI design, web development, graphic design, digital marketing, and app programming. They work with a range of clients, typically in real estate, customer services, and healthcare.
Clients
Los Angeles Medical Center (LAMC) of Cosmetic Surgery -
209$1,000+10 - 49 employeesGlendale, CARead More
Azarian Growth Agency is a full-funnel growth agency based in Glendale and Yerevan. Founded in 2020, they have 20 employees that serve startups and businesses by building data-driven growth strategies and engines. Services include but are not limited to Paid Advertising services such as Paid Search Marketing, Facebook and Google Ads Agency, SEO services such as Content Marketing, SEO, Conversion services, and Email Marketing services.
Industries
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210$1,000+2 - 9 employeesIrvine, CARead More
Epack Marketing is a social media marketing and SEO company that was founded in 2006. Located in Irvine, Calif., they provide social media marketing, SEO, and email marketing services to clients primarily in the business services and financial services industries. They have about 2 employees.
Clients
henryclarence.comIndustries
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