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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91$5,000+10 - 49 employeesSan Francisco, CARead More
Stackmatix is a marketing consulting agency based in San Francisco. Established in 2018, there are two people on the team. Their services include digital strategy, social media marketing, and pay per click advertising.
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Invisible TechnologiesIndustries
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92$10,000+10 - 49 employeesEncinitas, CARead More
Libre Design is a midsize Oceanside, California-based product design company. They focus on product design, branding, and web design and were founded in 2005.
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93$1,000+2 - 9 employeesLong Beach, CARead More
Adalane Media Group is a small social media marketing firm. They specialize in social media marketing, pay per click, and digital strategy and were founded in 2019.
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94Undisclosed2 - 9 employeesSan Diego, CALaunched in 2016, JetRank Agency- SEO Services San Diego is a SEO agency. Their small team is based in San Diego, California and provides Search Engine Optimization, Pay Per Click, Public Relations, and Market Research.Read More
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95$5,000+2 - 9 employeesWest Hollywood, CARead More
Intensify is a boutique advertising agency in Los Angeles. Founded in 2014, their 1-person team provides web design, social media marketing, digital strategy, marketing strategy, and advertising services. Most clients are small businesses.
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NailbooIndustries
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96$25,000+2 - 9 employeesEncinitas, CAParkerWhite, A Healthcare Agency is a pay per click agency launched in 1997. Their small team is headquartered in Encinitas, California and Andorra. Their services include Pay Per Click, Branding, Web Design, Logo, and more.Read More
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Fujifilm SonositeIndustries
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97$25,000+10 - 49 employeesSan Diego, CARead More
Website development firm Alliance Innovations is located in San Diego, California. The small agency was founded in 2019. Their team focuses on web development, digital strategy, custom software development, mobile app development, and more.
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98$5,000+2 - 9 employeesCosta Mesa, CALocated in Costa Mesa, California, Seal Media is a video production company. The small team offers Video Production, Branding, Content Marketing, Social Media Marketing, and more. The company was launched in 2007.Read More
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Project Adult Learning (PAL)Industries
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99$50,000+50 - 249 employeesSan Diego, CARead More
BusinessOnline is a digital marketing agency with offices in San Diego and Boston. The team of 80+ specializes in PPC, SEO, and digital strategy and mostly serves mid-market and enterprise businesses. They take a data-driven approach to all projects with clients.
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HPIndustries
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100$5,000+10 - 49 employeesAliso Viejo, CARead More
Strativise Industrial Marketing Agency is a Digital Strategy company established in 2022. The small team provides Digital Strategy, Social Media Marketing, Content Marketing, Email Marketing, and more. The firm is located in Aliso Viejo, California.
Clients
Marco Rubber & Plastics Discflo CFS Technologies TavoronIndustries
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101Undisclosed10 - 49 employeesSan Diego, CARead More
Doctor Multimedia is a medical web development and SEO agency headquartered in La Jolla, Calif. with a satellite office in Las Vegas, Nev. The agency has just over 30 employees and was founded in 2010. Doctor Multimedia also offers PPC, social media marketing, web design, and content marketing services. The majority of its clients are small businesses, though it works with some midmarket businesses.
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102$5,000+10 - 49 employeesLos Angeles, CARead More
ATAK Interactive is a full-service agency located in Los Angeles. The agency was founded in 2007 and employs a team of 17 staff members. ATAK Interactive provides web development, digital strategy, marketing strategy, content marketing, and graphic design services primarily to small businesses.
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We Rock the Spectrum Kid's GymIndustries
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103$1,000+10 - 49 employeesIrvine, CARead More
The Ad Firm is an online marketing agency located in Carlsbad, Calif. Founded in 2008, the team of nearly 10 provides SEO, PPC, email marketing and web design services, with experience with WordPress, Drupal, and Joomia.
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CosmopolitanIndustries
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104$50,000+10 - 49 employeesSan Diego, CAIn San Diego, California, MMG MarketPage (formerly Myers Media Group) is a small Content Marketing company. Launched in 2007, the team specializes in Content Marketing, Search Engine Optimization, Market Research, Marketing Strategy, and more.Read More
Clients
Expedia (All Global Markets) Staples Advance Auto Parts Air AsiaIndustries
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105$1,000+2 - 9 employeesChico, CARead More
Since 2018, CRP Marketing has worked in Chico California, providing digital marketing services for small businesses. The 1-man show works exclusively with small businesses.
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106$1,000+2 - 9 employeesSan Jose, CARead More
SocialSellinator is a digital advertising agency that was founded in 2018 and is headquartered in San Jose, Calif. The company is made up of less than 10 employees and specializes in social media marketing, content marketing, and graphic design.
Clients
ON24Industries
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107$5,000+10 - 49 employeesSanta Monica, CAPropeller Digital Marketing, an e-commerce development firm, was founded in 2012. They are headquartered in Santa Monica, California and London, England and have a small team. Propeller Digital Marketing focuses on E-Commerce Development, Social Media Marketing, Search Engine Optimization, Pay Per Click, and more.Read More
Clients
Google FiIndustries
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108$25,000+2 - 9 employeesLos Angeles, CARead More
Web design company Weberous was launched in 2011. Their small team is located in Los Angeles, California. Weberous offers Web Design, E-Commerce Development, Search Engine Optimization, and Web Development.
Clients
Jeffree Star Cosmetics xPrize Feature DisneyIndustries
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109$1,000+10 - 49 employeesTemecula, CARead More
Launched in 2019, Marketing Empire Group is a branding firm. They are in Corona, California; Temecula, California and Carson City, Nevada and have a small team. The company focuses on branding, digital strategy, search engine optimization, pay per click, and more.
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110Undisclosed10 - 49 employeesAgoura Hills, CARead More
Located in Agoura Hills, Calif., Custom Creatives is a digital marketing company with expertise in SEO, software development, and web/graphic design. With fewer than 50 employees, they work with both big and small companies and offer a free client consultation and website audit report.
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MoveIndustries
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111$5,000+2 - 9 employeesLos Angeles, CABased in Los Angeles, California and Toronto, Canada, H & CO Agency is a SEO company. The small firm was established in 2018. Their team focuses on Search Engine Optimization, Web Design, and Pay Per Click.Read More
Clients
Toronto ElectricIndustries
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112$10,000+2 - 9 employeesCarlsbad, CARead More
Nimbletoad is a digital marketing agency based in Carlsbad, Calif. Their team of fewer than 10 offers digital strategy, web design, SEO, and PPC services to small and midmarket businesses. Industries include healthcare and medical, hospitality, and legal. They were founded in 2008.
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Hilton Grand VacationsIndustries
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113$5,000+2 - 9 employeesSan Diego, CARead More
Green Flag Digital is a small Culver City, California-based content marketing and SEO agency. Founded in 2015, the team focuses on content marketing and search engine optimization.
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114$10,000+2 - 9 employeesCarlsbad, CAChase Design is a web design company. The small team is based in Carlsbad, California. Their services include Web Design, Branding, Search Engine Optimization, and Logo.Read More
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Nelson JobsIndustries
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115$5,000+10 - 49 employeesSanta Monica, CARead More
Act Bold Media Group is a full-service digital marketing agency based in Santa Monica, California. With approximately 10 employees, they primarily assist clients with web development, SEO, and PPC. The client valued Act Bold Media's proactive attitude, commitment to staying on budget, and ability to customize their services.
Clients
Photos.comIndustries
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116$5,000+10 - 49 employeesAnaheim, CARead More
Webstract Marketing is a LA-based digital marketing agency founded in 2011. Their team of approximately 10 employees primarily serves small businesses. Although they specialize in SEO and web design, they also provide other forms of web marketing. They're particularly proficient in PHP.
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117$1,000+2 - 9 employeesTemecula, CARead More
Sienna Creative LLC is a web design agency headquartered in Temecula, California. The small team provides web design, marketing strategy, email marketing, conversion optimization, and more. The company was founded in 2020.
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118$5,000+2 - 9 employeesSanta Barbara, CARead More
AUQ is a web design company founded in 2018. Their small team is located in Santa Barbara, California. The agency provides web design, search engine optimization, and digital strategy.
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119$5,000+10 - 49 employeesLos Angeles, CARead More
Infinity Media is a social media marketing agency based in Los Angeles, California. Established in 2013, the small team provides social media marketing, digital strategy, email marketing, conversion optimization, and more.
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120$1,000+2 - 9 employeesSanta Monica, CARead More
Top Bros is an SEO company based in Los Angeles. Founded in 2010, their team currently consists of 2 employees. They specialize in SEO, PPC, social media marketing, and web design.
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Bergin GlassIndustries
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