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
-
$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
Industries
-
$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
Industries
-
91$5,000+10 - 49 employeesCarlsbad, CARead More
Elevated Internet Marketing is a SEO services firm. They offer search engine optimization, pay per click, web design, ux/ui design, and more and were founded in 2012. Their small team is Carlsbad, California-based.
Industries
-
92$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.
Clients
Invisible TechnologiesIndustries
-
93$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.
Industries
-
94$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.
Industries
-
95$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
Clients
Project Adult Learning (PAL)Industries
-
96$25,000+2 - 9 employeesEncinitas, CARead More
ParkerWhite Brand Interactive, a PPC company, is in Encinitas, California and Andorra. The small company was founded in 1997. Their services include Pay Per Click, Branding, Web Design, Logo, and more.
Clients
Fujifilm SonositeIndustries
-
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.
Industries
-
98Undisclosed2 - 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
Industries
-
99$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.
Clients
NailbooIndustries
-
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
-
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.
Industries
-
102$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.
Clients
HPIndustries
-
103$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.
Clients
We Rock the Spectrum Kid's GymIndustries
-
104$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
-
105$5,000+10 - 49 employeesSanta Monica, CAIOI Solutions, a pay per click agency, is located in Santa Monica, California. The small team focuses on Pay Per Click, Web Design, Conversion Optimization, Search Engine Optimization, and more and was founded in 2018.Read More
Clients
105 Packaging Onyx Graphics Pacific Hardwood FlooringIndustries
-
106$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
-
107$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.
Clients
CosmopolitanIndustries
-
108$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
-
109$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.
Industries
-
110$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
-
111$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.
Industries
-
112Undisclosed10 - 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.
Clients
MoveIndustries
-
113$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.
Clients
Hilton Grand VacationsIndustries
-
114$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.
Industries
-
115$10,000+2 - 9 employeesCarlsbad, CARead More
Founded in 2000, Chase Design is a full service branding agency based in Carlsbad, Calif. with a team of 9 who specialize in web design, graphic design, and logos. They work with small and mid market companies in the health care, e-commerce, and dental industries.
Clients
Nelson JobsIndustries
-
116$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.
Industries
-
117$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
-
118$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
-
119$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.
-
120$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.
Industries
Featured providers
Get connected with a company for free
Tell us about your project, and we'll match you with vetted companies that meet your requirements.
Get connected with the right company for you
We'll do the work for you – finding and connecting you with service providers that meet your exact requirements.
Schedule ConsultationMost Reviewed SEO Company in California
Check out a SEO Company in California with the most new reviews in the past 12 months.
SEO Company
California
- 11 12 new reviews
- 12 12 new reviews
- 13 11 new reviews
- 14 11 new reviews
- 15 10 new reviews