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
-
31$1,000+10 - 49 employeesLos Angeles, CASurge Marketing is a social media marketing company launched in 2015. Their small team is located in Los Angeles, California. The company specializes in Social Media Marketing, Search Engine Optimization, and Pay Per Click.Read More
Clients
Dr. SchulzeIndustries
-
32$5,000+10 - 49 employeesSan Francisco, CABurst Digital is a social media marketing agency founded in 2018. Their small team is located in London, England; New York, New York and San Francisco, California. The company offers Social Media Marketing, Web Design, Branding, Search Engine Optimization, and more.Read More
Clients
Vivienne Westwood - The Vivienne Foundation Artisan AI Cogency Global Moonbeam Car WashIndustries
-
33$5,000+2 - 9 employeesManhattan Beach, CABeardog Digital LLC is a small SEO agency. The Manhattan Beach, California-based agency was established in 2023. Their services include Search Engine Optimization, Logo, Social Media Marketing, and Web Design.Read More
Industries
-
34$5,000+2 - 9 employeesAnaheim, CARead More
Headquartered in Anaheim, California and Anaheim, California, Search Engine Projects is a SEO company. The small firm was founded in 2004. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, and Digital Strategy.
Clients
Law Firm MarketingIndustries
-
35$1,000+2 - 9 employeesSan Jose, CARead More
Founded in 2011, Spectrum Group Online is a digital marketing agency that prides itself on transparency and effective strategies. Based in San Francisco, its 8 person team provides SEO, PPC, web design, social media, and content marketing solutions to their small business customers.
Clients
United Way Bay AreaIndustries
-
36$1,000+2 - 9 employeesManhattan Beach, CARead More
eMaximize is a digital marketing agency based in Manhattan Beach, Calif. With fewer than 10 employees, the agency has specialized in SEO, social media marketing, branding, and more since 2008. They primarily serve small to mid-sized businesses alike in the hospitality, consumer products, and healthcare fields.
Clients
Peninsula General InsuranceIndustries
-
37$1,000+250 - 999 employeesValencia, CALaunched in 2001, Scorpion is a midsize SEO services firm. Their team specializes in Search Engine Optimization, Pay Per Click, Web Design, Branding, and more. The agency is based in Valencia, California; Draper, Utah and Addison, Texas.Read More
Industries
-
38$5,000+50 - 249 employeesLos Angeles, CARead More
SeedX Inc., an Ecommerce Marketing company, was launched in 2015. They are based in Los Angeles, California; Austin, Texas and New York, New York and have a midsize team. Their services include Ecommerce Marketing, Advertising, Search Engine Optimization, Web Design, and more.
Clients
American Marketing Association 1-800-FlowersIndustries
-
39$5,000+2 - 9 employeesSan Francisco, CAFractional CMO Services company GrowthExpertz is headquartered in San Francisco, California. They specialize in Fractional CMO Services, Search Engine Optimization, Public Relations, Marketing Strategy, and more and were launched in 2016.Read More
Clients
Match GroupIndustries
-
40$5,000+2 - 9 employeesLos Angeles, CARead More
E-commerce development firm Canesta was launched in 2016. Their small team is headquartered in Los Angeles, California; Varna, Bulgaria and Seattle, Washington and focuses on E-Commerce Development, Pay Per Click, Web Design, Search Engine Optimization, and more.
Clients
Michel Germain ParfumsIndustries
-
41$5,000+10 - 49 employeesBeverly Hills, CARead More
Icepop is a social media marketing agency. The small Beverly Hills, California-based team provides Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Design, and more. The company was launched in 2017.
Clients
FabFitFun Citizen Madhappy AtomsIndustries
-
42$5,000+10 - 49 employeesSan Diego, CARead More
Inseev Interactive is a marketing firm located in San Diego, Calif. and founded in 2013. The firm has about 50 employees. Inseev Interactive specializes in search engine optimization, but also offers pay-per-click services. Many of the firm's clients are midmarket businesses in consumer products industries.
Industries
-
43$5,000+10 - 49 employeesWalnut Creek, CARead More
Slam Media Lab is a small Walnut Creek, California-based SEO services firm. Their services include search engine optimization, content marketing, and web design.
Industries
-
44$5,000+10 - 49 employeesLos Angeles, CARead More
Falcon Marketing is a marketing and advertising agency based in Los Angeles. Founded in 2012, their team of around 15 employees specializes in SEO, web design, and mobile app development.
Clients
BodnoIndustries
-
45$5,000+10 - 49 employeesLos Angeles, CARead More
Social media marketing agency Thought Catalog Agency is headquartered in Los Angeles, California and Brooklyn, New York. The small agency was launched in 2010. Their services include Social Media Marketing, Content Marketing, Search Engine Optimization, Digital Strategy, and more.
Industries
-
46$50,000+10 - 49 employeesSan Francisco, CARead More
RSO Consulting is a small pay per click agency in San Francisco, California. They specialize in Pay Per Click, Search Engine Optimization, Social Media Marketing, Conversion Optimization, and more and were founded in 2006.
Clients
Adobe Alsco Uniforms ADLINK Technology Inc. La Scuola International SchoolIndustries
-
47$5,000+50 - 249 employeesIrvine, CADirective is a midsize PPC agency. They specialize in Pay Per Click, Demand Generation Marketing, Content Marketing, Search Engine Optimization, and more and were founded in 2014.Read More
Clients
Betterment Samsung SDS Sendoso GongIndustries
-
48$1,000+2 - 9 employeesSan Francisco, CARead More
EnlightWorks, a web design company, was founded in 2016. Their small team is located in Benicia, California; San Francisco, California; Portland, Oregon and Seattle, Washington and offers Web Design, Search Engine Optimization, and Web Development.
Clients
Marin Housing AuthorityIndustries
-
49$1,000+10 - 49 employeesThousand Oaks, CARead More
SeoTuners is an SEO company based in Thousand Oaks, Calif. Founded in 2009, this company has 14 employees. SeoTuners exclusively deals in SEO services for small to mid-sized businesses.
Clients
24HourPayrollIndustries
-
50$1,000+10 - 49 employeesSan Francisco, CARead More
Search Nurture is a full-stack digital marketing agency headquartered in Oakland, California. Founded in 2017, their team of approximately 17 employees serves clients of all sizes, primarily in the business services and retail sectors. Their specialties are SEO, PPC, and digital advertising.
Clients
JergensIndustries
-
51$10,000+10 - 49 employeesLos Angeles, CASingle Grain, a SEO agency, is in Los Angeles, California and San Francisco, California. The small agency was founded in 2009. Their services include Search Engine Optimization, Pay Per Click, Conversion Optimization, and Digital Strategy.Read More
Clients
Uber -
52$5,000+2 - 9 employeesOceanside, CACoastal Web Solutions, a small web design company, is headquartered in Oceanside, California. They specialize in web design, web development, e-commerce development, mobile app development, and more and were established in 2022.Read More
Industries
-
53$50,000+10 - 49 employeesSan Francisco, CARead More
CSTMR is a SEO company. Their small team is headquartered in Bee Cave, Texas and San Francisco, California. The agency provides Search Engine Optimization, Pay Per Click, Web Design, Advertising, and more. The agency was founded in 2014.
Clients
CreditKarmaIndustries
-
54$1,000+10 - 49 employeesSan Diego, CASmall SEO company and e-commerce development firm Dog and Rooster, is in San Diego, California. They focus on Search Engine Optimization and E-Commerce Development and were established in 2000.Read More
Clients
TitleistIndustries
-
55$1,000+250 - 999 employeesSan Jose, CAWytlabs is a SEO services firm. Established in 2015, the midsize company is in San Jose, California. Their services include search engine optimization, pay per click, and web development.Read More
Industries
-
56$5,000+2 - 9 employeesSan Diego, CARead More
Socratik is an SEO agency founded in San Diego in 2018 with fewer than 10 people. They are experts in SEO and PPC solutions for clients ranging from small businesses to large firms in the fields of e-commerce, healthcare, and hospitality.
Clients
PepsiCoIndustries
-
57$5,000+10 - 49 employeesLos Angeles, CASLT Consulting is a New York, New York-based SEO agency. The firm offers Search Engine Optimization, Social Media Marketing, Pay Per Click, Web Design, and more and is small.The firm was established in 2018.Read More
Clients
Peloton Cortica Dear Flor Love LizzyIndustries
-
58$1,000+2 - 9 employeesPasadena, CARead More
Conversion optimization company My Creative Mark was launched in 2014. They are headquartered in Pasadena, California and have a small team. Their services include conversion optimization, digital strategy, search engine optimization, web design, and more.
Industries
-
59$1,000+50 - 249 employeesSan Diego, CARead More
Radd Interactive is a technical SEO and PPC agency based in San Diego. This company was founded in 2012 and has 50 employees. Services provided by Radd Interactive are exclusively focused on SEO and PPC.
Clients
Medterra -
60$10,000+10 - 49 employeesMonrovia, CAReady Artwork - Website, Design, Marketing is a small web design company. They offer Web Design, Search Engine Optimization, Pay Per Click, and Graphic Design and were founded in 2003.Read More
Clients
Adobe Systems SCS Engineering RideCo On-Demand Transit SouthWest Water CompanyIndustries
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
