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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31$5,000+10 - 49 employeesNewport Beach, CAHeadquartered in Newport Beach, California, Flying V Group is a SEO agency. The small team specializes in Search Engine Optimization, Pay Per Click, Social Media Marketing, Generative AI, and more and was established in 2016.Read More
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American AirlinesIndustries
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32$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
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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
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34$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
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35$5,000+2 - 9 employeesAnaheim, CASearch Engine Projects is a SEO company. Their small team is in Anaheim, California; Anaheim, California and Beverly Hills, California. Their services include Search Engine Optimization, Pay Per Click, Social Media Marketing, and Digital Strategy. The firm was launched in 2004.Read More
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Law Firm MarketingIndustries
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36$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.
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United Way Bay AreaIndustries
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37$5,000+10 - 49 employeesMonrovia, CAReady Artwork - Website, Design, Marketing is a web design agency. The small Monrovia, California-based agency was launched in 2003. Their services include Web Design, Search Engine Optimization, and Pay Per Click.Read More
Clients
Adobe Systems SCS Engineering RideCo On-Demand Transit SouthWest Water CompanyIndustries
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38$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.
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39$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
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40$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
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Match GroupIndustries
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41$5,000+10 - 49 employeesBeverly Hills, CASocial media marketing agency icepop was established in 2017. They are in Beverly Hills, California; Austin, Texas; San Diego, California and Miami, Florida and have a small team. Their services include Social Media Marketing, Search Engine Optimization, Pay Per Click, Web Design, and more.Read More
Clients
FabFitFun Citizen Madhappy AtomsIndustries
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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.
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43$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.
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BodnoIndustries
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44$5,000+50 - 249 employeesLos Angeles, CAFounded in 2015, SeedX Inc. Is an Ecommerce Marketing company. Based in Los Angeles, California; Austin, Texas and New York, New York, their midsize team offers Ecommerce Marketing, Advertising, Search Engine Optimization, Web Design, and more.Read More
Clients
American Marketing Association 1-800-FlowersIndustries
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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.
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46$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.
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24HourPayrollIndustries
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47Undisclosed50 - 249 employeesIrvine, CADirective, a Demand Generation Marketing company, is headquartered in Irvine, California; Austin, Texas and Toronto, Canada. The midsize company was established in 2014. Their services include Demand Generation Marketing, Content Marketing, Search Engine Optimization, Pay Per Click, and more.Read More
Clients
Betterment Samsung SDS Sendoso GongIndustries
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48$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.
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JergensIndustries
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49$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.
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CreditKarmaIndustries
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50$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
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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 employeesSan Francisco, CAWeb design company EnlightWorks was established in 2016. They are based in Benicia, California; San Francisco, California; Portland, Oregon and Seattle, Washington and have a small team. Their services include Web Design, Web Development, Search Engine Optimization, and Conversion Optimization.Read More
Clients
Marin Housing AuthorityIndustries
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53$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
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54$10,000+2 - 9 employeesWest Hollywood, CAPill Creative Studio is a West Hollywood, California-based branding company. Established in 2020, the small team provides Branding, Web Design, Web Development, and Search Engine Optimization.Read More
Clients
GeolinksIndustries
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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
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56$5,000+10 - 49 employeesSan Francisco, CARSO Consulting is a PPC company. They are located in San Francisco, California and have a small team. Their services include Pay Per Click, Search Engine Optimization, Social Media Marketing, AI Consulting, and more. The agency was launched in 2006.Read More
Clients
Adobe Alsco Uniforms ADLINK Technology Inc. La Scuola International SchoolIndustries
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57$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.
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PepsiCoIndustries
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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
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59$1,000+10 - 49 employeesGlendale, CARead More
SEO American is a SEO firm that’s headquartered in Glendale, Calif and was founded in 2014. The one person firm provides SEO services, web development, and digital strategies to mid market and enterprise companies in the health care, business services, real estate, and dental industries.
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S-Team LAIndustries
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60$1,000+10 - 49 employeesLafayette, CARead More
10 Plus Brand, Inc., an advertising company, was established in 2011. Their small team is located in Lafayette, California. The company focuses on advertising, branding, logo, video production, and more.
Industries
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