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
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$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
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$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
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211$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.
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henryclarence.comIndustries
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212$1,000+10 - 49 employeesWalnut Creek, CARead More
Single Origin Media, LLC is a web design company based in Walnut Creek, California. The small team offers web design, advertising, branding, graphic design, and more. The company was founded in 2014.
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213Undisclosed10 - 49 employeesLos Angeles, CARead More
Valid Resource provides digital marketing services for the health and wellness industry. Founded in 2018 and headquartered in Boise, Idaho, their small team of 2–3 employees handles digital strategy, social media marketing, SEO, and more. Their specialty within SEO is content development.
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214$10,000+50 - 249 employeesWest Hollywood, CARead More
SEO company EZ Marketing Tech was established in 2009. The small team offers search engine optimization, pay per click, social media marketing, conversion optimization, and more. The company is in West Hollywood, California.
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215$1,000+2 - 9 employeesCamarillo, CARead More
Royals Advertising is an advertising agency based in Norfolk, Va. with more than two employees. They have offered advertising, branding, and direct marketing solutions since their founding in 2018. They primarily work with small businesses and startups.
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K.M. Cash RemodelingIndustries
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216Undisclosed2 - 9 employeesDana Point, CARead More
Bare Bones Marketing LLC Texas is an Austin, Texas-based mobile & app marketing company. The small agency was launched in 2011. Their services include mobile & app marketing, search engine optimization, social media marketing, web design, and more.
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217$10,000+2 - 9 employeesLos Angeles, CABased in Los Angeles, California, Newthink is an e-commerce development firm. The small firm was established in 2004. Their services include e-commerce development, search engine optimization, web design, conversion optimization, and more.Read More
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218$1,000+2 - 9 employeesVisalia, CARead More
Established in 2008, Chavez Web Design LLC is a web design agency. Working specifically with small businesses, they also provide digital marketing services such as SEO and PPC. Their team of 5 is based in Visalia, California.
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Carpet Cleaning Visalia -
219$1,000+2 - 9 employeesLos Angeles, CAPike x Digital is a web design agency. They specialize in Web Design, Email Marketing, Search Engine Optimization, Marketing Strategy, and more and were founded in 2016. The agency is headquartered in Los Angeles, California.Read More
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FUSE Media Elios Restaurant Colville Hall Wedding Venue Blake Hall Wedding VenueIndustries
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220$1,000+2 - 9 employeesLaguna Beach, CARead More
Somnu Medias is a social media marketing company located in Laguna Beach, California and Salt Lake City, Utah. Founded in 2018, the small team specializes in social media marketing, branding, video production, marketing strategy, and more.
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221$1,000+2 - 9 employeesEncinitas, CARead More
SEO services firm Local Blitz is located in San Diego, California; Encinitas, California and Indianapolis, Indiana. The small company was established in 2009. Their services include search engine optimization and pay per click.
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222$25,000+10 - 49 employeesSan Diego, CARead More
NoMoBo is a San Diego-based software company founded in 2017 with more than 10 members. They specialize in custom software, web, and mobile app development services for small and mid-market firms in industries such as real estate, IT, and utilities.
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HOA MessengerIndustries
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223Undisclosed2 - 9 employeesSanta Monica, CARead More
Computaid, a web design company, is headquartered in Santa Monica, California. The small team offers web design, search engine optimization, web development, e-commerce development, and more. The firm was launched in 1984.
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224$1,000+10 - 49 employeesSan Diego, CARead More
Headquartered in San Diego, California, Client Catch is a PPC agency. Launched in 2021, the small team focuses on pay per click, social media marketing, and search engine optimization.
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225$5,000+2 - 9 employeesLong Beach, CAThe SEO Queen is a SEO company. The small Long Beach, California-based firm was founded in 2017. Their team provides search engine optimization, web design, mobile & app marketing, and logo.Read More
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226$1,000+10 - 49 employeesLos Angeles, CARead More
Located in Los Angeles, California, GIA Studio Marketing Agency is a pay per click agency. They specialize in pay per click, marketing strategy, and search engine optimization and were founded in 2021.
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227$1,000+50 - 249 employeesAlbany, CARead More
ESP Inspire is an e-commerce firm based in Albany, Calif. Founded in 2001, their team of 150 serves clients in the e-commerce, and consumer products sectors. Services include corporate identity, content development, and WooCommerce development.
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228$10,000+2 - 9 employeesFullerton, CARead More
Internetzone I, Inc. Is a SEO agency. They are headquartered in Fullerton, California and have a small team that focuses on search engine optimization, public relations, and web design. The firm was launched in 1999.
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229$1,000+10 - 49 employeesSan Francisco, CARead More
Cyrusson Inc, an advertising company, was launched in 2019. The firm focuses on advertising, content marketing, digital strategy, email marketing, and more and has a small team.
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230$1,000+2 - 9 employeesSan Francisco, CARead More
Voco Design and Marketing is a San Francisco, California-based graphic design company. The small agency was founded in 2006. Their services include graphic design, web design, print design, branding, and more.
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231$1,000+10 - 49 employeesMontebello, CASmall SEO company SEO Reforms, is headquartered in Faisalabad, Pakistan and Montebello, California. Established in 2020, the team provides Search Engine Optimization, Social Media Marketing, Web Development, Content Marketing, and more.Read More
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232$10,000+10 - 49 employeesLaguna Beach, CARead More
Young Company is a B2B advertising agency founded in 1949 and located in Laguna Beach, Calif. With a team of fewer than 50 employees, they offer web design, advertising, market research, and SEO services. Their clientele comprises mostly midmarket businesses in the business services, automotive, and manufacturing industries.
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Accounting for Mortgage BankersIndustries
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233$5,000+10 - 49 employeesPleasanton, CARead More
SEO Pro Hub is an SEO consultancy founded in 2016. Based in Pleasanton, Calif., the small team of 2 specializes in digital strategy, SEO and social media marketing.
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234$5,000+10 - 49 employeesSanta Monica, CADragon Horse Agency is a social media marketing firm launched in 2015. The agency specializes in Social Media Marketing and Digital Strategy, and is small.Read More
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235$5,000+2 - 9 employeesDixon, CARead More
Small digital strategy company SEO'D Digital Marketing, is headquartered in Dixon, California. Established in 2019, the team specializes in digital strategy, content marketing, search engine optimization, social media marketing, and more.
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236$5,000+2 - 9 employeesLa Palma, CARead More
Skyhound Internet is a web design and development firm located in La Palma, Calif. Founded in 1998, Skyhound Internet's small team of 9 employees has over two decades of experience in web development and design. The firm also offers e-commerce development services to its clients. Skyhound Internet primarily works with small and mid-market sized clients from the nonprofit, business services, and e-commerce industries.
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GoodwillIndustries
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237$10,000+2 - 9 employeesLos Angeles, CARead More
Impactful Agency is a visual design & marketing agency founded in 2019 in Los Angeles with no more than 10 employees. They offer SEO, web design, and web development solutions to clients in the fields of advertising and business services.
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DisneyIndustries
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238Undisclosed2 - 9 employeesConcord, CAGrowth Copywriting is a small digital strategy company in Concord, California. They focus on digital strategy, content marketing, affiliate marketing, search engine optimization, and more and were launched in 2021.Read More
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239$1,000+2 - 9 employeesSacramento, CARead More
LeadChimp is a marketing and advertising agency founded in Sacramento, Calif. with over two members. Founded in 2016, they are experts in social media marketing, PPC ads, and SEO services for small and medium-sized businesses in the field of advertising.
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Esthetic Inknglow LLCIndustries
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240$10,000+10 - 49 employeesOakland, CAMarketing Strategy company Reverence Global was established in 2020. The firm focuses on Marketing Strategy, Branding, Search Engine Optimization, Web Design, and more and has a small team.Read More
Clients
Good Radiance Inc.Industries
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