Top 100 SEO Companies in California

Silk Software is a full-service digital agency located in Irvine, Calif., and New York, New York. Established in 2007, they currently have about 36 employees who provide e-commerce development, ERP consulting and SI, and PPC services. They specialize in serving clients in the consumer products and services, hospitality and leisure, and IT industries.

OPTYO is a branding firm. Established in 2018, the small firm is headquartered in San Diego, California. Their services include branding, social media marketing, affiliate marketing, search engine optimization, and 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.

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. 

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.

Since 2014, Brandetize have worked with clients providing digital strategies, content marketing, SEO, social media marketing and conversion optimization services. Headquartered in San Diego, a team of 50 focus client efforts on Facebook Advertising, Google AdWords, Instagram advertising, and influencer marketing

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.

Bananas Marketing Agency is a Los Angeles-based marketing firm founded in 2019 with fewer than 10 employees. They are experts in SEO, PPC, and conversion optimization services for small businesses in various industries, including legal services, health care, and more.

Social media marketing agency Formula Marketing was launched in 2008. The small team provides social media marketing, content marketing, digital strategy, graphic design, and more. The firm is based in San Diego, California.

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.

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.

Proactive Online Marketing, a SEO services firm, is in Fresno, California. The small team offers search engine optimization, pay per click, and social media marketing. The company was established in 2007.

Artsy Geek is a boutique web and marketing agency headquartered in Oakland, California with another office in Seattle. The team specializes in integrated marketing, web development, graphic design, internet marketing and social media. Comprised of less than 10 employees, Artsy Geek is a team of skilled designers, marketers, and coders. Founded in 2011, it collaborates with clients to build and grow their brand identities for a strengthened online presence.

Wytlabs 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.

Located in San Jose, California, Ranking Rooster is a SEO services firm. The small team offers search engine optimization and was established in 2020.

RNO1 is a digital design agency headquartered in California, with offices in Washington and Vancouver. Founded in 2007,  RNO1 has a team of less than 50 and specializes in UX/UI design, web design, web development, marketing strategy, branding, and SEO. 

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.

SPARK6 is a creative agency founded in 2011 and based in Santa Monica, Calif. The seven-person team provides mobile app development, UX/UI design, search engine optimization, custom software development, and branding services.

Seal Media is a studio founded in 2007 with fewer than 10 professionals. They offer video production, digital strategy, and content marketing solution from their office in Costa Mesa, Calif. They mainly work with small and mid-market businesses.

Toporin Studio is a web agency based in San Diego with more than two members. Founded in 2016, they offer web design, web development, and SEO solutions for clients in the fields of business services, consumer products, and advertising.

Raincross is an online marketing agency from Riverside, Calif. that was established in 2012. Their 1 person team provides SEO, PPC, and web design services to companies of all sizes. 

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.

Elevate My Brand(EMB), founded in 2010, works with B2B and B2C businesses using strategies that help the client achieve advertising and marketing goals. With a focus on event marketing, digital strategy, and social media marketing, a team of 9 at EMB works with clients in the business, IT, social media, and healthcare spaces.

Located in Castro Valley, CA, KO Websites is a marketing agency founded in 2001. It specializes in providing traditional customer service with new age marketing skills. Its approximately a dozen employees provide a variety of digital marketing services, including SEO, PPC, social media marketing, web design, digital strategy, email marketing, and conversion optimization.

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.

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.

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.

Rainfactory is a full-service digital marketing agency based in Oakland, Calif., with a secondary location in Seattle. Founded in 2014, this company has 22 employees. Services offered by Rainfactory include social media marketing, PPC, and advertising for small to mid-sized businesses.

Brenton Way is a digital marketing agency based in Woodland Hills, Calif. Founded in 2017, Brenton Way's team of 7 employees provides a variety of different services such as SEO, PPC, social media marketing, and PR.

Thomas Digital Web Design is a web design agency based in San Francisco. The agency, founded in 2010, is a team of less than ten that provides web design, web development, and SEO services to small and midmarket companies.