Top 100 SEO Companies in California

3Q Digital is a digital marketing and strategic consulting agency headquartered in San Mateo, Calif. with additional offices in San Diego, San Francisco, Chicago, New York, Burlington, Vt., Austin, Texas, and Raleigh, N.C. Their staff consists of over 250 experts in SEO, social media marketing, and analytics.

Metric Theory is a San Francisco-based digital marketing agency. Since founding in 2012, they've grown to over 60 employees with experience working with over 230 clients. They have experience with every type of marketing issue for clients that range from small business to large e-commerce firms. They specialize in PPC, digital strategy, social media marketing, conversion optimization, and mobile marketing.  

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.

Advertising company Yourhouse Marketing was launched in 2022. The small Los Angeles, California-based team offers advertising.

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.

Small web design company SLIQ (formerly Hoshaymi) is headquartered in San Jose, California. Launched in 2020, the team offers web design, branding, digital strategy, search engine optimization, and more.

Small content marketing company NoGood, is headquartered in New York, New York. They provide content marketing, pay per click, search engine optimization, social media marketing, and more and were established in 2017.

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

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.

Zoek is a marketing and SEO company based in Aliso Viejo, Calif. Founded in 2016, this company has a team of 20 employees. Zoek specializes in SEO and also offers services in relation to content marketing, advertising, and social media marketing for businesses of various sizes.

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.

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.

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.

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.

Reputation Management Consultants is a PR agency based in Irvine, Calif. and was founded in 2009. They have a team of 22 employees who specialize in public relations. 

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.

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.

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. 

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.

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.

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.

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.

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

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.

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.

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.

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. 

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.

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.