Top 100 SEO Companies in the United States

Brand Iron is a strategic branding agency based in Denver. Founded in 2002, their team of around 16 employees provides web design, SEO, and advertising services.

Click Here Digital is a digital marketing and consulting agency headquartered in Baton Rouge, La. They were founded in 1993, and they have a team of 55 employees who provide conversion optimization, digital strategy, PPC, SEO, and social media marketing services. 
 

Ice Nine Online is a Chicago-based digital marketing agency that specializes in web design, PPC and SEO. Founded in 2014, Ice Nine Online offers a suite of research, marketing, and branding services as well as digital marketing training.  A team of fewer than 9 employees, Ice Nine Online works primarily with small and mid-size companies.

516 Marketing Inc is a Fort Worth, Texas-based other digital marketing company. The small agency was launched in 2021. Their team focuses on other digital marketing, search engine optimization, digital strategy, web design, and more.

BuildThis is a website design and support company based in Chicago. Founded in 2012, the team of 15 specializes in web design & development, custom software development, and UX/UI design.

 

InterActive Circle is a digital marketing company headquartered in Minneapolis, Minn. with a satellite office in Dallas and McKinney, Texas. The team of around 15 employees provides clients with web design, SEO, PPC, social media marketing, and content marketing services.

SEO services firm DUSK Digital is in New River, Arizona. They specialize in search engine optimization, web design, and IT managed services and were launched in 2019.

Outsmart Labs is a strategic digital marketing agency based in Miami. The agency, founded in 2013, is composed of a team of around 15 that provides digital strategy, advertising, and branding services to various companies. 

World Star SEO is a search engine optimization company based in Denver, Colo. Founded in 2016, World Star SEO  that was founded in 2016. With less than 10 team members on staff, the agency specializes in web development, marketing strategy, and search engine optimization.

Kegan Quimby Web design & Development, an user experience company, was established in 2011. The agency provides ux/ui design, branding, mobile app development, search engine optimization, and more and has a small team. The agency is headquartered in San Francisco, California.

Digital agency Fuel Online was founded in 1998. Headquartered in New York with an office in Boston, their team of 7 specializes in SEO, digital strategy, PPC, and more. 

Today's Local Media is a full-service marketing agency based in Dallas with an office in Denver. The agency, founded in 2012, is a team of less than 10 that provides SEO, PPC, and web design services to various companies.

Web design agency Keybridge Web was founded in 2003. The agency specializes in web design, web development, search engine optimization, custom software development, and more and has a small team. The agency is located in Washington, District of Columbia and Glen Allen, Virginia.

Nifty Marketing is a digital marketing agency located in Burley, Idaho and founded in 2009. With a team of less than 50 employees, they provide SEO, web design, and content marketing primarily to arts, business, and financial industries. 
 

Aztek is a digital strategy company. Their small team is in Cleveland, Ohio. Their services include digital strategy, search engine optimization, web design, content marketing, and more. The firm was established in 1997.

Careful Feet Digital Marketing Agency is a digital marketing company based in London. Founded in 2017, their team of three employees provides digital strategy, PPC, and content marketing services.

Eucalypt Media is a digital marketing agency headquartered in Scarborough, Maine. They were established in 2007, and have just 2 employees who offer content marketing, SEO, copywriting, PR outreach, social media marketing, and more.

Simple Machines Marketing is a Chicago-based marketing company founded in 2012. Their 9-person team offers services in digital strategy, marketing strategy, content marketing, and more.
 

Loebig Ink, LLC is a small advertising company. They focus on advertising, search engine optimization, social media marketing, and web design and were launched in 2010. The agency is headquartered in Silver Spring, Maryland.

Marketing strategy company Exigo Sales and Marketing is in Jacksonville, Florida. The agency focuses on marketing strategy and is small.The agency was founded in 2014.

Chicago digital marketing agency LyteYear Group was founded in 2017. LyteYear Group's team of 3 specializes in SEO, PPC, social media marketing, digital strategy, and mobile and app marketing.

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.

Scalater is a website development company founded in 2020. The agency provides web development, e-commerce development, web design, custom software development, and more and has a small team.

Segment SEO is an SEO agency based in Houston with over two employees. They specialize in SEO solutions for various clients.

On First Page Inc. is a digital marketing specialist based in Tulsa, Okla. Founded in 2007 and with under 10 employees, they specialize in SEO, web design, and social media marketing. Interfacing with small, mid-market, enterprise businesses, they focus primarily on business services, consumer products and services, and transportation sectors. 

Website development firm Bluehouse Group is located in Burlington, Vermont. The small agency was launched in 1998. Their team offers web development, web design, architectural design, custom software development, and more.

Content Creators Agency, LLC is a turnkey agency founded in 2019 in Nashville, Tenn. with more than two employees. They specialize in content marketing, social media marketing, and SEO solutions for small and mid-market companies alike.

Fujisan Marketing is an online marketing firm located in Seattle. It was founded in 2014 and has a 5-person team. They offer PPC, SEO, and digital strategy services.

RMG is a digital commerce agency that provides various services ranging from web design and development to branding and digital strategy. They were established in New York in 2013 and now have over 400 employees worldwide. The team supports midmarket businesses in the retail and e-commerce industries.

Mantyweb LLC is a web development company based in Cypress, Texas, and founded in 2007. Their team of 5 employees specializes in web development, SEO, and PPC.