Top 100 SEO Companies in the United States

Comentum is a San Diego-based development firm. Founded in 1997, Comentum's team of 10 employees specialize in web design, web development, and app development. 

Irish Titan is a full-service agency specializing in e-commerce and strategic digital experiences, web design, and web development. Based in Minneapolis, Minn., they have about 44 employees. Irish Titan focuses exclusively serves the IT sector.

Digital marketing and social media agency Room 214 is based in Boulder, Colo. Since the agency was founded in 2004, their team has grown to over 45 employees. Room 214 specializes in SEO, social media marketing, and conversion optimization services. Clients include enterprise-level companies in the technology space. 

UNION is a digital agency based in Charlotte, NC. Founded in 2002, they have about 60 employees that provide web development, SEO, social media marketing, branding, and content marketing services.

Based in New York, New York, DBNY is a small email marketing company. Founded in 2014, the team offers email marketing, social media marketing, conversion optimization, e-commerce development, and more.

DAYTA Marketing, a social media marketing firm, was founded in 2011. Headquartered in Waite Park, Minnesota and Minneapolis, , their small team specializes in social media marketing, digital strategy, advertising, conversion optimization, and more.

Launched in 2010, Turn The Page Online Marketing - Out of Business is a web design agency. Their small team is located in Lee's Summit, Missouri and focuses on web design, advertising, branding, email marketing, and more.

ORAIKO is a web design agency. The small New York, New York-based firm was established in 2005. Their services include web design, digital strategy, and web development.

Protocol 80 Inc. Is a content marketing company. Founded in 2002, the small firm is headquartered in Bradford, Pennsylvania. Their team provides content marketing, pay per click, search engine optimization, conversion optimization, and more.

New Breed Marketing is a small conversion optimization company in Winooski, Vermont. Launched in 2002, the team specializes in conversion optimization, digital strategy, and web design.

Getfused is a digital strategy company headquartered in Boston, Massachusetts. The small agency was founded in 1996. Their team offers digital strategy, web design, ux/ui design, and video production.

Barnhart Communications is a small advertising company. Founded in 1978, the team focuses on advertising, branding, public relations, search engine optimization, and more. The company is in Denver, Colorado.

Story Partners is a public relations agency. They are based in Washington, District of Columbia and have a small team. Their services include public relations, social media marketing, digital strategy, and search engine optimization.

High Wide & Handsome is a small advertising company. The Culver City, California-based company was founded in 2010. Their services include advertising, branding, and social media marketing.

In Irvine, California, TRAFFIK is a small advertising company. They provide advertising, branding, search engine optimization, and social media marketing and were launched in 2000.

In Chicago, Illinois and New Haven, Connecticut, GoodFolk is a branding company. The small team offers branding, digital strategy, web design, web development, and more and was launched in 2015.

DesignLoud, Inc. Is a website development firm. Based in Wilmington, North Carolina, their small team offers web development, custom software development, ux/ui design, digital strategy, and more. The firm was established in 2011.

Small advertising company beMarketing, is in Blue Bell, Pennsylvania. They focus on advertising, branding, email marketing, graphic design, and more and were founded in 2008.

Founded in 1995, MACLYN is a marketing firm that primarily works with middle-market and large businesses. The company is headquartered in Naperville, Ill. and has an additional location in Des Moines, Iowa. Their team of about 25 specialists offers expert branding, SEO, PPC, social media marketing, digital strategy, marketing strategy, advertising, and video production.

Content marketing company V Digital Services is located in Phoenix, Arizona and Denver, Colorado. The company provides content marketing, pay per click, search engine optimization, social media marketing, and more and is small.The company was founded in 2013.

Tiziani Whitmyre is a branding agency. The small team is in Sharon, Massachusetts. Their services include branding, content marketing, advertising, media planning & buying, and more.

The Abundancy is an advertising company. Their small team is based in Chicago, Illinois. Their services include advertising, digital strategy, marketing strategy, content marketing, and more. The company was founded in 2016.

Grady Campbell Design is a branding company founded in 1990. The small team offers branding, advertising, public relations, and web design. The company is located in Chicago, Illinois.

StellaPop is a branding company. The small team is in Reston, Virginia; Washington, District of Columbia and Reston, Virginia. Their services include branding, web design, logo, web development, and more.

Ntooitive Digital LLC is a social media marketing agency. They are based in Las Vegas, Nevada and have a small team. The firm specializes in social media marketing, advertising, ux/ui design, branding, and more.

Founded in 2005, Eri Design is a web design agency. The agency offers web design, web development, custom software development, and ux/ui design and has a small team. The agency is headquartered in Worcester, Massachusetts.

Kulture Konnect is a branding firm. The small Norco, California-based firm was founded in 2005. Their services include branding, marketing strategy, social media marketing, and email marketing.

Ghost Media Inc. Is a social media marketing agency established in 2011. The agency focuses on social media marketing, digital strategy, content marketing, search engine optimization, and more and has a small team. The agency is headquartered in Beverly Hills, California; New York, New York and London, United Kingdom.

Premier Agency is a PR firm. Founded in 2008, the small agency is based in Chamblee, Georgia. Their services include public relations, branding, and web design.

Public relations agency communications 21 was established in 1992. Their small team is in Atlanta, Georgia. Communications 21 specializes in public relations, web development, email marketing, search engine optimization, and more.