Top 100 SEO Companies in the United States

OppGenetix is a digital agency based in Columbus, Ohio. Founded in 2014, this company has a team of 24 employees. Services provided by OppGenetix include PPC, SEO, and web design for companies of all sizes.

Padula Media is a West Chester, Pennsylvania-based social media marketing firm. The small team specializes in social media marketing, search engine optimization, web design, video production, and more. The firm was founded in 2017.

Relevance Advisors is an Atlanta-based digital marketing agency. Their team of fewer than 10 serves small and midmarket businesses in industries such as e-commerce, healthcare, and education. Services include PPC, SEO, and social media marketing. They were founded in 2010.

DAGMAR Marketing is based in Jacksonville, Fla. The digital marketing agency and its team of 12 have been specializing in SEO, PPC and conversion optimization since 2011. DAGMAR Marketing mainly works with small businesses in the retail, advertising & marketing, arts, entertainment & music, media and financial services industries.  

Ohio-based digital marketing agency Pole Position Marketing has been helping businesses with SEO, PPC, digital strategy, social media, and content marketing since 1998. The team of nearly 15 works with small and large companies in North America.

PX Media is a boutique marketing firm based in Pasadena, Calif., with satellite offices in Los Angeles and San Diego, Calif. Founded in 2001, PX Media has fewer than 5 employees. The firm specializes in web development and SEO services.

Founded in 2016, Design In DC is a digital design agency that works with small and mid-market businesses. A team of 25 employees with a wide-range of skills, their technical services include app development, web development and maintenance. Design In DC also offers creative services such as videography and photography to enhance client projects. 

ADVAN Design is a small content marketing company. Founded in 2001, the firm is headquartered in Akron, Ohio; Stow, Ohio and Cleveland, Ohio. Their team provides content marketing, conversion optimization, digital strategy, email marketing, and more.

Dragonfly Digital Marketing is a content marketing, SEO, and PPC firm based in Baltimore, Md. Founded in 1997, their team of less than 10 serves clients in the education and business services sectors. Services include content development, link earning, Facebook advertising, and Google Ads.

Advertising company ProperExpression was established in 2018. The small team offers advertising, marketing strategy, content marketing, digital strategy, and more. The company is headquartered in Rockville, Maryland.

Newton, Mass. digital marketing firm inSegment offers a complete range of online advertising solutions for any business seeking to increase web traffic and interaction. With over 60 employees, inSegment is equipped for large-scale, sophisticated projects without sacrificing accessibility. They specialize in creating full-service marketing solutions that combine web design, SEO, content creation, and analytics. inSegment focuses on providing quantifiable results to its clients.

Social media marketing company MacroHype was established in 2009. The company provides social media marketing, advertising, search engine optimization, branding, and more and has a small team. The company is headquartered in Alexandria, Virginia and Washington, District of Columbia.

Located in Scottsdale, Arizona, Elevato Digital is a software development firm. The midsize agency was founded in 1986. Their team provides custom software development, digital strategy, social media marketing, content marketing, and more.

Knowmad Digital Marketing is based in Charlotte, NC and has a small team of fewer than 10 employees. An award-winning boutique digital marketing agency, Knowmad Digital Marketing assists small and mid-market businesses in engaging, retaining, and acquiring customers through internet marketing services such as content marketing, web design, SEO, PPC, social media marketing, and digital strategy.

J&A Digital Solutions LLC is a web design company. They are in Lancaster, Ohio and have a small team. Their services include web design, web development, advertising, search engine optimization, and more.

Eastern Standard, an user experience design agency, was established in 2014. They are located in Philadelphia, Pennsylvania and Boston, and have a small team. Their services include ux/ui design, branding, digital strategy, web design, and more.

Efelle Creative is an advertising and software development firm with about 30 employees. Based in Seattle, the team focuses on web design, web development, SEO, and e-commerce development. The company was founded in 2005.

Eventige Media Group is a full-service integrated marketing and advertising agency headquartered in New York City. Founded in 2009, they have a small team of 6 but have worked on complex projects for several well-known global brands. Their services consist of e-commerce development, SEO, social media marketing, and more. 

With headquarters in Denver and offices all over the country, NEWMEDIA specializes in creative and innovative web design and development and SEO. The agency and its nearly 200 employees have created 3500+ websites and applications since they were founded in 1996.

As a best in class provider of digital marketing for companies in the B2B industrial technology sector, Lform understands the importance of precision and consistency. Whether you are involved in engineering, manufacturing, distribution or sales, you know that innovation is only the first step. You must have the infrastructure to move a product from development to introduction and growth, the expertise to produce consistent results, and the drive to persevere no matter what obstacles you face. Lform combines creativity and technological prowess to deliver results-driven digital design and marketing solutions. From discovery to development, we maintain a laser focus on your goals. Our websites tell the story of your company and connect the organization to its ideal audience. We make it easy for customers and potential clients to learn about what you do and the products and services offered.

The Alfam is a small branding company. Launched in 2013, the team specializes in branding, marketing strategy, digital strategy, web design, and more. The agency is located in New York, New York and Miami, Florida.

C7 Creative is a development firm based in Jacksonville, Florida. Their services include mobile app development, web design, and video production. Established in 2009, the 10-person team works primarily with small and midmarket businesses.

Media Giant Design is a small software development company. They provide custom software development, e-commerce development, IT managed services, search engine optimization, and more and were founded in 2009.

Venveo is an advertising company. They are headquartered in Blacksburg, Virginia and have a small team that specializes in advertising, search engine optimization, social media marketing, web design, and more. The firm was launched in 2006.

Established in 2015, NL Softworks is a small web development firm. Their team focuses on web development, web design, custom software development, application management & support, and more. The company is based in Marblehead, Massachusetts.

Lion's Share Digital is a digital media and web agency. This company has two employees and was founded in 2013. Lion's Share Digital is located in Austin, Texas and offers a range of services including website design, digital strategy consulting, and branding for small to medium-sized businesses.

The Commerce Shop is an E-commerce development firm that was founded in 2010. They are made up of less than 10 employees and are headquartered in Atlanta. The company specializes in E-commerce development, conversion optimization, and digital strategy.
 

Optimum7 is a full-service B2B and eCommerce Development and Marketing Agency based in Coral Gables, FL and founded in 2007. Optimum7 serves mostly small businesses and mid-market clients in B2B, eCommerce, education, industrial, healthcare, technology and legal services industries. As an agency with more than 50 employees, they are specialized experts in B2B and eCommerce Development, Web Design, Software Development, Digital Marketing and SEO.

Vonnda is a San Francisco-based web agency founded in 2010. Their team of 10–20 employees provides web development, web design, and e-commerce design. They also conduct SEO and are proficient in Magento. 

Flamingo Agency is a digital marketing agency based in Chicago. Founded in 2017, they have a small team that provides specialty SEO and web design services to small businesses. Their main services include SEO, website creation and CMS particularly in the hospitality, health and business industries.