Top 100 SEO Companies in the United States

Founded in 2006, OneIMS is a results-driven digital marketing firm in Chicago. Its team of more than 30 manages the inbound marketing process for its clients, with special emphasis on SEO, PPC, digital strategy, conversion optimization, and content marketing. 

Founded in 2000, Brainvire is based out of South Jordan, Utah, with other offices across the U.S., India, and the U.A.E. Specializing in e-commerce development, they also provide web and mobile app development, game development, and ERP and CRM integration.

More Local Clients, LLC. Is a Mundelein, Illinois-based SEO company. The small team provides search engine optimization, web development, marketing strategy, digital strategy, and more and was launched in 2021.

Digital strategy company 42connect was founded in 2002. They are located in Cleveland, Ohio and have a small team. 42connect provides digital strategy, pay per click, search engine optimization, social media marketing, and more.

Flying V Group, founded in 2016, is a digital marketing company headquartered in Irvine, Calif. The company’s team of 7 employees provide content marketing, PPC, SEO, social media marketing, and web design services to mid-market, small, and enterprise businesses. The businesses they serve are in a variety of industries including the advertising & marketing, business services, and financial services industries. 
 

A leading digital marketing and brand management company, REQ outpaces changes in today’s rapidly evolving media landscape by bringing reputation, advocacy, brand, and business results to new heights. Offering a comprehensive suite of solutions and technologies that define, connect, and protect brands, REQ serves global brands and leaders in technology, real estate, entertainment, government, hospitality, retail, and finance. The company has been named to both the Inc. 500 and Deloitte Fast 500 lists as one of the fastest growing companies in America, as well as Inc.’s Best Workplaces. Founded in Washington, DC in 2008, REQ has offices and employees in New York, Boston, and San Francisco. 

Cutting Edge Digital Marketing is a digital strategy company that was founded in 2007 and is headquartered in Spencer, Ind. They specialize in SEO, web design, and conversion optimization and are made up of less than 10 employees and maintaining a client focus towards small-sized companies. 

SEO company and PPC agency Renaissance Commerce Inc. Was founded in 2016. Their small team is located in St. Augustine, Florida. Their services include search engine optimization and pay per click.

Acadia is a digital strategy company. They offer digital strategy, social media marketing, web development, email marketing, and more and were launched in 2021. Their midsize team is located in Atlanta, Georgia; New York, New York and Holland, Michigan.

Launched in 2015, Hennessey Digital is a midsize SEO company. Their services include search engine optimization, pay per click, ux/ui design, content marketing, and more. The company is in Los Angeles, California.

Verbsz Marketing is a small SEO services firm. Established in 2017, the team provides search engine optimization, digital strategy, social media marketing, content marketing, and more. The agency is in Herndon, Virginia.

Online reputation management and PR firm NetReputation was founded in 2015. With headquarters in Sarasota, Florida, the company has a team of 50. They specialize in negative content removal, branding, public relations, and customized ORM solutions. The company works with individuals and businesses across all industries, including technology, legal, and consumer products brands.

Digital Current is a digital marketing agency founded in 2003. Digital Current's team of around 40 are based in Mesa, Ariz., and specialize in SEO, conversion optimization, and content marketing.

OptFirst Internet Marketing is an internet marketing company based in Miami Shores, FL. Founded in 2001, OptFirst Internet Marketing has nearly two decades of experience with integrated search marketing, which includes SEO and PPC. The team or approximately 15 employees serves both small and mid-market businesses.

Core Mobile App Development is a digital agency based in Orlando, FL. With less than 10 staff members, the small team specializes in web design, mobile app and software development, and UX/UI design.

Founded in 2010, Sachs Marketing Group is a local SEO firm based in Westlake Village, California. With a team of approximately 15 employees, Sachs Marketing Group assists clients with SEO, web design, and social media marketing.The client appreciated that Sachs Marketing Group was highly responsive and able to achieve a first page ranking for nearly all keywords the client identified, with an ongoing commitment to achieving more difficult keyword results.

Caffeine Marketing is a digital marketing agency based in Sandy Springs, Ga. that was founded in 2017. Their team of 3 employees specializes in digital strategy, social media marketing, and web design for small business clients. 

Digital Position is an advertising company. Established in 2013, the small company is headquartered in Simsbury, Connecticut and Charlotte, North Carolina. Their services include advertising, pay per click, and search engine optimization.

VELOX Media is an ROI-modeled digital marketing agency based in Boise, Idaho. It was founded in 2004 and now has a team of 20 employees. VELOX Media provides mostly SEO, PPC, digital strategy, conversion optimization, and content marketing services.

Lockedown Design & SEO is a digital agency in Sacramento, Calif. Founded in 2012, they’re a freelancer who serves small businesses in the manufacturing and business sectors. Services include SEO, web design, and content marketing.

AdToro is a marketing agency founded in Atlanta in 2017. With no more than 10 employees, they provide social media marketing, PPC, and email marketing solutions for various clients.

South Jordan, Utah-based Be Locally SEO is a web design and digital marketing agency that was founded in 2009. The agency has 20 employees and mainly focuses on SEO but also provides web design, PPC, social media marketing, and content marketing services to clients.

Plan Left is a small advertising company. Launched in 2012, the company is based in Nashville, Tennessee. Their team provides advertising, digital strategy, print design, search engine optimization, and more.

Headquartered in Portland, Ore., Mad Fish Digital has over 20 employees on staff. Since 2006, the marketing agency has been specializing in SEO, PPC, digital strategy, and content marketing. The team partners with clients across the hospitality, healthcare, and education spaces. 

Located in Chicago, Ill., Marcel Digital is a digital marketing and web development agency that has been assisting clients since 2003. Their team of 30 specialize in SEO, web development, and PPC.Marcel Digital's efforts resulted in measurable growth, including increased online orders, contact form submissions, and newsletter signups. 

A digital marketer based in San Francisco, Randy McCabe offers SEO, PPC, and digital strategy services. They were founded in 2018.

Digital Third Coast is a leading digital marketing agency based in Chicago. Founded in 2007, they have about 24 employees that serve clients from a wide variety of industries. Services include SEO, paid media, paid social, and digital PR.

GLIDE is a web design, development, and digital marketing agency located in Austin, Texas. Founded in 2002, GLIDE offers web design, web development, SEO, and digital strategy services. Comprised of fewer than 10 employees, GLIDE manufactures potent brands that leave an indelible impression on customers.  

The Brandsmen is a marketing and branding agency based in Denver. Founded in 2014, their team of around 3 employees specializes in SEO, PPC, and branding.

Directive Consulting is a performance marketing agency headquartered in Irvine, California. Founded in 2014, the team of about 75 employees specializes in Paid Media, SEO, Performance Creative, GTM Strategy, and Revenue Operations.