Top 100 SEO Companies in the United States

Main Street ROI is a digital marketing agency located in New York. Founded in 2010 and with over 20 members on staff, Main Street ROI offers SEO, PPC, and web design services, helping small businesses create successful digital marketing campaigns.

The Media Captain is a SEO, web design, and PPC firm based in Columbus, Ohio. Founded in 2010, their team of 35 serves clients in the advertising, arts, and business services sectors. Services include SEO, social media, and digital advertising.

Fair Marketing, a pay per click agency, was launched in 2005. The small Spring, Texas-based team focuses on pay per click, social media marketing, search engine optimization, conversion optimization, and more.

Headquartered in Portland, Oregon, BrillianceNW is a small custom software development firm. Founded in 2020, the team specializes in custom software development, web development, web design, digital strategy, and more.

Rotate Digital is a SEO services firm. They focus on search engine optimization, web development, and other digital marketing and were founded in 2017. Their small team is Mesa, Arizona-based.

Founded in 2003, Web Loft Designs is located in Plano, Texas. With about 10 employees, they provide web design, web development, and e-commerce development services for enterprise, midmarket, and small businesses. They focus on transportation, e-commerce, health care, and medical industries.

SiO Digital is an inbound marketing agency that was founded in 2015. They are headquartered in San Diego and have an office in Los Angeles. They currently have 14 employees and specialize in content marketing, SEO, and advertising. 

North Star Inbound is a content marketing, SEO, and digital PR agency located in Austin, Texas. They have about 15 team members. Since 2015, they have provided content marketing and SEO services. Primarily, their clients are midmarket firms and small businesses in business services, education, and consumer products and services.

Jordan Marketing Consultants is a SEO services firm and web design agency. They are headquartered in Houston, Texas and have a small team that provides search engine optimization and web design. The agency was launched in 2017.

BERK Labs is a full-service marketing agency located in Houston. They serve mostly small businesses across a variety of sectors. BERK Labs was founded in 2013 and has about 1 employee. Services include conversion optimization, SEO, and PPC. 

Plaudit Design is a full-service digital agency that was founded in 1998. With offices in both Saint Paul, Minn. and New York, Plaudit Design has a team of 12 employees that specializes in web design and development, digital strategy, and SEO. 

SeedX Inc. is an award-winning digital marketing and growth agency headquartered in Los Angeles and Austin. They were founded in 2015, and the team of 45 specializes in omnichannel marketing, paid media, and scalable growth strategy. They primarily focus on e-commerce, technology, and multi-faceted campaigns and growth projects.

Founded in 2011, Ciphers Digital is an SEO and digital marketing firm based in Gilbert, Ariz. They have a tight-knit team of fewer than ten employees that work with small business clients. 

Founded in 2011, Spectrum Group Online is a digital marketing agency that prides itself on transparency and effective strategies. Based in San Francisco, its 8 person team provides  SEO, PPC, web design, social media, and content marketing solutions to their small business customers.

Since 1998, CommonMind has specialized in Google AdWords and analytics in New York. The search engine marketing company and its less than 10 employees help companies by managing search traffic and improving digital marketing campaigns.

Zero Gravity Marketing is a full-service marketing agency located in Madison, Conn. Founded in 2013, they have 55 employees specializing in digital marketing, SEO, PPC campaign management, website design, email marketing, brand development, and social media. They work with clients in advertising, consumer products, hospitality, arts and entertainment, education, IT, and automotive.

Digitawise is a design and development company that specializes in e-commerce products using WooCommerce, BigCommerce, and 3dcart. Headquartered in Varna, Bulgaria with a satellite campus in Los Angeles, Digitawise has a small team of eight employees. They have worked with mid-market and small businesses since 2016. Services include web design, e-commerce development, SEO, and social media marketing.

Onely, founded in 2019, is a small SEO agency based out of Wroclaw, Poland. Their team of roughly 50 employees who work with clients to develop authority and drive results using SEO best practices.

Camberlion is an SEO and digital marketing firm founded in Melbourne, Fla. in 2019 with over two experts. They provide social media marketing, web design, and SEO solutions for small and mid-market firms in the fields of manufacturing, dental, and e-commerce services.

CSTMR is a digital marketing firm that is located in Austin, Texas. The team of about 6 employees has been specializing in web design and development since the firm was founded in 2014. CSTMR also offers UI/UX design services to its clients.  

Digital Silk is a digital experience firm in New York. The team of 25 also has offices in Miami and Milan and provide web design, web development, and e-commerce development services to its midmarket and enterprise clients in telecommunications and other industries. 

Watson Creative is a research-based creative studio located in Portland and founded in 2008. They comprise 27 employees specializing in digital strategy and design and brand storytelling for various companies, from startups to venture capitalists, in a number of industries, including IT, lifestyle, finance, the arts, legal, dental, and consumer products. Services include brand strategy and DNA, website design, UX/UI, graphic design, content marketing, photography, video, and e-commerce.

One Thing Marketing is a marketing agency based in Louisville, Ky. and founded in 2011. Their team of six employees specializes in SEO, web design, and content marketing.

RxMedia, a SEO agency, is in Portland, Oregon. The small agency was launched in 2018. Their services include search engine optimization, content marketing, pay per click, social media marketing, and more.

Performance Driven Marketing is an internet marketing company from Pleasant View, Utah. Founded in 2009, they have a team of about 10 that provides SEO, PPC, web design, and web development services.

10 Plus Brand, Inc., an advertising company, was established in 2011. Their small team is located in Lafayette, California. The company focuses on advertising, branding, logo, video production, and more.

Idea Grove is a digital strategy company that was founded in 2005 and is headquartered in Dallas. The company is made up of 33 employees and specializes in PR, web design, and content marketing. 

The Molo Group is a web design agency. Their small team is in Cornelius, North Carolina and specializes in web design, digital strategy, and search engine optimization. The firm was established in 2016.

Runningfish Web Design & Digital Marketing is an SEO firm based in San Diego, Calif. Founded in 2003, their team of 7 serves clients in the hospitality, legal, and utility sectors. Services include social media marketing and web design.

Epic Web Studios, a web design company, was launched in 2009. The agency offers web design, digital strategy, and search engine optimization and has a small team. The agency is located in Erie, Pennsylvania.