Top 100 SEO Companies in the United States

Search Nurture is a full-stack digital marketing agency headquartered in Oakland, California. Founded in 2017, their team of approximately 17 employees serves clients of all sizes, primarily in the business services and retail sectors. Their specialties are SEO, PPC, and digital advertising.

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.

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. 

SEO American is a SEO firm that’s headquartered in Glendale, Calif and was founded in 2014. The one person firm provides SEO services, web development, and digital strategies to mid market and enterprise companies in the health care, business services, real estate, and dental industries. 

ZINC Digital of Miami is a digital marketing agency based in Miami. Since 2018, their small team has been specializing in SEO, web design, branding, market research, and more for a variety of clients. 

Launched in 2005, Voltage is a branding firm. The small team focuses on branding, marketing strategy, email marketing, logo, and more. The agency is in Kansas City, Missouri.

Stratedia is a digital marketing agency located in Mystic, Conn. Founded in 2015, they have four employees specializing in website design, SEO, PPC, social media, and content creation. They work with a range of companies primarily in the consumer products, real estate, and retail industries.

Anvil Media is a marketing agency with offices in Portland, OR, and Madison, WI. Founded in 2000, their team of 20 have expertise in pay per click, social media marketing, and search engine optimization. 

Greenbaum Stiers Strategic Marketing Group is a small web design company. The Reynoldsburg, Ohio-based agency was founded in 2017. Their services include web design, digital strategy, video production, graphic design, and more.

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.

Socratik is an SEO agency founded in San Diego in 2018 with fewer than 10 people. They are experts in SEO and PPC solutions for clients ranging from small businesses to large firms in the fields of e-commerce, healthcare, and hospitality.

Rocket Clicks is a hyper-focused digital marketing agency focused on driving results to their clients via online advertising, organic search, and conversation rate optimization. They have been in business since 2008 and have 40 digital experts working out of their office in Milwaukee. 

Firestorm SEM is an SEO and PPC agency located in Philadelphia. Founded in 2008, Firestorm SEM works with clients across industries, including pharmaceutical, e-commerce, financial, and education. Named a Google All Star by Google, Firestorm SEM and its small team of fewer than 10 employees offers SEO, PPC, digital strategy, branding, and social media

KlientBoost is a digital advertising and PPC management company headquartered in Costa Mesa, Calif. Founded in 2015, the company has a team of 64 people who exclusively provide PPC, CRO, and social media marketing services. Their clients are mid-market businesses, but they work with some small and enterprise businesses. The businesses they serve are mainly in the business services and e-commerce industries. 
 

1o8 is a digital agency founded in Chicago in 2018. The team of 8 focuses on social media, SEO, and digital strategy for their midmarket consumer products clients. 

This Utah-based agency has a marketing team of 50+ that has conducted over 2,500 marketing campaign audits since 2011. Disruptive Advertising specializes in traffic, conversion, and analytics to help its clients outperform their competitors.

Founded in 2016, Chicago-based VisualFizz is a small team of 9. The full-service digital marketing agency helps clients with content marketing, SEO, web design and development, PPC, social media marketing, digital and marketing strategy, and branding.

Avalaunch Media is a Lehi, Utah-based full-service digital marketing agency. Founded in 2012, the company is a mid-sized and growing firm with around 40 employees. They specialize in content marketing, particularly with visual content. Avalaunch Media offers a wide range of services, including SEO, web design, and PPC. Most of Avalaunch Media's clients are large firms.

Slam Media Lab is a small Walnut Creek, California-based SEO services firm. Their services include search engine optimization, content marketing, and web design.

Noah Kain Consulting is a SEO company. The Baltimore, Maryland-based agency was established in 2021. The small team focuses on search engine optimization and digital strategy.

Cincy SEO is a marketing agency based in Cincinnati, Ohio, and founded in 2015. With no more than 10 professionals, they specialize in SEO solutions for small businesses.

SEO Image is a versatile SEO company based in New York. The agency and its small team of around 10 work with clients who need help with SEO, web design, and online reputation management.

Seota Digital Marketing is a digital agency based in Frisco, Texas with fewer than 10 employees. Founded in 2009, the team currently provides web development, SEO, and e-commerce development functions. 

Founded in 1998, Lightburn is a digital agency based in Milwaukee, Wisc. They offer SEO, web design, UX design, web development, PPC, and graphic design services.

Motoza is a 10-person digital advertising agency founded in 2011. The company is located in Austin, Texas, specializing in PPC, SEO, and content marketing services. They focus on small and mid-sized businesses in various industries.

eMaximize is a digital marketing agency based in Manhattan Beach, Calif. With fewer than 10 employees, the agency has specialized in SEO, social media marketing, branding, and more since 2008. They primarily serve small to mid-sized businesses alike in the hospitality, consumer products, and healthcare fields.

DIGITECH is a web design and internet marketing agency located in Austin, Texas. It was founded in 2011. With fewer than 25 employees, DIGITECH develops engaging websites that speak to consumers and boost sales. DIGITECH provides mobile and app marketing, email marketing, voice and call center services, and UX/UI design for clients in a variety of industries.

Single Grain is a full-service digital marketing agency with close to 30 employees. They are headquartered in Los Angeles and have an office in San Francisco. The agency helps companies grow their business by providing them with SEO, PPC, conversion optimization, and digital strategy services.

Joseph Studios is a digital strategy company that is headquartered in Woodstock, Ga. with a second office in Atlanta. They were founded in 2016 and their team of 5 specializes in affiliate marketing, SEO, and social media marketing. 

Founded in 2008, Eight Oh Two Marketing is headquartered in North Carolina with "in-house" teams all along the East coast. They are highly focused on search marketing strategies for omni-channel ecommerce brands with PPC, SEO, and content marketing services. From years of experience, they understand the importance of brand story, multi-channel attribution, competitive landscape, holistic strategy and much more.