Top 40 SEO Consultants SEO Companies in the United States

WebFX is a performance-focused digital marketing agency with services designed to increase qualified leads, phone calls, and transactions for clients. Founded in 1996 and headquartered in Harrisburg, Penn., they have over 250 digital marketing, design, and development experts who serve customers through SEO, PPC, web design, and more. They also have partnerships with Google, Facebook, Bing, Salesforce, and more.

Rankings.io is a legal SEO company located in O'Fallon, Ill. It was founded in 2013 and now has a team of nearly 20 that exclusively provides SEO services to clients. 

Ignite Visibility is one of the highest awarded digital marketing agency in the industry, specializing in digital marketing strategy, SEO, paid media, social media, email marketing, analytics, Amazon, and CRO. Ignite Visibility has used the same strategies they use for clients to become a four-time Inc. 5000 company (2017, 2018, 2019 and 2020). Ignite Visibility is led by leading industry expert John Lincoln, has over 110 full-time employees and offers a proprietary digital marketing forecasting system allowing clients to consistently hit quarterly goals.

Headquartered outside Los Angeles in Culver City, CA, Coalition Technologies specializes in SEO and PPC but also offers web design, e-commerce development, and WordPress development. With additional offices in Austin, TX and Seattle, WA, Coalition Technologies has grown to a team of 100+ since its founding in 2009.

Zupo is an SEO consulting agency based in Anaheim, Calif. This company was founded in 2019 and has three employees. Zupo exclusively specializes in SEO services for small and medium-sized businesses.

A San Francisco, CA-based SEO services company, Victorious has been around since 2012. With a team of 25 employees, they deliver huge returns for their clients. They offer help clients with on-site and local search optimization, link building and content development.  

SmartSites is a full-service digital agency located in Paramus, N.J. Founded in 2011, SmartSites has a team of nearly 100 designers, writers, developers, marketers, and problem solvers who work tirelessly to make websites successful. SmartSites offers its clients creative ways to build, plan, and promote their website. They focus on web design, PPC marketing, and organic SEO.

Formed in 1997, Straight North is a full-service internet marketing company specializing in SEO, PPC, website design and development, email marketing, and graphic design. With 100+ full-time, in-house employees, they help B2B and B2C companies of all sizes generate sales leads and e-commerce revenue in the lucrative but highly competitive online marketing space. They offer a collaborative business style, technical expertise, deep experience in multiple verticals, team-based campaign execution, transparent reporting, and an unwavering focus on maximizing their clients' ROI.

Based in Colorado Springs, CO, Infront Webworks specializes in web design development, and hosting services. Its marketing department provides SEO, marketing, and advertising assistance. A Google Certified Partner, Infront Webworks aims to boost website traffic for small, mid-market, and enterprise businesses.

HigherVisibility is a full-service online marketing agency, assisting clients with paid search campaigns, social media management, and website design. Founded in 2008 in Memphis, Tennessee, the agency focuses on acquisitions and conversions to grow revenue.

SEO Inc. is an internet marketing company based in Carlsbad, CA – right outside San Diego. With over 20 years, of experience, the team of nearly 500 employees specializes in organic SEO for small, mid-market, and enterprise businesses.

Searchbloom provides cutting-edge search engine marketing for businesses around the world. Founded in 2014 and based in Draper, Utah, their team specializes in local, national, and E-commerce SEO & PPC. They support clients by increasing their revenues and have quickly built a reputation for being an authority in SEO. 

CadenceSEO was founded in 2020 and is headquartered in Gilbert, Ariz. They have a team of around 2 employees who focus on market research, digital strategy, and SEO.

Bruce Clay, Inc. is a digital marketing agency headquartered in Simi Valley, CA, with additional offices in Switzerland, India, and Japan. The agency and its 85+ employees have experience with social media marketing, PPC, and SEO.

Founded in 2010, 180Fusion is a Los Angeles, CA-based digital marketing agency that serves small and enterprise businesses, with a particular focus on the hospitality industry. The team of nearly 50 employees is expert in national and local SEO, PPC, video, social media management, and conversion rate optimization.

Pennsylvania-based LSEO is a full-service digital marketing agency, founded in 2014 by internet marketing expert Kristopher Jones. LSEO offers SEO, PPC, and paid social media management. The company’s main focus is SEO, and the team of 30 specializes in onsite optimization, link earning and development, local search, content creation, and mobile optimization.  

Miami-based company On The Map, Inc. offers SEO, social media marketing, direct marketing, and web development to business clients of all sizes. Founded in 2009, On The Map has a team of about 70 employees who are dispersed across five offices in Los Angeles, Raleigh, N.C., Latvia, and Mexico.

Founded in 2005, Vizion Interactive is a digital marketing company with offices in Irving, Texas and Overland Park, Kan. The team of 14 are experts in SEO, PPC, and digital strategy.

PixelCutLabs is an SEO company based in Dallas, Texas, that specializes in SEO on e-commerce stores. The company was founded in 2013, and it consists of fewer than 10 employees.

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.

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.

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. 

Hive Digital is a Benefit Corp located in Holly Sprints, N.C. Founded in 2002, they have been a part of the digital marketing industry for over 18 years. A team of about 21 employees, they help their clients to achieve greater online visibility through consultation, implementation, management, and support services for paid advertising, organic search optimization, website analytics, customer conversion, and social media marketing strategies. They offer SEO, PPC, and digital strategy services.

WebiMax is a digital development, marketing and consulting firm headquartered right outside New York in Camden, NJ. The agency employs over 100 and has four locations in New York, Sydney, London, and New Jersey. WebiMax provides SEO services, web design, paid search, and reputation management services to clients.

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.

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.

97th Floor has 10 years of experience in digital marketing. With offices in Salt Lake City, Utah and Los Angeles, Calif., 97th Floor is a leader in content marketing and digital strategy. Founded in 2015, their 50+ team also specializes in SEO, analytics, social media, design, and web development.

Based in Boston, KoMarketing is a B2B online marketing agency that specializes in social media, SEO, and content marketing. With fewer than 50 employees, KoMarketing works to improve client efficiency and business strategy.

Software company RustyBrick is based in West Nyack, New York. Since 1994, their team of about 20 works with different industries including consumer products, education, and information technology. RustyBrick specializes in web design and development, SEO, and custom software development. 

Founded in 2009, IGW is a visual marketing agency that works with midmarket and enterprise companies with a focus in the IT, advertising, healthcare, and business industries. With two locations – Great Neck, N.Y. and Delray Beach, Fla. – a team of 50 (including a marketing team of former LinkedIn & Facebook employees) leverages the science of visual learning to improve the marketing success of clients across the funnel.  Their specialties include social media marketing, content marketing, SEO, CRO, & visual content production (infographics, explainer videos & interactive content).