Top 100 SEO Companies in the United States

SmartSites, a SEO agency, is located in Paramus, New Jersey; Chamblee, Georgia; Detroit, Michigan and Raleigh, North Carolina. The midsize team specializes in Search Engine Optimization, Pay Per Click, Advertising, and Social Media Marketing. The firm was established in 2011.

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.

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.

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.

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. 

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.  

Launched in 1996, Intero Digital is a SEO company. The firm offers Search Engine Optimization, Pay Per Click, Digital Strategy, Social Media Marketing, and more and has a midsize team.

Outerbox is a custom web design firm located in Akron, Ohio and serves clients nationwide. OuterBox was established in 2004 and has since grown to a team of 48 that provides SEO, web design, and e-commerce development services to companies of various sizes and industries.

 

SEO Brand, a SEO agency, is located in Boca Raton, Florida; Hollywood, Florida; Philadelphia, Pennsylvania and New York, New York. The midsize team provides Search Engine Optimization, Pay Per Click, and Web Development. The firm was founded in 2004.

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.

Digital Authority is a digital marketing agency. Established in 2016, the company is headquartered in Chicago, Illinois. Their services include SEO, PPC, Web Design, and Digital Marketing.

Big Leap is a digital marketing agency in Lehi, Utah. With over 13 years in the industry, Big Leap helps companies sustainably grow in organic reach and lead generation. They specialize in SEO marketing, content marketing, reputation management, social media marketing, conversion rate optimization, and marketing automation to match their clients’ needs. 

Content marketing company Stellar SEO is based in Spring Hill, Tennessee. The agency offers content marketing, digital strategy, pay per click, and search engine optimization and is small.The agency was established in 2012.

SEO agency Marketing Link is headquartered in Tampa, Florida. Launched in 2016, the small team specializes in Search Engine Optimization and Pay Per Click.

SEO services firm Outpace is based in Village, Oklahoma. The small company was established in 2020. Their team focuses on search engine optimization.

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.

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. 

Funnel Boost Media is a marketing and lead generation company based in San Antonio. The company, founded in 2012, has a team of more than ten that provides PPC, SEO, web design, and branding services. Funnel Boost Media serves small and midmarket companies in the legal; medical; supply chain, logistics, & transport; e-commerce, and financial services industries.

Mimvi SEO is a marketing agency headquartered in New York that specializes in SEO, social media marketing and PR. Founded in 2015, the agency is comprised of fewer than 50 employees.

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.

SEO agency 180 Marketing was launched in 2013. Their small team is headquartered in Bend, Oregon. Their services include search engine optimization.

Logic Inbound is a digital marketing company based in Seattle. The company, founded in 2016, has a team of around 15 that provides SEO, PPC, and web design services. Logic Inbound serves enterprise and smaller-sized companies in the medical, business services, and e-commerce industries.

RevenueZen is a marketing firm founded in 2017 in Portland, Ore. with more than 10 employees. They excel at content marketing, marketing strategy, and SEO solutions for small and mid-market agencies in the fields of IT, advertising, and business services.

Sure Oak is a SEO company established in 2017. The agency offers Search Engine Optimization, Pay Per Click, Content Marketing, and Conversion Optimization and has a small team.

NextLeft, founded in 2016, is a digital content marketing and SEO agency. The company’s mission is to rid the world of digital clutter by creating the helpful, relevant content people are searching for online. Headquartered in sunny San Diego, NextLeft's team of 14 full-time SEO & Content Strategists amplify the world’s most loved brands.

Titan Growth is a marketing and advertising firm based in San Diego, Calif. and founded in 2004. Titan Growth's team of about 45 employees primarily offers digital strategy services, although it also offers search engine optimization and pay per click services. 

LawRank is a legal marketing agency based in Los Angeles, with additional offices in San Diego and New York. Founded in 2013, LawRank has four employees. This company offers SEO, PPC, and web design services for lawyers across the US.

In Manhattan Beach, California, Beardog Digital is a small SEO company. They provide search engine optimization, logo, social media marketing, and web design and were launched in 2023.

Comrade Digital Marketing is a Chicago-based full service digital marketing agency with a staff of 20. Since 2008, Comrade Digital Marketing Agency has assisted clients with SEO, web design, and e-commerce development.

Firestarter SEO is a search engine optimization company based in Littleton, Colo. Founded in 2009, Firestarter SEO's small team of fewer than 10 specializes in SEO and PPC. Firestarter SEO primarily works with small businesses.Following the success of Firestarter SEO's SEO campaigns, the window company hired them to implement a PPC strategy.