AppNexus Ranked 56th Fastest Growing Company in North America on Deloitte's 2015 Technology Fast 500™

Press Release

NEW YORK, -- AppNexus, the world's leading independent advertising technology company, today announced that it ranked 56th on Deloitte's Technology Fast 500™, a ranking of the 500 fastest growing technology, media, telecommunications, life sciences and energy tech companies in North America.  AppNexus revenue grew 1,502 percent between 2011 and 2014. The company has over 1,000 employees in 23 offices across the globe and, according to a study by Magna Global and Cowen & Company, is the industry's second-largest digital advertising platform as measured by the amount of spend that it transacts each year.

"AppNexus exists to build a better Internet," said Brian O'Kelley, CEO of AppNexus. "Through leading-edge technology, we're helping to power the advertising that funds great journalism, music, video, games and information.  It's always been our thesis that a free and open Internet requires a strong, independent platform. Today's recognition is a tremendous proof point and a testament to the talent and commitment of the AppNexus team."

Overall, 2015 Technology Fast 500™ companies achieved cumulative revenue growth ranging from 109 percent to 21,984 percent from 2011 to 2014, with an average growth of 850 percent.

In recent months, AppNexus undertook one of the industry's most aggressive inventory quality initiatives; launched the full-stack AppNexus Publisher Suite, the only independent and publisher-aligned alternative to DoubleClick for Publishers by Google; unveiled a new video buying product; and announced a viewable marketplace, a key platform capability that empowers buyers to transact only on viewable impressions via AppNexus Deals. 

In this period, the company also announced a major expansion of its partnership with Microsoft in ten European markets and new engagements with Schibsted Media Group, a leading international online classifieds and media company, and the Local Media Consortium, a publisher group representing 65 local media companies in top markets across the United States and Puerto Rico.

"We're entering 2016 with a tremendous amount of velocity," O'Kelley continued. "We're honored to be included in Deloitte's Fast 500™and excited for what comes next."

About Deloitte's 2015 Technology Fast 500™
Deloitte's Technology Fast 500 provides a ranking of the fastest growing technology, media, telecommunications, life sciences and energy tech companies – both public and private – in North America. Technology Fast 500 award winners are selected based on percentage fiscal year revenue growth from 2011 to 2014.

In order to be eligible for Technology Fast 500 recognition, companies must own proprietary intellectual property or technology that is sold to customers in products that contribute to a majority of the company's operating revenues. Companies must have base-year operating revenues of at least $50,000 USD or CD, and current-year operating revenues of at least $5 million USD or CD. Additionally, companies must be in business for a minimum of four years and be headquartered within North America.


About AppNexus  
AppNexus is a technology company that provides trading solutions and powers marketplaces for Internet advertising. Its open, unified, and powerful programmatic platform empowers customers to more effectively buy and sell media, allowing them to innovate, differentiate, and transform their businesses. As the world's leading independent ad tech company, AppNexus is led by the pioneers of the web's original ad exchanges. Headquartered in New York City with 23 global offices, AppNexus employs more than 1000 of the brightest minds in advertising and technology who believe that advertising powers the Internet. For more information, follow us at @AppNexus or visit us at