Yellowhammer is developing the world's first online "Performance Trading Platform" for advertisers who want their online media buying to operate at the intersection of branding and direct response. Its data-driven approach to creative optimization has enabled rapid growth for Yellowhammer in the real-time bidded exchange segment of the online advertising market.

2013 Agency 100 Rank: 1

3-year Growth: 6,740%

Year Founded: 2009

Website: www.yhmg.com

Twitter: @yellowhammermg

Location: New York, NY

Check out the complete Agency 100 list.

Originally published Aug 28, 2013 1:00:33 AM, updated June 28 2019