Big Happy

Big Happy is a New York-based advertising technology company that turns everyday screens into immersive, cinematic brand experiences. Founded in 2019 by adtech and media-buying veterans, it operates an end-to-end platform spanning creative development, media activation and campaign measurement across high-impact mobile formats and 3D digital out-of-home (DOOH). The company works with 300+ brands including Coca-Cola, Verizon, Samsung and the U.S. Army, reaching 7,000+ premium mobile publishers and over one million DOOH screens across North America.