Big Happy

Big Happy is a New York-based advertising technology company that unites creative development, media activation, and campaign measurement in one end-to-end platform. The agency specializes in immersive 3D digital out-of-home (DOOH) and mobile advertising, turning everyday screens into engaging brand experiences at scale. Its omnichannel offering connects cinematic 3D DOOH creative with mobile campaigns delivered across premium publishers, helping brands run consistent, measurable campaigns across channels. By pairing in-house creative production with publisher media, Big Happy simplifies the ad process for marketers who want stronger visual impact and clear performance reporting. Brands, media buyers, and agencies seeking dynamic creative optimization, programmatic DOOH, mobile advertising, and full-funnel campaign analytics can use Big Happy to launch high-impact campaigns without managing multiple vendors. The company serves clients from its Manhattan headquarters.