GroundTruth
Advertising ServicesNew York, United States201-500 Employees
GroundTruth is a New York, New York-based advertising services company with 201-500 employees. It operates an advertising platform that uses observed real-world consumer behavior, including location and purchase data, to craft targeted campaigns across screens and drive in-store visits and other measurable business outcomes. The firm measures consumer responses to campaigns—such as store visits or website visits—to quantify the real-world impact of advertising. GroundTruth is part of ZeroToOne.AI and has integrated with ZeroToOne's proprietary Large Behavioral Model to enhance its signal network. Recent activity includes launching a DOOH advertising solution, forming partnerships with Place Exchange and OUTFRONT Media to expand Digital Out-of-Home capabilities, and leadership changes such as the departure of chief marketing officer Rhoten in December 2025.