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Precisely Audiences (formerly Spectrum Reach Data)
New York, NY, United States · Founded 2009
201-500 employees
Sourced & current · updated Jun 1, 2026
GroundTruth is a location-based advertising and analytics platform that uses verified real-world visit data to help brands target consumers based on their physical movements and behaviors. The company operates a self-serve and managed advertising platform enabling geo-contextual targeting, audience segmentation, and offline attribution tied to store visits. GroundTruth serves verticals including retail, restaurant, automotive, and healthcare.
Where they sit
Location-Based Advertising
One of the leading independent location-based advertising platforms in the US, known for its verified visit data and foot traffic attribution capabilities