Peer39
New York, NY, United States · Founded 2006
51-200 employees · $16.8M
Sourced & current · updated Oct 26, 2026Website
Peer39 is a contextual data platform that helps advertisers target and measure campaigns.
Where they sit
Stack tier: Ecosystem Services (A)
Contextual AdvertisingVerification & MeasurementPrivacy-First AdvertisingVerification Platform
A growing challenger in contextual intelligence and ad verification, competing against established players like DoubleVerify and Integral Ad Science, with expanded capabilities via the Adloox acquisition
Ownership
Parent: O3 Industries
Subsidiaries