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Quantcast

Quantcast

San Francisco, California, United States · Founded 2006

501-1000 employees · $64.5M

Sourced & current · updated Aug 31, 20262 of 3 facts verifiedWebsite

Quantcast is an AI-driven audience measurement and real-time advertising platform that helps marketers understand and reach their target audiences across the open web.

Where they sit

Stack tier: Ecosystem Services (A)

AI-Powered PlatformDemand Side Platform (DSP)Data Management PlatformPrivacy-First AdvertisingProgrammatic Platform

Independent AI-driven audience measurement and DSP platform competing with walled gardens and major independent AdTech players on the open web

Competitors

Key people

Pre-call brief from ATDb — sourced from the live database, current as of Aug 31, 2026. Not a static screenshot.