Quantcast is an AI-powered advertising company founded in 2006 that operates a Demand Side Platform and audience measurement tools across the open internet. The company's core offering connects marketers with target audiences using machine learning and real-time decisioning at scale, processing billions of decisions every second through its proprietary Audience Graph.
The company operates at significant scale through Quantcast Measure, a free web measurement product used by 100 million web destinations daily, which serves as both a measurement tool and data source. Its advertising platform combines first-party data with advanced machine learning to deliver what the company claims is 100% addressability across customer audiences while employing a privacy-by-design approach that reduces reliance on third-party cookies.
Quantcast's technical foundation spans artificial intelligence, machine learning, audience measurement, and high-throughput data processing. The platform is designed to identify audiences most likely to convert and surface insights for marketing decisions, positioning the technology as accessible to businesses of varying sizes competing in digital advertising.
