Quantcast, founded in 2006 and based in San Francisco, USA, is a digital advertising, analytics, and marketing company that offers Quantcast Choice, a consent management module tailored to publishers. Quantcast's platform helps companies comply with GDPR, ePrivacy, and CCPA, facilitates customization of notices, manages cookie and tracker whitelisting, and is a founding participant in the IAB Transparency and Consent Framework. Its SaaS consent solution is known for rapid and centralized deployment.