Skip to content
The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryPrivacy & IdentityData Broker

Privacy & Identity

Data Broker

A company that collects and sells or licenses personal data about consumers it has no direct relationship with.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

A data broker is a company that collects personal data about consumers it has no direct relationship with and sells or licenses that data to others. Sources can include public records, purchases and online activity. Data brokers face growing regulation, including registration requirements and deletion rights in several US states.