Ampersand
New York, New York, United States · Founded 1999
201-500 employees
Sourced & current · updated Jun 28, 2026Website
Ampersand is a data-driven TV advertising sales and technology company jointly owned by Comcast, Charter, and Cox, enabling advertisers to plan, buy, and measure TV campaigns across cable and streaming at scale.
Where they sit
Stack tier: Infrastructure & Data (B)
Connected TV PlatformVerification & MeasurementProgrammatic Platform
One of the largest addressable and advanced TV advertising platforms in the U.S., uniquely positioned through joint ownership by major cable MSOs with access to tens of millions of household viewership data points.