comScore

Reston, Virginia, United States · Founded 1999

1001-5000 employees · SCOR

Sourced & current · updated Oct 14, 2026Website

Comscore is an American-based global media measurement and analytics company that provides marketing data and analytics to enterprises, advertising agencies, brand marketers, and publishers.

Where they sit

Stack tier: Core Platforms (S)

Data & AnalyticsMarketing AnalyticsVerification & Measurement

One of the leading cross-platform media measurement companies globally, widely used as a currency for audience measurement by major broadcasters, publishers, and advertisers.