comScore

S · Core Platforms

Reston, Virginia, United States · Founded 1999

1001-5000 employees · SCOR

Sourced & current · updated Jul 13, 2026Website

comScore is a global information and analytics company that measures audiences, brands and consumer behavior across media platforms. They provide data and analytics to businesses, media, and advertising agencies.

Where they sit

Stack tier: Core Platforms (S)

Data & AnalyticsMarketing AnalyticsVerification & Measurement

One of the two dominant third-party audience measurement currencies in the U.S., competing primarily with Nielsen across digital, TV, and cross-platform measurement

Ownership

Subsidiaries

Comscore Activation

Comscore Campaign Ratings

Proximic (Comscore)

Competitors

Nielsen Digital

Numerator

Recent moves

• comScore IPOVerified · 2✓Jun 27, 2007

In their space

• Innovid acquires TVSquared for $160M1 sourceMar 1, 2022 · $160M
• Integral Ad Science IPOVerified · 2✓Jun 30, 2021 · $3.6B valuation
• Yahoo acquires Flurry for $200M (est.)Verified · 4✓Aug 25, 2014 · $200M (est.)
• WPP acquires 24/7 Real Media for $649MVerified · 4✓May 17, 2007 · $649M

Key people

S

Stuart Frankel

Managing Director

J

Jon Carpenter

Senior Vice President, Sales

R

Rachel Gantz

General Manager, Proximic by Comscore