Provides trusted cross-platform audience measurement and analytics that enable media companies, advertisers, and agencies to understand and monetize audiences across all screens and platforms with census-level data combined with panel insights.
Last updated Feb 8, 2026
Established player in cross-platform media measurement competing with Nielsen for market share
comScore is a leading global media measurement and analytics company that provides comprehensive data and insights about audiences, advertising, and consumer behavior across digital, linear TV, over-the-top (OTT), and theatrical viewership. Founded in 1999, the company pioneered digital audience measurement and has evolved into a trusted currency for cross-platform media measurement, serving media companies, advertisers, agencies, and publishers worldwide. comScore's solutions combine proprietary census-level data with panel-based insights to deliver person-level and household-level insights across screens and platforms. The company operates as a critical infrastructure provider in the advertising ecosystem, offering measurement solutions that help clients understand media consumption patterns, plan campaigns, and verify advertising delivery. comScore's products include audience measurement tools, advertising verification services, cross-platform measurement solutions, and advanced analytics platforms. The company has faced financial challenges and underwent restructuring in recent years, including delisting from NASDAQ in 2021, but continues to operate as a significant player in the media measurement space, competing with Nielsen, Adobe Analytics, and other measurement providers.
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