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Nielsen is a global performance management company that provides a comprehensive understanding of what consumers Watch and Buy. Nielsen’s Watch segment provides media and advertising clients with Total Audience measurement services across all devices where content — video, audio and text — is consumed. The Buy segment offers consumer packaged goods manufacturers and retailers the industry’s only global view of retail performance measurement. By integrating information from its Watch and Buy segments and other data sources, Nielsen provides its clients with both world-class measurement as well as analytics that help improve performance. Nielsen, an S&P 500 company, has operations in over 100 countries that cover more than 90 percent of the world’s population. For more information, visit www.nielsen.com.
ID
Private
$3.5B Revenue
http://www.nielsen.com
708 Employees
DoubleVerify
DoubleVerify is a leading software platform for digital media measurement and analytics. Our mission is to help advertisers succeed. Hundreds of Fortune 500 advertisers employ our unbiased data and analytics to drive campaign quality and effectiveness, and to maximize return on their digital advertising investments – globally. Learn more at www.DoubleVerify.com.
New York, New York, US
Public
$361.9M Revenue
http://www.doubleverify.com
1.4K Employees
DV Ticker
Optimizely
Optimizely is the AI platform for marketing, built for the experience-makers who shape how brands show up in the world. Bringing together content management, content marketing, experimentation, commerce, personalization, and analytics into a single platform, Optimizely gives marketers the freedom to create, customers the experiences they remember, and AI agents the content they come looking for. With Optimizely, you're free to grow. Learn more at optimizely.com.
New York, New York, US
Private
$315.1M Revenue
https://www.optimizely.com
1.7K Employees
G2 Leader Summer 2026 G2 Best Est ROI Mid-Market Summer 2026 G2 Easiest Admin Mid-Market Summer 2026 G2 Most Implementable Summer 2026 G2 Best Results Mid-Market Summer 2026 G2 Lead Capture Mid-Market Summer 2026 Inc Fastest Growing Private Companies 2026 Inc Best Workplace 2026
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