Trusted measurement that supports a healthy media ecosystem and promotes high quality content

OpenSlate is a global measurement and analytics company focused on creating transparent and healthy media ecosystems that support high quality content. Our technology and independent ratings system provides insight into the nature and quality of content across the world’s largest platforms.

Founded in 2012 by CEO Mike Henry, OpenSlate is the only company that can comprehensively measure brand safety, suitability and context for advertisers, and identify the most effective content for their campaigns. Data science and engineering are at the heart of OpenSlate’s core offerings. Our ratings power billions in advertising spend from more than 800 clients.

OpenSlate’s content ratings are in use across 37 international markets, and we are continuously expanding our global capabilities. OpenSlate is headquartered in New York City with offices in Los Angeles, San Francisco, Chicago, London, and Sydney. 

What We Do

Content Ratings

Why it matters


For social video advertising


That powers our solutions

Our Partners

YouTube Measurement Program

OpenSlate was selected as one of only five partners in the YouTube Measurement Program (YTMP), which ensures that companies using YouTube API Services provide verified measurement data. We also work with select partners to provide an expanded range of solutions to our clients.

Facebook Marketing Partner

OpenSlate has been certified as one of the first Facebook Marketing Partners for Brand Safety and provides advertisers with greater control and confidence through independent, third-party metrics. OpenSlate assesses the Facebook content in which in-stream ads might play, generating actionable scores and ratings.

IAB member

OpenSlate is a proud member of the IAB. The Interactive Advertising Bureau (IAB) empowers the media and marketing industries to thrive in the digital economy. Its membership is comprised of more than 650 leading media and technology companies that are responsible for selling, delivering, and optimizing digital advertising or marketing campaigns.

Want to learn more?