PEER39 | 4,483 followers on LinkedIn. The leading global provider of real-time contextual, suitability, and quality advertising data solutions. For 20 years, Peer39 has equipped programmatic buyers, publishers, and brands with advanced tools that analyze ad placement environments. Peer39 specializes in pre-bid targeting and post-buy analytics, empowering advertisers to make smarter, data-driven decisions across CTV, web, in-app mobile, and online video channels.