Nasmedia Co. Ltd

kt nasmedia Co., Ltd. is a digital marketing platform company based in Seoul, South Korea. It provides online and mobile advertising services, including display and search ads, digital broadcasting ads such as IPTV VOD, real-time channels, Addressable TV and pre-roll TV ads, digital out-of-home ads, and global marketing services. Its offerings also include programmatic and data platforms such as adpacker, admixer, the Nasmedia Ad Platform, AD Tech, AD Study, N.DMP, Bid Optimizer, Auto Traffic Curation, and Fraud Detection, along with ad effect research and data-based consulting. The company was formerly known as Nasmedia Co., Ltd. and changed its name to kt nasmedia Co., Ltd. in April 2025; it was founded in 2000.