Nasmedia Co., Ltd. engages in the provision of media planning services including online and mobile, digital broadcasting, and digital out-of-home (OOH) ads. It operates through the Advertising Media Sales Agency and Advertising Agency Business Divisions. The Advertising Media Sales Agency business division consists of the sales of advertising products to domestic and foreign internet media, and other small and medium sized internet media companies. The Advertising Agency business division is composed of the entire advertising process, from strategy and planning to production, operation, and performance measurement. The company was founded on March 13, 2000 and is headquartered in Seoul, South Korea.