Welcome to Sovereign Ad, Japan division. We offer most of Japan’s OOH, indoor, transit, airports and digital ad spaces. We plan your media buy which includes formats such as billboards, walls, digital, HND, NRT, KIX and other airports, subway lines, the malls and shopping zones, airport limo, express airport train ads, central business district (CBD) such as Tokyo station, Marunouchi, Otemachi and Ginza areas. We are your Japan OOH advertising agency that provides a wide reach of ad space nationwide including LED OOH, in-train LED, airports and more. We mainly specialize in out-of-home advertising but offer other categories