Space Market, Inc. operates an online space-sharing platform in Japan. It provides a marketplace for unused or idle venues available for on-demand rental. The company offers the Spacemarket app, which lets customers search for and reserve rental spaces for uses such as parties, business, hobbies, sports and fitness, Workbox, girls' get-togethers, photography, and telework. Founded in 2014, it is headquartered in Tokyo, Japan.