SOU, Inc. engages in the purchase and sale of branded goods, precious metals, and antique items. It operates through the following divisions: Purchasing, Sales, and Application Management. The Purchasing division buys reusable items such as branded products, precious metals, watches, jewels, antiques, and art pieces. The Sales division distributes the purchased products through auctions, exhibitions, retail stores, and electronic commerce sites. The Application Management division operates "miney", an application that reflects the current reference purchase price of products and the transition of the purchase price from the past. The company was founded by Shinsuke Sakimoto on December 28, 2011 and is headquartered in Tokyo, Japan.