Shinwa Wise Holdings Co.,Ltd., together with its subsidiaries, operates as an auction company in Japan. The company operates an art dealing and gallery management business; sells asset defense diamonds; microfinance; medical and cultural support; and real estate business. It also sells electricity, as well as involved in solar power generation facilities business. The company was formerly known as Shinwa Art Auction Co.,Ltd. and changed its name to Shinwa Wise Holdings Co.,Ltd. in December 2017. Shinwa Wise Holdings Co.,Ltd. was incorporated in 1989 and is based in Chuo, Japan.