Ensto is an international family business and a technology company founded by Ensio Miettinen in 1958. The ownership of the company was transferred to the next generation of the Miettinen family, Marjo Miettinen, Anu Miettinen, Taru Miettinen and Timo Miettinen, in 2001. In April 2018, the majority of the ownership was transferred to the third generation of the family. Ensto's third generation owners are Anna Miettinen, Iida Miettinen, Jenni Raitavuo, Samu Raitavuo, Lari Raitavuo, Emilia Valsta, and Miikka Valsta. Marjo Miettinen and Taru Miettinen continue as owners. Ensto Invest Oy is the owner of Ensto Oy and the Family Office of the Miettinen family.