Gummerus Oy is a Finnish media group that was founded in Jyväskylä in 1872 by Karl Jacob Gummerus. In 1985, it moved its headquarters from Jyväskylä to Helsinki. In 2008, it had an annual turnover of EUR 26,9 million. Wikipedia
Parent organization: Storytel
Founded: 1872, Jyväskylä, Finland
Source: S&P Global Market Intelligence