Sotio a.s. is a biotechnology company belonging to the PPF Group owned by Petr Kellner. Since March 2014, the head of the company is Ladislav Bartoníček, the former head of Česká pojišťovna (Czech Insurance Company). The company focuses on research and development of medicines for cancer and autoimmune diseases. Besides European countries, it also operate in the USA, Russia and China. In 2014, the Sotio company opened a laboratory complex in China where it produce drugs for people suffering from oncological diseases. Similar laboratories opened in Prague in 2011 already.
The company became well known for developing drugs for prostate cancer, ovarian cancer and lung cancer.