ČaSS, s.r.o., was established on the basis of the experience and experience of private company ČaSS, cleaning and mediation services, Ing. Milan SOPKO, Poproč, who has been active in the market for cleaning services since 1991. Besides a number of smaller customers, this private company provided cleaning and disinfection services for the polyclinic parts of the FNsP in Košice. At the time of its inception, 35 employees worked in the company. With a rapidly growing number of customers, the number of workers also increased. Therefore, in 1994, the company ČaSS, spol. Ltd. was established and in 1996, 180 people worked for the company, and their number grew to a an actual 820 employees. The expansion and increase of the number of customers and the increasing quality of services provided by ČaSS, spol. Ltd. also indicate the achieved financial indicators. While in 2004 the company’s turnover reached 99.9 mil. SK, for the year 2005 the amount of 121.5 mil. SK In 2009, the turnover reached more than 9 mil. Eur.