The aim of this thesis is to define problems in the field of real-estate activities related to business ethics, to explore causes of their origin and to search for possible solutions to improve the present condition. We will get acquainted with the conception of business ethics, their history, place of origin, driving motives and we will learn what the most widely used instruments of business ethics are. This work is dedicated especially to those problems of the Czech real-estate market which are related to business ethics and which are the most discussed ones. The possibilities of supervision over using ethic rules in business and possibilities of legal protection represent significant importance. Via research we will point out the experie...