Business ethics should be a part of a business practice in order to achieve success of the company in whole, and so that the society as a whole does not suffer because of the company's operations. Among the criteria of business success, the importance of concept of corporate social responsibility (CSR) is increasing. CSR concept is a modern practice in the world and successful companies have been implementing this concept for many years. It is also becoming an increasingly well-known and necessary concept in Croatia. Since managers are responsible for carrying out most of the company's decisive functions, they are the main bearers of morality, ethics and social responsibility, as well as those who create the atmosphere in which the rest of human resources breathe and those who determine the direction in which the company goes. This paper is a kind of presentation of the impact of managerial ethics on society as a whole. The essential ethical qualities of managers are discussed, the basic concepts as well as their application in practice are explained, and they are placed in the concept of social responsibility and responsible management in different dimensions. It is the managers who have the greatest impact when it comes to concept of corporate social responsibility (CSR). Managers are the ones who make crucial decisions on which the future of the company and our society depends. Primarily, their familiarity with ethical principles and the possession of ethical qualities is an introduction to positive changes in society as a whole.