Logistics is a very important economic activity because it affects the basic strategic objectives of each company. Today the successful logistics means to achieve a balance between costs and customer satisfaction. The paper reviews the definition of logistics and reverse logistics, and describes the importance of environmental components in each company. The subject of this paper is to analyze the importance of reverse logistics and ecology in logistics. Reverse logistics deal with the management and organization of reverse goods flows and concern for the environment and sustainability in logistics processes are increasingly important. In this paper focus is on the implementation of the practice of reverse logistics and environmental components in companies with a special focus on enterprise Znanje Ltd.