The article presents the results of survey research assessing the importance of individual components of relational capital from the point of view of the strategies implemented in enterprises. The relationship between relational capital and logistics processes was also analysed. The analysis of the data was based on the results of surveys from 200 enterprises located in the southern part of Poland. The purpose of the research was to determine the relationship between selected elements of relational capital and the effects of functioning of enterprises in the context of logistics processes. The research conducted and the results obtained allowed to demonstrate that in the studied group of enterprises there were correlations between the approach of enterprises to building relational capital and the results achieved in the context of selected aspects of logistics processes.

Knowledge and its management are the key success factors for enterprises operating on the market today. One of the main features of good management in terms of building unique competitive advantages is the company's ability to learn and transfer knowledge. Nowadays, knowledge is becoming - on a micro scale — a priority production factor and — on a macro scale — a determinant of technical progress. The potential benefits resulting from the implementation of the knowledge management system include: creating new products and brands, building the image, optimizing the use of resources, building effective internal and external relations, creating innovations and conducting research and development works. The aim of the article is to present the results of research conducted on a group of 105 companies in the context of the impact of selected elements of the knowledge management system on: the number of complaints, the number of hazardous events and accidents, work efficiency, the number of customers, the amount of staff turnover, and the number of ideas and improvements.

The basic possibilities of modern enterprises depend on the ability to create, transfer, integrate and use knowledge. It is a key element enabling identification and effective use of accumulated potential. Many elements in the focus of knowledge management is shared with the processes of logistics management. What is more, their goals overlap in many areas. The main goal of logistics management — according to the theories presented in the literature — is to maximize the value provided to customers while minimizing the costs incurred as a result of managing all related activities of the flow of materials and goods from sources of supply to the user of finished products. The aim of the article is to present the results of research conducted on a group of 105 companies in the context of the impact of selected elements of the knowledge management system on the level of complaints in the surveyed companies.