Non-profit organizations come in many shapes and forms, and have- as their purpose to provide non-commercial help in different areas of need and that is why there are many definitions of non-profit organizations. The aim of the article is identification of the determinants and ways of creating branding process by NPOs as well as to examine how the process of branding is perceived by the brand managers of these organizations on the Polish market, using the IDEA concept. As a practical implication, this insight will allow managers of volunteer organizations to have a more clear understanding of their and other organizations’ brand image, and to take a more strategic approach to branding process. The research article was based on literature studies and analysis of reports and authors’ own research.