EN
The paper aims to present the internal and external determinants of marketing concept implementation into non-governmental organizations in the context of development prospects for NGOs' marketing activities. It provides an insight into both stimulants and destimulants of this process, generating the adaptive changes in the organizations' practice of management. The course of these changes, including the adoption of marketing concept into polish non-gonernmental organizations is expected to be similar to the one observed some time ago in countries of more developed democracy and more stable market economy