EN
Social network analysis (SNA) can be applied both within and between organisations. The paper draws attention to potential application of SNA to research organisations in the public sector. Literature review about the method as well as public sector lets to introduce a SNA framework to measure the effectiveness of public organizations. In the presented theoretical research it is assumed that every organisation is an example of network understood as a communication system determining organizational issues and its effectiveness. The paper suggests that individuals and groups which belong to the public organisation may have an impact on both formal structural variables as well as informal relationships in and between organisations. All these elements determines the effectiveness of a public organisation in undertaking public services.