The report is an outcome of the project "Polish immigrant organizations" founded by the National Science Centre [grant number 2014/14/E/HS6/00731]. The proposed project was aimed at assessing and identifying factors contributing to the current status of Polish immigrant organizations in selected European countries (Germany, France, Great Britain, Ireland, Norway, Sweden, the Netherlands, Italy, Spain). The project envisioned two tracks of research: 1. Diagnostic research designed to assess the status of Polish immigrant organizations in selected European countries. 2. Explanatory research designed to identify factors affecting the status of Polish immigrant organizations in selected European countries