Plum Mark

Plum Mark is agency specialized for organizing and conducting market, public opinion and social research projects (fieldwork management). Plum Mark's team of fieldworkers is one of the best equipped networks in Serbia, trained to meet high quality standards in data collection, specified by international standard ISO 20252 and ICC/ESOMAR code on market and social research. Plum Mark's central office is placed in the city of Niš, Serbia.