iEES Paris is financed by its supervisory authorities and by obtaining funds from calls for projects. It establishes short and medium term partnerships with public authorities, private companies and non-governmental organizations. The annual budget of iEES Paris is around € 2.5 million. It is made up of € 600,000 in endowments paid by its supervisory bodies (Sorbonne University, University Paris Est Créteil, University of Paris, CNRS, IRD, INRAE), and € 1.9 million obtained by its staff through calls for projects (agencies national and international funding such as ANR, communities, companies, etc.).