The accounting department manages the finances of the institute, under the supervision of the Management Committee of the Institution, the Belgian Science Policy, and the Court of Auditors.
Compared to other Federal Scientific Institutes, a large part of the budget of BIRA-IASB (56%) comes from competitive project funding by external organisations, such as:
- the European Commission
- national research funds (to a lesser extent)
ESA and PRODEX (ESA), with a contribution of more than 50% in external project funding, and the European Copernicus program are major sources of income to the institute.