ISGI is appointed by the International Association of Geomagnetism and Aeronomy (IAGA) which recognised "the unique role of the International Service of Geomagnetic Indices (ISGI) in the derivation, publication, and dissemination of these indices" (IAGA, Resolution No. 9 (1989): Appreciation of ISGI activities).
ISGI is Regular Member of WDS ICSU since September 2011, after beeing regular member of FAGS.
ISGI has an Advisory Board, appointed by the Executive Committee of IAGA :
ISGI scientific activities (including operability of the service towards the community) are based on a research group which members are of various domains of astrophysical and geophysical communities.