For the Instituto de Técnica Aeroespacial (INTA) we provide technical support in the different activities of the Global Navigation Satellite System (GNSS), in the three Galileo infrastructures in Spain: Competent PRS Authority (CPA), in the management of PRS services at national level; GNSS Service Centre (GSC), in Earth Observation activities on behalf of the Centre for Aerospace Observation Systems (CESAEROB) and in the management of cybersecurity in Galileo System operations in the GSC (European GNSS Service Centre); and to the Galileo Security Monitoring Centre (GSMC) Backup Centre in the development of its operations.

In the field of the Ministry of Transport, Mobility and Urban Agenda, we have supported the National Geographic Institute (IGN) in the management, publication and dissemination of the Geographic Information of the National Plan for Territory Observation in the period 2021-2024. It also provides support in the field of GNSS (Earth Observation) and Remote Sensing.

Isdefe participates in various consortiums within the scope of the activities of the Directorate General for Defence Industry and Space (DEFIS): the one led by Roland Berger, to undertake a contract to publicise the European space sector worldwide (Space Diplomacy) for DEFIS, and the one led by RHEA, to offer consulting services to EUSPA in the various space components;

On the other hand, our collaboration in the operations of the European Satellite Navigation Centre (GSC) for the period 2017-2026, where technical support is provided in the operation of the Galileo European Satellite Navigation System (GSOp), including the Space and Ground Segments. The GSC is the interface with the user communities and supports the Open Service, Commercial Service, Search and Rescue (SAR) and HAS (High Accuracy Service) services of the Galileo Programme, as well as providing engineering services for the preparation of the nominal version of the Centre and future evolutions.