The ONERA is responsible for the accelerometric instrument and the Scientific Mission Center development and coordinates the scientific exploitation of the mission.
The Observatoire de la Côte d'Azur participates to the preparation of the mission plan and prepares the scientific processings in collaboration with the ONERA.
The European Space Agency supplies the microthruster system.
The DLR supplies the materials for the instrument's proof masses.
The PTB, German metrology laboratory, realise the machining and metrology of the test masses.
ZARM participates to the ground validation of the instrument performances by realizing preliminary tests in its free fall tower.