As part of the European ALMA Regional Center, collaborations with the other European ARC nodes will be developed.

IRAM has also close contacts and collaborations with other groups in the community:

• Observatoire de Bordeaux
• pyGILDAS developments; polarization;
  
• Observatoire de Paris - LERMA
• ALMA software development; ALMA science data model definition;
  
• Observatoire de Paris - LESIA
• absolute flux calibration using small bodies of the solar system (Ganymede, Callisto, Titan);