The ICG is a member of the following projects:
- the South East Physics Network (SEPNet)
- the Sloan Digital Sky Survey (SDSS) that maps the distribution of galaxies – currently in the third iteration as SDSS-III
- the UK National Cosmology Supercomputer Consortium (COSMOS)
- the Dark Energy Survey (DES)
- the Low Frequency Array (LOFAR) UK consortium
- Galaxy Zoo
- the Spitzer Extragalactic Representative Volume Survey (SERVS)
- the RESOLVE (REsolved Spectroscopy Of a Local VolumE) Survey
Projects that have now ended:
- the UniMass project
- the European Network for Theoretical Astroparticle Physics (ENTApP) which is one of the Networking Activities of the ILIAS Integrated Infrastructures