RUMACCC conducts research in collaboration with several institutions in Australia and overseas, and is part of various research networks.
- Institut für Deutsch als Fremdsprache (IDF) (Institute for German as a Foreign Language) at Ludwig-Maximilians-University in Munich
- International Network on Address Research (INAR)
- Interaction and Variation in Pluricentric Languages (IVIP)
- Melbourne Social Equity Institute (MSEI)
- Multilingual Manchester