LINGUAPOLIS is a member of the following organisations:
- NUT
- CercleS
- ALTE
- Atlas (the House of Dutch in Antwerp)
- Forum Taalbeleid Hoger Onderwijs (Forum for Language Policy in Higher Education)
- Nederlands-Vlaams Platform Taalbeleid Hoger Onderwijs (Dutch-Flemish Platform for Language Policy in Higher Education)
- Vlaams talenplatform (Flemish Platform for Languages)