| The Participating Teams of 2025 | Update: 05.07.2025 | ||||
| Men (mixed) | Women | ||||
| Ålesund | NO | UWRC Wien (f) | AT | ||
| TJ CZU TRITON | CZ | Amager Uv-Rugby | DK | ||
| Ege Üniversitesi | TR | Ege Üniversitesi | TR | ||
| DUC Krefeld | DE | FS Duisburg | DE | ||
| SDK Malmö Triton | SE | NJ Hammerheads (f) | US | ||
| Paris Titans | FR | Victoria Seadragons | AU | ||
| UWRC Wien (m) | AT | Osos | ES | ||
| NUWR Sea Lions | US | ||||
| Flipper | DK | ||||
| Osos | ES | ||||