| Power-Zone&City Fitness I/S CVR 10174023 | OtherStakeholder | 2001 – 2008 | — | Active |
| FitnessX Prismet ApS CVR 37608351 | ManagementManagement | 2017 – 2020 | — | Dissolved |
| Fitness 1 Horsens ApS CVR 39513862 | BoardBoard of Directors | 2018 – 2020 | — | Dissolved |
| FitnessX Hjørring ApS CVR 39513846 | BoardBoard of Directors | 2018 – 2020 | — | Dissolved |
| FitnessX Holstebro ApS CVR 39513870 | BoardBoard of Directors | 2018 – 2020 | — | Dissolved |
| Kaphi Fredericia ApS CVR 40132066 | BoardBoard of Directors | 2019 – 2020 | — | Dissolved |
| FitnessX Randers ApS CVR 40234829 | BoardBoard of Directors | 2019 – 2020 | — | Dissolved |
| FITNESS SOLUTIONS A/S CVR 30606841 | OtherFounder | 2007 – 2020 | — | Dissolved |
| FITNESS ONE A/S CVR 30823540 | BoardChairman | 2007 – 2011 | — | Dissolved |
| FITNESS 1 ApS CVR 32362273 | ManagementManagement | 2017 – 2020 | — | Dissolved |
| Olsi NG ApS CVR 33163975 | OtherFounder | 2010 – 2024 | — | Dissolved |
| Fitness Invest ApS CVR 41231912 | ManagementManagement | 2020 – 2022 | — | Dissolved |
| FHU Selskabet af 31. Marts 2022 ApS CVR 41405341 | ManagementManagement | 2020 – 2022 | — | Dissolved |
| FitnessX Bazar Vest ApS CVR 38946110 | ManagementManagement | 2017 – 2020 | — | Dissolved |
| FitnessX A/S CVR 37360333 | BoardBoard of Directors | 2016 – 2020 | — | Active |
| FitnessX Vest ApS CVR 40131906 | BoardBoard of Directors | 2019 – 2020 | — | Active |
