| Grindsted Renseanlæg A/S CVR 38148052 | ManagementChief Executive Officer | 2016 – 2021 | — | Active |
| BILLUND SPILDEVAND A/S CVR 33039867 | ManagementChief Executive Officer | 2011 – 2021 | — | Active |
| Greenrecover IVS CVR 36943874 | OtherFounder | 2015 – 2019 | — | Dissolved |
| BILLUND ENERGI A/S CVR 34731853 | ManagementChief Executive Officer | 2012 – 2021 | — | Dissolved |
| Grønbech Water Solutions A/S CVR 42524433 | ManagementManagement | 2023 – 2025 | — | Dissolved |
| BILLUND DRIKKEVAND A/S CVR 33039824 | ManagementChief Executive Officer | 2011 – 2021 | — | Active |
| BILLUND VAND OG ENERGI A/S CVR 33039735 | ManagementChief Executive Officer | 2011 – 2021 | — | Active |
| GJERNDRUP PLANTAGE ApS CVR 12833016 | BoardChairman | 2017 – 2023 | — | Active |
