| PH-CONSULT ApS CVR 10088291 | BoardBoard of Directors | 2007 – 2007 | — | Dissolved |
| HOFFMANN/KRÜGER - FARUM A/S CVR 14375139 | BoardBoard of Directors | 2004 – 2007 | — | Dissolved |
| AALBORG ENGINEERING A/S CVR 27687962 | ManagementChief Executive Officer | 2015 – 2016 | — | Dissolved |
| AALBORG ENGINEERING HOLDING A/S CVR 27687997 | ManagementChief Executive Officer | 2015 – 2016 | — | Dissolved |
| VEOLIA VAND A/S CVR 29401942 | BoardBoard of Directors | 2011 – 2011 | — | Dissolved |
| DAN SMEDIEN A/S CVR 15513691 | BoardChairman | 2025 – 2025 | — | Dissolved |
| FERSKVANDSCENTRET SELVEJENDE INSTITUTION CVR 10691133 | BoardBoard of Directors | 2017 – 2018 | — | Active |
| CapHold Guldager ApS CVR 37557676 | BoardBoard of Directors | 2016 – 2024 | — | Active |
| GULDAGER A/S CVR 15683481 | BoardBoard of Directors | 2016 – 2024 | — | Active |
| Watopi Domestic ApS CVR 41319607 | BoardBoard of Directors | 2021 – 2022 | — | Active |
| MT Højgaard Holding A/S CVR 16888419 | BoardBoard of Directors | 2019 – 2021 | — | Active |
| KRÜGER A/S CVR 57446412 | ManagementChief Executive Officer | 2010 – 2015 | — | Active |
| MT Højgaard Danmark A/S CVR 12562233 | BoardBoard of Directors | 2015 – 2021 | — | Active |
| DEN SELVEJENDE INSTITUTION AQUA, SILKEBORG CVR 17125605 | BoardBoard of Directors | 2017 – 2018 | — | Active |
| Grønbech Water Solutions A/S CVR 42524433 | BoardChairman | 2025 – 2025 | — | Dissolved |