| GULDFELDT TØMRER OG MURER A/S CVR 28691904 | BoardBoard of Directors | 2018 – 2020 | — | Dissolved |
| East Metal Holding A/S CVR 38236415 | BoardBoard of Directors | 2019 – 2023 | — | Dissolved |
| AT af 6. juli 2015 A/S CVR 33373198 | ManagementChief Executive Officer | 2013 – 2015 | — | Dissolved |
| IAI HOLDING A/S CVR 27290485 | ManagementChief Executive Officer | 2014 – 2025 | — | Dissolved |
| Guldfeldt A/S CVR 17559737 | BoardBoard of Directors | 2018 – 2022 | — | Active |
| IB ANDRESEN INDUSTRI A/S CVR 35745114 | ManagementChief Executive Officer | 2014 – 2025 | — | Active |
| HANS JØRGENSEN & SØN ENTREPRENØRER A/S CVR 30694244 | BoardBoard of Directors | 2018 – 2022 | — | Active |
| IB ANDRESEN INDUSTRI. VEJLE A/S CVR 87846113 | ManagementChief Executive Officer | 2014 – 2015 | — | Dissolved |
| Guldfeldt Ejendomme ApS CVR 40769803 | BoardBoard of Directors | 2019 – 2022 | — | Active |
| Guldfeldt Holding A/S CVR 11791948 | BoardBoard of Directors | 2018 – 2022 | — | Active |
| Datoselskabet af den 20. august 2024 A/S CVR 21542571 | BoardBoard of Directors | 2019 – 2023 | — | Active |
| IRD Fuel Cells A/S CVR 14689605 | ManagementManagement | 2009 – 2012 | — | Active |