| Fam. Nielsen Holding ApS CVR 30806336 | OtherFounder | Since 2007 | — | Active |
| SØGAARD OG NIELSEN INVEST ApS CVR 30242424 | OtherFounder | Since 2007 | — | Active |
| 5E HOLDING A/S CVR 30811070 | BoardBoard of Directors | Since 2007 | — | Active |
| UDVIKLINGSSELSKABET KÆRVEJ 41 ApS CVR 33377045 | ManagementManagement | Since 2010 | — | Active |
| TBT 6 & 7 Erhverv ApS CVR 38173731 | ManagementManagement | Since 2016 | — | Active |
| Klosterbakken 12 ApS CVR 39185598 | ManagementManagement | Since 2020 | — | Active |
| Strandhøjen A/S CVR 39215934 | BoardChairman | Since 2017 | — | Active |
| Cortex Park 12 Erhverv ApS CVR 44518651 | BoardBoard of Directors | Since 2023 | — | Active |
| N-Invest Holding ApS CVR 45934578 | ManagementManagement | Since 2025 | — | Active |
| HEXAGON EJENDOMME A/S CVR 25589335 | BoardBoard of Directors | Since 2013 | — | Active |
| 5E Holding 2 ApS CVR 41017740 | ManagementManagement | Since 2019 | — | Active |
| Cortex Park Parkering og Erhverv ApS CVR 41971444 | ManagementManagement | Since 2020 | — | Active |
| Cortex Park Holding ApS CVR 42853704 | ManagementManagement | Since 2021 | — | Active |
| 5E BYG A/S CVR 30811097 | BoardDeputy Chairman | Since 2026 | — | Active |
| TBT 6 & 7 Boliger ApS CVR 38173782 | OtherUnofficial title | Since 2026 | — | Active |
| Cortex Park B9 ApS CVR 41971533 | ManagementManagement | Since 2020 | — | Active |
