| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| charles nielsen VVS a/s CVR 13746303 | ManagementManagement | Since 1989 | — | Active |
| T.T.N. HOLDING ApS CVR 28117035 | ManagementManagement | Since 2004 | — | Active |
| TTN EJENDOMME ApS CVR 28707584 | ManagementManagement | Since 2005 | — | Active |
| TTN UDLEJNING ApS CVR 32264743 | ManagementManagement | Since 2009 | — | Active |
| KAK VVS Service ApS CVR 43751751 | ManagementManagement | Since 2024 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| VARME OG VAND RØDOVRE ApS CVR 21528447 | ManagementManagement | 2014 – 2018 | — | Dissolved |
| CHARLES NIELSEN HOLDING ApS CVR 25208307 | OtherFounder | 1999 – 2004 | — | Dissolved |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chairman | 2companies | View profile | |
| Management | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Management | 1company | View profile | |
| Management | 1company | View profile |