| Trekroner Byggerådgivning A/S CVR 21534749 | BoardBoard of Directors | 2023 – 2024 | — | Dissolved |
| CWO BRDR. JEPPESEN A/S CVR 11752772 | BoardChairman | 1999 – 2001 | — | Dissolved |
| DANSK ELEKTROLYSE A/S CVR 13630844 | BoardChairman | 2002 – 2003 | — | Dissolved |
| EJENDOMSFÆLLESSKABET DEN JYSKE SPAREKASSE OG K G HANSEN& SØNNERSE CVR 14014772 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| BWT Danmark A/S CVR 76381615 | BoardBoard of Directors | 2001 – 2003 | — | Active |
| HABITAT A/S CVR 18387409 | BoardBoard of Directors | 2000 – 2001 | — | Dissolved |
| WATERTECH A/S CVR 20808934 | ManagementManagement | 2007 – 2008 | — | Dissolved |
| ALECTIA A/S CVR 22278916 | ManagementManagement | 2006 – 2007 | — | Dissolved |
| Jeudan Projekt & Service A/S CVR 20866381 | ManagementChief Executive Officer | 2013 – 2016 | — | Active |
| PALLE SPØER HOLDING A/S CVR 34298718 | BoardBoard of Directors | 1971 – 1989 | — | Dissolved |
| Mit Italienske Slot A/S CVR 40223258 | BoardChairman | 2021 – 2025 | — | Active |
| SIRK v/Peter Spøer CVR 37997838 | OtherStakeholder | 2016 – 2024 | — | Active |
| SIF GRUPPEN A/S CVR 46379918 | BoardChairman | 2017 – 2024 | — | Active |
| JEUDAN A/S CVR 14246045 | ManagementManagement | 2011 – 2015 | — | Active |
| CWO UNIT A/S CVR 70541017 | BoardChairman | 1999 – 2001 | — | Dissolved |
| DB LTD. A/S CVR 87325016 | ManagementChief Executive Officer | 2004 – 2007 | — | Dissolved |
| FLOATING POWER PLANT A/S CVR 28143893 | BoardChairman | 2006 – 2007 | — | Active |
| ELINDCO A/S CVR 86243911 | BoardBoard of Directors | 2009 – 2011 | — | Active |
| Pesitho ApS CVR 39261057 | BoardBoard of Directors | 2021 – 2023 | — | Active |
| DAMPTECH A/S CVR 25487672 | ManagementChief Executive Officer | 2017 – 2020 | — | Active |
