| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| EJENDOMSSELSKABET KLINTEHØJ VÆNGE 7 ApS CVR 89431328 | ManagementManagement | Since 2012 | — | Active |
| MICHAEL MADSEN HOLDING ApS CVR 26263999 | ManagementManagement | Since 2001 | — | Active |
| POUL SEJR NIELSEN SERVICE A/S CVR 29690073 | BoardChairman | Since 2022 | — | Active |
| POUL SEJR NIELSEN HOLDING ApS CVR 33948182 | ManagementChief Executive Officer | Since 2011 | — | Active |
| POUL SEJR NIELSEN ENTREPRISE A/S CVR 28518803 | BoardBoard of Directors | Since 2005 | — | Active |
| Poul Sejr Nielsen Tag & Facade ApS CVR 30811186 | BoardChairman | Since 2022 | — | Active |
| POUL SEJR NIELSEN EL A/S CVR 33948476 | BoardChairman | Since 2022 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| I4 CONTEC A/S CVR 13950903 | BoardBoard of Directors | 2008 – 2010 | — | Dissolved |
| MHM v/Michael H. Madsen CVR 26206847 | OtherStakeholder | 2001 – 2002 | — | Active |
| AFVIKLINGSSELSKABET AF APRIL 2005 A/S CVR 26314771 | BoardBoard of Directors | 2001 – 2010 | — | Dissolved |
| I4 DATEC ApS CVR 27057241 | BoardBoard of Directors | 2003 – 2005 | — | Dissolved |
| 09 BYG ApS CVR 28328907 | OtherFounder | 2005 – 2011 | — | Dissolved |
| A&K TEKNIK ApS CVR 31050820 | BoardBoard of Directors | 2009 – 2012 | — | Dissolved |
| 11BYG A/S CVR 31267390 | BoardBoard of Directors | 2008 – 2009 | — | Dissolved |
| Selskabet af 1. februar 2025 ApS CVR 34593337 | ManagementManagement | 2016 – 2022 | — | Active |
| VVS, ERIK NIELSEN ApS CVR 21022705 | ManagementChief Executive Officer | 2024 – 2025 | — | Active |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Chairman | 2companies | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile | |
| Board of Directors | 1company | View profile |