| Company | Role | Period | Ownership | Status |
|---|
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| NIELSEN & NIELSEN ENTREPRISE ApS CVR 13572232 | ManagementManagement | 1997 – 2000 | — | Dissolved |
| KB Enterprise v/Michael Nielsen CVR 28571100 | OtherStakeholder | 2005 – 2011 | — | Active |
| HG KLOAK- OG ENTREPRENØR ApS CVR 30173112 | OwnerLegal Owner | 2011 – 2019 | — | Dissolved |
| MP & SØNNER ApS CVR 33954352 | ManagementManagement | 2011 – 2013 | — | Dissolved |
| Holtegaarden Holding ApS CVR 37754285 | ManagementChief Executive Officer | 2016 – 2018 | — | Dissolved |
| Holtegaardens Kloak- og Entreprenør ApS CVR 37754420 | ManagementChief Executive Officer | 2016 – 2016 | — | Dissolved |
| Københavns Bolig & Erhvervsentrepriser ApS CVR 42929131 | OtherFounder | 2021 – 2024 | — | Dissolved |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 1company | View profile | |
| Audit | 1company | View profile | |
| Management | 1company | View profile | |
| Audit | 1company | View profile | |
| Management | 1company | View profile |