| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Invest JC ApS CVR 33035802 | OtherFounder | Since 2010 | — | Active |
| Company | Role | Period | Ownership | Status |
|---|---|---|---|---|
| Klima & Kloak v/ John Christiansen CVR 25334205 | OtherStakeholder | 2014 – 2018 | — | Active |
| J.C. HOLDING AF 28.03.2003 ApS CVR 27079199 | ManagementManagement | 2003 – 2004 | — | Dissolved |
| ØSTKYSTENS ENTREPRISE ApS CVR 27079369 | ManagementManagement | 2003 – 2004 | — | Dissolved |
| JOHN CHRISTIANSEN EJENDOMME ApS CVR 30499255 | OtherFounder | 2007 – 2024 | — | Dissolved |
| SAFE-WALL A/S CVR 30546857 | BoardBoard of Directors | 2007 – 2008 | — | Dissolved |
| VORDINGBORGVEJ 484 A/S CVR 31430607 | OtherFounder | 2008 – 2014 | — | Dissolved |
| Person | Role | Shared companies | Profile |
|---|---|---|---|
| Audit | 2companies | View profile | |
| Chief Executive Officer | 2companies | View profile |