| JØRGEN PETERSEN & CO. A/S CVR 17226932 | BoardDeputy Chairman | 2008 – 2011 | — | Dissolved |
| BST DANMARK A/S CVR 17718207 | BoardBoard of Directors | 1994 – 1999 | — | Dissolved |
| E.O. JöNSSON HOLDING A/S CVR 24221849 | OtherFounder | 1999 – 2000 | — | Dissolved |
| STEEN JÖNSSON HOLDING ApS CVR 25213513 | ManagementManagement | 2000 – 2003 | — | Active |
| HENNING CARLSEN VVS A/S CVR 25993837 | BoardBoard of Directors | 2012 – 2013 | — | Dissolved |
| FARVESALG ApS CVR 26120470 | BoardChairman | 2014 – 2018 | — | Dissolved |
| ApS AF 19. DECEMBER 2003 CVR 27489583 | OtherFounder | 2003 – 2004 | — | Dissolved |
| EOJ EJENDOMME ApS CVR 27717802 | ManagementManagement | 2004 – 2008 | — | Dissolved |
| FARVESALG ApS CVR 21480401 | BoardBoard of Directors | 2015 – 2018 | — | Active |
| JÖNSSON PARTNERS ApS CVR 30708970 | BoardChairman | 2007 – 2011 | — | Dissolved |
| NOVATAG A/S CVR 33752849 | BoardChairman | 2012 – 2012 | — | Dissolved |
| CURA VVS A/S CVR 35521747 | BoardBoard of Directors | 2013 – 2017 | — | Dissolved |
| Jonsson Consult ApS CVR 38271164 | ManagementManagement | 2016 – 2023 | — | Active |
| CURACON A/S CVR 31366550 | BoardBoard of Directors | 2012 – 2017 | — | Active |
| HOLDING AF 12. FEBRUAR 2009 ApS CVR 32098983 | BoardChairman | 2017 – 2018 | — | Active |
| NIELSEN & KROMANN A/S CVR 32060536 | BoardBoard of Directors | 2011 – 2018 | — | Active |
| C. MØLLMANN & CO. A/S CVR 32060544 | BoardBoard of Directors | 2011 – 2018 | — | Active |
| JÖNSSON A/S CVR 62534117 | BoardDeputy Chairman | 2007 – 2009 | — | Dissolved |
| BALLERUP-HERLEV OMRÅDETS BEDRIFTSUNDHEDSCENTER AF 1980 ApS CVR 66029018 | BoardChairman | 1980 – 1994 | — | Dissolved |
| E.O.J.-HOLDING ApS CVR 73769019 | BoardBoard of Directors | 1983 – 1989 | — | Dissolved |
| H&J VVS A/S CVR 87644219 | BoardBoard of Directors | 2010 – 2013 | — | Dissolved |
| Kontra EL ApS CVR 24210936 | BoardBoard of Directors | 2011 – 2012 | — | Active |
| 2KOMP INDUSTRILAKERING ApS CVR 32060595 | BoardBoard of Directors | 2011 – 2018 | — | Active |
| JS VENTILATION A/S CVR 10129095 | BoardChairman | 2019 – 2023 | — | Active |
| HADSUNDVEJ 15 ApS CVR 32774539 | BoardChairman | 2015 – 2018 | — | Active |
