| POUL ERIK GRØNFELDT A/S CVR 11161197 | BoardBoard of Directors | 1987 – 2005 | — | Dissolved |
| FORENEDE TØMMERHANDLERE A/S CVR 13339902 | OtherFounder | 1989 – 2015 | — | Dissolved |
| TIDAS A/S CVR 17915177 | BoardBoard of Directors | 1994 – 2001 | — | Dissolved |
| BYGGEKRAM A/S CVR 25610342 | BoardBoard of Directors | 2000 – 2001 | — | Dissolved |
| DITAS 2000 A/S CVR 25626257 | BoardBoard of Directors | 2000 – 2002 | — | Dissolved |
| AFVIKLINGSSELSKABET RD AF 29. DECEMBER 2006 A/S CVR 25626451 | BoardBoard of Directors | 2000 – 2001 | — | Dissolved |
| GT DEVELOPMENT ApS CVR 27514111 | BoardBoard of Directors | 2007 – 2012 | — | Dissolved |
| VILLA DESIGN ApS CVR 29444099 | BoardBoard of Directors | 2006 – 2020 | — | Dissolved |
| BYG-E.NET A/S CVR 30614739 | BoardChairman | 2015 – 2018 | — | Dissolved |
| HOLDINGSELSKABET GRØNFELDT II A/S CVR 32060315 | BoardBoard of Directors | 2009 – 2009 | — | Dissolved |
| POUL ERIK GRØNFELDT HOLDING A/S CVR 32159923 | BoardBoard of Directors | 2009 – 2017 | — | Dissolved |
| GRØNVOLD & SCHOU A/S CVR 14974237 | BoardDeputy Chairman | 2005 – 2012 | — | Active |
| TIMCON A/S CVR 36513292 | BoardBoard of Directors | 1930 – 1996 | — | Dissolved |
| OT 2017 A/S CVR 42311618 | BoardBoard of Directors | 2001 – 2016 | — | Dissolved |
| AKTIESELSKABET AF 3. JANUAR 1989 CVR 89933315 | BoardBoard of Directors | 1982 – 1989 | — | Dissolved |
| BYG-E A/S CVR 28715773 | BoardChairman | 2012 – 2018 | — | Active |
| Brancheforeningen Danske Byggecentre CVR 84870714 | BoardBoard of Directors | 2017 – 2018 | — | Active |
| ORGANISATIONEN BYGGEBASEN F.M.B.A. CVR 10050626 | BoardChairman | 2010 – 2018 | — | Active |
