| DANCOTECH A/S CVR 15288779 | BoardBoard of Directors | 1991 – 2010 | — | Dissolved |
| COTECH ELECTRONICS A/S AF 1.10.1992 CVR 16174378 | BoardBoard of Directors | 1997 – 1998 | — | Dissolved |
| INVØ I A/S CVR 17790005 | ManagementChief Executive Officer | 1971 – 1992 | — | Dissolved |
| INVØ II A/S CVR 17945394 | BoardBoard of Directors | 1964 – 1990 | — | Dissolved |
| SONIC INNOVATIONS A/S CVR 20894407 | BoardBoard of Directors | 2010 – 2012 | — | Dissolved |
| RHINOMETRICS A/S CVR 21113379 | BoardBoard of Directors | 1998 – 2017 | — | Dissolved |
| DANACOM HØREAPPARATER A/S CVR 25109163 | BoardBoard of Directors | 2000 – 2020 | — | Dissolved |
| WDH NR. 4 A/S CVR 31086078 | ManagementManagement | 2007 – 2018 | — | Dissolved |
| LEHISO A/S CVR 31086167 | ManagementManagement | 2007 – 2019 | — | Dissolved |
| EPOS SALES A/S CVR 42539619 | ManagementManagement | 2008 – 2019 | — | Active |
| INTERACOUSTICS A/S CVR 15015446 | BoardDeputy Chairman | 2009 – 2017 | — | Active |
| WDH NR. 8 A/S CVR 33864965 | ManagementChief Executive Officer | 2011 – 2019 | — | Dissolved |
| Bernafon A/S CVR 33763557 | ManagementChief Executive Officer | 2011 – 2018 | — | Dissolved |
| OTICON MEDICAL A/S CVR 24257584 | BoardBoard of Directors | 2017 – 2019 | — | Active |
| Oticon Denmark A/S CVR 42338028 | BoardBoard of Directors | 1998 – 2017 | — | Active |
| WILLIAM DEMANT INVEST A/S CVR 27761291 | BoardBoard of Directors | 2004 – 2011 | — | Active |
| OTICON A/S CVR 42334219 | ManagementManagement | 1998 – 2019 | — | Active |
