| KONG FREDERIKS-FONDEN TIL MUSIKKENS FREMME I SØNDERJYLLAND CVR 11724582 | BoardBoard of Directors | 2017 – 2018 | — | Active |
| Tønder Kommunes Legatfond II CVR 15255005 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| TØNDER AFFALD A/S CVR 32065783 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| TØNDER DEPONI A/S CVR 32065791 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| TØNDER SPILDEVAND A/S CVR 32065767 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| TØNDER VAND A/S CVR 32065759 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| Landwirtschaftlicher Hauptverein für Nordschleswig's Fond til almennyttige formål CVR 30340337 | BoardBoard of Directors | 2017 – 2022 | — | Active |
| HUSDYRFORMIDLING SYD CVR 39931214 | BoardBoard of Directors | 2005 – 2006 | — | Dissolved |
| TØNDER FORSYNING A/S CVR 32065813 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| SPECHT PETERSENS FAMILIELEGAT CVR 53440819 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| Tønder Kommunes Legatfond I CVR 71635414 | BoardBoard of Directors | 2018 – 2020 | — | Active |
| TØNDER SERVICE A/S CVR 32065805 | BoardBoard of Directors | 2013 – 2018 | — | Active |
| Peter Schmidts Legat for udøvere af Ny Musik i Tønder indenfor jazz, beat og rock CVR 31472547 | BoardBoard of Directors | 2017 – 2018 | — | Active |
| Museum Sønderjylland CVR 30008731 | BoardBoard of Directors | 2017 – 2018 | — | Active |