| GSM INDUSTRI - SERVICE ApS CVR 10358191 | OtherAudit | 1986 – 1988 | — | Dissolved |
| KLIMATEKNIK, GRENÅ ApS CVR 10405785 | OtherAudit | 1986 – 1996 | — | Dissolved |
| BYGGESELSKABET ANKER ApS CVR 10959039 | OtherAudit | 1987 – 2006 | — | Dissolved |
| OTTOS BAGERI. GRENAA. ApS CVR 12787243 | OtherAudit | 2003 – 2003 | — | Dissolved |
| SIMAS - FILTERS A/S CVR 73093317 | BoardBoard of Directors | 2015 – 2025 | — | Active |
| OLC SERVICE AF 1993 A/S CVR 15200995 | OtherAudit | 1991 – 1995 | — | Dissolved |
| MADS STAUNSKJÆR ApS CVR 27696465 | OtherAudit | 2004 – 2011 | — | Active |
| LAXMØLLER DANMARK A/S CVR 16929794 | OtherAudit | 1993 – 1996 | — | Dissolved |
| SKOVPLANTESKOLEN HOLMEGAARD A/S CVR 14220283 | OtherAudit | 1990 – 2011 | — | Active |
| AFVIKLINGSSELSKABET AF 2/9 1996 GRENAA A/S CVR 19826899 | OtherAudit | 1971 – 1988 | — | Dissolved |
| FONDEN BØNNERUP LYSTBÅDEHAVN CVR 21181803 | OtherAudit | 1998 – 2002 | — | Dissolved |
| JOHNSEN EJENDOMSINVEST ApS CVR 16162078 | OtherAudit | 1992 – 2009 | — | Active |
| EJENDOMSANPARTSSELSKABET TOFTEGÅRDEN. EBELTOFT CVR 10211042 | OtherAudit | 1986 – 1994 | — | Dissolved |
| SPECTRONIC DENMARK A/S CVR 13449848 | OtherAudit | 1989 – 1999 | — | Active |
| REVISION ØST I/S CVR 58423416 | OtherStakeholder | 1976 – 2013 | — | Active |
| XYZ 1914 ApS CVR 77608214 | OtherAudit | 1985 – 1990 | — | Dissolved |
| Klougart Invest ApS CVR 78065214 | OtherAudit | 1985 – 1993 | — | Dissolved |
| JT.HOLDING DANMARK A/S CVR 78220015 | OtherAudit | 1985 – 1993 | — | Dissolved |
| LEPE HANDELSANPARTSSELSKAB, GRENAA CVR 89463416 | OtherAudit | 1980 – 1992 | — | Dissolved |
| GSM MASKINFABRIK A/S CVR 19497283 | OtherAudit | 1996 – 2002 | — | Active |
| Fonden Bønnerup Fiskeri- og Lystbådehavn CVR 37052965 | BoardChairman | 2015 – 2019 | — | Active |
