| TELECOM ERHVERV A/S CVR 10027306 | BoardBoard of Directors | 1997 – 1999 | — | Dissolved |
| SYNIVERSE TECHNOLOGIES ApS CVR 10352282 | BoardBoard of Directors | 1998 – 2003 | — | Dissolved |
| ADMINISTRATIONSANPARTSSELSKABET AF 1. OKTOBER 1993 CVR 10635799 | BoardBoard of Directors | 1987 – 1994 | — | Dissolved |
| DANADATA SOFTWARE A/S CVR 13860289 | BoardBoard of Directors | 1990 – 1994 | — | Dissolved |
| IBM DANMARK ApS CVR 65305216 | ManagementManagement | 1949 – 1993 | — | Active |
| TeleDanica A/S CVR 15107200 | BoardBoard of Directors | 1998 – 2000 | — | Dissolved |
| EMENTOR SOLUTIONS A/S CVR 15150947 | BoardBoard of Directors | 1991 – 1995 | — | Dissolved |
| PC LAN A/S CVR 15529601 | BoardBoard of Directors | 1994 – 1999 | — | Dissolved |
| BILTELEFON-CENTRET A/S CVR 15732989 | BoardBoard of Directors | 1997 – 1998 | — | Dissolved |
| Staten og Kommunernes Indkøbsservice A/S CVR 17472437 | BoardBoard of Directors | 1993 – 2000 | — | Active |
| JV AF 27. JUNI 1997 A/S CVR 17010042 | BoardBoard of Directors | 1993 – 1997 | — | Dissolved |
| AKTIESELSKABET AF 7. DECEMBER 1999 CVR 18013746 | BoardChairman | 1999 – 2000 | — | Dissolved |
| GLOBAL FACTORY SYSTEM A/S CVR 18560909 | BoardBoard of Directors | 1997 – 1999 | — | Dissolved |
| Roesen Business Management V/Max Roesen CVR 25313380 | OtherStakeholder | 2000 – 2004 | — | Active |
| IBM PENSIONSFOND (PENSIONSKASSE) CVR 85752715 | OtherDeputy | 1992 – 1995 | — | Active |
| ANPARTSSELSKABET AF 14. DECEMBER 1993 CVR 49441312 | BoardBoard of Directors | 1974 – 1995 | — | Dissolved |
| TOPNORDIC DANMARK A/S CVR 71130711 | BoardBoard of Directors | 1997 – 1998 | — | Dissolved |
| QUALITY CENTER A/S CVR 75498128 | BoardBoard of Directors | 1993 – 1995 | — | Dissolved |
