| SYNIVERSE TECHNOLOGIES ApS CVR 10352282 | BoardBoard of Directors | 1986 – 1999 | — | Dissolved |
| INEOS Energy (Lulita) A/S CVR 67145313 | BoardBoard of Directors | 2002 – 2003 | — | Active |
| TELSOFT ApS CVR 11533299 | BoardBoard of Directors | 1987 – 1989 | — | Dissolved |
| JYDSK TELEFON TELEFONNØGLEN A/S CVR 12070802 | BoardBoard of Directors | 1995 – 1999 | — | Dissolved |
| NEWBRIDGE NETWORKS A/S CVR 12483295 | BoardBoard of Directors | 1988 – 1993 | — | Dissolved |
| TELEFONNØGLEN FOR NÆSTVED OG OMEGN A/S CVR 12492200 | BoardBoard of Directors | 1988 – 1995 | — | Dissolved |
| TDC FINANS A/S CVR 12497032 | BoardChairman | 1996 – 1999 | — | Dissolved |
| TELE DANMARK CONSULT A/S CVR 12616996 | BoardChairman | 2002 – 2003 | — | Dissolved |
| KTAS ERHVERV A/S CVR 12717385 | BoardBoard of Directors | 1988 – 1993 | — | Dissolved |
| TELE DANMARK ERHVERV A/S CVR 13238197 | BoardBoard of Directors | 1989 – 1994 | — | Dissolved |
| SELSKABET DGS AF 2011 A/S CVR 12497040 | BoardDeputy Chairman | 1988 – 1999 | — | Active |
| TELECOM INVEST A/S CVR 14723609 | BoardBoard of Directors | 1990 – 1998 | — | Dissolved |
| TELE DANMARK TMN A/S CVR 16277398 | BoardChairman | 1996 – 1999 | — | Dissolved |
| TELE DANMARK EDB A/S CVR 16279331 | BoardBoard of Directors | 1992 – 1995 | — | Dissolved |
| TDC ADSB INVEST ApS CVR 18983249 | BoardBoard of Directors | 1996 – 1999 | — | Dissolved |
| TELE DANMARK CONNECT 1 A/S CVR 20051639 | BoardBoard of Directors | 2002 – 2003 | — | Dissolved |
| DANISH BALTIC TELECOMMUNICATIONS GROUP I/S CVR 24247341 | BoardBoard of Directors | 1992 – 2003 | — | Active |
| DANISH RUSSIAN TELECOMMUNICATIONS GROUP I/S CVR 24247368 | BoardBoard of Directors | 1992 – 2001 | — | Active |
| AKTIESELSKABET 30. NOVEMBER 2001 CVR 25237625 | BoardChairman | 2002 – 2003 | — | Dissolved |
| TDC SERVICES A/S CVR 25767586 | ManagementChief Executive Officer | 2006 – 2007 | — | Dissolved |
| TDC MOBIL A/S CVR 25837061 | BoardBoard of Directors | 2002 – 2003 | — | Dissolved |
| GASTRANSMISSION.DK A/S CVR 27210368 | BoardDeputy Chairman | 2003 – 2005 | — | Dissolved |
| Finn Schkolnik CVR 33612974 | OtherStakeholder | 2011 – 2014 | — | Active |
| Ejendomsselskabet ATPFA III P/S CVR 30587391 | BoardBoard of Directors | 2007 – 2007 | — | Active |
| Ejendomsselskabet ATPFA II P/S CVR 30587405 | BoardBoard of Directors | 2007 – 2007 | — | Active |
| SKYLINE KOMPLEMENTAR ApS CVR 30738934 | BoardBoard of Directors | 2007 – 2007 | — | Active |
| Den grønne sti CVR 43820540 | OtherUnofficial title | 2023 – 2026 | — | Active |
| TEGLHOLM PARK KOMPLEMENTAR ApS CVR 33254687 | BoardChairman | 2010 – 2011 | — | Active |
| ANPARTSSELSKABET AF 28. AUGUST 2000 CVR 70653516 | BoardBoard of Directors | 2007 – 2008 | — | Dissolved |
| KTAS PENSIONSKASSE CVR 71970612 | BoardChairman | 1998 – 2010 | — | Dissolved |
| FYNS TELEFONS PENSIONSKASSE CVR 72390318 | BoardChairman | 1990 – 2010 | — | Dissolved |
| TDC PENSIONSKASSE CVR 71967611 | BoardChairman | 1996 – 2011 | — | Active |
| TEGLHOLM PARK P/S CVR 16935735 | BoardChairman | 1998 – 2011 | — | Active |
