| GREY COPENHAGEN A/S CVR 10047994 | BoardChairman | 1993 – 2001 | — | Dissolved |
| MEDIACOM NORDIC A/S CVR 10149509 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| GGG NR. 14 A/S CVR 10198291 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| MNOG A/S CVR 10392217 | BoardChairman | 2003 – 2004 | — | Dissolved |
| 100% FILM A/S CVR 10665671 | BoardChairman | 1987 – 2000 | — | Dissolved |
| m/SIX A/S CVR 10803381 | BoardChairman | 2000 – 2002 | — | Dissolved |
| PROMEDIA A/S CVR 10850193 | BoardChairman | 1987 – 2000 | — | Dissolved |
| TASIA ApS CVR 10925177 | BoardChairman | 1987 – 1993 | — | Dissolved |
| GGG NR. 17 A/S CVR 11139531 | BoardChairman | 1987 – 2000 | — | Dissolved |
| CBSE HOLDING A/S CVR 11139582 | BoardBoard of Directors | 1987 – 1996 | — | Dissolved |
| GreyWorks A/S CVR 11139639 | BoardBoard of Directors | 1987 – 2001 | — | Dissolved |
| LOMMER GRUPPEN A/S CVR 11139809 | BoardBoard of Directors | 1987 – 1996 | — | Dissolved |
| R & M REKLAMEBUREAU A/S CVR 11156444 | BoardBoard of Directors | 1987 – 1996 | — | Dissolved |
| GGG NR. 8 A/S CVR 11538045 | BoardBoard of Directors | 1987 – 2002 | — | Dissolved |
| EFFECTOR A/S CVR 26635055 | BoardBoard of Directors | 2017 – 2019 | — | Dissolved |
| GGG NR. 13 A/S CVR 12380143 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| Molecule Holding A/S CVR 15511494 | BoardBoard of Directors | 2002 – 2004 | — | Active |
| G2 NORDIC A/S CVR 12933797 | ManagementManagement | 2003 – 2004 | — | Dissolved |
| AKTIESELSKABET AF 3/5 2001 CVR 13214379 | BoardChairman | 1989 – 1995 | — | Dissolved |
| DREAM COMPANY ApS CVR 13214387 | BoardBoard of Directors | 2001 – 2004 | — | Dissolved |
| OPTION COMMUNICATION A/S CVR 13411700 | BoardBoard of Directors | 1989 – 1994 | — | Dissolved |
| Grey Danmark A/S CVR 25977564 | BoardChairman | 2001 – 2001 | — | Active |
| GGG NR. 12 A/S CVR 13644306 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| HBJ ÅRHUS A/S CVR 13959692 | BoardBoard of Directors | 1990 – 1992 | — | Dissolved |
| GGG NR. 5 A/S CVR 13964092 | BoardBoard of Directors | 1997 – 2002 | — | Dissolved |
| TENFORE R & D ApS CVR 14417273 | BoardBoard of Directors | 1990 – 1995 | — | Dissolved |
| INVESTERINGSSELSKABET AF 1/5 1991 ApS CVR 15085142 | BoardBoard of Directors | 1991 – 1995 | — | Dissolved |
| GGG NR. 18 A/S CVR 17511246 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| GGG NR. 7 A/S CVR 17953095 | BoardBoard of Directors | 2003 – 2004 | — | Dissolved |
| SANCO ApS CVR 18512491 | BoardBoard of Directors | 1985 – 1993 | — | Dissolved |
| WPP COMMERCIAL & PROCUREMENT SERVICES - NORDIC A/S CVR 18877473 | BoardChairman | 2001 – 2001 | — | Dissolved |
| LFC NR. 1 A/S CVR 19303799 | ManagementManagement | 2003 – 2004 | — | Dissolved |
| RESEN HOLM INVEST ApS CVR 19398773 | BoardChairman | 1999 – 2004 | — | Dissolved |
| COX COPENHAGEN A/S CVR 19435083 | BoardBoard of Directors | 2007 – 2013 | — | Dissolved |
| GREY SHARED SERVICES A/S CVR 19801578 | ManagementManagement | 2003 – 2004 | — | Dissolved |
| FUTURE LAB BUSINESS GROUP A/S CVR 20552085 | BoardBoard of Directors | 2001 – 2004 | — | Dissolved |
| EK10 ApS CVR 20704446 | BoardBoard of Directors | 2005 – 2009 | — | Dissolved |
| KAJ HANSENS FOND CVR 21369411 | BoardDeputy Chairman | 2014 – 2021 | — | Active |
| UNCLE A/S CVR 21121878 | BoardBoard of Directors | 2003 – 2003 | — | Dissolved |
| Rebilac A/S CVR 21262102 | BoardBoard of Directors | 2003 – 2003 | — | Dissolved |
| GREY WORLDWIDE ADVERTISING NORDIC A/S CVR 23120119 | BoardChairman | 2003 – 2004 | — | Dissolved |
| FUTURE LAB BUSINESS CONSULTING A/S CVR 24210235 | BoardBoard of Directors | 1999 – 2004 | — | Dissolved |
| NORDIC HEALTH CARE COMMUNICATION A/S CVR 24210979 | BoardChairman | 2008 – 2013 | — | Dissolved |
| GREY WORLDWIDE NORDIC A/S CVR 24256685 | BoardBoard of Directors | 1981 – 2004 | — | Dissolved |
| GREY NORDIC ApS CVR 24257959 | BoardBoard of Directors | 1984 – 2004 | — | Dissolved |
| ZORNIG ApS CVR 25786289 | BoardChairman | 2006 – 2013 | — | Dissolved |
| Selskabet af juni 2000 ApS CVR 25858492 | BoardBoard of Directors | 2006 – 2008 | — | Dissolved |
| PMS A/S CVR 27053912 | BoardChairman | 1970 – 1995 | — | Dissolved |
| DEAL DONE ApS CVR 27905927 | OtherFounder | 2004 – 2014 | — | Dissolved |
| THE WHYIZ GROUP ApS CVR 27970974 | BoardBoard of Directors | 2004 – 2006 | — | Dissolved |
| HG ApS CVR 27973787 | OtherFounder | 2004 – 2018 | — | Dissolved |
| Selskabet af maj 1995 ApS CVR 21689076 | BoardBoard of Directors | 2006 – 2008 | — | Dissolved |
| Kylsch Aps CVR 29621322 | BoardChairman | 2013 – 2014 | — | Dissolved |
| ROBERT/BOISEN & LIKEMINDED A/S CVR 12065884 | BoardBoard of Directors | 1988 – 2004 | — | Active |
| NEWSCAB A/S CVR 26865506 | BoardBoard of Directors | 2004 – 2007 | — | Active |
| BRANDHOUSE A/S CVR 11513581 | BoardChairman | 1987 – 1998 | — | Active |
| GORM Agency A/S CVR 33367430 | BoardBoard of Directors | 2010 – 2012 | — | Dissolved |
| INV.SELSKABET AF 12. JULI 1971 A/S CVR 33816014 | BoardBoard of Directors | 2004 – 2005 | — | Dissolved |
| EFFECTOR NORDIC A/S CVR 30575040 | OtherFounder | 2007 – 2025 | — | Dissolved |
| MEDIA KØBENHAVN A/S CVR 35230548 | BoardBoard of Directors | 2013 – 2014 | — | Dissolved |
| PAYDAY A/S CVR 87644014 | BoardBoard of Directors | 1978 – 1995 | — | Active |
| MEDIAPLAN ApS CVR 51147154 | BoardBoard of Directors | 1980 – 1988 | — | Dissolved |
| MEC DENMARK HOLDING A/S CVR 66852210 | BoardBoard of Directors | 1981 – 1989 | — | Dissolved |
| TÆNKETANKEN ApS CVR 70970716 | BoardBoard of Directors | 1983 – 1995 | — | Dissolved |
| ÅFFA A/S CVR 74544711 | BoardBoard of Directors | 2001 – 2001 | — | Dissolved |
| MCDK NR. 1 A/S CVR 77954910 | BoardChairman | 1985 – 2000 | — | Dissolved |
| GGG NR. 4 A/S CVR 82049916 | BoardChairman | 2001 – 2002 | — | Dissolved |
| ApS SPKR NR 294 CVR 87320316 | BoardBoard of Directors | 1979 – 1990 | — | Dissolved |
| GREY GLOBAL GROUP DENMARK A/S CVR 87895114 | BoardBoard of Directors | 2001 – 2004 | — | Dissolved |
| HANS GUNDESEN ApS CVR 89600316 | ManagementManagement | 1980 – 1988 | — | Dissolved |
| MEDIACENTRALEN ApS CVR 89877318 | BoardBoard of Directors | 1982 – 1988 | — | Dissolved |
| AFW Invest ApS CVR 31190126 | BoardBoard of Directors | 2009 – 2010 | — | Active |
| dao Distribution Øst A/S CVR 54069510 | BoardBoard of Directors | 1920 – 1989 | — | Dissolved |
| EssenceMediacom Denmark A/S CVR 78422017 | BoardChairman | 1993 – 2004 | — | Dissolved |
