| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bizidirect.Com Ltd | 02905447 | 01/04/2001 | Dissolved |
| Charles Hobson and Grey Limited | 00866578 | 31/08/1991 | Dissolved |
| Direct Response Media Ltd | 01669656 | 19/03/1994 | Dissolved |
| General Arts Ltd | 01666275 | 19/03/1994 | Dissolved |
| Grey Action Ltd | 01785775 | 31/08/1991 | Dissolved |
| Grey Three Ltd | 01588960 | 31/08/1991 | Dissolved |
| Grey Two Ltd | 01906779 | 31/08/1991 | Dissolved |
| H L Y-Grey Direct Ltd | 01180946 | 19/03/1994 | Dissolved |
| Langham Studio Ltd | 00603023 | 21/10/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APCO WORLDWIDE LIMITED | 02516364 | 04/05/1995 | 01/06/1999 | One Red Flag |
| ART COMPANY (CREATIVE SERVICES) LIMITED(THE) | 01931739 | 23/03/1994 | 01/06/1999 | Dissolved |
| BEAUMONT-BENNETT LIMITED | 02186817 | 24/03/1994 | 01/06/1999 | Dissolved |
| CHELSEA MARKET RESEARCH LIMITED | 02139739 | 24/08/1991 | 01/06/1999 | Dissolved |
| CREATIVE STRATEGY LIMITED | 02282899 | 14/02/1991 | 01/06/1999 | Dissolved |
| Captive Uk Ltd. | 03686964 | 24/11/1999 | 16/05/2001 | Dissolved |
| Derinton Ltd | 02369642 | 22/04/1996 | 01/06/1999 | Dissolved |
| Directfare Ltd | 01308571 | 31/08/1991 | 01/06/1999 | Dissolved |
| Eye to Eye.Com Ltd | 02938320 | 22/12/1999 | 31/10/2000 | Dissolved |
| Fiveclouds Business Travel Ltd | 02228816 | 14/03/1994 | 01/06/1999 | Dissolved |
| G2 LONDON LIMITED | 01448846 | 28/08/1991 | 01/06/1999 | Not Trading |
| GCI FINANCIAL (HOLDINGS) LIMITED | 02786810 | 29/09/1998 | 01/06/1999 | Dissolved |
| GCI FINANCIAL GROUP LIMITED | 02507332 | 29/09/1998 | 01/06/1999 | Dissolved |
| GCI GROUP LIMITED | 02434742 | 15/02/1996 | 01/06/1999 | Dissolved |
| GCI LONDON LIMITED | 01269264 | 17/11/1991 | 01/06/1999 | Dissolved |
| GCI UK LIMITED | 02626313 | 05/01/1996 | 01/06/1999 | Dissolved |
| GHG ACCESS LIMITED | 01253995 | 16/08/1993 | 01/06/1999 | Dissolved |
| GREY ADVERTISING LIMITED | 00539916 | 04/10/1992 | 01/06/1999 | Gold |
| GREY COMMUNICATIONS GROUP LIMITED | 01795794 | 14/08/1991 | 01/06/1999 | Gold |
| GREY DIRECT LIMITED | 01908998 | 05/12/1991 | 01/06/1999 | Dissolved |
| GREY ENTERTAINMENT AND MEDIA LIMITED | 02520420 | 14/03/1994 | 01/06/1999 | Dissolved |
| GREY EUROPE LIMITED | 02093893 | 31/08/1991 | 01/06/1999 | Dissolved |
| GREY GB LIMITED | 02475406 | 14/03/1994 | 01/06/1999 | Dissolved |
| GREY GLOBAL GROUP (UK) LIMITED | 03664479 | 18/12/1998 | 01/06/1999 | Silver |
| GREY GROUP SERVICES LIMITED | 01819631 | 31/08/1991 | 01/06/1999 | Dissolved |
| GREY HEALTHCARE LONDON LIMITED | 02058138 | 12/07/1991 | 01/06/1999 | Dissolved |
| GREY LONDON LIMITED | 02499268 | 04/05/1992 | 01/06/1999 | Dissolved |
| GREY MIDLANDS LIMITED | 02499827 | 23/03/1994 | 01/06/1999 | Dissolved |
| GREY NETWORK LIMITED | 02126910 | 28/12/1991 | 01/06/1999 | Dissolved |
| GREY NORTH LIMITED | 01819542 | 11/05/1992 | 01/06/1999 | Dissolved |
| GREY NT LIMITED | 02098789 | 04/10/1991 | 01/06/1999 | Dissolved |
| GREY TECHNOLOGY SERVICES LIMITED | 00856829 | 11/05/1991 | 01/06/1999 | Dissolved |
| GREY WORLDWIDE LIMITED | 00932147 | 02/10/1992 | 01/06/1999 | Dissolved |
| GREYCOM LIMITED | 01864844 | 31/08/1992 | 01/06/1999 | Dissolved |
| Gci Digital Communications Ltd | 02893597 | 07/02/1996 | 01/06/1999 | Dissolved |
| Gci Pr Ltd | 02816724 | 11/05/1993 | 01/06/1999 | Dissolved |
| HILTON ADVERTISING LIMITED | 00756971 | 02/08/1994 | 01/06/1999 | Dissolved |
| M S W Group Ltd | 02839474 | 17/02/1994 | 14/10/1999 | Dissolved |
| MARLIN ESTATES LIMITED | 02161563 | 02/04/1996 | 30/09/1998 | Bronze |
| MODULE COMMUNICATIONS GROUP LIMITED | 02252717 | 17/03/1994 | 01/06/1999 | Dissolved |
| MOONRAID LIMITED | 00702897 | 31/08/1991 | 01/06/1999 | Dissolved |
| Mgarr Ltd | 02499769 | 23/03/1994 | 01/06/1999 | Dissolved |
| Premier Screens (Uk) Ltd | 03659938 | 25/10/1999 | 01/07/2000 | Dissolved |
| REALISIS LIMITED | 04575753 | 19/06/2003 | 30/11/2005 | One Red Flag |
| REALISIS SOLUTIONS LIMITED | 04575620 | 19/06/2003 | 30/11/2005 | Dissolved |
| RWG LIMITED | 00722208 | 25/10/1995 | 01/06/1999 | Dissolved |
| Retail & Media Services Ltd | 01907985 | 31/08/1991 | 01/06/1999 | Dissolved |
| TELEBINGO LIMITED | 02104534 | 31/08/1991 | 01/06/1999 | Dissolved |
| THE BRAND FUTURES CONSULTANCY LIMITED | 02111818 | 04/01/1992 | 01/06/1999 | Dissolved |
| THE INSTITUTE OF PRACTITIONERS IN ADVERTISING (PRE-CHARTER) | 00221167 | 11/07/1992 | 14/04/1994 | Dissolved |
| THE MEDIA BUSINESS LIMITED | 02522081 | 29/07/1991 | 01/06/1999 | Dissolved |
| THE REALISIS GROUP LIMITED | 04507091 | 20/11/2002 | 30/11/2005 | One Red Flag |
| THE WALKER AGENCY LIMITED | 02814178 | 30/04/1993 | 31/12/1993 | Gold |
| THE WISLEY GOLF CLUB PLC | 02169672 | 31/08/1992 | 25/04/1998 | Silver |
| TWW GROUP LIMITED | 02481989 | 15/03/1992 | 01/06/1999 | Amber |
| The Art Co (Network) Ltd | 02522071 | 13/07/1991 | 01/06/1999 | Dissolved |
| Trendfuture Ltd | 02521999 | 21/04/1995 | 01/06/1999 | Dissolved |
| VIDEO ARTS GROUP LIMITED | 03852217 | 03/10/2000 | 31/03/2003 | Not Trading |