| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Filtronic Reorganisation Ltd | 01315303 | 29/06/1993 | Dissolved |
| HIGHWAYONE CORPORATION LIMITED | 03180803 | 01/04/1998 | Dissolved |
| Highwayone Group Ltd | 03854831 | 25/02/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AUTONOMY CORPORATION LIMITED | 03175909 | 10/06/1996 | 14/11/2011 | Dissolved |
| Argo Interactive Group Plc | 03244435 | 19/11/1999 | 15/01/2002 | Dissolved |
| BALTIMORE CAPITAL PLC | 02643615 | 30/10/1992 | 30/03/1999 | Dissolved |
| CRANE TELECOMMUNICATIONS GROUP LIMITED | 02493759 | 24/11/1992 | 03/05/2007 | Dissolved |
| Connaught Commercial Services Ltd | 03103596 | 15/03/1996 | 17/12/1997 | Dissolved |
| Connaught Commercial Services Ltd | 03103596 | 15/03/1996 | 17/12/1997 | Dissolved |
| FILEGALE LIMITED | 02804553 | 01/07/1993 | 12/03/1997 | Dissolved |
| FILTRONIC PLC | 02891064 | 02/08/1994 | 17/10/1994 | Gold |
| Global Telesystems (Jersey) Ltd | FC020106 | 10/02/1997 | 10/09/1997 | Dissolved |
| HTEC LIMITED | 01486255 | 19/02/1993 | 22/12/1995 | Silver |
| KOFAX DEVELOPMENT UK HOLDINGS LIMITED | 04405271 | 27/03/2002 | 22/10/2004 | Dissolved |
| NEURODYNAMICS LIMITED | 03266657 | 06/03/1997 | 28/09/2005 | Dissolved |
| NHOLDINGS LIMITED | 03891934 | 08/02/2000 | 12/08/2004 | Dissolved |
| ONNEC GROUP UK LIMITED | 02027207 | 30/07/1991 | 25/11/1993 | One Red Flag |
| ORANGE PARTICIPATIONS UK LIMITED | 03597184 | 02/02/1999 | 24/04/2001 | Gold |
| Telefficiency Ltd | 03163550 | 17/04/1996 | 21/03/2000 | Dissolved |
| Tetrel Ltd | 02059820 | 18/12/1995 | 24/02/1999 | Dissolved |
| The Cable Group Ltd | 02236319 | 25/11/1993 | 10/05/1996 | Dissolved |
| Transmit International Ltd | 02634762 | 07/07/1995 | 17/12/1997 | Dissolved |
| VENTELO EUROPE LIMITED | 03254558 | 08/01/1997 | 17/03/1999 | Dissolved |
| XPEDITE SYSTEMS (UK) LIMITED | 02778084 | 28/01/1993 | 01/03/1999 | Dissolved |