| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Charterhouse Leasing Limited | 02470045 | 14/02/1991 | Dissolved |
| Culture Change Ltd | 03770299 | 13/05/1999 | Dissolved |
| Ellips Ltd | 03504854 | 05/02/1998 | Dissolved |
| Heshe Limited | 02283092 | 12/02/1991 | Dissolved |
| KEY COMMUNICATIONS LIMITED | 04433045 | 09/07/2004 | Dissolved |
| Key 3D Ltd | 02336064 | 31/12/1990 | Dissolved |
| Key Communications (Birmingham) Ltd | 02439555 | 03/11/1991 | Dissolved |
| Key Communications (Leeds) Ltd | 02898017 | 14/02/1994 | Dissolved |
| Key Communications (London) Ltd. | 02886638 | 12/01/1994 | Dissolved |
| Key Communications (Thame) Ltd | 02303947 | 15/01/1992 | Dissolved |
| Key Healthcare Ltd | 03442355 | 30/09/1997 | Dissolved |
| Key Worldwide Ltd | 02886630 | 12/01/1994 | Dissolved |
| Oxford Helicopters Limited | 01860539 | 31/12/1991 | Dissolved |
| Select | 03072148 | 23/06/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CITIGATE BROAD STREET UK LIMITED | 02430319 | 14/06/1999 | 31/12/2003 | Dissolved |
| CONNECTOLOGY NETWORK SERVICES LIMITED | 04440998 | 01/06/2004 | 15/10/2008 | Dissolved |
| FISHERBRIDGE LIMITED | 03837987 | 01/08/2003 | 23/04/2018 | Dissolved |
| MONTPELLIER MARKETING COMMUNICATIONS GROUP LTD | 02261299 | 01/01/2004 | 05/09/2008 | Dissolved |
| OPEN SEAS (UK) LIMITED | 02728188 | 02/07/1992 | 01/04/2000 | One Red Flag |
| SMARTS (BIRMINGHAM) LIMITED | 01712157 | 31/12/1990 | 31/12/2003 | Dissolved |
| The Integra Partnership Ltd | 03885407 | 08/03/2000 | 22/03/2000 | Dissolved |