| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Club Athletica (Worcester) Ltd | 02152388 | 08/09/1995 | 01/06/1996 | Dissolved |
| Club Athletica (Worcester) Ltd | 02152388 | 13/11/1995 | 01/06/1996 | Dissolved |
| Club Athletica Ltd | 02834869 | 14/08/1995 | 01/06/1996 | Dissolved |
| Club Athletica Ltd | 02834869 | 19/05/1995 | 01/06/1996 | Dissolved |
| Euroserv Ltd | 01562858 | 12/03/1994 | 01/10/1994 | Dissolved |
| I A L Ltd | 01630799 | 12/03/1994 | 01/09/1994 | Dissolved |
| International Aeradio Consultancy Services Ltd | 00952762 | 12/03/1994 | 01/09/1994 | Dissolved |
| International Aeradio Ltd | 01485659 | 12/03/1994 | 01/09/1994 | Dissolved |
| Michael Willacy Associates Ltd | 03070872 | 29/09/1995 | 30/04/1996 | Dissolved |
| Michael Willacy Associates Ltd | 03070872 | 13/11/1995 | 30/04/1996 | Dissolved |
| SERCO EUROPE LIMITED | 00451392 | 12/03/1994 | 01/09/1994 | Dissolved |
| SERCO INTERNATIONAL LIMITED | 02324094 | 12/03/1994 | 01/09/1994 | Silver |
| SERCO-IAL LIMITED | 00427272 | 12/03/1994 | 01/09/1994 | Silver |
| Serco Aviation Services Ltd | 01538157 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco Development Services Ltd | 00592499 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco Education Ltd | 02109225 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco Inactive 1 Ltd | 02269522 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco Inactive 4 Ltd | 00850447 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco International Fire Training Centre Ltd | 01563367 | 12/03/1994 | 01/09/1994 | Dissolved |
| Serco International Services Ltd | 02568815 | 20/01/1996 | 06/01/1997 | Dissolved |
| Serco Overseas Investments Ltd | 02834864 | 01/10/1994 | 19/12/1996 | Dissolved |
| Serco Overseas Investments Ltd | 02834864 | 19/05/1995 | 19/12/1996 | Dissolved |
| Serco Project Development Ltd | 02834872 | 01/09/1994 | 19/09/1996 | Dissolved |
| Serco Project Development Ltd | 02834872 | 19/05/1995 | 31/03/1996 | Dissolved |
| Serco Rail Services Ltd | 03119213 | 27/10/1995 | 19/09/1996 | Dissolved |
| Serco Rail Services Ltd | 03119213 | 27/10/1995 | 14/10/1997 | Dissolved |
| Serco Resource Management Ltd | 02213159 | 01/11/1991 | 31/03/1993 | Dissolved |
| Wood Green Leisure Ltd | 02659223 | 31/10/1992 | 21/04/1993 | Dissolved |