| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Appointguild Ltd. | 02897137 | 14/02/1994 | Dissolved |
| Appointguild Ltd. | 02897137 | 14/02/1994 | Dissolved |
| Avidleague Ltd. | 02940005 | 28/06/1994 | Dissolved |
| Calvintrust Ltd | 00739411 | 03/09/1991 | Dissolved |
| G A T (Properties) Ltd | 01748398 | 08/11/1991 | Dissolved |
| G A T (Training) Ltd | 00489530 | 31/03/1999 | Dissolved |
| G A T (Training) Ltd | 00489530 | 08/11/1991 | Dissolved |
| Surglad Ltd | 02614629 | 26/10/1995 | Dissolved |
| Tamecell Ltd. | 02897176 | 14/02/1994 | Dissolved |
| Tamecell Ltd. | 02897176 | 14/02/1994 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Chesham Business Development Ltd | 00794115 | 17/12/1993 | 17/09/1994 | Dissolved |
| Chesham Management Training Ltd | 00624342 | 17/12/1993 | 17/09/1994 | Dissolved |
| G.A.T. HOLDINGS LIMITED | 02897136 | 14/02/1994 | 27/02/1996 | Amber |
| Microsave Controls Ltd | 00596842 | 08/11/1991 | 27/02/1996 | Dissolved |
| NATIONAL ENGINEERING SPECIFICATION LIMITED | 01842644 | 08/06/1994 | 26/03/2003 | Dissolved |
| NUAIRE LIMITED | 00877308 | 08/11/1991 | 04/01/1999 | Not Trading |
| NUHOLD LIMITED | 02897144 | 14/02/1994 | 27/02/1996 | Dissolved |
| Nuaire Home Ventilation Ltd | 00887374 | 09/09/1966 | 27/02/1996 | Dissolved |
| P H S Ltd | 00937370 | 08/11/1991 | 26/10/1995 | Dissolved |
| P H S Mat Services Ltd | 00817285 | 18/01/1994 | 26/10/1995 | Dissolved |
| P H S Washroom Services Ltd | 02978178 | 24/03/1995 | 26/10/1995 | Dissolved |
| PERSONNEL HYGIENE SERVICES LIMITED | 00770813 | 08/11/1991 | 26/10/1995 | Silver |
| PHS INVESTMENTS LIMITED | 02897169 | 14/02/1994 | 04/04/1995 | Silver |
| PHS INVESTMENTS LIMITED | 02897169 | 14/02/1994 | 26/10/1995 | Silver |
| PIPER COMMISSIONS LIMITED | 02114405 | 01/08/1991 | 09/05/1997 | Not Trading |
| Phs 280 Ltd | 03065143 | 26/10/1995 | 08/07/1999 | Dissolved |
| Promform Ltd | 00613444 | 08/11/1991 | 27/02/1996 | Dissolved |
| SANTIA HEALTH & SAFETY LTD | 00658860 | 08/11/1991 | 06/11/1992 | Amber |
| South Western Printers Ltd | 00780896 | 08/11/1991 | 01/02/1995 | Dissolved |
| TACK INDUSTRIES LIMITED | 00537755 | 18/01/1994 | 17/09/1994 | Not Trading |
| TACK MANAGEMENT CONSULTANTS LIMITED | 00703686 | 08/11/1991 | 17/09/1994 | Not Trading |
| THE CONSTRUCTION INDUSTRY COUNCIL | 02388396 | 21/09/1993 | 13/06/1995 | Bronze |