| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Gibb Partnership Limited | 02354303 | 20/01/1992 | Dissolved |
| Mott Halcrow Gibb Ltd | 02141506 | 20/01/1992 | Dissolved |
| Shiplake Court School Trust Ltd | 00760175 | 10/03/1995 | Dissolved |
| Sir Alexander Gibb & Partners (Scotland) Ltd | SC122595 | 26/01/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASSOCIATION FOR CONSULTANCY AND ENGINEERING | 00132142 | 14/05/1993 | 10/06/1996 | Silver |
| BRITISH EXPERTISE | 00896430 | 06/12/1991 | 02/11/1993 | Amber |
| GIBB HOLDINGS LTD | 02387714 | 20/01/1993 | 10/05/1995 | Dissolved |
| GIBB OVERSEAS LIMITED | 02005717 | 19/09/1994 | 31/12/1995 | Dissolved |
| JACOBSGIBB LTD | 02387707 | 20/01/1993 | 30/06/1996 | Silver |
| SHIPLAKE COURT ENTERPRISES LIMITED | 01276081 | 17/11/1995 | 31/08/2003 | Bronze |
| SHIPLAKE COURT LIMITED | 00612809 | 10/03/1995 | 31/08/2003 | Gold |
| Sir Alexander Gibb & Partners Ltd | 02025661 | 26/10/1993 | 31/12/1995 | Dissolved |
| WESTMINSTER AND EARLEY SERVICES LIMITED | 00500510 | 26/10/1993 | 31/12/1995 | Dissolved |