| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ATERED LIMITED | 01635911 | 30/11/1991 | Amber |
| Designflight Limited | 02645320 | 12/09/1992 | Dissolved |
| Javstart Ltd | 01648925 | 27/11/1991 | Dissolved |
| Macarthy Hughes Ltd | 01226595 | 30/11/1992 | Dissolved |
| Mhg Ltd | 02235991 | 27/06/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MACARTHY HUGHES INTERNATIONAL LIMITED | 01644334 | 29/10/1991 | 01/11/1995 | Dissolved |
| MACARTHY HUGHES INTERNATIONAL LIMITED | 01644334 | 11/08/1997 | 31/08/2009 | Dissolved |
| STUDIO-G ARCHITECTURE LLP | OC329010 | 01/04/2012 | 01/04/2022 | Silver |