| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Construction Management Co-Partnership Ltd | 02913508 | 28/03/1994 | Dissolved |
| Essex Goodman Design Co. Limited | 02332594 | 04/01/1991 | Dissolved |
| Five Ways Birmingham Ltd | 00087328 | 18/09/1991 | Dissolved |
| NEWATER INVESTMENTS LIMITED | 00678567 | 07/05/1991 | Dissolved |
| SOUTHGATE SPLASH LIMITED | 05998480 | 14/11/2006 | Gold |
| WATERLOO HOUSE (BIRMINGHAM) LIMITED | 00209742 | 09/04/2002 | Bronze |
| WATERLOO HOUSE (BIRMINGHAM) LIMITED | 00209742 | 21/01/1993 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CTOAN LIMITED | 05924269 | 14/09/2006 | 13/08/2010 | Dissolved |
| DARNTON GROUP LIMITED | 06234395 | 03/12/2015 | 04/04/2017 | Gold |
| DARNTONB3 LIMITED | 06617944 | 12/06/2008 | 04/04/2017 | One Red Flag |
| FORMATION 3D LTD | 02514526 | 22/06/1991 | 08/06/2020 | One Red Flag |
| HOME & MAKER LTD | 02890363 | 24/01/1994 | 08/06/2020 | One Red Flag |