| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DIAMOND BUILD GROUP PLC | 05660708 | 22/05/2015 | Insolvent |
| DIAMOND BUILD PLC | 01340271 | 20/01/2009 | Insolvent |
| DIAMOND FIRE SAFETY LTD | 04209974 | 08/11/2016 | Insolvent |
| DIAMOND LEASING LIMITED | 04209973 | 01/09/2012 | One Red Flag |
| DIAMOND SPECIAL WORKS LIMITED | 04209975 | 05/01/2017 | Dissolved |
| KIMBROOK PROPERTY MANAGEMENT LIMITED | 14305781 | 19/08/2022 | Silver |
| KIND DIAMOND BUILD CONSORTIUM LIMITED | 09700213 | 22/12/2022 | Bronze |
| PROBUILD CONSTRUCTION ASSOCIATES LTD | 15365962 | 21/12/2023 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DIAMOND FACILITIES SUPPORT LIMITED | 07145959 | 06/12/2013 | 29/01/2024 | Bronze |
| JET THROUGH LIMITED | 11149281 | 15/01/2018 | 29/01/2024 | Bronze |
| NATIONWIDE PROPERTY CLEAN LTD | 11151406 | 16/01/2018 | 18/05/2023 | Amber |
| SANCTUARY FIRE & SECURITY LTD | 11156725 | 18/01/2018 | 29/01/2024 | One Red Flag |
| SANCTUARY FIRE LTD | 11149601 | 15/01/2018 | 09/02/2018 | Dissolved |