| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CEDARR PROPERTIES LIMITED | NI621528 | 05/03/2019 | Bronze |
| CRUMLIN CAPITAL NO. 2 LIMITED | 12543393 | 09/03/2022 | Dissolved |
| HIPER ENERGY LIMITED | 14314057 | 23/08/2022 | Not Trading |
| HIPER PILE LIMITED | 14314100 | 23/08/2022 | Not Trading |
| KELTBRAY (BE) HOLDINGS LIMITED | 14882549 | 19/05/2023 | Bronze |
| KELTBRAY BUILT ENVIRONMENT LIMITED | 12548732 | 28/10/2020 | One Red Flag |
| KELTBRAY DEVELOPMENTS LIMITED | SC712666 | 20/10/2021 | Bronze |
| KELTBRAY HOLDINGS LIMITED | 12543807 | 28/10/2020 | Bronze |
| KELTBRAY INVESTMENTS LIMITED | 15747849 | 29/05/2024 | Amber |
| KELTBRAY MANAGEMENT SERVICES LIMITED | 12932693 | 28/10/2020 | Bronze |
| KELTBRAY PLANT LIMITED | 01675402 | 28/10/2020 | Silver |
| KERR PROP TWO LIMITED | NI647511 | 25/03/2024 | Bronze |
| KERR PROPERTY HOLDINGS LIMITED | NI644170 | 28/10/2020 | One Red Flag |
| PROJECT OSPREY CAPITAL LIMITED | 15747847 | 29/05/2024 | Amber |
| PROJECT OSPREY HOLDINGS LIMITED | 15747841 | 29/05/2024 | Amber |
| WENTWORTH HOUSE PARTNERSHIP LIMITED | 03673466 | 27/10/2020 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| KELTBRAY ENERGY LIMITED | 12930461 | 28/10/2020 | 15/08/2024 | Silver |
| KELTBRAY ENVIRONMENTAL LTD | 06564049 | 20/03/2023 | 16/10/2024 | Bronze |
| KELTBRAY ENVIRONMENTAL MATERIALS MANAGEMENT LIMITED | 06872836 | 28/10/2020 | 30/06/2021 | Amber |
| KELTBRAY GROUP (HOLDINGS) LIMITED | 02810840 | 04/02/2015 | 30/06/2021 | Amber |
| KELTBRAY IDEC GROUP LIMITED | 11748139 | 26/07/2023 | 15/08/2024 | Dissolved |
| KELTBRAY INFRASTRUCTURE PLANT LIMITED | 14882585 | 19/05/2023 | 15/08/2024 | Bronze |
| KELTBRAY INFRASTRUCTURE SERVICES LIMITED | 14882565 | 19/05/2023 | 15/08/2024 | Bronze |
| KELTBRAY LIMITED | 01274344 | 27/10/2020 | 30/06/2021 | One Red Flag |
| KELTBRAY RAIL LIMITED | 06000882 | 22/06/2018 | 15/08/2024 | One Red Flag |
| KELTBRAY STRUCTURES LIMITED | 10325243 | 28/10/2020 | 30/06/2021 | Bronze |
| KELTBRAY-IDEC LIMITED | 04446810 | 26/07/2023 | 15/08/2024 | One Red Flag |
| LAGAN ENERGY ENGINEERING LIMITED | NI626598 | 27/06/2019 | 30/04/2021 | Bronze |
| WENTWORTH HOUSE RAIL SYSTEMS LIMITED | 06696437 | 28/10/2020 | 15/08/2024 | Bronze |