| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CEDARR PROPERTIES LIMITED | NI621528 | 01/06/2024 | Bronze |
| CRUMLIN CAPITAL LIMITED | 09441327 | 08/05/2018 | One Red Flag |
| 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 AWS LIMITED | 04836483 | 10/10/2018 | Bronze |
| KELTBRAY BUILDING SERVICES LIMITED | 03292310 | 10/10/2018 | Amber |
| KELTBRAY BUILT ENVIRONMENT LIMITED | 12548732 | 28/10/2020 | One Red Flag |
| KELTBRAY CONSULTING & ENGINEERING LIMITED | 12932398 | 27/10/2020 | Bronze |
| KELTBRAY DEMOLITION LIMITED | 01554321 | 10/10/2018 | Gold |
| KELTBRAY ELECTRIFICATION PLANT LIMITED | 04305072 | 10/10/2018 | Gold |
| KELTBRAY ENVIRONMENTAL LTD | 06564049 | 08/05/2018 | Bronze |
| KELTBRAY ENVIRONMENTAL MATERIALS MANAGEMENT LIMITED | 06872836 | 08/05/2018 | Amber |
| KELTBRAY FLEET LIMITED | 14792460 | 11/04/2023 | Bronze |
| KELTBRAY GROUP (HOLDINGS) LIMITED | 02810840 | 25/03/2019 | Amber |
| KELTBRAY GROUP LIMITED | 09845675 | 08/05/2018 | Bronze |
| KELTBRAY HOLDINGS LIMITED | 12543807 | 28/10/2020 | Bronze |
| KELTBRAY IDEC POWER LIMITED | 07801180 | 02/10/2023 | Dissolved |
| KELTBRAY LIMITED | 01274344 | 08/05/2018 | One Red Flag |
| KELTBRAY MANAGEMENT SERVICES LIMITED | 12932693 | 28/10/2020 | Bronze |
| KELTBRAY NOMINEES LIMITED | 15453497 | 30/01/2024 | Amber |
| KELTBRAY PLANT LIMITED | 01675402 | 08/05/2018 | Silver |
| KELTBRAY PROPERTY AND INVESTMENTS LIMITED | 11517904 | 15/08/2018 | Bronze |
| KELTBRAY STRUCTURES LIMITED | 10325243 | 08/05/2018 | Bronze |
| KERR PROP TWO LIMITED | NI647511 | 25/03/2024 | Bronze |
| KERR PROPERTY HOLDINGS LIMITED | NI644170 | 02/10/2018 | One Red Flag |
| KILLOAN CAPITAL LIMITED | 16023924 | 17/10/2024 | Amber |
| KML OCCUPATIONAL HEALTH LIMITED | 08884968 | 10/10/2018 | Bronze |
| LR KELTBRAY JV (HOLDINGS) LIMITED | 11615237 | 10/10/2018 | Dissolved |
| LR KELTBRAY JV LIMITED | 11617627 | 11/10/2018 | Dissolved |
| QUALIFIED RECRUITMENT LIMITED | 05190574 | 10/10/2018 | Not Trading |
| SATURN LAND LIMITED | 06771858 | 10/10/2018 | Dissolved |
| WENTWORTH HOUSE PARTNERSHIP LIMITED | 03673466 | 27/10/2020 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALLENDER STREET NOMINEES 1 LIMITED | NI643528 | 31/01/2017 | 31/01/2018 | Silver |
| CHICHESTER CAPITAL LIMITED | NI641232 | 04/10/2016 | 01/06/2017 | Dissolved |
| CHICHESTER WEALTH SOLUTIONS LIMITED | NI641233 | 04/10/2016 | 01/06/2017 | Dissolved |
| KELTBRAY ENERGY LIMITED | 12930461 | 28/10/2020 | 15/08/2024 | Silver |
| KELTBRAY HIGHWAYS LIMITED | 12788652 | 07/10/2021 | 15/08/2024 | Amber |
| KELTBRAY IDEC GROUP LIMITED | 11748139 | 26/07/2023 | 15/08/2024 | Dissolved |
| KELTBRAY INFRASTRUCTURE MANAGEMENT SERVICES LIMITED | 15576040 | 19/03/2024 | 15/08/2024 | Amber |
| 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 RAIL LIMITED | 06000882 | 07/05/2018 | 15/08/2024 | One Red Flag |
| 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 | 08/05/2018 | 15/08/2024 | Bronze |