| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADVANCE NORTHUMBERLAND (COMMERCIAL) LIMITED | 03556450 | 18/04/2023 | Bronze |
| ADVANCE NORTHUMBERLAND (DEVELOPMENTS) LIMITED | 07497567 | 18/04/2023 | Silver |
| ADVANCE NORTHUMBERLAND (HOUSING) LIMITED | 02042296 | 18/04/2023 | Gold |
| ADVANCE NORTHUMBERLAND (PROJECTS) LTD | 07498154 | 18/04/2023 | Bronze |
| ADVANCE NORTHUMBERLAND LIMITED | 11161983 | 18/04/2023 | Bronze |
| CRATHORNE PROPERTIES LIMITED | 04206317 | 26/04/2001 | Bronze |
| HARGREAVES SERVICES WIND FARM (BROKEN CROSS) LIMITED | 08587440 | 01/12/2017 | Dissolved |
| HARGREAVES SERVICES WIND FARM (CHALMERSTON) LIMITED | 08587161 | 01/12/2017 | Dissolved |
| HARGREAVES SERVICES WIND FARM (GLENTAGGART) LIMITED | 08587425 | 01/12/2017 | Dissolved |
| HARGREAVES SERVICES WIND FARM (HOUSE OF WATER) LIMITED | 08587138 | 01/12/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| HARGREAVES LAND LIMITED | 07813088 | 08/10/2018 | 27/04/2023 | Silver |
| HARGREAVES SERVICES (BLINDWELLS) LIMITED | 08587087 | 01/12/2017 | 27/04/2023 | Amber |
| HARGREAVES SERVICES (CASTLEBRIDGE) LIMITED | 08587078 | 01/12/2017 | 27/04/2023 | Dissolved |
| HARGREAVES SERVICES (WESTFIELD) LIMITED | 08587036 | 01/12/2017 | 24/02/2021 | One Red Flag |
| HARGREAVES SERVICES FORESTRY LIMITED | 08587102 | 01/12/2017 | 27/04/2023 | Silver |
| HARGREAVES SERVICES WIND FARM (DAMSIDE) LIMITED | 08587468 | 01/12/2017 | 27/04/2023 | Dissolved |
| OCCW (BROKEN CROSS) LIMITED | 08588368 | 08/10/2018 | 27/04/2023 | Amber |
| OCCW (CHALMERSTON) LIMITED | 08588284 | 08/10/2018 | 27/04/2023 | Amber |
| OCCW (DAMSIDE) LIMITED | 08588508 | 31/10/2020 | 27/04/2023 | Not Trading |
| OCCW (HOUSE OF WATER) LIMITED | 08588387 | 08/10/2018 | 27/04/2023 | Silver |
| OCCW (NETHERTON) LIMITED | 08382379 | 08/10/2018 | 27/04/2023 | One Red Flag |
| ROCPOWER LIMITED | 06447556 | 26/06/2018 | 27/04/2023 | Amber |