| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| C D TRANSPORT SERVICES LIMITED | 03370162 | 17/08/2018 | Dissolved |
| CYMRIC STEVEDORING LIMITED | 03691846 | 17/08/2018 | Dissolved |
| SIMEC HYDROPOWER ALLT COIRE AN EOIN LTD | SC607849 | 11/09/2018 | Dissolved |
| SIMEC HYDROPOWER ALLT DAIM LTD | SC607866 | 11/09/2018 | Dissolved |
| SIMEC HYDROPOWER ALLT LEACHDACH LTD | SC608066 | 13/09/2018 | Dissolved |
| SIMEC HYDROPOWER ALLT NA LAIRIGIE LTD | SC608059 | 13/09/2018 | Dissolved |
| SIMEC HYDROPOWER INVERLOCHY LTD | SC608123 | 13/09/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARGYLL HYDRO LTD | SC519088 | 16/07/2018 | 21/09/2018 | Bronze |
| BIOGEN ENERGY LTD | 10639470 | 02/06/2017 | 03/03/2023 | Amber |
| CEANNACROC HYDRO LTD | SC489743 | 16/07/2018 | 24/09/2018 | Bronze |
| COULAGS HYDRO LTD | SC489741 | 16/07/2018 | 24/09/2018 | Bronze |
| GHH ACQUISITIONS LTD | 09454130 | 29/03/2018 | 08/07/2019 | Bronze |
| GHH ACQUISITIONS MIDCO LTD | 09454127 | 29/03/2018 | 08/07/2019 | Bronze |
| GHH GROUP HOLDINGS LTD | SC540972 | 16/07/2018 | 24/09/2018 | Bronze |
| GLEANN NAM FIADH HYDRO LTD | SC399455 | 16/07/2018 | 24/09/2018 | Bronze |
| GREEN HIGHLAND RENEWABLES LTD | SC315779 | 29/03/2018 | 21/09/2018 | Silver |
| HYDROPOWER RIVER LEVEN LTD | SC608127 | 13/09/2018 | 12/10/2020 | Amber |
| KELTNEYBURN HYDRO LTD | SC237428 | 16/07/2018 | 24/09/2018 | Silver |
| LOCHABER 2 HYDRO LTD | SC606808 | 24/09/2018 | 24/09/2018 | Dissolved |
| LOCHABER HYDRO LTD | SC510759 | 16/07/2018 | 24/09/2018 | Bronze |
| MULLARDOCH HYDRO LTD | SC493101 | 16/07/2018 | 24/09/2018 | Bronze |
| NATHRACH HYDRO LTD | SC519092 | 16/07/2018 | 24/09/2018 | Bronze |
| ROROYERE HYDRO LTD | SC357527 | 16/07/2018 | 24/09/2018 | Silver |
| SHENVAL HYDRO LTD | SC489744 | 16/07/2018 | 24/09/2018 | Bronze |
| SIMEC (AUSTRALIA) UK LTD | 10933375 | 25/08/2017 | 03/03/2023 | N/A |
| SIMEC FUELS HOLDINGS UK LIMITED | 10060155 | 10/04/2018 | 03/03/2023 | Dissolved |
| SIMEC GHR ACQUISITIONS TOPCO LIMITED | 09454126 | 29/03/2018 | 03/03/2023 | Amber |
| SIMEC HIGHLAND HYDRO RENEWABLES HOLDINGS LTD | 11088965 | 30/11/2017 | 03/03/2023 | One Red Flag |
| SIMEC HOLDINGS (MINING) UK LTD | 10934308 | 25/08/2017 | 03/03/2023 | N/A |
| SIMEC HOLDINGS (PORTS) UK LTD | 10934363 | 25/08/2017 | 03/03/2023 | N/A |
| SIMEC HYDROPOWER HOLDINGS LTD | SC607547 | 07/09/2018 | 03/03/2023 | Dissolved |
| SIMEC LOCHABER GRID COMPANY LTD | SC607760 | 11/09/2018 | 03/03/2023 | Dissolved |
| SIMEC PORTS (UK) LIMITED | 03090130 | 17/08/2018 | 03/03/2023 | One Red Flag |
| SIMEC SHIPPING UK LTD | 10644725 | 28/03/2018 | 03/03/2023 | One Red Flag |
| SIMEC SUBCOAL FUELS LIMITED | 11321067 | 20/04/2018 | 18/05/2018 | Dissolved |
| SIMEC TRANSPORT LIMITED | 00461229 | 17/08/2018 | 03/03/2023 | One Red Flag |
| TIDAL LAGOON PLC | 09359280 | 11/06/2018 | 26/07/2018 | Dissolved |
| WILLIAM SHAPLAND & SONS LTD | 03845062 | 17/08/2018 | 03/03/2023 | One Red Flag |