| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANDERSEN EV PLC | 13210392 | 11/10/2024 | Amber |
| BROOK END CONSULTING LIMITED | 08032756 | 17/04/2012 | Silver |
| BROOMCO (7232165) LIMITED | 07232165 | 28/05/2010 | Dissolved |
| EFLEET INTEGRATED SERVICE LIMITED | 08182130 | 05/06/2013 | Silver |
| GAUSSION LTD | 13474140 | 26/07/2022 | Bronze |
| NETWORKED ELECTRICITY STORAGE TECHNOLOGY LIMITED | 08311736 | 19/12/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARUP CORPORATE FINANCE LIMITED | 02338083 | 05/06/2007 | 01/01/2012 | Silver |
| ARUP GROUP LIMITED | 01312454 | 01/10/2001 | 31/03/2011 | Silver |
| ARUP LIMITED | 02461313 | 04/02/1999 | 01/05/2010 | Silver |
| BROOMCO (03266900) LIMITED | 03266900 | 07/11/1996 | 23/09/2011 | Dissolved |
| CHARGEMASTER LIMITED | 06720009 | 23/01/2012 | 19/07/2018 | Amber |
| MYENERGI GROUP LTD | 14536848 | 04/10/2023 | 18/10/2023 | Bronze |
| MYENERGI LTD | 10261262 | 25/01/2022 | 05/10/2023 | Bronze |
| OASYS LIMITED | 01454051 | 11/08/2003 | 01/01/2012 | Not Trading |
| OVE ARUP & PARTNERS INTERNATIONAL LIMITED | 00952468 | 01/04/2004 | 01/01/2012 | Silver |
| OVE ARUP & PARTNERS LIMITED | 01312453 | 27/11/1992 | 01/01/2012 | Silver |
| OVE ARUP VENTURES LIMITED | 04212232 | 22/07/2007 | 30/01/2013 | Silver |
| SCOTSTOUN PROPERTY LIMITED | 00894934 | 01/04/1994 | 01/01/2012 | Bronze |
| TEPEO LTD | 11392873 | 27/01/2022 | 20/06/2022 | Amber |