| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COMMODITY FLOW LIMITED | 06785130 | 01/06/2010 | 06/10/2010 | Not Trading |
| ELECTRICITY SETTLEMENTS COMPANY LTD | 08961281 | 11/11/2014 | 11/11/2020 | Bronze |
| LOW CARBON CONTRACTS COMPANY LTD | 08818711 | 11/11/2014 | 11/11/2020 | Amber |
| MARKET OPERATOR SERVICES LIMITED | 09276929 | 01/03/2018 | 01/03/2024 | Silver |
| NEXT GENERATION DATA INFRASTRUCTURE 1 LIMITED | 10139971 | 27/06/2016 | 25/01/2017 | Bronze |
| VANTAGE DATA CENTERS UK LIMITED | 06132144 | 01/11/2008 | 27/06/2016 | Silver |