| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| QILA BIOGAS LIMITED | 09922318 | 10/12/2016 | Insolvent |
| QILA ENERGY LIMITED | 10923680 | 21/08/2017 | Dissolved |
| RATHERBY CONSULTING LIMITED | 12111275 | 18/07/2019 | Silver |
| WB IQB MEMBER 2 LIMITED | 10103303 | 09/01/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERDEENSHIRE BIOGAS LIMITED | 11368363 | 17/05/2018 | 12/03/2019 | Dissolved |
| ABRONIA ENERGY LIMITED | 10933655 | 25/08/2017 | 15/10/2021 | Not Trading |
| ANDROS ENERGY LIMITED | 10933394 | 25/08/2017 | 15/10/2021 | Not Trading |
| ANGUS BIOGAS LIMITED | 11368259 | 17/05/2018 | 12/03/2019 | Dissolved |
| AZORES ENERGY LIMITED | 10934685 | 29/08/2017 | 15/10/2021 | Not Trading |
| BAWDEN ENERGY LIMITED | 10865366 | 13/07/2017 | 15/10/2021 | Amber |
| BRIDGE LAKE BIOGAS LIMITED | 10667778 | 13/03/2017 | 15/10/2021 | One Red Flag |
| CANTOR ENERGY LIMITED | 10933331 | 25/08/2017 | 15/10/2021 | Not Trading |
| CELESTUS ENERGY LIMITED | 10933549 | 25/08/2017 | 15/10/2021 | Not Trading |
| CHALKDOCK BIOGAS LIMITED | 10103843 | 12/12/2016 | 12/03/2019 | Insolvent |
| CHOPARD ENERGY LIMITED | 10934110 | 25/08/2017 | 15/10/2021 | Not Trading |
| COMORO ENERGY LIMITED | 10933651 | 25/08/2017 | 15/10/2021 | Not Trading |
| EAST HELSCOTT RENEWABLE ENERGY LIMITED | 10103216 | 09/01/2017 | 12/03/2019 | One Red Flag |
| EPIROS ENERGY LIMITED | 10930651 | 24/08/2017 | 15/10/2021 | Not Trading |
| EVERCREECH RENEWABLE ENERGY LIMITED | 10584231 | 19/04/2017 | 28/04/2021 | Bronze |
| FARLEY HILL ENERGY LIMITED | 10686287 | 23/03/2017 | 12/03/2019 | Strike Off |
| FARLINGTON BIOGAS LIMITED | 10667779 | 13/03/2017 | 15/10/2021 | One Red Flag |
| FIFE BIOGAS LIMITED | 11368291 | 17/05/2018 | 12/03/2019 | Dissolved |
| FINFOOT ENERGY LIMITED | 10934350 | 25/08/2017 | 15/10/2021 | Not Trading |
| FLORES ENERGY LIMITED | 10934838 | 29/08/2017 | 15/10/2021 | Not Trading |
| FLORICAN ENERGY LIMITED | 10934172 | 25/08/2017 | 15/10/2021 | Not Trading |
| GILLMAN BIOGAS LIMITED | 10700738 | 31/03/2017 | 15/10/2021 | One Red Flag |
| GIPPS ENERGY LIMITED | 10865379 | 13/07/2017 | 15/10/2021 | Amber |
| GOMERA ENERGY LIMITED | 10930752 | 24/08/2017 | 15/10/2021 | Not Trading |
| HAVANT BIOGAS LIMITED | 11190167 | 06/02/2018 | 15/10/2021 | Amber |
| IEP INFRASTRUCTURE HOLDCO LIMITED | 10788228 | 25/05/2017 | 07/06/2017 | One Red Flag |
| INCHDAIRNIE RENEWABLE ENERGY LIMITED | 10331474 | 09/01/2017 | 12/03/2019 | One Red Flag |
| IQB BOND COMPANY LIMITED | 10790471 | 25/05/2017 | 12/03/2019 | Dissolved |
| IQB CONSTRUCTION LIMITED | 10113163 | 09/01/2017 | 12/03/2019 | One Red Flag |
| IQB CONSTRUCTION MIDCO LIMITED | 10113326 | 09/01/2017 | 12/03/2019 | Dissolved |
| IQB DEBT MIDCO LIMITED | 10449628 | 09/01/2017 | 12/03/2019 | One Red Flag |
| IQB DEVELOPMENT LIMITED | 10113151 | 09/01/2017 | 12/03/2019 | Bronze |
| IQB DEVELOPMENT MIDCO LIMITED | 10113328 | 09/01/2017 | 12/03/2019 | One Red Flag |
| IQB OPERATIONS LIMITED | 10113157 | 09/01/2017 | 12/03/2019 | Dissolved |
| JAGOS ENERGY LIMITED | 10929283 | 23/08/2017 | 15/10/2021 | Not Trading |
| JAVAN ENERGY LIMITED | 10934658 | 29/08/2017 | 15/10/2021 | Not Trading |
| JERDON ENERGY LIMITED | 10934333 | 25/08/2017 | 15/10/2021 | Not Trading |
| JOLO ENERGY LIMITED | 10933640 | 25/08/2017 | 15/10/2021 | Not Trading |
| JUNIN ENERGY LIMITED | 10934598 | 29/08/2017 | 15/10/2021 | Not Trading |
| KAGU ENERGY LIMITED | 10933705 | 25/08/2017 | 15/10/2021 | Not Trading |
| KARPATHOS ENERGY LIMITED | 10930490 | 23/08/2017 | 15/10/2021 | Not Trading |
| LARICIS ENERGY LIMITED | 10933267 | 25/08/2017 | 15/10/2021 | Not Trading |
| LARSEN C ENERGY LIMITED | 10877413 | 21/07/2017 | 15/10/2021 | Amber |
| LOMPOC ENERGY LIMITED | 10930597 | 24/08/2017 | 15/10/2021 | Not Trading |
| LUZON ENERGY LIMITED | 10933849 | 25/08/2017 | 15/10/2021 | Not Trading |
| MALEO ENERGY LIMITED | 10934131 | 25/08/2017 | 15/10/2021 | Not Trading |
| MARHAMCHURCH RENEWABLE ENERGY LIMITED | 11197273 | 09/02/2018 | 12/03/2019 | Strike Off |
| MATUDA ENERGY LIMITED | 10933582 | 25/08/2017 | 15/10/2021 | Not Trading |
| MONA ENERGY LIMITED | 10933487 | 25/08/2017 | 15/10/2021 | Not Trading |
| NAHAN ENERGY LIMITED | 10934239 | 25/08/2017 | 15/10/2021 | Not Trading |
| NELSON BIOGAS LIMITED | 11189721 | 06/02/2018 | 15/10/2021 | Amber |
| PENANS RENEWABLE ENERGY LIMITED | 10222968 | 09/01/2017 | 12/03/2019 | One Red Flag |
| PINDOS ENERGY LIMITED | 10933689 | 25/08/2017 | 15/10/2021 | Not Trading |
| PURBROOK BIOGAS LIMITED | 11190404 | 06/02/2018 | 15/10/2021 | Amber |
| ROSSKEEN RENEWABLE ENERGY LIMITED | 10103381 | 09/01/2017 | 12/03/2019 | Strike Off |
| ROUND ISLAND ENERGY LIMITED | 10933472 | 25/08/2017 | 15/10/2021 | Not Trading |
| SALTAUGH GRANGE RENEWABLE ENERGY LIMITED | 10222907 | 09/01/2017 | 12/03/2019 | One Red Flag |
| SAVOCK RENEWABLE ENERGY LIMITED | 10275005 | 09/01/2017 | 12/03/2019 | One Red Flag |
| SOLENT BIOGAS LIMITED | 10103245 | 12/12/2016 | 12/03/2019 | Insolvent |
| SOUTH DOWNS FARM ENERGY LIMITED | 10103614 | 12/12/2016 | 12/03/2019 | Insolvent |
| STRACATHRO RENEWABLE ENERGY LIMITED | 10103679 | 09/01/2017 | 12/03/2019 | One Red Flag |
| THORNEY BIOGAS LIMITED | 11189795 | 06/02/2018 | 15/10/2021 | Amber |
| WATTLE ENERGY LIMITED | 10933390 | 25/08/2017 | 15/10/2021 | Not Trading |
| WB IQB MEMBER 1 LIMITED | 10222909 | 09/01/2017 | 07/11/2018 | Dissolved |
| ZARCEUS ENERGY LIMITED | 10933414 | 25/08/2017 | 15/10/2021 | Not Trading |