| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACROBAT MUSIC GROUP LIMITED | 05858582 | 20/11/2008 | Dissolved |
| ACUITY CAPITAL LLP | OC321625 | 16/08/2006 | Dissolved |
| ACUITY ENVIRONMENTAL VCT 2 PLC | 07049268 | 19/10/2009 | Dissolved |
| ACUITY VCT PLC | 04286368 | 12/09/2001 | Dissolved |
| D J N Engineering Ltd | 03398891 | 19/11/2007 | Dissolved |
| Fm Fabrications Ltd | 04307085 | 19/11/2007 | Dissolved |
| ICL (LP FUNDING) LTD | 09357282 | 16/12/2014 | One Red Flag |
| IONA BIOGAS LTD | 08079080 | 22/05/2012 | Not Trading |
| IONA CAPITAL LTD | 01583260 | 07/03/2000 | Bronze |
| IONA EI (GENERAL PARTNER) 2 LLP | OC402464 | 26/10/2015 | One Red Flag |
| IONA EI (GENERAL PARTNER) 3 LLP | OC418294 | 21/07/2017 | One Red Flag |
| IONA EI (GENERAL PARTNER) LLP | OC392199 | 25/03/2014 | One Red Flag |
| IONA EI (SLP) II GP LLP | SO305510 | 26/10/2015 | Dissolved |
| IONA EI (SLP) III GP LLP | SO306123 | 27/07/2017 | Dissolved |
| IONA ENVIRONMENTAL INFRASTRUCTURE HOLDCO LIMITED | 12449632 | 07/02/2020 | One Red Flag |
| IONA ENVIRONMENTAL INFRASTRUCTURE PARENTCO LIMITED | 12446946 | 06/02/2020 | One Red Flag |
| IONA MANAGEMENT SERVICES LIMITED | 09662571 | 30/06/2015 | Bronze |
| IONA NW (GENERAL PARTNER) LLP | OC403202 | 30/11/2015 | One Red Flag |
| IONA NW (SLP) GP LLP | SO305547 | 30/11/2015 | Dissolved |
| KEITHICK BIOGAS LIMITED | 08810114 | 05/02/2014 | Bronze |
| MOCHDRE BIOMASS LIMITED | 10188675 | 01/07/2016 | Dissolved |
| NORTH WEST BIOMASS LIMITED | 10188625 | 01/07/2016 | Insolvent |
| ST BOSWELLS BIOGAS LIMITED | 09072369 | 05/06/2014 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACUITY VCT 3 PLC | 05544383 | 14/09/2005 | 01/04/2011 | Dissolved |
| BLAZERS FUELS LIMITED | 08594176 | 27/06/2016 | 16/08/2022 | Silver |
| ELECTRA PARTNERS PENSION TRUSTEES LIMITED | 03917998 | 28/02/2006 | 19/03/2014 | Dissolved |
| FIN HOLDINGS LIMITED | 06288635 | 19/11/2007 | 07/04/2011 | Dissolved |
| FORESIGHT 5 VCT PLC | 05210737 | 07/09/2004 | 24/02/2011 | Dissolved |
| FUTURE NOISE MUSIC LIMITED | 06762014 | 01/12/2008 | 01/09/2011 | Gold |
| GRADONE PRODUCTS LIMITED | 08035763 | 22/10/2012 | 02/11/2015 | Dissolved |
| HALLMARQ VETERINARY IMAGING LIMITED | 04061791 | 13/05/2004 | 28/02/2011 | Silver |
| IONA ENVIRONMENTAL VCT PLC | 07049290 | 15/04/2010 | 24/03/2011 | Dissolved |
| KINGSWAY PRIVATE EQUITY SERVICES LIMITED | 04258210 | 10/10/2006 | 06/01/2011 | Dissolved |
| LOSELEY DAIRY ICE CREAM LIMITED | 06712211 | 01/10/2008 | 19/11/2008 | Dissolved |
| LOSELEY DAIRY ICE CREAM LIMITED | 06712211 | 01/10/2008 | 19/11/2008 | Dissolved |
| NEWBRIDGE ENERGY LTD | 08228505 | 02/06/2016 | 16/08/2022 | Bronze |
| Nea Investments Llp | OC328056 | 31/07/2007 | 30/07/2009 | Dissolved |
| ROSEWOOD ENERGY LIMITED | 07914445 | 18/01/2012 | 25/07/2014 | Strike Off |
| TEAN MANAGEMENT SERVICES LTD | 07727963 | 03/08/2011 | 30/03/2017 | Dissolved |
| THE FIN MACHINE COMPANY LIMITED | 02714045 | 19/11/2007 | 01/04/2011 | Dissolved |
| WAVERLEY FARM CONTRACTS LIMITED | SC362745 | 31/07/2015 | 11/09/2024 | Bronze |