| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANAEROBIC DIGESTION LIMITED | 06344287 | 15/08/2007 | Not Trading |
| BIOTECH ENERGY SOLUTIONS LTD | 06497929 | 07/10/2011 | Dissolved |
| BIOTECH SERVICES LIMITED | 05711699 | 16/02/2006 | One Red Flag |
| H2 BIOTECH LIMITED | NI613799 | 31/07/2012 | Dissolved |
| SJS RENEWABLES LTD | 08006860 | 26/03/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOTECH ENERGY OPERATIONS LTD | 08515513 | 08/01/2014 | 11/06/2014 | Dissolved |
| BIOTECH INNOVATIONS LTD | 09474399 | 06/03/2015 | 15/03/2017 | Dissolved |
| ECO-SPHERE WORLDWIDE LIMITED | 09193469 | 09/03/2015 | 21/04/2016 | Dissolved |
| GENER8 ECO ENERGY LTD | 09106872 | 05/04/2016 | 01/02/2017 | Dissolved |
| H2 ENERGY BIOTECH LTD | 08526775 | 11/06/2014 | 01/10/2014 | Dissolved |
| H2 ENERGY GROUP LTD | 08584587 | 11/06/2014 | 01/10/2014 | Insolvent |
| H2 ENERGY LIMITED | NI612463 | 12/09/2012 | 01/10/2014 | Insolvent |