| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GLOBAL AWARDING LIMITED | 09364663 | 03/04/2017 | Dissolved |
| SHEARWATER ASSOCIATES HOLDINGS LTD | 09363288 | 03/04/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| MISSION HOUSE (HULL) HOLDINGS LIMITED | 09235979 | 25/09/2014 | 24/10/2024 | Silver |
| NATURAL GAS SERVICES (TRAINING) LIMITED | 03775735 | 01/11/1999 | 24/10/2024 | Silver |
| NATURAL GAS SERVICES LIMITED | 03019416 | 18/09/1995 | 18/10/2002 | Dissolved |
| NATURAL GAS SERVICES TRAINING (NEWCASTLE) LIMITED | 04798222 | 31/03/2011 | 24/10/2024 | Silver |
| SKILLS TRAINING AGENCY LIMITED | 02434799 | 23/02/2006 | 24/10/2024 | Bronze |
| SKILLS TRAINING AGENCY LIMITED | 02434799 | 03/07/2001 | 24/10/2024 | Bronze |
| UK CERTIFICATION LIMITED | 05488853 | 03/04/2017 | 28/06/2019 | Bronze |