| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BH MANAGEMENT SERVICES LTD | 10785115 | 23/05/2017 | Strike Off |
| DYNAMIC RESULTS LTD | 07468287 | 13/12/2010 | Dissolved |
| OFF GRID INNOVATION LTD | 15515179 | 23/02/2024 | Amber |
| PRESTIGE TOOLING LIMITED | 03975537 | 10/05/2000 | Dissolved |
| QTS TRAINING GROUP LIMITED | 09389915 | 15/01/2015 | Dissolved |
| SIGMA ( WALES ) LTD | 06228235 | 17/11/2011 | Strike Off |
| SIGMA ABC LIMITED | 09794448 | 25/09/2015 | Dissolved |
| SIGMA GROUP HOLDINGS LIMITED | 09382361 | 09/01/2015 | Dissolved |
| SIGMA Q C LIMITED | 04220787 | 21/05/2001 | Dissolved |
| SIGMA QTS LIMITED | 09383465 | 12/01/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Ark Flood Defences Ltd | 06818108 | 12/02/2009 | 03/07/2009 | Dissolved |
| CELTIC NEWCO LIMITED | 07169985 | 02/03/2010 | 15/06/2011 | Dissolved |
| CONSTRUCT CORPORATION LTD | 05561225 | 16/09/2005 | 15/04/2009 | Dissolved |
| Prestige Veneers Ltd | 03316580 | 01/11/1997 | 30/06/2004 | Dissolved |
| Redi-Rock International Ltd | 05356963 | 16/05/2007 | 27/07/2009 | Dissolved |
| SIGMA ( WALES ) LTD | 06228235 | 26/04/2007 | 16/11/2011 | Strike Off |
| THE SKILLS CENTRE LONDON LIMITED | 06401277 | 25/06/2013 | 19/02/2019 | Bronze |
| THE SKILLS CENTRE WALES LIMITED | 08447785 | 15/03/2013 | 18/02/2019 | Bronze |