| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CYGNET (ENGINEERING) DEVELOPMENTS LIMITED | 04435374 | 07/06/2002 | Dissolved |
| CYGNET GROUP LIMITED | 05870526 | 25/07/2006 | Bronze |
| CYGNET INTEGRATED SOLUTIONS LIMITED | 04649894 | 30/11/2008 | Dissolved |
| CYGNET OIL & GAS LIMITED | 07294196 | 24/06/2010 | Dissolved |
| CYGNET PROPERTY LIMITED | 07697449 | 07/07/2011 | Not Trading |
| CYGNET TEXKIMP LIMITED | 04115619 | 29/11/2000 | Silver |
| CYGNIS LIMITED | 07833178 | 27/09/2013 | Dissolved |
| ENGINEERING PARTNERSHIPS LIMITED | 07294124 | 24/06/2010 | Dissolved |
| PEARL DISTRIBUTION LIMITED | 07367659 | 07/09/2010 | Dissolved |
| PRONOVUS LIMITED | 07414101 | 20/10/2010 | Dissolved |
| SECC HYDRAULICS LIMITED | 05518536 | 29/07/2005 | Dissolved |
| SECC MINING LIMITED | 06456769 | 19/12/2007 | Dissolved |
| SECC NUCLEAR LIMITED | 06456774 | 19/12/2007 | Dissolved |
| SECC OIL AND GAS LIMITED | 05899364 | 24/08/2006 | Bronze |
| SELF ENERGISING COUPLING COMPANY LIMITED | 05158106 | 21/06/2004 | Silver |
| TEXKIMP LIMITED | 01183989 | 07/11/1996 | Gold |
| WEB PROCESSING (M/C) LIMITED | 07632485 | 12/05/2011 | Dissolved |
| WEB PROCESSING LIMITED | 07632489 | 12/05/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PERPETUAL ENGINEERING PARTNERSHIPS LIMITED | 07321030 | 21/07/2010 | 22/05/2019 | One Red Flag |