| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bentley Holdings Ltd | 02789058 | 15/07/1996 | Dissolved |
| Bentley Trustees Ltd | 02369042 | 15/07/1996 | Dissolved |
| Omnium Limited | 02718857 | 01/06/1992 | Dissolved |
| PHOENIX VEHICLE HIRE LTD | 07185531 | 11/08/2010 | Dissolved |
| The Fitzhardinge Group Ltd | 02399639 | 29/06/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Bentley Holdings Ltd | 02789058 | 20/07/1993 | 17/01/1996 | Dissolved |
| CHEVRON AEROSTRUCTURES LIMITED | 00938188 | 18/03/1994 | 06/08/1997 | Dissolved |
| FLASH NO. 3 LIMITED | 00175506 | 17/12/1992 | 17/02/2003 | Not Trading |
| FOTOVALUE LIMITED | 00530172 | 02/06/1994 | 18/10/2017 | Not Trading |
| GLOBAL ATS LIMITED | 07596473 | 22/10/2019 | 12/02/2024 | Gold |
| IMPULSELOGIC LIMITED | 06572437 | 08/07/2016 | 31/07/2020 | One Red Flag |
| MAILSOURCE UK MANAGEMENT LIMITED | 03430912 | 12/02/1998 | 02/09/2002 | Dissolved |
| MICRO NAV (HOLDINGS) LIMITED | 03016745 | 22/08/2012 | 12/02/2024 | Gold |
| MICRO NAV (SOFTWARE) LIMITED | 02285458 | 22/08/2012 | 12/02/2024 | Not Trading |
| MICRO NAV LIMITED | 03014347 | 22/08/2012 | 12/02/2024 | Silver |
| Prisma (Europe) Ltd | 03237168 | 08/08/1996 | 09/08/1996 | Dissolved |
| QUADNETICS EMPLOYEES' TRUSTEES LIMITED | 02128906 | 14/06/2005 | 08/01/2007 | Not Trading |
| QUADNETICS EMPLOYEES' TRUSTEES LIMITED | 02128906 | 14/06/2005 | 08/01/2007 | Not Trading |
| QUADRANT GROUP LIMITED | 04343035 | 21/02/2002 | 12/02/2024 | Gold |
| QUADRANT SIMULATION SYSTEMS LIMITED | 13160214 | 26/01/2021 | 12/02/2024 | Gold |
| QUADRANT SYSTEMS LIMITED | 02928987 | 07/07/1994 | 11/09/1997 | Bronze |
| QUADRANT TOPCO LIMITED | 15373338 | 15/01/2024 | 12/02/2024 | Insolvent |
| QUEST FLIGHT TRAINING LIMITED | 03882047 | 07/01/2000 | 21/05/2022 | Silver |
| SANPHO PENSION TRUSTEES LIMITED | 01530978 | 12/08/1997 | 01/04/2008 | Not Trading |
| SCISYS UK HOLDING LTD | 03426416 | 02/01/2013 | 27/11/2018 | Dissolved |
| SYNECTICS PLC | 01740011 | 15/12/1992 | 16/02/2023 | Silver |
| Sangers Ltd | 03237169 | 08/08/1996 | 09/08/1996 | Dissolved |
| Security Business Services Ltd | 03303161 | 29/01/1997 | 12/02/1998 | Dissolved |
| Security Despatch London Ltd | 02599677 | 09/04/1992 | 07/06/1993 | Dissolved |
| Security Despatch Ltd | 02396567 | 19/06/1992 | 27/02/1997 | Dissolved |