| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENVIRONMENTAL FACILITIES LIMITED | 03936811 | 01/02/2008 | Dissolved |
| MS OLD LIMITED | 00113969 | 12/03/1997 | Dissolved |
| TJL CONSULTANCY LIMITED | 09836018 | 21/10/2015 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A B B Real Estate Ltd | 03093968 | 15/02/2001 | 27/06/2002 | Dissolved |
| Abb Energy Information Systems Ltd | 02524966 | 04/03/1996 | 13/10/2004 | Dissolved |
| Abb Equity Development Co Ltd | 02688994 | 01/09/1997 | 30/09/2002 | Dissolved |
| Abb Equity Ventures (Uk) Ltd | 03446642 | 22/07/1999 | 30/09/2002 | Dissolved |
| QUARTZELEC LTD | 02364716 | 06/04/2007 | 12/02/2016 | Bronze |
| QUARTZELEC PENSION TRUSTEES LIMITED | 05008639 | 01/12/2011 | 12/02/2016 | Not Trading |
| QUARTZINVEST LIMITED | 06019739 | 06/12/2006 | 15/09/2023 | Gold |
| RL REALISATIONS 2013 LIMITED | 04603607 | 02/04/2003 | 20/06/2005 | Dissolved |