| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANKER SHIPPING LTD | 10867568 | 17/07/2017 | Bronze |
| SECUNDUS ASSOCIATES LIMITED | 06834502 | 03/03/2009 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Altram (Manchester) Ltd | 03261281 | 22/05/2002 | 31/03/2003 | Dissolved |
| ELAN HOMES HOLDINGS LTD. | 06732886 | 01/03/2011 | 31/05/2012 | Silver |
| GARTHCLIFF SHIPPING LTD | 10756260 | 29/01/2018 | 30/09/2020 | Dissolved |
| INFRASTRUCTURE INVESTORS LIMITED | 04789693 | 10/06/2005 | 03/09/2007 | Dissolved |
| INFRASTRUCTURE MANAGERS LIMITED | 05372427 | 19/09/2005 | 02/04/2008 | Bronze |
| MEIF II CP 1A LIMITED | 06131466 | 21/06/2012 | 05/12/2016 | Dissolved |
| MEIF II CP HOLDINGS 1 LIMITED | 06133791 | 21/06/2012 | 05/12/2016 | Dissolved |
| MEIF II CP HOLDINGS 2 LIMITED | 06133806 | 21/06/2012 | 05/12/2016 | One Red Flag |
| MEIF II CP HOLDINGS 3 LIMITED | 06133821 | 21/06/2012 | 05/12/2016 | Amber |
| NATIONAL CAR PARKS LIMITED | 00253240 | 21/06/2012 | 05/12/2016 | One Red Flag |
| OCTAGON HEALTHCARE FUNDING PLC | 04870001 | 21/02/2007 | 28/06/2007 | Silver |
| OCTAGON HEALTHCARE GROUP LIMITED | 04826487 | 21/02/2007 | 28/06/2007 | Silver |
| OCTAGON HEALTHCARE HOLDINGS (NORWICH) LIMITED | 03367686 | 21/02/2007 | 28/06/2007 | Bronze |
| OCTAGON HEALTHCARE LIMITED | 03112891 | 21/02/2007 | 28/06/2007 | Silver |
| Svenska Finans (U K) Ltd | 01750340 | 23/06/1991 | 31/12/1995 | Dissolved |
| UPP PROJECTS LIMITED | 05272122 | 25/10/2005 | 30/06/2006 | One Red Flag |