| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Exsite Research Ltd | 03492939 | 22/05/1998 | Dissolved |
| NETMOTIVATION LTD | 07183120 | 09/03/2010 | Dissolved |
| Ug Realisations 2008 Ltd | 06025464 | 14/03/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCHITECTURAL HERITAGE FUND(THE) | 01150304 | 01/04/2011 | 14/04/2017 | Gold |
| ASSETHALL LIMITED | 02326976 | 12/03/2002 | 17/10/2003 | Dissolved |
| BIRCH SITES LIMITED | 06404382 | 19/10/2007 | 31/03/2008 | Silver |
| CONTAMINATED LAND:APPLICATIONS IN REAL ENVIRONMENTS | 03740059 | 23/03/1999 | 19/03/2008 | Bronze |
| MAINSTREAM FORTY-SEVEN LIMITED | 02460488 | 10/05/1996 | 17/10/2003 | Dissolved |
| NATIONAL GRID (SOUTHALL) GENERAL PARTNER LIMITED | 05123227 | 13/05/2004 | 31/03/2008 | Dissolved |
| NATIONAL GRID (SOUTHALL) LP LIMITED | 05123241 | 13/05/2004 | 31/03/2008 | Dissolved |
| NATIONAL GRID LAND AND PROPERTIES LIMITED | 02630510 | 07/04/2003 | 31/03/2008 | Dissolved |
| NATIONAL GRID LAND DEVELOPMENTS LIMITED | 02530995 | 12/03/2002 | 17/10/2003 | Dissolved |
| NATIONAL GRID LAND INVESTMENTS LIMITED | 02394159 | 12/03/2002 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY (HIGH WYCOMBE) LIMITED | 06112614 | 16/02/2007 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY (NORTHAMPTON) LIMITED | 05195302 | 02/08/2004 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY (TAUNTON) LIMITED | 06112616 | 16/02/2007 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY (WARWICK) LIMITED | 05679150 | 18/01/2006 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY DEVELOPMENTS LIMITED | 02630507 | 07/04/2003 | 31/03/2008 | Dissolved |
| NATIONAL GRID PROPERTY HOLDINGS LIMITED | 03797578 | 30/11/1999 | 31/03/2008 | Silver |
| NATIONAL GRID PROPERTY LIMITED | 02531489 | 30/11/1999 | 31/03/2008 | Dissolved |
| National Grid Property Nominees (No 1) Ltd | 04147782 | 16/04/2002 | 31/03/2008 | Dissolved |
| National Grid Property Nominees (No 2) Ltd | 04215950 | 16/04/2002 | 31/03/2008 | Dissolved |
| National Grid Property Regeneration Ltd | 03990576 | 31/05/2000 | 17/10/2003 | Dissolved |
| POLICY CONNECT LIMITED | 03117836 | 29/04/2008 | 29/04/2008 | One Red Flag |
| POLICY CONNECT LIMITED | 03117836 | 29/04/2008 | 05/02/2018 | One Red Flag |
| PORT GREENWICH LIMITED | 02392867 | 17/10/1996 | 31/03/2008 | Gold |
| THAMESPORT INTERCHANGE LIMITED | 06404380 | 19/10/2007 | 31/03/2008 | Gold |