| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ESKMUIR (THAYER STREET 1) LIMITED | 07787008 | 26/09/2011 | Not Trading |
| ESKMUIR (THAYER STREET 2) LIMITED | 07786827 | 26/09/2011 | Bronze |
| ESKMUIR SECURITIES LIMITED | 07538317 | 22/02/2011 | Bronze |
| Grosvenor Laing Urban Enterprise Ltd | 02253086 | 04/10/1991 | Dissolved |
| Tyringham Foundation Ltd | 00927098 | 20/01/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONSTRUCTION INDUSTRY RELIEF, ASSISTANCE AND SUPPORT FOR THE HOMELESS AND HOSPICES LIMITED | 03175906 | 03/06/1996 | 25/05/2004 | Silver |
| ENGLEMERE LIMITED | 02193639 | 24/06/1992 | 27/09/2018 | Amber |
| ESKMUIR PROPERTIES LIMITED | 02512752 | 18/06/1992 | 25/03/1998 | Silver |
| GROUNDWORK EAST | 01944186 | 18/11/1998 | 28/02/2006 | Silver |
| GROUNDWORK ENVIRONMENTAL MANAGEMENT (HERTFORDSHIRE) LIMITED | 02671048 | 17/11/1998 | 28/02/2006 | Dissolved |
| JOHN LAING CONSTRUCTION LIMITED | 00172161 | 31/05/1992 | 22/10/2001 | Silver |
| LAING CONSTRUCTION LIMITED | 03074000 | 07/12/1998 | 22/10/2001 | Silver |
| LORD'S TAVERNERS LIMITED(THE) | 00582579 | 26/04/2004 | 11/04/2011 | Bronze |
| London East Training & Enterprise Council | 02555700 | 06/11/1992 | 30/06/1993 | Dissolved |
| NPFA SERVICES LIMITED | 02112188 | 10/05/1991 | 31/07/2000 | Gold |
| North London Leadership | 03023682 | 02/06/1998 | 21/10/1998 | Dissolved |
| THE CHARTERED INSTITUTE OF BUILDING BENEVOLENT FUND | 02733932 | 29/06/1994 | 30/04/2002 | Amber |
| THE FEDERATION OF GROUNDWORK TRUSTS | 01900511 | 27/02/2003 | 09/09/2004 | Bronze |
| THE UNIVERSITY COLLEGE OF OSTEOPATHY | 00146343 | 04/12/1991 | 06/03/1998 | Insolvent |
| THOMAS TELFORD SERVICES LIMITED | 02374942 | 02/09/1992 | 05/01/1993 | Dissolved |