| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Laing,John,Ventures Ltd | 00502222 | 31/05/1991 | Dissolved |
| PENROBIA INVESTMENTS LTD | 04355851 | 18/01/2002 | Bronze |
| Wimpey Laing Bandar Abbas Ltd | 01014623 | 01/01/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVICE ON INDIVIDUAL RIGHTS IN EUROPE | 02824400 | 01/08/2003 | 20/02/2006 | Silver |
| Bysoulis Limited | 01274023 | 31/05/1991 | 29/09/1993 | Dissolved |
| Elstree Platforms Ltd | 00766504 | 31/05/1992 | 29/09/1993 | Dissolved |
| JOHN LAING CONSTRUCTION LIMITED | 00172161 | 31/05/1992 | 01/07/1994 | Amber |
| JOHN LAING FINANCE LIMITED | 00121246 | 31/05/1991 | 22/10/2001 | Dissolved |
| JOHN LAING INTERNATIONAL LIMITED | 00623253 | 11/05/1992 | 01/07/1994 | Gold |
| JOHN LAING INVESTMENTS LIMITED | 00780225 | 31/05/1991 | 01/10/1997 | Bronze |
| JOHN LAING LIMITED | 01345670 | 31/05/1992 | 01/07/1994 | Silver |
| JOHN LAING LIMITED | 01345670 | 31/05/1992 | 31/01/2002 | Silver |
| JOHN LAING PENSION PLAN TRUSTEES LIMITED | 01321731 | 06/08/1992 | 26/06/2002 | Not Trading |
| JOHN LAING PENSION TRUST LIMITED(THE) | 00653103 | 06/08/1992 | 26/06/2002 | Not Trading |
| JOHN LAING SERVICES LIMITED | 01363079 | 31/05/1992 | 31/03/2001 | Silver |
| John Laing (Asia Holdings) Ltd | 02330310 | 31/05/1992 | 29/09/1993 | Dissolved |
| John Laing Construction(Finance) Ltd | 00807313 | 31/05/1991 | 22/10/2001 | Dissolved |
| LAING CONSTRUCTION SERVICES LIMITED | 04079865 | 09/01/2001 | 31/03/2001 | Dissolved |
| LAING INFRASTRUCTURE HOLDINGS LIMITED | 02759535 | 22/12/1992 | 01/10/1997 | Dissolved |
| LAING LAND LIMITED | 00573129 | 31/05/1991 | 22/06/2000 | Not Trading |
| LAING PROPERTY HOLDINGS LIMITED | 00806760 | 31/05/1991 | 19/04/1993 | Gold |
| LCI LIMITED | 02335076 | 22/03/1994 | 01/02/1995 | Dissolved |
| LONDON CLUBS INTERNATIONAL LIMITED | 02862479 | 07/04/1994 | 31/12/1998 | Silver |
| Laing Land 1990 Ltd | 02505707 | 24/05/1991 | 29/09/1993 | Dissolved |
| Laing,John,Property Ventures Ltd | 01925283 | 31/05/1992 | 29/09/1993 | Dissolved |
| Lakewoods Ltd | 02329221 | 31/01/1993 | 15/03/1995 | Dissolved |
| Millbourne Developments Ltd | 02298597 | 31/05/1991 | 22/06/1992 | Dissolved |
| Miller Fisher Group Plc | 03775169 | 24/05/1999 | 12/08/2002 | Dissolved |
| PENROBIA INVESTMENTS LTD | 04355851 | 18/01/2002 | 19/12/2016 | Bronze |
| Project Assessment & Development Ltd | 01365939 | 31/05/1992 | 29/09/1993 | Dissolved |
| SEBERGHAM NOMINEES LIMITED | 00709937 | 31/05/1991 | 31/01/2002 | Dissolved |
| SEVERN RIVER CROSSING PLC | 02379695 | 12/11/1992 | 31/07/2000 | Dissolved |
| WIMPEY LAING OVERSEAS LIMITED | 01154955 | 01/01/1993 | 31/12/1995 | Insolvent |