| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| John Laing (The Broad Gauge) Ltd | 06238467 | 25/05/2007 | Dissolved |
| LAING RAIL PROJECT EVERGREEN (HOLDINGS) LIMITED | 04420901 | 31/03/2008 | Dissolved |
| LAING RAIL PROJECT EVERGREEN LIMITED | 04420889 | 31/03/2008 | Dissolved |
| Park Village East Holdings Ltd | 06238445 | 04/09/2007 | Dissolved |
| Park Village East Ltd | 06238428 | 04/09/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGILITY TRAINS EAST (HOLDINGS) LIMITED | 07930434 | 22/04/2014 | 28/09/2021 | Bronze |
| AGILITY TRAINS EAST (MIDCO) LIMITED | 07930515 | 22/04/2014 | 28/09/2021 | Bronze |
| AGILITY TRAINS EAST LIMITED | 07930598 | 22/04/2014 | 28/09/2021 | Bronze |
| AGILITY TRAINS WEST (HOLDINGS) LIMITED | 07930508 | 26/07/2012 | 05/02/2019 | Bronze |
| AGILITY TRAINS WEST (MIDCO) LIMITED | 07930573 | 26/07/2012 | 05/02/2019 | Bronze |
| AGILITY TRAINS WEST LIMITED | 07930606 | 26/07/2012 | 05/02/2019 | Bronze |
| AUTOLINK CONCESSIONAIRES (M6) PLC | 03201364 | 29/03/2012 | 26/03/2013 | Silver |
| AUTOLINK HOLDINGS (M6) LTD | 03319443 | 29/03/2012 | 26/03/2013 | Bronze |
| AYLESBURY VALE PARKWAY LIMITED | 05840872 | 08/06/2006 | 19/03/2009 | Silver |
| CITYLINK TELECOMMUNICATIONS HOLDINGS LIMITED | 03734966 | 01/02/2010 | 24/04/2018 | Dissolved |
| CITYLINK TELECOMMUNICATIONS LIMITED | 03734785 | 01/02/2010 | 24/10/2018 | Dissolved |
| COASTAL CLEAR WATER (HOLDINGS) LIMITED | NI035623 | 13/03/2013 | 05/12/2014 | Amber |
| COASTAL CLEAR WATER LIMITED | NI030252 | 12/03/2012 | 05/12/2014 | Amber |
| COLESHILL PARKWAY LIMITED | 05608780 | 01/11/2005 | 19/03/2009 | Gold |
| CROYDON AND LEWISHAM LIGHTING SERVICES (HOLDINGS) LIMITED | 07521716 | 08/02/2011 | 02/10/2012 | Silver |
| CROYDON AND LEWISHAM LIGHTING SERVICES LIMITED | 07523241 | 09/02/2011 | 02/10/2012 | Bronze |
| ELWA HOLDINGS LIMITED | 07389613 | 16/05/2011 | 27/08/2013 | Silver |
| ELWA LIMITED | 02700386 | 16/05/2011 | 27/08/2013 | Silver |
| INEOS RUNCORN (TPS) HOLDINGS LIMITED | 06574947 | 01/05/2012 | 14/04/2014 | Gold |
| INEOS RUNCORN (TPS) LIMITED | 06575668 | 01/05/2012 | 14/04/2014 | Gold |
| JLW EXCELLENT HOMES FOR LIFE HOLDING COMPANY LIMITED | 07457147 | 11/11/2015 | 18/01/2016 | Silver |
| JLW EXCELLENT HOMES FOR LIFE LIMITED | 07460024 | 11/11/2015 | 18/01/2016 | Silver |
| JOHN LAING PROJECTS & DEVELOPMENTS (HOLDINGS) LIMITED | 04252518 | 15/12/2006 | 03/08/2009 | Gold |
| JOHN LAING PROJECTS & DEVELOPMENTS LIMITED | 04420886 | 14/07/2003 | 03/08/2009 | Bronze |
| REGENTER MYATTS FIELD NORTH HOLDING COMPANY LIMITED | 07485873 | 07/01/2011 | 11/01/2013 | Silver |
| REGENTER MYATTS FIELD NORTH LIMITED | 07489177 | 11/01/2011 | 11/01/2013 | Silver |
| SHANKS DUMFRIES AND GALLOWAY HOLDINGS LIMITED | SC245928 | 23/04/2012 | 27/08/2013 | Dissolved |
| SLS HOLDING COMPANY LIMITED | 07005561 | 23/09/2010 | 02/10/2012 | Bronze |
| SURREY LIGHTING SERVICES LIMITED | 07007467 | 23/09/2010 | 02/10/2012 | Bronze |
| WSMR (HOLDINGS) LIMITED | 05970324 | 05/12/2008 | 31/12/2010 | Not Trading |