| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUILDINGSMART UK LIMITED | 03234159 | 06/08/1996 | Dissolved |
| CHRISTIAN DAY NURSERIES LIMITED | 04295525 | 28/09/2001 | Bronze |
| Construction Industry Trading Electronically | 03358930 | 23/06/2005 | Dissolved |
| THE BUSINESS ROUND TABLE LIMITED | 02777935 | 08/01/1993 | Dissolved |
| Virtual First Ltd | 03976544 | 19/04/2000 | Dissolved |
| WELLAND VALLEY RAILWAY DEVELOPMENT C.I.C. | 13271744 | 16/03/2021 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCHITECTURE FAB LTD | 04168841 | 27/02/2001 | 28/02/2013 | Bronze |
| BUILDINGSMART INTERNATIONAL LIMITED | 05024694 | 23/01/2004 | 22/06/2017 | Bronze |
| CONSTRUCTION FORECASTING & RESEARCH UNLIMITED | 02699102 | 06/04/1993 | 23/03/1998 | Dissolved |
| KOGSF TRUSTEE LIMITED | 08272407 | 29/10/2012 | 22/06/2023 | Amber |
| Kbvt Ltd | 01995962 | 29/05/2003 | 21/07/2005 | Dissolved |
| RINGING WORLD LIMITED(THE) | 01722963 | 01/06/1991 | 27/05/1996 | Gold |
| WICKSTEED CHARITABLE TRUST | 07394789 | 02/10/2010 | 17/08/2012 | Silver |
| WICKSTEED PARK LIMITED | 01183177 | 23/04/2009 | 17/08/2012 | Dissolved |