| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COMBERTON EDUCATIONAL TRUST | 06705652 | 23/09/2008 | Dissolved |
| Coulson Flooring Ltd | 00889632 | 18/06/1991 | Dissolved |
| Langdon,Harry, Co Ltd | 00535932 | 18/06/1991 | Dissolved |
| The Built Environment Education Trust Ltd | 03051232 | 31/12/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Andrews,James,Ltd | 01746770 | 22/06/1991 | 04/08/1997 | Dissolved |
| CONSTRUCTION INDUSTRY PUBLICATIONS LIMITED | 02943751 | 06/09/2001 | 08/05/2008 | Gold |
| COULSON & SON LIMITED | 01520222 | 18/06/1992 | 31/12/2013 | Gold |
| COULSON GROUP LIMITED | 00171837 | 20/06/1991 | 20/07/2021 | Gold |
| COULSON JOINERY LIMITED | 00889669 | 18/06/1991 | 31/12/2013 | Amber |
| COULSON RESTORATION LIMITED | 01520223 | 18/06/1991 | 31/12/2013 | Not Trading |
| Focus 80 Ltd | 02679590 | 11/03/1992 | 17/11/1992 | Dissolved |
| Funnell's Ltd | 00532875 | 22/06/1991 | 04/08/1997 | Dissolved |
| HART ELECTRICAL LIMITED | 00935214 | 18/06/1991 | 31/12/2013 | Not Trading |
| NEGUS & SONS LIMITED | 00248272 | 18/06/1991 | 31/12/2013 | Not Trading |
| PAUL GLOVER ASSOCIATES LIMITED | 03806939 | 14/07/1999 | 31/12/2013 | Gold |
| PROPERTY VENTURES LIMITED | 02224353 | 18/06/1991 | 31/12/2013 | Not Trading |