| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Imperial House Estates Limited | 02329714 | 31/03/1992 | Dissolved |
| Pentangle Developments Limited | 01935992 | 31/12/1992 | Dissolved |
| Pentangle Technology Limited | 02716851 | 21/05/1993 | Dissolved |
| Pentangle Technology Ltd | 03087648 | 04/08/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASPEN FYNDS LIMITED | 02262604 | 14/06/1991 | 14/06/1992 | Silver |
| BEAMS LIMITED | 02792915 | 07/02/1996 | 08/09/1998 | Gold |
| BRICKFIELDS MANAGEMENT COMPANY (WARE) LIMITED | 02740682 | 18/08/1992 | 22/11/1994 | Not Trading |
| FINE ARTLINCS LIMITED | 01382285 | 23/07/1990 | 25/04/1995 | Amber |
| HERTFORDSHIRE BUILDING PRESERVATION TRUST LIMITED | 00783226 | 16/01/1995 | 04/11/1999 | Silver |
| HITCHIN FESTIVAL | 02590724 | 18/04/1991 | 25/09/2000 | Strike Off |
| MOUNTFORD HALL LTD | 07535550 | 18/02/2011 | 12/11/2013 | Dissolved |
| PENTANGLE DESIGN LIMITED | 01313647 | 07/03/1992 | 11/03/1998 | Bronze |
| Pentangle Interiors Ltd | 02098611 | 07/03/1992 | 11/03/1998 | Dissolved |
| THE SUN HOTEL HITCHIN LIMITED | 02920237 | 19/04/1994 | 07/07/1997 | Dissolved |
| WOODRITE LIMITED | 03054209 | 31/03/2003 | 27/07/2010 | Dissolved |