| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Advanced Processor Design Ltd | 02744742 | 30/09/1992 | Dissolved |
| Chess Valley Computers Ltd | 02558720 | 15/11/1992 | Dissolved |
| Clifton Reed Training Ltd | 03097269 | 19/10/1995 | Dissolved |
| Computer Service Technology Ltd | 03097271 | 19/10/1995 | Dissolved |
| Cst Systems Ltd | 03097533 | 19/10/1995 | Dissolved |
| E.S.P. (York) Limited | 02382979 | 05/07/1993 | Dissolved |
| Linx Human Resource Systems Ltd | 02054601 | 31/12/1993 | Dissolved |
| Lynx Communications Ltd | 03079283 | 19/10/1995 | Dissolved |
| Lynx Computer Services Ltd | 03097698 | 03/01/1996 | Dissolved |
| Lynx Financial Systems (Specialist Banking) Ltd | 03079278 | 19/10/1995 | Dissolved |
| Lynx Holdings Ltd | 02235910 | 25/03/1994 | Dissolved |
| Mertech Electronics Ltd | 02483572 | 21/03/1994 | Dissolved |
| Paradigm Ltd | 01778892 | 20/09/1996 | Dissolved |
| Quadra Computer Services Ltd | 02550251 | 20/09/1996 | Dissolved |
| Tenhill Management Systems Ltd | 02760559 | 09/04/1998 | Dissolved |
| Tenhill Management Systems Ltd | 02760559 | 09/04/1998 | Dissolved |
| V M F Ltd | 00778017 | 31/03/1994 | Dissolved |
| Vector Associates Ltd | 02860834 | 20/09/1996 | Dissolved |
| Vistec Financial Systems Ltd | 01256563 | 20/09/1996 | Dissolved |
| Vistec Group Ltd | 02479547 | 20/09/1996 | Dissolved |
| Vistec Open Systems Limited | 02550259 | 20/09/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GTC MAINTENANCE LIMITED | 02465248 | 28/09/1992 | 15/07/2010 | Dissolved |
| GTC PROJECTS LIMITED | 02483588 | 21/03/1994 | 15/07/2010 | Dissolved |
| GTC SYSTEMS LIMITED | 01646405 | 16/11/1994 | 15/07/2010 | Dissolved |
| ONENOTE LIMITED | 01344785 | 01/11/1993 | 19/07/2010 | Dissolved |
| PRISM SOLUTIONS LIMITED | 02672540 | 15/12/1993 | 15/07/2010 | Dissolved |
| Signal Ltd | 02609032 | 09/05/1994 | 06/06/2003 | Dissolved |
| TELYLINE LIMITED | 02160066 | 30/09/1992 | 15/07/2010 | Dissolved |
| VISTEC COMPUTER SERVICES LIMITED | 02088236 | 13/10/1993 | 15/07/2010 | Dissolved |