| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CONCORD DATA SYSTEMS (UK) LIMITED | 01714138 | 01/11/2002 | Dissolved |
| Psion Connect Home Networks Ltd | 03205990 | 01/11/2002 | Dissolved |
| Psion Digital Solutions Ltd | 03799657 | 01/11/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EASYSWITCH SOFTWARE LIMITED | 01825818 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION CONNECT HOLDINGS LIMITED | 03188560 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION CONNECT LIMITED | 01530584 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION CONSUMER PRODUCTS LIMITED | 03966986 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION DIGITAL LIMITED | 03132252 | 01/05/2001 | 28/10/2003 | Dissolved |
| PSION HOLDINGS LIMITED | 01520131 | 11/05/1991 | 31/12/2003 | Gold |
| PSION INFOMEDIA LIMITED | 03799665 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION INVESTMENTS CANADA | 04053902 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION INVESTMENTS LIMITED | 01737807 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION NO. 16 LIMITED | 03799660 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION NO. 17 LIMITED | 03966974 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION OVERSEAS INVESTMENTS | 03188564 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION PROPERTY LIMITED | 03966978 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION SERVICES LIMITED | 03206395 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION SHARED SERVICES LTD | 01739564 | 20/09/1996 | 26/09/2000 | Dissolved |
| PSION TECHNOLOGY INVESTMENTS LIMITED | 03799663 | 01/11/2002 | 28/10/2003 | Dissolved |
| PSION TRUSTEES LIMITED | 03205991 | 01/11/2002 | 28/10/2003 | Dissolved |
| Psion U K | 01681676 | 27/08/1992 | 01/01/1993 | Dissolved |