| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ajm Properties Limited | 02633750 | 31/07/1992 | Dissolved |
| Dartmouth Circus Developments Ltd | 02794018 | 11/03/1993 | Dissolved |
| Dartmouth Circus Developments Ltd | 02794018 | 11/03/1993 | Dissolved |
| GREENHOUGH ROAD MANAGEMENT COMPANY LIMITED | 06386614 | 15/11/2007 | Silver |
| H & H Holman Estates Ltd | 01926039 | 19/08/1991 | Dissolved |
| H & H Holman Securities Ltd | 01610589 | 19/08/1991 | Dissolved |
| H. & H. HOLMAN PROPERTIES LIMITED | 01410252 | 19/08/1991 | Bronze |
| North Lynn Business Village (King's Lynn) Limited | 02454976 | 19/08/1994 | Dissolved |
| OSBORNE ASSETS LIMITED | 02819255 | 18/05/1993 | Not Trading |
| OSBORNE HOUSE LIMITED | 01702727 | 02/08/1991 | Bronze |
| OSBORNE INVESTMENTS LIMITED | 02742455 | 19/08/1992 | Silver |
| PLANIT FURNITURE LIMITED | 05139331 | 27/05/2004 | Silver |
| Seighford Investment Co Ltd | 03745079 | 08/04/1999 | Dissolved |
| Sloganbrook Properties Limited | 01555682 | 19/08/1991 | Dissolved |
| Spreecell Ltd | 01464278 | 19/08/1991 | Dissolved |
| TECHPARC LIMITED | 04241013 | 24/12/2001 | Bronze |
| WCFS LIMITED | 06511545 | 21/02/2008 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SEIGHFORD INVESTMENTS LIMITED | 06126900 | 30/04/2007 | 18/02/2014 | Gold |
| SEIGHFORD TRADING LIMITED | 06126855 | 30/04/2007 | 18/02/2014 | Dissolved |
| TOTAL SECURITY INTEGRATION LIMITED | 04634187 | 18/09/2003 | 08/08/2023 | Not Trading |