| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Homesecond | 03195498 | 13/09/1996 | Dissolved |
| Lorne Systems Ltd | 04202389 | 20/04/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATEGO SYSTEMS LIMITED | 03313467 | 27/04/2007 | 09/12/2009 | Dissolved |
| CITYMAX INTEGRATED INFORMATION SYSTEMS LIMITED | 01845001 | 01/07/1997 | 28/04/2000 | Dissolved |
| DMA BRACKNELL LTD | 00999333 | 18/11/1996 | 28/04/2000 | Dissolved |
| DXC UK TRUSTEE LIMITED | 02847817 | 01/07/2004 | 15/06/2020 | Not Trading |
| Dvoit Ltd | 02792408 | 18/11/1996 | 28/04/2000 | Dissolved |
| E.D.S. INTERNATIONAL LIMITED | 01791299 | 11/09/1996 | 26/01/2001 | Dissolved |
| EDS (ELECTRONIC DATA SYSTEMS) LIMITED | 01799287 | 11/09/1996 | 28/04/2000 | Dissolved |
| EDS AFRICA (MUREX) LIMITED | 01854375 | 18/11/1996 | 28/04/2000 | Dissolved |
| EDS FINANCE LIMITED | 02099503 | 11/09/1996 | 30/11/2000 | Dissolved |
| EDS NOMINEES LIMITED | 01858410 | 18/11/1996 | 01/12/2000 | Dissolved |
| EDS UK LIMITED | 01642767 | 11/09/1996 | 28/04/2000 | Dissolved |
| ENTERPRISE SERVICES DEFENCE AND SECURITY UK LIMITED | 00936751 | 11/09/1996 | 30/11/2000 | Not Trading |
| ENTSERV UK LIMITED | 00053419 | 11/09/1996 | 01/06/2001 | Silver |
| GRIMMS DYKE (LIBERTY) ESTATES LIMITED | 01380736 | 10/10/2001 | 03/05/2023 | Silver |
| INSTITUTE FOR THE MANAGEMENT OF INFORMATION SYSTEMS | 01160852 | 17/09/2002 | 27/09/2005 | Not Trading |
| LOCKHEED MARTIN UK AMPTHILL GROUP LIMITED | 04141148 | 19/07/2004 | 19/10/2005 | Amber |
| PHILANTHROPY IN COMMUNITIES | 04197116 | 12/05/2001 | 25/03/2002 | Dissolved |
| SCICON LIMITED | 00920329 | 11/09/1996 | 28/04/2000 | Dissolved |
| SYSTEMS DESIGNERS LIMITED | 01306496 | 18/11/1996 | 28/04/2000 | Dissolved |
| Sd-Scicon Europe Ltd | 01925195 | 18/11/1996 | 28/04/2000 | Dissolved |
| Systems Designers Aviation Ltd | 01518559 | 18/11/1996 | 28/04/2000 | Dissolved |
| Systems Designers Estates Ltd | 01794780 | 18/11/1996 | 28/04/2000 | Dissolved |
| Systems Programming Ltd | 00828147 | 18/11/1996 | 28/04/2000 | Dissolved |
| Systems Programming Overseas Ltd | 01681221 | 18/11/1996 | 28/04/2000 | Dissolved |