| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Acutek Control Solutions Ltd | 04355447 | 01/02/2002 | Dissolved |
| Datasphere Ltd | 03155548 | 01/11/2001 | Dissolved |
| F.E. GOOD PROPERTIES LIMITED | 02458105 | 02/09/2013 | Silver |
| IXXI LIMITED | 02294476 | 14/02/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACCESSO TECHNOLOGY GROUP PLC | 03959429 | 23/09/2000 | 27/05/2014 | Gold |
| Acutek Control Solutions (Uk) Ltd | 04752762 | 02/05/2003 | 19/02/2004 | Dissolved |
| Communica Ltd | 02040848 | 31/12/1990 | 31/10/2001 | Dissolved |
| FASTT LTD | 05226205 | 16/09/2004 | 07/09/2005 | Dissolved |
| LO-Q (TRUSTEES) LIMITED | 04024467 | 01/09/2012 | 27/05/2014 | Not Trading |
| METASKIL GROUP LIMITED | 04150784 | 01/07/2007 | 30/09/2012 | Dissolved |
| METASKIL SERVICES LIMITED | 07970729 | 01/03/2012 | 31/03/2012 | Dissolved |
| Montrose Media Group Ltd | 03213181 | 01/03/2002 | 31/12/2004 | Dissolved |
| N-Able Ltd | 02723617 | 31/01/1994 | 11/07/1999 | Dissolved |
| O.S.I. SERVICES (U.K.) LIMITED | 02241974 | 01/01/1992 | 19/07/1999 | Dissolved |
| OSI EUROPE LIMITED | 02244498 | 17/09/1992 | 11/07/1999 | Dissolved |
| OSI GROUP HOLDINGS LIMITED | 03083661 | 01/11/1995 | 19/07/1999 | Dissolved |
| OSI GROUP INVESTMENTS LIMITED | 02090668 | 31/12/1991 | 31/12/1992 | Dissolved |
| OSI GROUP LIMITED | 02103830 | 31/12/1991 | 18/11/1997 | Insolvent |
| Osi Uk Ltd | 02244412 | 31/12/1992 | 11/07/1999 | Dissolved |
| PARK ROAD ALDEBURGH (MAINTENANCE ) LIMITED | 00707312 | 04/11/2011 | 20/11/2021 | Bronze |
| STOWMARKET MUSEUM TRADING COMPANY LIMITED | 02802185 | 05/08/2003 | 22/10/2021 | Bronze |
| Stirling Motor Co Ltd | 04328937 | 26/11/2001 | 01/08/2002 | Dissolved |
| Systec Management Services Ltd | 02616452 | 21/01/1993 | 11/03/1999 | Dissolved |
| THE ALDEBURGH LIBRARY FOUNDATION | 08211480 | 18/06/2013 | 18/01/2017 | Bronze |
| THE FOOD MUSEUM LTD | 01819676 | 07/08/2001 | 22/10/2021 | Bronze |