| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRADING ROMAN VILLA TRUST | 04667573 | 31/03/2015 | Bronze |
| Calleva Museum | 02274482 | 16/06/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLIO ENTERPRISES LIMITED | 07595846 | 13/04/2011 | 10/11/2015 | Bronze |
| COTSWOLD ARCHAEOLOGY LIMITED | 02362531 | 01/05/1991 | 27/10/1993 | Gold |
| MUSEUM OF LONDON ARCHAEOLOGY | 07751831 | 24/08/2011 | 25/08/2014 | One Red Flag |
| MUSEUMS, LIBRARIES AND ARCHIVES SOUTH EAST | 04131121 | 12/12/2002 | 25/10/2006 | Dissolved |
| NEW TECHNOLOGY INSTITUTE THAMES VALLEY REGION | 04824418 | 25/11/2003 | 31/07/2004 | Dissolved |
| SOCIETY FOR THE PROMOTION OF ROMAN STUDIES(THE) | 00114442 | 04/06/2005 | 02/06/2018 | Silver |
| WESSEX ARCHAEOLOGY LIMITED | 01712772 | 31/08/1991 | 26/09/1994 | Bronze |