| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| C J BRANDON LTD | 07209933 | 31/03/2010 | Dissolved |
| MARY ROSE TRUST(THE) | 01415654 | 28/06/2013 | Silver |
| OAKSHADE ROAD MANAGEMENT LIMITED | 03577596 | 01/12/2004 | Dissolved |
| OAKSHADE ROAD MANAGEMENT LIMITED | 03577596 | 01/12/2004 | Dissolved |
| PRINGLE BRANDON DEVELOPMENTS LIMITED | 03680722 | 09/12/1998 | Dissolved |
| Powell Moya Ltd | 03292507 | 05/02/1997 | Dissolved |
| Pringle Brandon Botschi Ltd | 03489026 | 28/01/1998 | Dissolved |
| Pringle Brandon Consulting Ltd | 03842543 | 16/09/1999 | Dissolved |
| THE PB PARTNERSHIP LLP | OC312307 | 01/07/2010 | Dissolved |
| THE PBD PARTNERSHIP LLP | OC358651 | 13/10/2010 | Dissolved |
| THE SOCIETY FOR NAUTICAL RESEARCH | 02848095 | 15/06/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| NAUTICAL ARCHAEOLOGY SOCIETY(THE) | 01039270 | 06/05/1992 | 29/04/1995 | Silver |
| PERKINS + WILL UK, LIMITED | 05961514 | 30/10/2012 | 30/09/2020 | One Red Flag |
| THE MARY ROSE ARCHAEOLOGICAL SERVICES LTD | 03131273 | 25/10/2013 | 01/04/2024 | Bronze |
| THE PB PARTNERSHIP LLP | OC312307 | 18/03/2005 | 01/07/2010 | Dissolved |
| WIRED ARCHITECTS LIMITED | 06829496 | 25/02/2009 | 30/06/2012 | Dissolved |