| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HACKNEY EMPIRE LTD | 02060996 | 03/12/2019 | Silver |
| RICHMOND THEATRE MANAGEMENT LIMITED | 02302724 | 20/01/2017 | Dissolved |
| THE RICHMOND THEATRE TRUST LIMITED | 02381891 | 06/10/2010 | Gold |
| TRAFALGAR ENTERTAINMENT TRUST | 07739274 | 02/12/2022 | Silver |
| WIMBLEDON THEATRE PRODUCTIONS LIMITED | 04653759 | 26/04/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ATG FOUNDATION | 06704951 | 23/09/2008 | 27/11/2017 | Dissolved |
| CIP GROUP LIMITED | 03548682 | 18/09/2003 | 14/01/2007 | Dissolved |
| CREATIVE ACTION HOUNSLOW LIMITED | 03548649 | 18/09/2003 | 14/01/2007 | Dissolved |
| HEADLONG THEATRE LIMITED | 01171757 | 04/04/1997 | 22/11/2001 | Silver |
| HOUNSLOW SPORT AND RECREATION SERVICES | 03548697 | 18/09/2003 | 14/01/2007 | Dissolved |
| INSPIRE HOUNSLOW | 03548669 | 18/09/2003 | 14/01/2007 | One Red Flag |
| RICHMOND THEATRE PRODUCTIONS LIMITED | 04230762 | 16/07/2001 | 27/11/2006 | Dissolved |
| TALAWA THEATRE COMPANY LIMITED | 02005971 | 16/01/1997 | 18/11/1998 | Silver |
| THE TOURING PARTNERSHIP LIMITED | 02834961 | 10/02/1999 | 31/05/2006 | Silver |
| UK THEATRE ASSOCIATION | 00323204 | 09/12/2010 | 28/01/2015 | One Red Flag |
| WATERMILL THEATRE LIMITED | 00978279 | 17/05/2008 | 25/11/2017 | Bronze |