| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AEROSOL SYSTEMS COMPANY LIMITED | 05303144 | 02/12/2004 | Silver |
| BOOKHAM (ASC) PROPERTIES LIMITED | 12043385 | 11/06/2019 | Not Trading |
| CHALFONT ST GILES PROPERTIES LIMITED | 01027734 | 24/05/2005 | Gold |
| CHALFONT ST GILES PROPERTIES LIMITED | 01027734 | 25/05/2005 | Gold |
| HORSMONDEN STORAGE LLP | OC327858 | 25/03/2009 | Silver |
| JACKSON TRADING (PROPERTIES) LIMITED | 08214291 | 25/02/2015 | One Red Flag |
| JACKSON TRADING COMPANY PLC | 01834731 | 01/07/1993 | Silver |
| JAMES PATRICK FRAMES LTD | 09984288 | 03/02/2016 | Bronze |
| MILTON-LLOYD LIMITED | 01238310 | 27/06/2007 | Bronze |
| ROSE & HOLLIS LIMITED | 02322272 | 28/11/1992 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 25-27 BANKS ROAD LIMITED | 02889437 | 28/07/2017 | 15/04/2021 | Gold |
| H.D.M.C. (CONFERENCING) LIMITED | 04324726 | 12/12/2012 | 17/12/2015 | Silver |
| HARROW DISTRICT MASONIC COUNCIL LIMITED | 00456032 | 06/09/2010 | 17/12/2015 | Silver |
| MILTON-LLOYD (UK) LIMITED | 11148889 | 15/01/2018 | 15/10/2020 | Not Trading |
| SARAH JESSICA LTD | 07414949 | 21/10/2010 | 01/10/2013 | Dissolved |
| STAR VIRTUAL OFFICE AND RECEPTION SERVICES LIMITED | 08620648 | 23/07/2013 | 05/08/2013 | Dissolved |
| TAYLOR OF LONDON LIMITED | 07161400 | 16/09/2015 | 16/09/2015 | Gold |