| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Abbey Secretarial Ltd | 01448027 | 10/02/1992 | Dissolved |
| Abbey Secretarial Ltd | 01448027 | 10/02/1992 | Dissolved |
| Abbots Management Services Ltd | 02129900 | 16/05/1991 | Dissolved |
| Associated Contractors Ltd | 03119155 | 27/10/1995 | Dissolved |
| Broomco (714) Ltd | 02877110 | 14/12/1993 | Dissolved |
| H H F Events Ltd | 03053918 | 05/05/1995 | Dissolved |
| Hillingdon Communications Ltd | 02765053 | 19/11/1992 | Dissolved |
| London Irish Radio Limited | 02450863 | 11/12/1991 | Dissolved |
| Longview Homes Ltd | 04356719 | 28/01/2002 | Dissolved |
| Rosebud Oxford Ltd | 06207394 | 10/04/2007 | Dissolved |
| Roseglen Developments Ltd | 05207834 | 10/09/2004 | Dissolved |
| Virtual Hotels Ltd | 03714001 | 29/02/2000 | Dissolved |
| Votel Ltd | 03731017 | 29/02/2000 | Dissolved |
| Westcross Estates Ltd | 03845065 | 28/09/1999 | Dissolved |
| safebridge Ltd | 01993837 | 15/07/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A S P Construction Ltd | 02713137 | 08/05/1992 | 01/06/1992 | Dissolved |
| ABBOTS (HARROW) LIMITED | 02684525 | 05/02/1992 | 12/12/2012 | Dissolved |
| AMPSAIL LIMITED | 08159185 | 27/07/2012 | 07/11/2012 | Insolvent |
| APEX SECURITY ENGINEERING LIMITED | 02727620 | 18/12/1992 | 13/12/1995 | Bronze |
| APEX SECURITY ENGINEERING LIMITED | 02727620 | 18/12/1992 | 13/12/1995 | Bronze |
| BUD FLANAGAN LEUKAEMIA FUND LIMITED | 04355397 | 16/08/2013 | 27/05/2015 | Silver |
| CLANBELL LIMITED | 04877674 | 05/09/2003 | 10/08/2004 | Dissolved |
| GRESLEY LIMITED | 04885221 | 05/09/2003 | 16/08/2004 | Dissolved |
| HAYES FM - FILM & MEDIA | 05159743 | 12/05/2014 | 02/07/2019 | Gold |
| HILLINGDON COMMUNITY TRUST | 04659199 | 13/07/2010 | 22/05/2019 | Dissolved |
| HILLINGDON MIND | 03009554 | 05/07/2006 | 15/05/2012 | Gold |
| JUDICIOUS CONSULTANTS LIMITED | 02166641 | 14/05/1991 | 22/05/2019 | Dissolved |
| Middlesex Show Ltd | 02681550 | 27/01/1993 | 17/12/1999 | Dissolved |
| REACH ACTIVE LIMITED | 04935751 | 17/10/2003 | 16/03/2004 | One Red Flag |
| Riverscene Developers Ltd | 03627029 | 04/09/1998 | 13/06/1999 | Dissolved |
| S.A.G. POWER CONSULTANTS LIMITED | 04992926 | 11/12/2003 | 16/03/2004 | Dissolved |
| U K Civil Engineering Ltd | 03232089 | 16/08/1996 | 04/10/1996 | Dissolved |
| WILSON HAWKINS LIMITED | 02461573 | 22/01/1992 | 08/04/2003 | Dissolved |