| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Airport Group Luton Ltd | 03513222 | 20/09/1999 | Dissolved |
| BLUEZED LIMITED | 11720483 | 10/12/2018 | Not Trading |
| CHARLESTON ENTERPRISES LIMITED | 02203968 | 05/07/2022 | Silver |
| CHARLESTON LEWES LIMITED | 14453457 | 31/10/2022 | Silver |
| City House (Dundee) Ltd | 02550975 | 18/03/1996 | Dissolved |
| Glenfinch Ltd | 02873154 | 18/03/1996 | Dissolved |
| Jewelmace Ltd | 02632092 | 18/03/1996 | Dissolved |
| M C 19 Ltd | 03691849 | 29/03/1999 | Dissolved |
| Overgate Centre Ltd | 02389880 | 18/03/1996 | Dissolved |
| SHOBANA JEYASINGH DANCE COMPANY | 02565503 | 26/11/2014 | Silver |
| St Mellons Business Park Management Company Limited | 02326817 | 31/07/1998 | Dissolved |
| THE CHARLESTON TRUST (BLOOMSBURY IN SUSSEX) | 05212725 | 05/10/2018 | Silver |
| Tbi Assessment Systems Ltd | 04935011 | 21/10/2003 | Dissolved |
| Tbi Quest Ltd | 03567531 | 04/06/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELFAST INTERNATIONAL AIRPORT HOLDINGS LIMITED | 02927853 | 06/09/1996 | 30/06/2005 | Dissolved |
| CARDIFF INTERNATIONAL AIRPORT LIMITED | 02076096 | 30/07/1996 | 30/06/2005 | Amber |
| CONNAUGHT PLC | 03184319 | 01/09/2006 | 11/11/2010 | Dissolved |
| LLAG INVESTORS (UK) LIMITED | 03546978 | 02/12/2004 | 30/06/2005 | Dissolved |
| LONDON LUTON AIRPORT GROUP LIMITED | 03491191 | 19/04/2001 | 30/06/2005 | Gold |
| LONDON LUTON AIRPORT OPERATIONS LIMITED | 03491213 | 05/04/2005 | 30/06/2005 | Silver |
| MB121 LIMITED | 03440896 | 02/01/1998 | 30/06/2005 | Dissolved |
| SCT ENTERPRISES LTD. | 03137515 | 27/10/2010 | 27/01/2021 | Silver |
| SUMMERHILL PROPERTIES LIMITED | 03454201 | 11/11/1997 | 30/06/2005 | Insolvent |
| TBI AIRPORT HOLDINGS LIMITED | 03023367 | 16/10/1995 | 30/06/2005 | Dissolved |
| TBI AVIATION LIMITED | 03276152 | 09/12/1996 | 30/06/2005 | Dissolved |
| TBI FINANCE LIMITED | 02868670 | 18/03/1996 | 30/06/2005 | Dissolved |
| TBI FINANCIAL INVESTMENTS LIMITED | SC237380 | 28/07/2003 | 30/06/2005 | Dissolved |
| TBI INTERNATIONAL AIRPORTS LIMITED | 03691837 | 29/03/1999 | 30/06/2005 | Dissolved |
| TBI LIMITED | 01064763 | 16/10/1995 | 30/06/2005 | Dissolved |
| Tbi (Global) Ltd | 03068039 | 01/12/1995 | 30/06/2005 | Dissolved |
| Tbi Global (Business Travel) Ltd | 03068042 | 16/10/1995 | 30/06/2005 | Dissolved |