| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRANLEIGH VILLAGE HEALTH TRUST | 04253074 | 03/03/2020 | Silver |
| P A L Realisations Ltd | SC096635 | 12/02/1992 | Dissolved |
| THAMES SKILLS ACADEMY LIMITED | 10017302 | 20/02/2016 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIR PARTNER LIMITED | 00980675 | 01/01/2005 | 28/06/2017 | Silver |
| AIRPORT OPERATORS ASSOCIATION LTD. | 01041754 | 02/03/1994 | 05/07/2001 | Bronze |
| ASHFORD INVESTOR (GENERAL PARTNER) LIMITED | 04139737 | 01/02/2001 | 26/03/2001 | Bronze |
| Airports International Ltd | 01982915 | 10/08/1991 | 31/05/2001 | Dissolved |
| BAA GENERAL PARTNER LIMITED | 03640482 | 25/09/1998 | 31/05/2001 | Dissolved |
| BAA HOTELS LIMITED | 01988471 | 05/08/1999 | 31/05/2001 | Dissolved |
| BAA INTERNATIONAL LIMITED | 02423041 | 10/08/1991 | 19/02/1992 | Dissolved |
| BAA PARTNERSHIP LIMITED | 03631051 | 25/09/1998 | 31/05/2001 | Not Trading |
| BAA PENSION TRUST COMPANY LIMITED | 02379458 | 01/04/1997 | 01/06/2001 | Not Trading |
| BAA PROPERTIES LIMITED | 03754671 | 20/04/1999 | 31/05/2001 | Dissolved |
| BELFAST HARBOUR PENSION FUND LIMITED | NI006218 | 01/11/2017 | 01/03/2019 | Silver |
| BLUE WATERS MANAGEMENT LTD. | 03588580 | 01/03/2008 | 04/10/2024 | Gold |
| Baa 21ST Century Communities Trust (Trading) Ltd | 03494243 | 16/01/1998 | 31/05/2001 | Dissolved |
| Baa Security Ltd | 03316403 | 11/02/1997 | 31/05/2001 | Dissolved |
| Baa Trust Co Ltd | 01989430 | 10/08/1991 | 31/05/2001 | Dissolved |
| Discovery Inns Ltd | 02699064 | 16/10/1996 | 12/05/1997 | Dissolved |
| ESTUARY SERVICES LIMITED | 02262789 | 04/01/2005 | 26/03/2014 | Silver |
| Eastleigh Airport Ltd | 02432584 | 16/10/1991 | 31/05/2001 | Dissolved |
| HEATHROW ENTERPRISES LIMITED | 02767216 | 27/11/1992 | 31/05/2001 | Silver |
| HEATHROW EXPRESS OPERATING COMPANY LIMITED | 03145133 | 10/06/1996 | 28/04/1999 | Silver |
| KNOWLE NURSERY SCHOOL LIMITED | 08494443 | 18/04/2013 | 24/07/2013 | Silver |
| LHR AIRPORTS LIMITED | 01970855 | 13/08/1991 | 31/05/2001 | Silver |
| LHR BUILDING CONTROL SERVICES LIMITED | 03316215 | 11/02/1997 | 04/05/2000 | Silver |
| LHR BUSINESS SUPPORT CENTRE LIMITED | 03065139 | 19/09/1995 | 26/10/1999 | Silver |
| NATS (EN ROUTE) PUBLIC LIMITED COMPANY | 04129273 | 26/07/2001 | 18/06/2004 | Silver |
| NATS (SERVICES) LIMITED | 04129270 | 26/07/2001 | 18/06/2004 | Silver |
| NATS HOLDINGS LIMITED | 04138218 | 26/07/2001 | 18/06/2004 | Silver |
| NATS LIMITED | 03155567 | 26/07/2001 | 18/06/2004 | Silver |
| PORT OF LONDON PROPERTIES LIMITED | 01681053 | 01/01/2005 | 28/03/2014 | Dissolved |
| Southampton Airport Ltd | 03726085 | 03/03/1999 | 31/05/2001 | Dissolved |
| THAMES21 LIMITED | 04985828 | 14/06/2007 | 14/06/2014 | Gold |
| THE UNITED KINGDOM MAJOR PORTS GROUP LIMITED | 02787097 | 05/01/2005 | 05/04/2014 | Bronze |