| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CATHOLIC CHILDRENS' SOCIETY (WESTMINSTER)(THE) | 00085235 | 14/10/2008 | Silver |
| COLLOQUIUM (CATEW) LIMITED | 04735081 | 17/07/2003 | Silver |
| DESIGN CHANGES LIVES LIMITED | 11655911 | 02/11/2018 | Not Trading |
| Diocese of Westminster Building Services Ltd | 02596246 | 26/04/1991 | Dissolved |
| Diocese of Westminster Building Services Ltd | 02596246 | 26/04/1991 | Dissolved |
| Homeless Aid Ltd. | 02951444 | 15/08/1994 | Dissolved |
| KLC PROPERTIES LIMITED | 02101515 | 20/03/1991 | Silver |
| PEMBROKE GARDENS CLOSE MANAGEMENT COMPANY LIMITED | 03269756 | 23/09/2004 | Amber |
| Settlement of The Holy Child. | 00164984 | 18/03/1993 | Dissolved |
| St Thomas More Centre | 01902422 | 26/01/1995 | Dissolved |
| THE PAPAL VISIT 2010 LTD | 07258059 | 19/05/2010 | Dissolved |
| THE PAPAL VISIT LTD | 07257725 | 18/05/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Airlife Publishing Ltd | 01243353 | 11/09/1991 | 22/01/2001 | Dissolved |
| CATHOLIC TRUST FOR ENGLAND AND WALES | 04734592 | 09/07/2014 | 25/06/2024 | Silver |
| CHARLES LETTS (HOLDINGS) LIMITED | 00386906 | 07/11/1992 | 25/04/1994 | Not Trading |
| CHARLES LETTS GROUP LIMITED | SC147317 | 20/12/1993 | 25/04/1994 | Not Trading |
| KLC LIMITED | 04278714 | 30/08/2001 | 31/07/2021 | Not Trading |
| LIVESEY,LIMITED | 00068522 | 27/05/1999 | 31/01/2004 | Dissolved |
| Powlring Underwater Agency Ltd | 02084884 | 01/07/1991 | 16/10/1995 | Dissolved |
| Smarter Direct Marketing Ltd | 04145260 | 22/01/2001 | 22/07/2002 | Dissolved |
| THE CATHOLIC EDUCATION COMPANY LTD | 04477212 | 10/08/2002 | 26/09/2008 | Dissolved |
| Til Occam Ltd | 02317735 | 15/11/1991 | 31/07/1998 | Dissolved |
| WALSINGHAM TRUST | 11655451 | 22/03/2019 | 22/09/2023 | One Red Flag |
| WESTMINSTER CATHEDRAL LIMITED | 02784481 | 10/02/1993 | 30/06/2007 | Bronze |
| WESTMINSTER CATHEDRAL LIMITED | 02784481 | 10/02/1993 | 29/06/2007 | Bronze |
| WESTMINSTER ROMAN CATHOLIC DIOCESE TRUSTEE(THE) | 00361703 | 20/09/2001 | 30/06/2007 | Amber |
| WOKING GOLF CLUB ESTATES LIMITED | 00071601 | 20/05/2018 | 14/06/2020 | Silver |