| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACE LONDON LIMITED | 10738926 | 25/04/2017 | Silver |
| ACE PEOPLE LIMITED | 11187117 | 05/02/2018 | Gold |
| ASHPARK SPECIALTY LTD | 12733032 | 08/11/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALURA CANDLES LIMITED | 04144675 | 19/01/2001 | 29/12/2015 | Gold |
| ARGO (NO. 617) LIMITED | 04430075 | 11/07/2002 | 16/11/2006 | One Red Flag |
| ARGO MANAGEMENT HOLDINGS LIMITED | 04353804 | 15/05/2002 | 09/11/2006 | Dissolved |
| Ashley Palmer Ltd | 03128157 | 23/01/1997 | 20/10/2000 | Dissolved |
| Ashley Palmer Syndicates Ltd | 01327430 | 03/06/1996 | 20/10/2000 | Dissolved |
| Delphglade Ltd | 03618732 | 01/01/2000 | 20/10/2000 | Dissolved |
| HAMILTON CORPORATE MEMBER IV LIMITED | 07041930 | 14/10/2009 | 09/05/2017 | Silver |
| HAMILTON MANAGING AGENCY LIMITED | 05832065 | 09/09/2008 | 11/05/2017 | Gold |
| INNOVISK (UK) LIMITED | 03626898 | 04/03/2015 | 07/06/2017 | Silver |
| IRONSHORE AGENCY LTD | 06797814 | 21/01/2009 | 11/05/2017 | Amber |
| IRONSHORE CC (TWO) LIMITED | 07042031 | 14/10/2009 | 09/05/2017 | Amber |
| IRONSHORE INTERNATIONAL LIMITED | 06528705 | 04/08/2008 | 02/12/2008 | Silver |
| IRONSHORE INTERNATIONAL LIMITED | 06528705 | 30/06/2008 | 09/05/2017 | Silver |
| LIBERTY CORPORATE CAPITAL (TWO) LTD | 06630334 | 30/06/2008 | 09/05/2017 | Bronze |
| PEMBROKE JV LIMITED | 05935938 | 09/09/2008 | 09/05/2017 | Dissolved |
| TRAVELERS SYNDICATE MANAGEMENT LIMITED | 03207530 | 20/01/1999 | 31/12/1999 | Gold |
| WESTFIELD SPECIALTY CAPITAL, (NO. 616) LTD | 04327891 | 14/12/2001 | 16/11/2006 | Silver |
| WESTFIELD SPECIALTY DIRECT, LTD | 04019569 | 26/04/2001 | 21/02/2006 | Silver |
| WESTFIELD SPECIALTY LTD | 03741768 | 17/04/2001 | 31/08/2004 | Silver |
| WESTFIELD SPECIALTY MANAGEMENT SERVICES, LTD | 03795969 | 23/05/2003 | 09/11/2006 | One Red Flag |
| WESTFIELD SPECIALTY MANAGING AGENCY LTD | 03768610 | 17/04/2001 | 09/11/2006 | Gold |