| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Corporate Underwriting Research Ltd | 02870825 | 10/11/1993 | Dissolved |
| IFR DRONES LTD | 09426291 | 02/04/2024 | Silver |
| NORTHIAM LIMITED | 07572786 | 22/03/2011 | Dissolved |
| ONYX BROKERS HOLDINGS LIMITED | 11809180 | 06/02/2019 | Not Trading |
| ONYX INS COMPANY LIMITED | 11812105 | 07/02/2019 | Not Trading |
| Rqs One Ltd | 03115068 | 30/10/1996 | Dissolved |
| Rqs One Ltd | 03115068 | 31/10/1995 | Dissolved |
| Rqs Two Ltd | 03115071 | 31/10/1996 | Dissolved |
| Rqs Two Ltd | 03115071 | 31/10/1995 | Dissolved |
| Rubicon Underwriting Agency Ltd | 03114922 | 31/10/1995 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BERKELEY HARVINGTON LIMITED | 03437743 | 19/12/1997 | 16/04/1999 | Dissolved |
| Challenger Insurance Services Ltd | 02328678 | 01/11/1996 | 06/11/2000 | Dissolved |
| IAG FINANCE (UK) LLP | OC325081 | 01/05/2008 | 01/05/2008 | Dissolved |
| LANCASHIRE SYNDICATES LIMITED | 00292093 | 01/07/1999 | 09/11/2000 | Gold |
| LANCASHIRE SYNDICATES LIMITED | 00292093 | 01/01/1995 | 28/10/1996 | Gold |
| ONYX INSURANCE BROKERS LIMITED | 07839702 | 11/04/2018 | 28/04/2020 | Gold |
| Rome,C W,(Underwriting Agency) Ltd | 01405310 | 26/07/1993 | 13/08/1997 | Dissolved |
| THE UNDERWRITING EXCHANGE LIMITED | 07126381 | 05/08/2016 | 31/08/2020 | One Red Flag |
| Z Insurance Management Ltd | 03805632 | 17/02/2003 | 07/04/2004 | Dissolved |