| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A.E. GRANT (UNDERWRITING AGENCIES) LIMITED | 02578471 | 31/05/2010 | Dissolved |
| Collins (Life & Pensions) Ltd | 03757589 | 01/07/1999 | Dissolved |
| Corporate Realisations No. 2 Ltd | 01657356 | 15/11/1991 | Dissolved |
| Grange Psc Consultancy Ltd | 04304917 | 08/11/2001 | Dissolved |
| Greenly Information & Financial Services Ltd | 02054203 | 15/11/1991 | Dissolved |
| HOLDCOTEMP1234 LIMITED | 15238525 | 26/10/2023 | Insolvent |
| ICP CAPITAL LIMITED | 05484332 | 20/06/2012 | Silver |
| ICP GENERAL PARTNER LIMITED | 02948671 | 21/06/2012 | Gold |
| ICP GROUP HOLDINGS LIMITED | 15236117 | 25/10/2023 | Bronze |
| ICP HOLDINGS LIMITED | 05894352 | 21/06/2012 | Silver |
| ICP MZ INVESTMENTS LIMITED | 15236135 | 25/10/2023 | Bronze |
| SISTERCOTEMP1234 LIMITED | 15275987 | 10/11/2023 | Bronze |
| Tool Technique Ltd | 02131067 | 27/04/1992 | Dissolved |
| Tri Premier Services Ltd | 03755276 | 20/04/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A K C Holdings Ltd | 01972738 | 23/11/1991 | 27/11/1992 | Dissolved |
| A K C Holdings Ltd | 01972738 | 23/11/1991 | 16/09/1997 | Dissolved |
| A.E. GRANT (UNDERWRITING AGENCIES) LIMITED | 02578471 | 06/06/2007 | 31/05/2010 | Dissolved |
| Archer Group Services Ltd | 01895591 | 09/12/1992 | 16/09/1997 | Dissolved |
| BLAIR UNDERWRITING LIMITED | 03800934 | 04/07/2012 | 01/05/2015 | Dissolved |
| BOWMAN LOSS ADJUSTERS LIMITED | 02471304 | 20/01/1994 | 16/09/1997 | Dissolved |
| CANOPIUS SERVICES LIMITED | 02733994 | 24/09/1993 | 16/09/1997 | Silver |
| CAPITA SYNDICATE MANAGEMENT LIMITED | 01154315 | 07/11/1991 | 27/11/1992 | Dissolved |
| CASTELL UNDERWRITING LIMITED | 03632949 | 04/07/2012 | 01/05/2015 | Dissolved |
| Castle Underwriting Holdings Ltd | 01708524 | 09/12/1996 | 16/09/1997 | Dissolved |
| Cornwell & Holliday (Underwriting Management) Ltd | 01281026 | 08/11/1991 | 27/11/1992 | Dissolved |
| Corporate Realisations No. 2 Ltd | 01657356 | 15/11/1991 | 27/11/1992 | Dissolved |
| DAVID SCOTT UNDERWRITING LIMITED | 03637837 | 21/06/2012 | 21/03/2017 | Dissolved |
| GRACECHURCH UTG NO. 405 LIMITED | 06040406 | 03/01/2007 | 30/06/2011 | Dissolved |
| GREENLY UNDERWRITING AGENCIES LIMITED | 01020481 | 27/12/1991 | 27/11/1992 | Insolvent |
| GREENLY UNDERWRITING AGENCIES LIMITED | 01020481 | 27/12/1991 | 01/04/1994 | Insolvent |
| Glover,R L,& Co (Underwriting Agents) Ltd | 00542474 | 07/11/1991 | 27/11/1992 | Dissolved |
| Greenly Information & Financial Services Ltd | 02054203 | 15/11/1991 | 27/11/1992 | Dissolved |
| Halford Motor Insurance Services Ltd | 01938332 | 09/12/1996 | 16/09/1997 | Dissolved |
| LGMC INVESTORS LLP | OC326014 | 16/02/2007 | 31/12/2012 | Dissolved |
| MANYPETS LTD | 07886430 | 13/10/2015 | 26/10/2016 | One Red Flag |
| NAMECO (NO. 921) LIMITED | 05832738 | 21/06/2012 | 21/03/2017 | Dissolved |
| OMEGA UNDERWRITING AGENTS LIMITED | 03437356 | 14/01/1998 | 30/09/1999 | Gold |
| OMEGA UNDERWRITING HOLDINGS LIMITED | 03437588 | 14/01/1998 | 31/08/1999 | Gold |
| OMEGA UNDERWRITING HOLDINGS LIMITED | 03437588 | 14/01/1998 | 30/09/1999 | Gold |
| POLO MANAGING AGENCY LIMITED | 03935227 | 07/04/2004 | 03/06/2010 | Gold |
| RUDYCO LIMITED | 03639955 | 04/07/2012 | 01/05/2015 | Dissolved |
| Ron Smith (Insurance Brokers) Ltd | 03757576 | 01/07/1999 | 01/12/1999 | Dissolved |
| Surveyors Direct Ltd | 02398764 | 09/12/1996 | 16/09/1997 | Dissolved |
| TRENWICK UK LIMITED | 02186145 | 05/02/1993 | 16/09/1997 | Not Trading |
| TRENWICK UNDERWRITING LIMITED | 02549227 | 09/12/1996 | 16/09/1997 | Bronze |
| Theorem Holdings Ltd | 02555231 | 09/12/1996 | 16/09/1997 | Dissolved |
| Williams Kellett & Co Ltd | 01829207 | 01/12/1991 | 27/11/1992 | Dissolved |