| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Emss (U K) Ltd | 02730214 | 27/05/1998 | Dissolved |
| Engineering Insurance Services Ltd | 01763485 | 18/06/1992 | Dissolved |
| Engineering Plant Inspections Ltd | 02736984 | 28/04/2000 | Dissolved |
| GLOBAL COVER MANAGEMENT LIMITED | 07685727 | 28/06/2011 | Not Trading |
| Haughton Engineering Insurance Services Ltd | 01262000 | 18/06/1992 | Dissolved |
| Haughton Underwriting Services Ltd. | 02049613 | 18/06/1992 | Dissolved |
| Hsb Haughton (Ireland) Ltd | 03031478 | 27/05/1998 | Dissolved |
| Lyne Investments Ltd | 02810762 | 25/04/1995 | Dissolved |
| Olivia Underwriting Management Ltd | 06916046 | 27/05/2009 | Dissolved |
| TRAFALGAR RISK MANAGEMENT LIMITED | 03876370 | 29/02/2016 | Silver |
| TRAFALGAR SOFTWARE SOLUTIONS LIMITED | 07421870 | 28/10/2010 | Dissolved |
| VICTORIA UNDERWRITING LIMITED | 08140097 | 12/07/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENSURANCE UK LIMITED | 10323652 | 01/11/2018 | 10/03/2023 | Bronze |
| GENESIS SPECIAL RISKS LTD | 01952005 | 01/03/2016 | 01/06/2022 | Silver |
| GLOBE UNDERWRITING LIMITED | 06917482 | 28/05/2009 | 02/06/2010 | Bronze |
| HARTFORD STEAM BOILER UK LIMITED | 02708264 | 27/05/1998 | 18/02/2008 | Amber |
| HSB ENGINEERING INSURANCE LIMITED | 02396114 | 29/03/2004 | 18/02/2008 | Silver |
| HSB ENGINEERING INSURANCE SERVICES LIMITED | 03010292 | 25/04/1995 | 18/02/2008 | Amber |
| Knightstone Syndicate Management Ltd | 02252689 | 26/06/1992 | 22/02/1994 | Dissolved |
| OLIVA UNDERWRITING LIMITED | 06539689 | 19/03/2008 | 11/06/2009 | Dissolved |
| SAFETY ASSESSMENT FEDERATION LIMITED | 03078710 | 29/07/2003 | 22/11/2007 | Silver |
| SAFETY ASSESSMENT FEDERATION LIMITED | 03078710 | 02/09/1997 | 22/11/2007 | Silver |