| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AON CONSULTING (BENEFITS) HOLDINGS LIMITED | 07415404 | 23/08/2016 | Dissolved |
| AON CONSULTING (BENEFITS) LIMITED | 04301069 | 23/08/2016 | Dissolved |
| AON CONSULTING (PENSIONS) LIMITED | 08922458 | 23/08/2016 | Dissolved |
| AON GLOBAL HOLDINGS 3 LIMITED | 11040921 | 31/10/2017 | Dissolved |
| AON KLOUD LIMITED | 07243138 | 20/09/2016 | Dissolved |
| BACON & WOODROW LIMITED | 03033316 | 20/09/2016 | Dissolved |
| BENFIELD GREIG HOLDINGS LIMITED | 02673231 | 09/08/2011 | Dissolved |
| HEWITT ASSOCIATES OUTSOURCING SERVICES LIMITED | 00934641 | 07/10/2011 | Dissolved |
| SCORPIO PARTNERSHIP LIMITED | 03581658 | 23/09/2016 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AON CONSULTING FINANCIAL SERVICES LIMITED | 00488016 | 20/09/2016 | 28/06/2019 | Not Trading |
| AON DELTA UK LIMITED | 08818124 | 17/12/2013 | 28/06/2019 | Dissolved |
| AON GLOBAL HOLDINGS 1 LIMITED | 11061460 | 13/11/2017 | 28/06/2019 | Insolvent |
| AON GLOBAL HOLDINGS 2 LIMITED | 11041195 | 01/11/2017 | 28/06/2019 | Insolvent |
| AON GLOBAL HOLDINGS INTERMEDIARIES LIMITED | 00688743 | 09/08/2011 | 28/06/2019 | Gold |
| AON HOLDINGS LIMITED | 02265140 | 09/08/2011 | 28/06/2019 | Gold |
| AON INVESTMENTS EUROPE LIMITED | 02316174 | 09/08/2011 | 28/06/2019 | Dissolved |
| AON OVERSEAS HOLDINGS LIMITED | 08159690 | 22/01/2019 | 28/06/2019 | Bronze |
| AON SOUTHERN EUROPE UK LIMITED | 10854701 | 07/07/2017 | 28/06/2019 | Dissolved |
| AON UK GROUP LIMITED | 02398246 | 24/01/2019 | 28/06/2019 | Silver |
| AON UK HOLDINGS INTERMEDIARIES LIMITED | 04267675 | 24/01/2019 | 28/06/2019 | Silver |
| AON UK HOLDINGS LIMITED | 06652620 | 24/01/2019 | 28/06/2019 | Bronze |
| BANKASSURE INSURANCE SERVICES LIMITED | 00272745 | 09/08/2011 | 19/06/2019 | Dissolved |
| BEAUBIEN UK FINANCE LIMITED | 09717041 | 04/08/2015 | 28/06/2019 | Silver |
| COSEC 2000 LIMITED | 03127178 | 09/08/2011 | 28/06/2019 | Not Trading |
| DOVELAND SERVICES LIMITED | 02248745 | 09/08/2011 | 28/06/2019 | Dissolved |
| E. W. BLANCH HOLDINGS LIMITED | 02345331 | 09/08/2011 | 28/06/2019 | Dissolved |
| INTERNATIONAL SPACE BROKERS EUROPE LIMITED | 00716928 | 09/08/2011 | 28/06/2019 | Insolvent |
| INTERNATIONAL SPACE BROKERS LIMITED | 01891821 | 09/08/2011 | 28/06/2019 | Insolvent |
| JENNER FENTON SLADE LIMITED | 01493777 | 09/08/2011 | 28/06/2019 | Dissolved |
| MINET CONSULTANCY SERVICES LIMITED | 00563752 | 20/09/2016 | 28/06/2019 | Dissolved |
| MINET GROUP | 00637877 | 09/08/2011 | 28/06/2019 | Gold |
| NBS NOMINEES LIMITED | 02332238 | 24/01/2019 | 28/06/2019 | Dissolved |
| RASINI VIGANO LIMITED | 02145557 | 24/01/2019 | 28/06/2019 | Dissolved |
| THE AON MASTERTRUSTEE LIMITED | 09871789 | 13/11/2015 | 30/09/2016 | Gold |