| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALEXANDER CLAY | SC146017 | 01/07/2019 | Dissolved |
| AON ADJUDICATION SERVICES LIMITED | 00499779 | 02/07/2019 | Dissolved |
| AON ASSESSMENT (UK) LIMITED | 08512517 | 11/07/2024 | Amber |
| AON CONSULTING LIMITED | 03127195 | 22/08/2022 | Not Trading |
| AON FINANCE UK 4 LIMITED | 13071273 | 31/08/2022 | Gold |
| AON FINANCE UK 5 LIMITED | 14257170 | 26/07/2022 | N/A |
| AON GLOBAL HOLDINGS 1 LIMITED | 11061460 | 22/01/2019 | Insolvent |
| AON GLOBAL HOLDINGS 2 LIMITED | 11041195 | 27/11/2018 | Insolvent |
| AON HEWITT US HOLDINGS LIMITED | 08254990 | 27/11/2018 | Dissolved |
| AON OVERSEAS HOLDINGS LIMITED | 08159690 | 22/01/2019 | Bronze |
| AON POLAR UK 1 LIMITED | 15022642 | 24/07/2023 | Bronze |
| AON POLAR UK 2 LIMITED | 15207498 | 12/10/2023 | Bronze |
| AON POLAR UK 3 LIMITED | 15616708 | 04/04/2024 | Amber |
| AON RISK SERVICES (NI) LIMITED | R0000703 | 26/06/2023 | Dissolved |
| AON SOUTHERN EUROPE UK LIMITED | 10854701 | 27/11/2018 | Dissolved |
| AON TRUST CORPORATION LIMITED | 02677201 | 30/06/2024 | Insolvent |
| AON UK GROUP LIMITED | 02398246 | 26/09/2022 | Silver |
| AON UK HOLDINGS INTERMEDIARIES LIMITED | 04267675 | 16/09/2024 | Silver |
| AON UK HOLDINGS LIMITED | 06652620 | 16/09/2024 | Bronze |
| BACON & WOODROW PARTNERSHIPS LIMITED | 03207239 | 23/09/2022 | Silver |
| BANKASSURE INSURANCE SERVICES LIMITED | 00272745 | 02/07/2019 | Dissolved |
| BEAUBIEN FINANCE LIMITED | 09377800 | 30/06/2022 | Dissolved |
| BEAUBIEN UK FINANCE LIMITED | 09717041 | 24/01/2019 | Silver |
| BENTON FINANCE LIMITED | 09492244 | 30/06/2022 | Dissolved |
| CONTRACTSURE LIMITED | 04328146 | 29/02/2024 | Dissolved |
| HALL RHODES HOLDINGS LIMITED | 09084837 | 04/06/2019 | Dissolved |
| HALL RHODES LIMITED | 04108104 | 05/06/2019 | Dissolved |
| HARPENDEN SECONDARY EDUCATION TRUST | 09238779 | 13/11/2020 | Silver |
| HENDERSON INSURANCE BROKERS LIMITED | 01985767 | 29/02/2024 | Not Trading |
| HEWITT ASSOCIATES OUTSOURCING LIMITED | 05425795 | 02/07/2019 | Dissolved |
| JENNER FENTON SLADE LIMITED | 01493777 | 16/12/2019 | Dissolved |
| KRUMLIN HALL LIMITED | 05217102 | 18/12/2019 | Dissolved |
| MINET CONSULTANCY SERVICES LIMITED | 00563752 | 16/12/2019 | Dissolved |
| P. G. BRADLEY & CO. LIMITED | 04695572 | 04/06/2019 | Dissolved |
| PORTUS CONSULTING (LEAMINGTON) LIMITED | 04860908 | 21/06/2019 | Dissolved |
| UK CREDIT INSURANCE SPECIALISTS LIMITED | 01509108 | 18/12/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AON FINANCE UK 1 LIMITED | 12334648 | 26/11/2019 | 30/08/2022 | N/A |
| AON GLOBAL HOLDINGS INTERMEDIARIES LIMITED | 00688743 | 08/07/2019 | 15/11/2021 | Gold |