| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BARTS CHARITY | 07168381 | 01/01/2023 | Bronze |
| SPIRAX GROUP PLC | 00596337 | 11/09/2020 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHROMALOX (UK) LIMITED | 04325451 | 11/09/2020 | 01/04/2022 | One Red Flag |
| GESTRA HOLDINGS LIMITED | 11612492 | 11/09/2020 | 20/01/2023 | Amber |
| GESTRA UK LIMITED | 10639879 | 11/09/2020 | 24/05/2022 | Gold |
| HEAT HOLDING (UK) LIMITED | 04325456 | 11/09/2020 | 28/10/2022 | Not Trading |
| SARCO LIMITED | 00969972 | 11/09/2020 | 20/01/2023 | Not Trading |
| SARCO THERMOSTATS LIMITED | 00327758 | 11/09/2020 | 20/01/2023 | Not Trading |
| SPIRAX MANUFACTURING COMPANY LIMITED | 00261886 | 11/09/2020 | 20/01/2023 | Not Trading |
| SPIRAX-SARCO AMERICA INVESTMENTS LIMITED | 11639451 | 11/09/2020 | 20/01/2023 | Silver |
| SPIRAX-SARCO AMERICA LIMITED | 07829847 | 11/09/2020 | 04/01/2023 | Silver |
| SPIRAX-SARCO ENGINEERING B.V. | FC023730 | 11/09/2020 | 20/11/2023 | Amber |
| SPIRAX-SARCO EUROPE LIMITED | 01391602 | 11/09/2020 | 20/01/2023 | Not Trading |
| SPIRAX-SARCO INTERNATIONAL LIMITED | 01391806 | 11/09/2020 | 20/01/2023 | Not Trading |
| SPIRAX-SARCO INVESTMENTS B.V. | FC023729 | 11/09/2020 | 20/11/2023 | Amber |
| SPIRAX-SARCO INVESTMENTS LIMITED | 00100995 | 11/09/2020 | 20/01/2023 | Silver |
| SPIRAX-SARCO LIMITED | 00509018 | 11/09/2020 | 17/05/2022 | Silver |
| SPIRAX-SARCO OVERSEAS LIMITED | 01472201 | 11/09/2020 | 26/05/2022 | Bronze |
| WATSON-MARLOW LIMITED | 02481019 | 11/09/2020 | 17/03/2023 | Silver |