| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BCE PROPERTIES LIMITED | 10990980 | 02/10/2017 | Gold |
| CONSTELLATION SOFTWARE UK HOLDCO LTD | 09206065 | 05/09/2014 | Silver |
| FINGLOW LIMITED | 01623997 | 17/06/2019 | Silver |
| FINGLOW RESEARCH LIMITED | 02062374 | 17/06/2019 | Dissolved |
| FURLONG BUSINESS SOLUTIONS LIMITED | 04879660 | 31/08/2017 | Bronze |
| FURLONG HOLDINGS LIMITED | 06551554 | 31/08/2017 | Dissolved |
| TRAPEZE ITS U.K. LTD | 06960657 | 01/01/2023 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| SIGNATURE RAIL LIMITED | 02484158 | 10/03/2022 | 01/01/2023 | Bronze |
| TARANTO SYSTEMS LIMITED | 12920661 | 01/10/2020 | 01/01/2023 | Amber |
| TRAPEZE GROUP (UK) LIMITED | 04160790 | 18/07/2018 | 27/04/2021 | Bronze |
| TRAPEZE ITS U.K. LTD | 06960657 | 18/07/2018 | 04/11/2020 | Silver |
| TTG TECHNOLOGY (EUROPE) LIMITED | 07206481 | 31/01/2021 | 01/01/2023 | Bronze |