| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CARBITZ OTLEY LIMITED | 01865677 | 01/02/2019 | Dissolved |
| COMMS DESIGN LIMITED | 05057797 | 30/10/2020 | Gold |
| DORMAN TRAFFIC PRODUCTS LIMITED | 00169770 | 01/02/2019 | Not Trading |
| EW (HOLDINGS) LIMITED | 01829526 | 01/02/2019 | Not Trading |
| GRESTY ROAD 2005 HOLDINGS LIMITED | 03227242 | 01/02/2019 | Dissolved |
| GRESTY ROAD SUPPLIES LIMITED | 03204642 | 01/02/2019 | Dissolved |
| HCSU10 LIMITED | 04256281 | 01/02/2019 | Dissolved |
| HCSU13 LIMITED | 00968558 | 01/02/2019 | Dissolved |
| HCSU16 LIMITED | 00084780 | 01/02/2019 | Not Trading |
| INSTRUMENTEL LIMITED | 04325633 | 01/02/2019 | Amber |
| KEY FASTENERS LIMITED | 05192005 | 01/02/2019 | Not Trading |
| LGUA15 LIMITED | 07237778 | 01/02/2019 | Dissolved |
| LGUA17 LIMITED | 00631916 | 01/02/2019 | Gold |
| LGUA18 LIMITED | 05729676 | 01/02/2019 | Dissolved |
| METLASE LIMITED | 09462667 | 30/06/2023 | One Red Flag |
| PARK SIGNALLING LIMITED | 03895736 | 01/02/2019 | Silver |
| PARTCO LIMITED | 03504833 | 01/02/2019 | Dissolved |
| RAILPART (UK) LIMITED | 03294017 | 01/02/2019 | Not Trading |
| SAMUEL JAMES ENGINEERING LIMITED | 02869043 | 01/02/2019 | Amber |
| SECURA - CAM (U. K.) LTD | 01865682 | 01/02/2019 | Dissolved |
| SERCK LIMITED | 00157062 | 01/02/2019 | Not Trading |
| SERCK SERVICES UK LIMITED | 11711304 | 13/10/2020 | Bronze |
| TRUCK & TRAILER COMPONENTS LIMITED | 01865675 | 01/02/2019 | Dissolved |
| TRUCKPARTS LIMITED | 03504840 | 01/02/2019 | Dissolved |
| UGC PENSION TRUSTEES LIMITED | 02127408 | 18/06/2013 | Not Trading |
| UGC PROPERTIES LIMITED | 04842174 | 01/02/2019 | Silver |
| UGC RAIL INVESTMENTS LIMITED | 02127405 | 01/02/2019 | Dissolved |
| UGC(2015) LIMITED | 09620110 | 22/08/2016 | Not Trading |
| UNIPART ACCELERATED LOGISTICS LIMITED | 07983082 | 01/02/2019 | Amber |
| UNIPART ADVANCED MANUFACTURING LIMITED | 11370712 | 01/02/2019 | Not Trading |
| UNIPART CONSTRUCTION TECHNOLOGIES LIMITED | 11717720 | 30/06/2023 | Bronze |
| UNIPART EXPORTS LIMITED | 01596714 | 01/02/2019 | Amber |
| UNIPART FLEET SERVICES LIMITED | 01938709 | 01/02/2019 | Amber |
| UNIPART GROUP HOLDINGS LIMITED | 11238375 | 01/02/2019 | Not Trading |
| UNIPART GROUP LIMITED | 00576777 | 01/02/2019 | Silver |
| UNIPART INTERNATIONAL HOLDINGS LIMITED | 00592360 | 22/08/2016 | Silver |
| UNIPART LOGISTICS LIMITED | 04330119 | 01/02/2019 | Silver |
| UNIPART MANUFACTURING JV HOLDINGS LIMITED | 11254575 | 01/02/2019 | Gold |
| UNIPART MANUFACTURING LIMITED | 03496115 | 01/06/2019 | Amber |
| UNIPART NORTH AMERICA LIMITED | 03588027 | 01/02/2019 | Bronze |
| UNIPART PA TRUSTEES LIMITED | 02071483 | 01/02/2019 | Not Trading |
| UNIPART POLYMER AND COMPOSITE SOLUTIONS LIMITED | 15864852 | 30/07/2024 | Amber |
| UNIPART RAIL HOLDINGS LIMITED | 03231000 | 01/02/2019 | Silver |
| UNIPART RAIL LIMITED | 03038418 | 01/02/2019 | Gold |
| UNIPART RAIL LOGISTICS LIMITED | 04330098 | 01/02/2019 | Not Trading |
| UNIPART ROBOTICS LIMITED | 14618678 | 26/01/2023 | Not Trading |
| UNIPART SECURITY SOLUTIONS LIMITED | 02033040 | 01/02/2019 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| WESTCODE (U.K.) LIMITED | 03390528 | 01/03/2019 | 01/03/2023 | Dissolved |