| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| RHODAR (SCOTLAND) LIMITED | 05325408 | 01/10/2008 | Dissolved |
| RHODAR (SOUTH WEST) LIMITED | 01971251 | 01/10/2008 | Dissolved |
| RHODAR (SOUTHERN) LIMITED | 03606596 | 01/10/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| EAST RIDING LABORATORIES LIMITED | 04907007 | 23/09/2003 | 01/12/2022 | Silver |
| LEXIA SOLUTIONS GROUP LIMITED | 05035069 | 01/07/2006 | 01/07/2006 | Silver |
| RHODAR LIMITED | 01269463 | 06/04/2000 | 01/01/2025 | Bronze |