| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CHELSEA ENVIRONMENTAL INSTRUMENTS LIMITED | 01576942 | 11/08/1991 | 25/07/2003 | Dissolved |
| CHELSEA TECHNOLOGIES HOLDINGS LIMITED | 02040007 | 11/08/1991 | 25/07/2003 | Dissolved |
| CHELSEA TECHNOLOGIES LTD | 00832429 | 11/08/1991 | 25/07/2003 | One Red Flag |
| CI MANUFACTURING LIMITED | 01769556 | 11/08/1991 | 25/07/2003 | Dissolved |
| QUOTIENT DIAGNOSTICS LIMITED | 04610861 | 19/12/2002 | 21/07/2011 | Dissolved |