| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Agrifood Laboratories Ltd | 01251678 | 06/01/1995 | Dissolved |
| Alfred Knight Group of Companies | 01687853 | 12/01/1993 | Dissolved |
| Eurolab Inspection & Testing Services Ltd | 01042911 | 06/01/1995 | Dissolved |
| KNIGHT INTERNATIONAL SURVEYS LIMITED | 01688865 | 12/01/1993 | Dissolved |
| Knight,A H,(Commodity Services) Ltd | 00926106 | 12/01/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALFRED H KNIGHT CONSULTANCY LIMITED | 03257713 | 27/01/1997 | 01/10/2013 | Silver |
| ALFRED H KNIGHT EASTERN EUROPE LIMITED | 02382293 | 12/01/1993 | 12/01/2014 | Bronze |
| ALFRED H KNIGHT ENERGY SERVICES LIMITED | 02051563 | 03/01/1995 | 12/01/2014 | One Red Flag |
| ALFRED H KNIGHT FERROUS LIMITED | 00519112 | 12/01/1993 | 31/12/2012 | Strike Off |
| ALFRED H KNIGHT OVERSEAS HOLDINGS LIMITED | 03854922 | 04/04/2003 | 01/10/2013 | Silver |
| ALFRED H. KNIGHT HOLDINGS LIMITED | 01945874 | 12/01/1993 | 09/04/2017 | Gold |
| ALFRED H. KNIGHT INTERNATIONAL LIMITED | 00900322 | 15/01/1992 | 12/01/2014 | Bronze |
| AYNSOME LABORATORIES LIMITED | 02510561 | 12/01/1993 | 12/01/2014 | Dissolved |