| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Human Operations Research Ltd | 00709087 | 30/11/1991 | Dissolved |
| Husat (Holdings) Ltd | 02426253 | 28/01/1991 | Dissolved |
| The British Journal of Educational Psychology Ltd | 00252835 | 18/05/1992 | Dissolved |
| The Institute for Consumer Ergonomics | 00992746 | 27/12/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| H U S A T Consultancy Ltd | 02423197 | 03/06/1994 | 22/07/1999 | Dissolved |
| Human Computer Interaction Service Ltd | 02537255 | 25/09/1991 | 30/09/1992 | Dissolved |
| Husat Training Ltd | 02423199 | 28/01/1992 | 30/09/1992 | Dissolved |
| THE BAYSWATER INSTITUTE | 02546262 | 05/10/1991 | 09/05/2007 | Gold |