| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BIOMEDIA TECHNOLOGIES LTD | 09620430 | 03/06/2015 | Dissolved |
| Back Door Canopies Ltd | 04069712 | 12/09/2000 | Dissolved |
| Cymatics Ltd | 06127719 | 26/02/2007 | Dissolved |
| Electro Developments Ltd | 02803493 | 25/03/1993 | Dissolved |
| Gyrotech Ltd | 02698030 | 17/03/1992 | Dissolved |
| Nanocoatings Ltd | 06230196 | 07/08/2007 | Dissolved |
| Plastomeric Technologies Ltd | 03151157 | 22/02/1996 | Dissolved |
| Polytech Research & Development Ltd | 03099029 | 06/09/1995 | Dissolved |
| Retro-Tek Ltd | 04156157 | 08/02/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIOTEC LTD | 05299742 | 29/11/2004 | 25/09/2015 | Dissolved |
| Polytech Research & Development Ltd | 03099029 | 30/08/1996 | 15/11/1996 | Dissolved |
| ZEODEX LTD | 10938071 | 14/09/2018 | 04/11/2019 | Dissolved |