| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Phonologica Ltd | 05057369 | 07/02/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CPM WPS LIMITED | 06251868 | 18/05/2007 | 03/12/2019 | Silver |
| GLYSURE LIMITED | 04927435 | 12/05/2006 | 10/07/2009 | Dissolved |
| IGNITION ENTERTAINMENT LIMITED | 04293817 | 12/03/2007 | 26/12/2016 | Dissolved |
| IGNITION LONDON LIMITED | 04255453 | 12/03/2007 | 26/12/2016 | Dissolved |
| OXFORD NANOPORE TECHNOLOGIES PLC | 05386273 | 14/04/2005 | 23/04/2021 | Silver |
| PARTICLE THERAPEUTICS LIMITED | 05613862 | 07/11/2005 | 04/03/2020 | One Red Flag |
| QUANTUM DETECTORS LIMITED | 05575019 | 27/09/2005 | 23/07/2012 | Silver |
| Wright Line Ltd | 05530590 | 08/08/2005 | 23/02/2006 | Dissolved |