| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CALCHAN HOLDINGS LIMITED | 07543971 | 03/10/2011 | 31/08/2012 | Insolvent |
| CONVERGENCE PHARMACEUTICALS HOLDINGS LIMITED | 07596438 | 26/10/2011 | 31/08/2012 | Not Trading |
| FREELINE THERAPEUTICS HOLDINGS LIMITED | 12546479 | 26/06/2020 | 15/04/2024 | Silver |
| NIGHTSTARX LIMITED | 08551822 | 15/11/2013 | 30/10/2017 | One Red Flag |
| OLD CONVERGENCE PHARMACEUTICALS LIMITED | 07289568 | 04/10/2010 | 31/08/2012 | Not Trading |
| SPUR THERAPEUTICS LIMITED | 09500073 | 19/05/2015 | 18/02/2021 | One Red Flag |
| SYNCONA MANAGEMENT LLP | OC378549 | 16/10/2012 | 20/12/2016 | Dissolved |
| SYNCONA PARTNERS LLP | OC377978 | 16/10/2012 | 19/12/2016 | Dissolved |