| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ETIOLOGICS LIMITED | 04137282 | 01/10/2002 | Dissolved |
| OMASS THERAPEUTICS LIMITED | 10028228 | 14/10/2020 | Amber |
| PULMAGEN THERAPEUTICS (HOLDINGS) LIMITED | 06648734 | 01/10/2008 | Dissolved |
| PULMAGEN THERAPEUTICS (INFLAMMATION) LIMITED | 07087533 | 11/01/2010 | Dissolved |
| PULMAGEN THERAPEUTICS (SYNERGY) LIMITED | 03671653 | 07/10/2004 | Dissolved |
| PULMAGEN THERAPEUTICS LLP | OC352333 | 15/02/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACHILLES THERAPEUTICS UK LIMITED | 10167668 | 24/05/2016 | 23/01/2018 | Silver |
| ARGENTA DISCOVERY 2009 LIMITED | 06920289 | 07/07/2009 | 01/02/2010 | Dissolved |
| MACROPHOX LTD | 11250406 | 06/02/2019 | 31/07/2020 | Insolvent |
| ORCHID CELLMARK LTD | 04045527 | 05/09/2000 | 24/09/2002 | One Red Flag |
| PULMAGEN THERAPEUTICS (ASTHMA) LIMITED | 06648765 | 01/10/2008 | 20/09/2017 | Dissolved |
| SYNCONA MANAGEMENT LLP | OC378549 | 06/04/2016 | 20/12/2016 | Dissolved |
| SYNCONA PARTNERS LLP | OC377978 | 06/04/2016 | 19/12/2016 | Dissolved |
| T-CYPHER BIO HOLDINGS LIMITED | 12845441 | 04/01/2023 | 09/02/2024 | Amber |
| T-CYPHER BIO LIMITED | 09843076 | 04/01/2023 | 09/02/2024 | One Red Flag |