| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARQUER DIAGNOSTICS LIMITED | 05426676 | 19/12/2014 | Insolvent |
| BCL2020 LTD | 13021365 | 21/12/2020 | Insolvent |
| DIAMOND MICROWAVE DEVICES LIMITED | 05882717 | 29/10/2009 | Gold |
| DIAMOND MICROWAVE HOLDINGS LIMITED | 08008820 | 29/03/2012 | Amber |
| HELIO DISPLAY MATERIALS LIMITED | 10498672 | 22/05/2024 | Bronze |
| JOOST ENGINES LTD | 08774677 | 19/11/2013 | Amber |
| KEIT LIMITED | 08334369 | 22/04/2013 | Amber |
| LONGWALL VENTURE PARTNERS LLP | OC362933 | 18/03/2011 | Silver |
| LONGWALL VENTURES 3 ECF (FP) LLP | OC418871 | 07/09/2017 | Bronze |
| LONGWALL VENTURES 3 ECF (GP) LLP | OC418894 | 11/09/2017 | Silver |
| LONGWALL VENTURES 3 ECF (GP) MEMBER LIMITED | 10950274 | 07/09/2017 | Gold |
| LONGWALL VENTURES 3 ECF (NOMINEE) LIMITED | 10959504 | 12/09/2017 | Not Trading |
| LONGWALL VENTURES ECF (FP) LLP | OC379111 | 08/10/2012 | Silver |
| LONGWALL VENTURES ECF (GP) LLP | OC379110 | 08/10/2012 | Silver |
| LONGWALL VENTURES ECF (GP) MEMBER LIMITED | 08287765 | 09/11/2012 | Bronze |
| OXFORD SPACE SYSTEMS LIMITED | 08683577 | 10/12/2013 | Amber |
| OXFORD TECHNOLOGY ECF (FP) LLP | OC333485 | 09/12/2007 | Bronze |
| OXFORD TECHNOLOGY ECF (GP) LLP | OC333486 | 09/12/2007 | Silver |
| OXFORD TECHNOLOGY ECF (GP) MEMBER LIMITED | 08313175 | 29/11/2012 | Gold |
| VERDEL INSTRUMENTS LTD | 11447596 | 17/04/2019 | One Red Flag |
| WAYLAND ADDITIVE LIMITED | 11978407 | 30/07/2019 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| COBALT LIGHT SYSTEMS LIMITED | 05856979 | 05/08/2008 | 07/07/2017 | Dissolved |
| D-TECH (UK) LIMITED | 05324327 | 07/06/2010 | 28/02/2012 | Gold |
| DESIGNED MATERIALS LTD | 04404289 | 10/09/2010 | 17/03/2021 | Bronze |
| DIAMOND HARD SURFACES LIMITED | 05304968 | 24/08/2006 | 23/11/2010 | Silver |
| HISTORIC FUTURES LIMITED | 04693909 | 17/03/2011 | 09/03/2012 | Dissolved |
| MIRICO LTD. | 09376628 | 15/12/2015 | 01/12/2022 | Amber |
| OXFORD HIGHQ LTD | 11002764 | 29/06/2018 | 24/04/2020 | Insolvent |
| OXFORD TECHNOLOGY MANAGEMENT LIMITED | 01069573 | 18/10/2005 | 09/05/2012 | Gold |
| OXIS ENERGY LIMITED | 04003357 | 03/07/2008 | 24/03/2010 | Insolvent |
| PHARMA ENGINEERING LIMITED | 06090111 | 05/08/2008 | 01/12/2010 | Gold |