| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANGLESEY SERVICES LIMITED | 04322601 | 16/03/2004 | Amber |
| APPIN MARITIME LIMITED | SC316995 | 21/02/2007 | Dissolved |
| ATMOSPHERIC SOLUTIONS LIMITED | 03325153 | 17/02/2004 | Dissolved |
| DARESBURY AND RUTHERFORD ENTERPRISES LIMITED | 04448590 | 16/03/2004 | Dissolved |
| MALVERN INNOVATIONS LTD | 07467693 | 13/12/2010 | Dissolved |
| MICROTEST MATRICES LIMITED | 04564594 | 01/05/2010 | Dissolved |
| MMIC SOLUTIONS (MALVERN) LIMITED | 04451181 | 16/03/2004 | Dissolved |
| MMIC SOLUTIONS LIMITED | SC287736 | 21/07/2005 | Dissolved |
| ON-SUN SYSTEMS LIMITED | 07138814 | 28/01/2010 | Dissolved |
| PHASED ARRAY SOLUTIONS LTD | 05474919 | 08/06/2005 | Dissolved |
| PHASOR SOLUTIONS LIMITED | 05521261 | 28/07/2005 | Dissolved |
| PHOTON SOLUTIONS LIMITED | 06288934 | 21/06/2007 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 21NET LTD | 04321420 | 16/03/2004 | 15/12/2015 | Dissolved |
| DUNETH SECURITIES LIMITED | 00086279 | 07/01/2010 | 30/11/2020 | One Red Flag |
| L3 TECHNOLOGY LIMITED | 04242731 | 16/03/2004 | 01/12/2016 | Dissolved |
| PHAGENESIS LIMITED | 06308699 | 26/04/2010 | 14/05/2024 | Amber |
| SCIENTIFIC VENTURES INVESTMENTS LIMITED | 11568979 | 14/09/2018 | 20/11/2020 | Dissolved |