| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Advanced Telecommunications Modules Ltd | 03486350 | 19/12/1997 | Dissolved |
| CAMBRIDGE PHENOMENON INTERNATIONAL LTD | 08999218 | 16/04/2014 | Dissolved |
| CAMBRIDGE PHENOMENON LIMITED | 07057481 | 26/10/2009 | Dissolved |
| Terabitz Uk Ltd | 06275306 | 19/07/2007 | Dissolved |
| The Library House Ltd | 04364079 | 01/01/2003 | Dissolved |
| WIGADOO LTD | 06009627 | 01/04/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAMBRIDGE ENTERPRISE LIMITED | 01069886 | 31/12/2007 | 17/12/2020 | Bronze |
| FRONTIER DEVELOPMENTS PLC | 02892559 | 01/07/2016 | 31/05/2023 | Silver |
| Globespanvirata | 02798338 | 21/11/2002 | 01/07/2003 | Dissolved |
| Globespanvirata | 02798338 | 02/12/1997 | 24/03/2003 | Dissolved |
| XILINX TECHNOLOGY LTD | 04441386 | 15/07/2003 | 30/07/2019 | Gold |