| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Signal Computing Ltd | 01672944 | 25/07/2000 | Dissolved |
| TTP CAPITAL PARTNERS LIMITED | 03542949 | 14/08/1998 | Dissolved |
| TTP CARRY LIMITED | 03542951 | 14/08/1998 | Dissolved |
| TTP VENTURE MANAGERS LIMITED | 03475728 | 16/03/1998 | Dissolved |
| White Carbon Ltd | 04388089 | 06/03/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Acumen Bioscience Ltd | 04098989 | 20/04/2001 | 01/10/2003 | Dissolved |
| Apocyte Ltd | 03624874 | 23/12/1998 | 26/07/1999 | Dissolved |
| CAMBRIDGE MUSIC FESTIVAL LTD | 02852295 | 31/05/2013 | 08/06/2018 | Gold |
| CAMBRIDGE NETWORK LIMITED | 03400152 | 09/01/2002 | 11/11/2008 | Gold |
| Libris Discovery Ltd | 03624852 | 23/12/1998 | 20/01/1999 | Dissolved |
| MSP PROPERTIES LIMITED | 07212682 | 06/04/2010 | 31/03/2018 | Dissolved |
| SPT LABTECH LIMITED | 03300999 | 19/09/2003 | 31/03/2018 | Silver |
| THE CREATIVITY PARTNERSHIP LIMITED | 04091255 | 13/12/2000 | 01/10/2004 | Dissolved |
| THE TECHNOLOGY PARTNERSHIP (2017) LIMITED | 04658926 | 28/02/2003 | 31/03/2018 | Silver |
| TONEJET LIMITED | 04388778 | 06/03/2002 | 07/11/2002 | Amber |
| TTP CAMPUS LIMITED | 03893143 | 24/04/2007 | 31/03/2018 | Silver |
| TTP COMMUNICATIONS LIMITED | 03962172 | 04/09/2000 | 28/07/2006 | Silver |
| TTP GROUP LIMITED | 02170755 | 29/06/1991 | 31/03/2018 | Silver |
| TTP PLC | 03304950 | 28/01/1997 | 18/12/2000 | Silver |
| TTPCOM LIMITED | 03475732 | 11/03/1998 | 22/09/2000 | Silver |
| Watermark Imaging Ltd | 02630856 | 21/07/1992 | 23/09/1992 | Dissolved |
| Wavedriver Ltd | 02778534 | 27/04/1993 | 13/09/1996 | Dissolved |