| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BDL PROPERTY LLP | OC330637 | 24/07/2008 | Silver |
| BDL RESTAURANT LTD | 06233852 | 24/07/2008 | One Red Flag |
| CAMBRIDGE COMMUNICATION SYSTEMS LIMITED | 07266974 | 15/03/2013 | Dissolved |
| CLEEVELY & PARTNERS LTD | 04904495 | 06/08/2004 | Amber |
| CLEEVELY & PARTNERS LTD | 04904495 | 06/08/2004 | Amber |
| Cambridge 123 Ltd | 04041496 | 26/07/2000 | Dissolved |
| Groupware Ltd | 01947036 | 15/05/1991 | Dissolved |
| Trutap Ltd | 05281967 | 19/10/2005 | Dissolved |
| VICO RESTAURANT LIMITED | 09166534 | 07/08/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABCAM LIMITED | 03509322 | 18/04/1998 | 02/11/2009 | Gold |
| AIRVANA LIMITED | 05213514 | 24/08/2004 | 30/04/2007 | Dissolved |
| ANALYSYS LIMITED | 01819989 | 21/06/1991 | 19/01/1996 | Gold |
| ANALYSYS LIMITED | 01819989 | 21/06/1991 | 07/08/2004 | Gold |
| BANGO. NET LIMITED | 03854965 | 10/04/2000 | 01/07/2005 | Amber |
| CAMBRIDGE AHEAD | 08318067 | 11/11/2013 | 25/10/2023 | Silver |
| CAMBRIDGE BROADBAND NETWORKS LIMITED | 03879840 | 28/07/2000 | 20/09/2005 | Dissolved |
| CAMBRIDGE NETWORK LIMITED | 03400152 | 08/12/2014 | 24/04/2020 | Silver |
| CAMBRIDGE SCIENCE CENTRE | 07962584 | 23/02/2012 | 04/07/2024 | Gold |
| CAMBRIDGE SCIENCE ENTERPRISES LIMITED | 07584257 | 19/09/2012 | 04/07/2024 | Not Trading |
| CAMBRIDGE THERANOSTICS LIMITED | 04314866 | 08/12/2001 | 30/04/2004 | Dissolved |
| CAMGENE LIMITED | 03419058 | 20/12/1998 | 02/11/2009 | Dissolved |
| CONTROLLIS LIMITED | 06690275 | 11/11/2010 | 14/06/2022 | Gold |
| CRFS LIMITED | 06133936 | 05/09/2007 | 16/11/2020 | Silver |
| Commstec Ltd | 03708115 | 04/02/1999 | 16/02/2000 | Dissolved |
| HUAWEI TECHNOLOGIES RESEARCH & DEVELOPMENT (UK) LIMITED | 07371283 | 28/07/2011 | 16/09/2014 | Gold |
| MO.JO.CO.UK LIMITED | 05895626 | 11/07/2007 | 05/09/2008 | Dissolved |
| PACEMAKER GLOBAL LTD | 13259365 | 10/06/2021 | 15/05/2024 | Bronze |
| RASPBERRY PI FOUNDATION | 06758215 | 09/09/2014 | 15/10/2020 | Silver |
| RASPBERRY PI LTD | 08207441 | 18/12/2012 | 28/02/2019 | Silver |
| SMARTCHEMISTRY GROUP LIMITED | 04548568 | 09/07/2007 | 12/04/2019 | One Red Flag |
| The Communications Research Network | 05796667 | 26/04/2006 | 07/04/2008 | Dissolved |
| VIRTUAL BUSINESS NETWORK LIMITED | 03794984 | 22/10/1999 | 06/05/2003 | Dissolved |