| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CSC PROFESSIONAL SERVICES GROUP UK LIMITED | 02698664 | 26/07/1999 | Dissolved |
| IN REM LIMITED | 08281428 | 05/11/2012 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| APPLABS LIMITED | 03105847 | 13/09/2011 | 31/12/2012 | Dissolved |
| APPLABS TECHNOLOGIES (UK) PVT LIMITED | 05800789 | 13/09/2011 | 31/12/2012 | Dissolved |
| CSC COMPUTER SCIENCES CAPITAL LIMITED | 07073195 | 18/11/2009 | 31/12/2012 | Dissolved |
| DXC UK EMEA FINANCE LIMITED | 03417859 | 05/09/2011 | 31/12/2012 | Bronze |
| DXC UK HOLDINGS LIMITED | 07073338 | 18/11/2009 | 31/12/2012 | Amber |
| DXC UK INTERNATIONAL HOLDINGS LIMITED | 07073332 | 18/11/2009 | 31/12/2012 | Bronze |
| DXC UK INTERNATIONAL LIMITED | 07073335 | 18/11/2009 | 31/12/2012 | Bronze |
| DXC UK INTERNATIONAL OPERATIONS LIMITED | 07073279 | 18/11/2009 | 31/12/2012 | Bronze |
| DXC UK INTERNATIONAL SERVICES LIMITED | 07073277 | 18/11/2009 | 31/12/2012 | Dissolved |
| ECD (COOKHAM WOOD) LIMITED | 03241233 | 01/04/2014 | 18/05/2016 | Dissolved |
| ECD (ONLEY) LIMITED | 03524819 | 01/04/2014 | 18/05/2016 | Dissolved |
| EDUCATION CARE AND DISCIPLINE LIMITED | 03241234 | 01/04/2014 | 18/05/2016 | Dissolved |
| EDUCATION CARE AND DISCIPLINE THREE LIMITED | 03525161 | 01/04/2014 | 18/05/2016 | Dissolved |
| FAZAKERLEY PRISON SERVICES LIMITED | 02984969 | 01/04/2014 | 31/10/2019 | Silver |
| G4S CARE AND JUSTICE SERVICES (UK) LIMITED | 00390328 | 28/02/2014 | 21/01/2022 | Gold |
| G4S CASH SERVICES (CAMBRIDGE) LIMITED | 06908964 | 28/02/2014 | 16/04/2015 | Dissolved |
| G4S EM INTERNATIONAL LIMITED | 02948738 | 28/02/2014 | 10/06/2015 | Dissolved |
| G4S REGIONAL MANAGEMENT (UK & I) LIMITED | 03189802 | 28/02/2014 | 14/02/2022 | Silver |
| G4S UK HOLDINGS LIMITED | 03892780 | 28/02/2014 | 08/03/2022 | Gold |
| ONLEY PRISON SERVICES LIMITED | 03682678 | 01/04/2014 | 31/10/2019 | Bronze |
| OPEN COMPUTING ALLIANCE LIMITED | 07089537 | 01/10/2011 | 30/05/2012 | Dissolved |
| SEMPERIAN (FAZAKERLEY) LIMITED | 02973624 | 01/04/2014 | 31/10/2019 | Silver |
| SEMPERIAN (ONLEY) LIMITED | 03684775 | 01/04/2014 | 31/10/2019 | One Red Flag |
| SEMPERIAN INVESTMENTS LIMITED | 05573749 | 06/01/2015 | 31/10/2019 | Gold |
| SEMPERIAN JOINT VENTURES LIMITED | 04031538 | 06/01/2015 | 31/10/2019 | Gold |
| STC (MILTON KEYNES) HOLDINGS LIMITED | 04508948 | 01/04/2014 | 31/10/2019 | Bronze |
| STC (MILTON KEYNES) LIMITED | 04508947 | 01/04/2014 | 31/10/2019 | Silver |
| UK COURT SERVICES (MANCHESTER) HOLDINGS LIMITED | 04164434 | 04/06/2014 | 31/10/2019 | Silver |
| UK COURT SERVICES (MANCHESTER) LIMITED | 04164167 | 04/06/2014 | 31/10/2019 | Silver |
| VELON LIMITED | 09043712 | 08/09/2014 | 30/03/2017 | One Red Flag |