| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Seceurop U K Ltd | 01166238 | 21/12/2004 | Dissolved |
| Securicom Ltd | 01511462 | 21/12/2004 | Dissolved |
| Securicor Aviation (Germany) Ltd | 02837137 | 21/12/2004 | Dissolved |
| Securicor Communications Ltd | 01500752 | 21/12/2004 | Dissolved |
| Securicor Electronics Ltd | 00731142 | 21/12/2004 | Dissolved |
| Securicor Guards Ltd | 02249215 | 21/12/2004 | Dissolved |
| Securicor Quest Ltd | 00893496 | 21/12/2004 | Dissolved |
| Securicor Security Services (Uk) Ltd | 00675650 | 21/12/2004 | Dissolved |
| Total Security Ltd | 00960937 | 21/12/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| FIRST SELECT HOLDINGS LIMITED | 05827884 | 25/05/2006 | 01/11/2010 | Bronze |
| G4S ADI GROUP LIMITED | 02831083 | 21/12/2004 | 23/01/2006 | Dissolved |
| G4S AMERICAS (UK) LIMITED | 00499064 | 21/12/2004 | 01/11/2010 | Amber |
| G4S AVIATION (FRANCE) LIMITED | 02837140 | 21/12/2004 | 01/11/2010 | Bronze |
| G4S FINANCE 122 (UK) LIMITED | 05232389 | 15/09/2004 | 01/11/2010 | Dissolved |
| G4S FINANCE MANAGEMENT (AG) LIMITED | 04354332 | 16/01/2009 | 01/11/2010 | Amber |
| G4S GOVERNMENT SERVICES LIMITED | 01450669 | 21/12/2004 | 15/09/2006 | Dissolved |
| G4S HOLDINGS 3 (UK) LIMITED | 02380914 | 10/01/2007 | 01/11/2010 | Dissolved |
| G4S HOLDINGS 38 (UK) LIMITED | 01956974 | 10/01/2007 | 01/11/2010 | Dissolved |
| G4S HOLDINGS INTERNATIONAL (AG) LIMITED | 04931893 | 20/02/2009 | 01/11/2010 | Bronze |
| G4S HOLDINGS UK (AG) LIMITED | 04969936 | 20/02/2009 | 01/11/2010 | Gold |
| G4S INTERNATIONAL 105 (UK) LIMITED | 00664611 | 21/12/2004 | 01/11/2010 | Gold |
| G4S INVESTMENTS 4 (UK) LIMITED | 01337199 | 10/01/2007 | 01/11/2010 | Dissolved |
| G4S MANAGEMENT SERVICES 127 (UK) LIMITED | 00835411 | 21/12/2004 | 01/11/2010 | Insolvent |
| G4S MP (UK) LIMITED | 05232375 | 15/09/2004 | 01/11/2010 | Dissolved |
| G4S NOMINEES LIMITED | 01143732 | 21/12/2004 | 01/11/2010 | One Red Flag |
| G4S PROPERTY HOLDINGS (HEATHROW) LIMITED | 01207237 | 21/12/2004 | 01/11/2010 | Dissolved |
| G4S PROPERTY HOLDINGS (OXFORD) LIMITED | 02201530 | 21/12/2004 | 01/11/2010 | Dissolved |
| G4S PROPERTY HOLDINGS (SWINDON) LIMITED | 02095041 | 21/12/2004 | 01/11/2010 | Dissolved |
| G4S SPV HOLDINGS LIMITED | 00894243 | 21/12/2004 | 24/06/2005 | Dissolved |
| G4S UK HOLDINGS LIMITED | 03892780 | 10/01/2007 | 01/11/2010 | Gold |
| G4S WORLDWIDE HOLDINGS LIMITED | 03302926 | 16/01/2009 | 01/11/2010 | One Red Flag |
| GROUP 4 FALCK LIMITED | 02783408 | 10/01/2007 | 01/11/2010 | Dissolved |
| GROUP 4 LIMITED | 02380908 | 10/01/2007 | 01/11/2010 | Gold |
| SECURICOR LIMITED | 00057379 | 21/12/2004 | 01/11/2010 | One Red Flag |