| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Euroguard Ltd | 01683428 | 01/01/2005 | Dissolved |
| Farleigh International Ltd | 01931034 | 01/01/2005 | Dissolved |
| Group 4 Retail Security Ltd | 01259059 | 01/01/2005 | Dissolved |
| Group 4 Vehicle Services Ltd | 02722758 | 01/01/2005 | Dissolved |
| Security Projects International Ltd | 01338635 | 01/01/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRIDGEND CUSTODIAL SERVICES LIMITED | 03045222 | 24/09/1998 | 18/03/2002 | Insolvent |
| G4S ADI GROUP LIMITED | 02831083 | 02/11/2005 | 01/02/2007 | Dissolved |
| G4S AVIATION SERVICES (UK) LIMITED | 02837136 | 15/09/2004 | 01/02/2007 | One Red Flag |
| G4S CARE AND JUSTICE SERVICES (UK) LIMITED | 00390328 | 10/08/1994 | 30/04/1996 | Gold |
| G4S HOLDINGS 3 (UK) LIMITED | 02380914 | 01/01/2005 | 10/01/2007 | Dissolved |
| G4S HOLDINGS 38 (UK) LIMITED | 01956974 | 01/01/2005 | 10/01/2007 | Dissolved |
| G4S INVESTMENTS 4 (UK) LIMITED | 01337199 | 01/01/2005 | 10/01/2007 | Dissolved |
| G4S SECURE SOLUTIONS (UK) LIMITED | 01046019 | 27/09/2004 | 01/02/2007 | Gold |
| G4S SECURITY SERVICES (UK) LIMITED | 02380900 | 01/09/2004 | 01/02/2007 | Silver |
| G4S UK HOLDINGS LIMITED | 03892780 | 20/12/2004 | 10/01/2007 | Gold |
| G4S WACKENHUT (UK) LIMITED | 01105859 | 01/09/2004 | 01/02/2007 | Dissolved |
| GROUP 4 LIMITED | 02380908 | 01/01/2005 | 10/01/2007 | Gold |
| International Maritime Security Ltd | 01989329 | 01/01/2005 | 01/02/2007 | Dissolved |
| SECURICOR PROJECTS LIMITED | 00954077 | 01/03/2000 | 07/01/2002 | Dissolved |
| Securicar Ltd | 01585288 | 01/11/1998 | 07/01/2002 | Dissolved |
| Securicom Ltd | 01511462 | 01/11/1998 | 07/01/2002 | Dissolved |
| Securicor Facilities Management Services Ltd | 00816887 | 07/04/1999 | 07/01/2002 | Dissolved |