| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Adi Investments Ltd | 02845750 | 29/12/2000 | Dissolved |
| Adi Overseas Ltd | 02845749 | 29/12/2000 | Dissolved |
| B C S Custodial Services Ltd | 03249171 | 07/01/2002 | Dissolved |
| Imperial Security Services Ltd | 02464634 | 17/01/2001 | Dissolved |
| SECURICOR CELLULAR SERVICES LIMITED | 00569829 | 07/01/2002 | Dissolved |
| SECURICOR PROJECTS LIMITED | 00954077 | 01/03/2000 | Dissolved |
| Scruttons Aviation Security Ltd | 02460332 | 04/05/2001 | Dissolved |
| Scruttons Security Ltd | 00181953 | 04/05/2001 | Dissolved |
| Securicor Cash Centres (Basingstoke) Ltd | 01353954 | 06/04/1999 | Dissolved |
| Securicor Computer Services Ltd | 00490626 | 07/01/2002 | Dissolved |
| Securicor Dopra Ltd | 02752256 | 07/01/2002 | Dissolved |
| Securicor Facilities Management Services Ltd | 00816887 | 07/01/2002 | Dissolved |
| Securicor Monitoring Services Ltd | 00648383 | 04/05/2001 | Dissolved |
| Shopwatch Organisation Ltd | 01923989 | 04/05/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| G4S 084 (UK) LIMITED | 00928471 | 29/06/2005 | 23/11/2007 | Silver |
| G4S AVIATION (FRANCE) LIMITED | 02837140 | 29/12/2000 | 26/02/2002 | One Red Flag |
| G4S AVIATION SERVICES (UK) LIMITED | 02837136 | 29/12/2000 | 26/02/2002 | One Red Flag |
| G4S CARE AND JUSTICE SERVICES (UK) LIMITED | 00390328 | 06/12/1999 | 26/04/2002 | Silver |
| G4S CASH CENTRES (UK) LIMITED | 01485104 | 04/05/2001 | 26/04/2002 | Silver |
| G4S CASH SOLUTIONS (UK) LIMITED | 00354883 | 01/05/1996 | 26/04/2002 | Silver |
| G4S SECURE SOLUTIONS (UK) LIMITED | 01046019 | 27/11/1998 | 01/04/2002 | Silver |
| RANDSTAD RECRUITMENT SERVICES LIMITED | 00700215 | 29/04/1999 | 05/04/2001 | Dissolved |
| SIGNATURE FLIGHT SUPPORT HEATHROW LIMITED | 03344653 | 29/12/2000 | 26/02/2002 | Dissolved |
| Securicor Aviation (Germany) Ltd | 02837137 | 01/03/2001 | 26/02/2002 | Dissolved |