| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Airport Courier Services Limited | 01672192 | 10/04/1991 | Dissolved |
| Associated Hotels Ltd | 00628208 | 10/04/1992 | Dissolved |
| Cash Guard Limited | 01585544 | 10/04/1991 | Dissolved |
| Chevron Security Organisation Ltd | 01264743 | 09/10/1996 | Dissolved |
| Executive 2000 Search & Selection Ltd | 01444004 | 10/03/1999 | Dissolved |
| Interconnect Ltd | 01969874 | 26/08/1997 | Dissolved |
| Mono Security Alarms Limited | 00857610 | 10/04/1991 | Dissolved |
| Paypak Limited | 00879389 | 10/04/1991 | Dissolved |
| Private Mobile Radio Ltd | 01098923 | 31/05/1997 | Dissolved |
| Private Mobile Rentals Ltd | 02241196 | 14/08/1995 | Dissolved |
| Securicor Air Courier Holdings Ltd | 01658419 | 10/04/1992 | Dissolved |
| Securicor Electronic Vaulting Ltd | 00077681 | 14/04/1998 | Dissolved |
| Securicor Group Sales & Marketing Ltd | 00215168 | 10/04/1992 | Dissolved |
| Securicor Guarding (Ulster) Ltd | NI017683 | 31/07/1984 | Dissolved |
| Security Cleaners Limited | 01135950 | 10/04/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DHL PONY EXPRESS LIMITED | 01177441 | 14/02/1995 | 06/08/1996 | Dissolved |
| DHL@HOME LIMITED | 01435295 | 10/04/1992 | 17/02/1997 | Dissolved |
| Delberry Ltd | 03944606 | 15/05/2000 | 09/06/2000 | Dissolved |
| G4S AMERICAS (UK) LIMITED | 00499064 | 10/04/1992 | 04/10/1995 | Amber |
| G4S GOVERNMENT SERVICES LIMITED | 01450669 | 10/04/1992 | 06/12/1994 | Dissolved |
| G4S SECURE SOLUTIONS (UK) LIMITED | 01046019 | 10/09/1996 | 10/03/1998 | Gold |
| G4S SPV HOLDINGS LIMITED | 00894243 | 10/04/1992 | 17/02/1994 | Dissolved |
| O2 HOLDINGS LIMITED | 02604354 | 07/05/1999 | 01/11/1999 | Bronze |
| SECURICOR PROJECTS LIMITED | 00954077 | 10/04/1992 | 29/08/1996 | Dissolved |
| Securicor Computer Services Ltd | 00490626 | 10/04/1992 | 17/07/1996 | Dissolved |
| Securicor Electronic Vaulting Ltd | 00077681 | 10/04/1992 | 07/05/1992 | Dissolved |
| Securicor Facilities Management Services Ltd | 00816887 | 10/04/1992 | 08/05/1998 | Dissolved |
| Securicor Guards Ltd | 02249215 | 10/09/1996 | 05/02/1997 | Dissolved |
| Securicor Monitoring Services Ltd | 00648383 | 10/04/1992 | 01/12/1995 | Dissolved |
| TELEFONICA UK LIMITED | 01743099 | 07/05/1999 | 01/11/1999 | Gold |