| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MOUNT PARK LIMITED | 09913464 | 11/12/2015 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| G4S (NORTHERN IRELAND) LIMITED | NI015861 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S ADI GROUP LIMITED | 02831083 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S AVANT-GUARD RESOURCE SERVICES (UK) LIMITED | SC191319 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S AVIATION SERVICES (UK) LIMITED | 02837136 | 04/01/2010 | 07/03/2011 | One Red Flag |
| G4S FIRE & SECURITY SYSTEMS LIMITED | NI035946 | 25/11/2011 | 18/01/2013 | Dissolved |
| G4S GOVERNMENT SERVICES LIMITED | 01450669 | 09/01/2013 | 18/01/2013 | Dissolved |
| G4S KEYHOLDING (UK) LIMITED | 03169816 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S MONITORING SERVICES (NI) LIMITED | NI028177 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S ROCK STEADY EVENT SERVICES (UK) LIMITED | SC261061 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S ROCK STEADY SECURITY (UK) LIMITED | SC103932 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S ROCK STEADY SPORTS EVENT SERVICES (UK) LIMITED | SC261058 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S SECURE SOLUTIONS (UK) LIMITED | 01046019 | 04/01/2010 | 18/01/2013 | Gold |
| G4S SECURITY SERVICES (UK) LIMITED | 02380900 | 04/01/2010 | 18/01/2013 | Silver |
| G4S SECURITY SYSTEMS (NI) LIMITED | NI014767 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S SPECIAL EVENTS SECURITY (UK) LIMITED | 03735365 | 04/01/2010 | 18/01/2013 | Dissolved |
| G4S WACKENHUT (UK) LIMITED | 01105859 | 04/01/2010 | 18/01/2013 | Dissolved |
| IBI INTERNATIONAL LOGISTICS LIMITED | 01412704 | 07/10/2013 | 03/12/2015 | Silver |