| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACCUREAD LIMITED | 02372917 | 15/10/2008 | Dissolved |
| Defence Systems Ltd | 05328722 | 30/07/2008 | Dissolved |
| ESSEX MEDICAL AND FORENSIC SERVICES LIMITED | 03571974 | 15/10/2008 | Dissolved |
| Fpc Security Ltd. | SC167041 | 04/11/2008 | Dissolved |
| G4S 182 (UK) LIMITED | 05104742 | 15/10/2008 | Dissolved |
| G4S 184 (UK) LIMITED | 05891263 | 30/07/2008 | Dissolved |
| G4S 308 (UK) LIMITED | 05104743 | 15/10/2008 | Dissolved |
| G4S ADI GROUP LIMITED | 02831083 | 28/10/2008 | Dissolved |
| G4S AVANT-GUARD RESOURCE SERVICES (UK) LIMITED | SC191319 | 04/11/2008 | Dissolved |
| G4S COURT SERVICES (UK) LIMITED | 02714125 | 15/10/2008 | Dissolved |
| G4S DEBT AND LEGAL SERVICES (UK) LIMITED | 03590060 | 15/10/2008 | Dissolved |
| G4S EM INTERNATIONAL LIMITED | 02948738 | 03/10/2008 | Dissolved |
| G4S GLOBAL RISKS (UK) LIMITED | 06435188 | 12/11/2008 | Dissolved |
| G4S GOVERNMENT SERVICES LIMITED | 01450669 | 07/11/2008 | Dissolved |
| G4S GURKHA SERVICES (UK) LIMITED | 06304482 | 20/01/2009 | Dissolved |
| G4S HOLDINGS 305 (UK) LIMITED | 03474991 | 15/10/2008 | Dissolved |
| G4S KEYHOLDING (UK) LIMITED | 03169816 | 04/11/2008 | Dissolved |
| G4S MEDICAL SERVICES (UK) LIMITED | 03670120 | 15/10/2008 | Dissolved |
| G4S POLICING SKILLS DEVELOPMENT LIMITED | 05655137 | 05/12/2008 | Dissolved |
| G4S POLICING SOLUTIONS LIMITED | 04505239 | 18/11/2008 | Dissolved |
| G4S PRISON AND COURT SERVICES (UK) LIMITED | 02664099 | 15/10/2008 | Dissolved |
| G4S ROCK STEADY EVENT SERVICES (UK) LIMITED | SC261061 | 04/11/2008 | Dissolved |
| G4S ROCK STEADY SECURITY (UK) LIMITED | SC103932 | 04/11/2008 | Dissolved |
| G4S ROCK STEADY SPORTS EVENT SERVICES (UK) LIMITED | SC261058 | 04/11/2008 | Dissolved |
| G4S SECURITY SYSTEMS (UK) LIMITED | 01986024 | 07/11/2008 | Dissolved |
| G4S SPECIAL EVENTS SECURITY (UK) LIMITED | 03735365 | 28/10/2008 | Dissolved |
| G4S WACKENHUT (UK) LIMITED | 01105859 | 28/10/2008 | Dissolved |
| GLOBAL SOLUTIONS AL MAFRAQ LIMITED | 06646411 | 27/08/2008 | Dissolved |
| GLOBAL SOLUTIONS AL WATHBA LIMITED | 06647785 | 27/08/2008 | Dissolved |
| GSL LIMITED | 03799262 | 15/10/2008 | Dissolved |
| GSL UK LIMITED | 02642929 | 15/10/2008 | Dissolved |
| International Maritime Security Ltd | 01989329 | 04/11/2008 | Dissolved |
| REBOUND ECD LIMITED | 02889731 | 15/10/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Armorgroup Ltd | 03063311 | 30/07/2008 | 09/12/2010 | Dissolved |
| G4S 084 (UK) LIMITED | 00928471 | 12/11/2008 | 05/05/2021 | Gold |
| G4S 309 (UK) LIMITED | 05104582 | 15/10/2008 | 05/05/2021 | Gold |
| G4S AVIATION SERVICES (UK) LIMITED | 02837136 | 28/10/2008 | 05/05/2021 | One Red Flag |
| G4S CARE AND JUSTICE SERVICES (UK) LIMITED | 00390328 | 28/11/2008 | 05/05/2021 | Gold |
| G4S DEFENCE SYSTEMS EURASIA LIMITED | 03341262 | 30/07/2008 | 09/12/2010 | Gold |
| G4S DEFENCE SYSTEMS INTERNATIONAL LIMITED | 01541457 | 30/07/2008 | 09/12/2010 | Dissolved |
| G4S FACILITIES MANAGEMENT (UK) LIMITED | 03333860 | 15/10/2008 | 05/05/2021 | Gold |
| G4S GOVERNMENT AND OUTSOURCING SERVICES (UK) LIMITED | 03175173 | 15/10/2008 | 05/05/2021 | Gold |
| G4S OVERSEAS HOLDINGS LIMITED | 04031500 | 15/10/2008 | 05/05/2021 | Silver |
| G4S REGIONAL MANAGEMENT (UK & I) LIMITED | 03189802 | 15/10/2008 | 05/05/2021 | Silver |
| G4S RISK CONSULTING LIMITED | 04047630 | 30/07/2008 | 05/05/2021 | One Red Flag |
| G4S RISK MANAGEMENT LIMITED | 01540857 | 18/09/2008 | 05/05/2021 | Amber |
| G4S SECURE SOLUTIONS (IRAQ) LIMITED | 05128617 | 30/07/2008 | 05/05/2021 | Amber |
| G4S SECURE SOLUTIONS (UK) LIMITED | 01046019 | 28/10/2008 | 05/05/2021 | Gold |
| G4S SECURITY SERVICES (UK) LIMITED | 02380900 | 28/10/2008 | 05/05/2021 | Silver |
| MORRISON DATA SERVICES LIMITED | 03076187 | 15/10/2008 | 28/12/2016 | Silver |
| STRATUS INTEGRATED SERVICES LIMITED | 04261735 | 17/10/2008 | 05/05/2021 | Dissolved |