| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANUBIS ASSOCIATES LIMITED | 05629438 | 26/06/2009 | Dissolved |
| C D R International Ltd | 02751832 | 01/10/2000 | Dissolved |
| DSL GROUP LIMITED | 03206563 | 08/03/2000 | Dissolved |
| Dsl Integrated Systems Ltd | 03538793 | 01/05/2002 | Dissolved |
| GLEN GROUP LTD. | 01582924 | 11/07/2019 | One Red Flag |
| GREENCLEAN (SOUTH WEST) LIMITED | 02787602 | 11/07/2019 | Dissolved |
| Gorandel Trading (U K) Ltd | 03492711 | 04/10/2001 | Dissolved |
| HORSEBACK UK | SC360882 | 18/07/2011 | One Red Flag |
| HORSEBACK UK TRADING LIMITED | SC437646 | 01/04/2014 | One Red Flag |
| MERAK ASSOCIATES LIMITED | 09197002 | 31/08/2014 | Silver |
| MERAK HOLDINGS (NI) LIMITED | NI661316 | 13/05/2019 | Gold |
| PARK CLEANING SERVICES LTD. | 04428642 | 11/07/2019 | Dissolved |
| RESOURCE (NO.1) LIMITED | NI607563 | 24/05/2011 | One Red Flag |
| Tmc R&d 1 Ltd | 04903080 | 17/09/2003 | Dissolved |
| Tmc R&d 2 Ltd | SC244955 | 20/05/2004 | Dissolved |
| UB INFRASTRUCTURE LTD | 15248993 | 18/12/2024 | Bronze |
| W.W.H. ROSIE LIMITED | 03014856 | 11/07/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 4SIGHT AERO LTD | 08676295 | 28/04/2014 | 06/12/2016 | Dissolved |
| Armorgroup Ltd | 03063311 | 24/07/2001 | 26/11/2007 | Dissolved |
| Defence Systems Ltd | 05328722 | 11/01/2005 | 26/11/2007 | Dissolved |
| G4S 184 (UK) LIMITED | 05891263 | 09/01/2007 | 26/11/2007 | Dissolved |
| G4S DEFENCE SYSTEMS EURASIA LIMITED | 03341262 | 25/10/2000 | 26/11/2007 | Gold |
| G4S DEFENCE SYSTEMS INTERNATIONAL LIMITED | 01541457 | 02/08/1999 | 26/11/2007 | Dissolved |
| G4S DSL HOLDINGS LIMITED | 02488312 | 03/08/2001 | 26/11/2007 | Gold |
| G4S FINANCE MANAGEMENT (AG) LIMITED | 04354332 | 16/01/2002 | 26/11/2007 | Amber |
| G4S HOLDINGS INTERNATIONAL (AG) LIMITED | 04931893 | 24/10/2003 | 26/11/2007 | Bronze |
| G4S HOLDINGS UK (AG) LIMITED | 04969936 | 19/11/2003 | 26/11/2007 | Gold |
| G4S RISK CONSULTING LIMITED | 04047630 | 17/11/2005 | 26/11/2007 | One Red Flag |
| G4S RISK MANAGEMENT LIMITED | 01540857 | 19/01/2001 | 26/11/2007 | Amber |
| G4S SECURE SOLUTIONS (IRAQ) LIMITED | 05128617 | 14/05/2004 | 26/11/2007 | Amber |
| G4S WORLDWIDE HOLDINGS LIMITED | 03302926 | 03/08/2001 | 26/11/2007 | One Red Flag |
| ISSEE LIMITED | 03943026 | 12/05/2021 | 02/09/2022 | Bronze |
| PALL MALL EMPLOYMENT SERVICES LIMITED | 05886602 | 25/02/2010 | 01/01/2014 | Dissolved |
| PALL MALL HOLDINGS LIMITED | 03446291 | 25/02/2010 | 01/01/2014 | Dissolved |
| RESOURCE (NI) LIMITED | NI011703 | 25/02/2010 | 01/01/2014 | Dissolved |
| RESOURCE (UNITED KINGDOM) LIMITED | 03341350 | 25/02/2010 | 01/01/2014 | Dissolved |
| RESOURCE COMPASS CLEANING LIMITED | 01510864 | 25/02/2010 | 01/01/2014 | Dissolved |
| RESOURCE SERVICES (NI) LIMITED | NI017687 | 25/02/2010 | 01/01/2014 | Dissolved |
| RESOURCE SERVICES GROUP LIMITED | NI057927 | 25/02/2010 | 01/01/2014 | Dissolved |
| RSG INVESTMENT LIMITED | NI608909 | 06/09/2011 | 01/01/2014 | Dissolved |
| SANMARTON (HOLDINGS) LIMITED | 12915494 | 30/09/2020 | 02/09/2022 | Bronze |
| SHETLAND FM LIMITED | SC489465 | 22/10/2014 | 12/08/2016 | Insolvent |
| SOVEREIGN SOFT SERVICES LIMITED | 04118859 | 25/02/2010 | 01/01/2014 | Dissolved |
| THE MOLE CLINIC LIMITED | 04903102 | 17/09/2003 | 24/10/2014 | Amber |
| U.S. DEFENSE SYSTEMS, LLC | FC027441 | 29/03/2007 | 26/11/2007 | Dissolved |
| WEST RIDING CLEANING COMPANY LIMITED | 00165376 | 25/02/2010 | 01/01/2014 | Strike Off |