| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 4 Square Security Ltd | NI033666 | 19/02/1998 | Dissolved |
| Amphion Semiconductor | NI024395 | 25/04/1990 | Dissolved |
| Amphion Semiconductor (Asia) Ltd | NI036792 | 24/08/1999 | Dissolved |
| Analog Devices Belfast Ltd | NI026067 | 06/11/1991 | Dissolved |
| BROOKS GROUP (UK) LIMITED | NI030859 | 01/10/2010 | Dissolved |
| CAPITAL HOUSE 11 LIMITED | NI072266 | 20/04/2009 | Dissolved |
| CAPITAL HOUSE 12 LIMITED | NI072307 | 20/04/2009 | Dissolved |
| CAPITAL HOUSE 14 LIMITED | NI072308 | 20/04/2009 | Dissolved |
| CAPITAL HOUSE 15 LIMITED | NI072305 | 22/04/2009 | Dissolved |
| CAPITAL HOUSE 16 LIMITED | NI072306 | 20/04/2009 | Dissolved |
| CAPITAL HOUSE 20 LIMITED | NI073018 | 26/06/2009 | Dissolved |
| JTS MANUFACTURING LTD | NI063439 | 16/02/2009 | Dissolved |
| MAGNUM INSTALLATIONS (N.I.) LIMITED | NI031029 | 20/06/1996 | Dissolved |
| MAGNUM RENTALS (N.I.) LIMITED | NI030510 | 20/02/1996 | Dissolved |
| MIDDLETOWN CENTRE FOR AUTISM (HOLDINGS) LIMITED | NI050864 | 07/06/2004 | Bronze |
| MIDDLETOWN CENTRE FOR AUTISM LIMITED | NI063661 | 16/03/2007 | Silver |
| Q LABS LIMITED | NI623481 | 18/03/2014 | Dissolved |
| Q PARK (NI) LIMITED | NI053470 | 06/01/2005 | Gold |
| THOMAS CAFFREY BREWING COMPANY LIMITED | NI028243 | 07/03/1994 | Dissolved |
| THOMPSON AEROSPACE LIMITED | NI068352 | 16/02/2009 | Dissolved |
| THOMPSON GROUP HOLDINGS LIMITED | NI071305 | 11/12/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 352 MEDICAL LIMITED | NI056235 | 16/08/2005 | 21/09/2005 | Gold |
| AXIS COMPOSITES LIMITED | NI602046 | 08/02/2010 | 28/02/2011 | Gold |
| BELFAST GAS TRANSMISSION FINANCING PLC | NI067348 | 16/01/2008 | 26/09/2009 | Amber |
| BELFAST GAS TRANSMISSION HOLDINGS LIMITED | NI067681 | 16/01/2008 | 26/09/2009 | Not Trading |
| BELFAST GAS TRANSMISSION LIMITED | NI026420 | 31/03/2008 | 26/09/2009 | Amber |
| BELGARD MANAGEMENT LIMITED | 07413996 | 05/11/2015 | 13/05/2016 | Gold |
| BRANCH CAMPUS (LONDON & BIRMINGHAM) LIMITED | NI614694 | 22/01/2013 | 01/09/2017 | Bronze |
| BROOK VENT HOLDINGS LIMITED | NI057022 | 27/10/2005 | 03/11/2005 | Bronze |
| CITY FACILITIES MANAGEMENT (NORTHERN IRELAND) LIMITED | NI065640 | 19/07/2007 | 14/09/2007 | Bronze |
| D MCGRANAGHAN LIMITED | NI006301 | 27/05/2008 | 01/11/2018 | Gold |
| EZ-DSP LIMITED | NI041833 | 01/11/2001 | 01/06/2006 | Dissolved |
| FORESTSIDE ACQUISITIONS LIMITED | NI625754 | 18/07/2014 | 12/09/2023 | One Red Flag |
| FOYLESIDE ACQUISITIONS LIMITED | NI625875 | 29/07/2014 | 21/09/2023 | One Red Flag |
| HUNTER TIMBER IRELAND LIMITED | NI008511 | 01/10/2010 | 13/11/2012 | Dissolved |
| INTERCONNECTOR SERVICES (NI) LIMITED | NI058161 | 15/02/2006 | 26/09/2009 | Gold |
| KEMEK LTD | NI009832 | 17/02/2006 | 31/10/2007 | Bronze |
| LENIS AER LIMITED | NI604539 | 08/10/2010 | 15/09/2011 | Dissolved |
| LOUGH SHORE TECHNOLOGIES LIMITED | NI614308 | 04/09/2012 | 03/09/2015 | One Red Flag |
| NI61087 LIMITED | NI061087 | 10/07/2007 | 28/09/2007 | Dissolved |
| ORICA BLAST & QUARRY SURVEYS LIMITED | NI063575 | 13/03/2007 | 23/01/2020 | Amber |
| PADDY POWER (NORTHERN IRELAND) LIMITED | NI065409 | 03/12/2008 | 01/11/2018 | Silver |
| PHILIPS HEALTHCARE INFORMATICS LIMITED | NI027687 | 04/04/2008 | 06/11/2009 | Not Trading |
| POWER LEISURE BOOKMAKERS LIMITED | 03822566 | 29/09/2015 | 12/05/2016 | Silver |
| TALENT CONNECT NETWORK LIMITED | NI611534 | 05/03/2012 | 05/03/2015 | Dissolved |
| THETIS ENERGY LIMITED | NI070021 | 24/03/2010 | 30/07/2013 | Dissolved |
| WEST TRANSMISSION LIMITED | NI073229 | 17/07/2009 | 26/02/2010 | Amber |