| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BANGOR MARINE LIMITED | NI661348 | 13/05/2019 | One Red Flag |
| BLACKBOURNE ECL LIMITED | NI024607 | 12/02/2002 | Dissolved |
| BRYAN JAR LIMITED | NI681759 | 20/08/2021 | Bronze |
| BRYAN PROPERTY LIMITED | NI649155 | 27/11/2017 | One Red Flag |
| BRYAN STREET MANAGEMENT COMPANY LIMITED | NI667953 | 24/02/2020 | Dissolved |
| CONSUL SERVICES (NI) LIMITED | NI033040 | 02/10/1997 | Bronze |
| CONSUL SERVICES (NI) LIMITED | NI033040 | 15/01/2001 | Bronze |
| CONSUL SERVICES FM LIMITED | NI053082 | 24/03/2005 | Silver |
| CONSUL SERVICES HOLDINGS LIMITED | NI053084 | 17/01/2005 | One Red Flag |
| EIBAR LIMITED | NI629827 | 03/07/2015 | Bronze |
| ERSTELLEN INDUSTRIES LTD | NI621274 | 05/11/2013 | Dissolved |
| JERAS LIMITED | NI602501 | 16/03/2010 | Silver |
| KARL - NORTHERN LIMITED | NI034758 | 08/09/1998 | Dissolved |
| KARL - NORTHERN LIMITED | NI034758 | 21/12/1998 | Dissolved |
| KARL AIRPORT PARKING LIMITED | NI022047 | 19/10/1988 | Not Trading |
| KARL CONSTRUCTION (SCOTLAND) LIMITED | SC184501 | 30/03/1998 | Dissolved |
| KARL CONSTRUCTION LIMITED | NI011017 | 19/11/1975 | Not Trading |
| KARL DEVELOPMENTS LTD | NI033590 | 06/02/1998 | Not Trading |
| KARL GREENFARM LIMITED | NI040915 | 10/03/2008 | Dissolved |
| KARL GREENFARM LIMITED | NI040915 | 10/03/2008 | Dissolved |
| KARL HOLDINGS LIMITED | NI022050 | 19/10/1988 | Silver |
| KARL PROPERTIES LIMITED | NI026941 | 14/10/1992 | Not Trading |
| KARL PROPERTY INVESTMENTS LIMITED | NI606512 | 01/11/2019 | Bronze |
| Karl Wells Ltd | 03166772 | 20/09/1999 | Dissolved |
| LUCHS LTD | NI654231 | 05/07/2018 | Dissolved |
| MUSCHKA LTD | NI654204 | 04/07/2018 | Dissolved |
| PILUT LIMITED | NI655596 | 10/09/2018 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARMAGH HOUSE LIMITED | NI632047 | 22/06/2015 | 03/09/2018 | Bronze |
| CONSTRUCTION EMPLOYERS FEDERATION LIMITED | NI001944 | 18/02/1999 | 08/09/2003 | Gold |
| COURTYARD (ORBY) MANAGEMENT COMPANY LIMITED-THE | NI043971 | 04/09/2002 | 01/08/2005 | Gold |
| COURTYARD (ORBY) MANAGEMENT COMPANY LIMITED-THE | NI043971 | 18/09/2002 | 07/11/2006 | Gold |
| Karl Wells Ltd | 03166772 | 20/09/1999 | 12/08/2002 | Dissolved |
| OBEL LIMITED | NI054487 | 14/01/2008 | 29/04/2016 | Dissolved |
| OBEL OFFICES LIMITED | NI602941 | 23/04/2010 | 29/04/2016 | Dissolved |
| WOMEN IN BUSINESS NI LTD | NI054763 | 21/10/2014 | 14/11/2017 | Silver |