| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALLIED IRISH BANKS PLC | NF001825 | 06/09/2007 | Dissolved |
| CENTRE FOR COMPETITIVENESS (NI) LIMITED | NI030353 | 15/01/1996 | Bronze |
| DALE FARM GROUP LIMITED | NI636820 | 02/03/2016 | Dissolved |
| MIVAN (UK) LIMITED | NI056975 | 01/10/2007 | Dissolved |
| MIVAN GROUP HOLDING (UK) LIMITED | NI056952 | 24/10/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIB GROUP (UK) P.L.C. | NI018800 | 25/10/2007 | 31/10/2016 | Gold |
| ANDERSON SPRATT GROUP HOLDINGS LIMITED | NI015945 | 12/10/2007 | 31/12/2023 | Amber |
| BAILIE GROUP LIMITED | NI005822 | 01/03/2008 | 29/12/2017 | Bronze |
| BRITISH CHAMBERS OF COMMERCE | 00009635 | 03/09/1998 | 21/08/2000 | Gold |
| BUSINESS IN THE COMMUNITY | 01619253 | 01/01/1996 | 31/12/1998 | Bronze |
| COLLINBRIDGE HOLDINGS LTD | NI604024 | 30/04/2021 | 31/03/2023 | Gold |
| DALE FARM LIMITED | NI025356 | 01/07/2015 | 01/04/2022 | Bronze |
| LAGAN HOMES GROUP LTD | NI628016 | 20/04/2018 | 11/10/2021 | Silver |
| LAGAN INVESTMENTS HOLDINGS LTD | NI604018 | 30/04/2021 | 31/03/2023 | Silver |
| LAGAN PROPERTY INVESTMENTS HOLDINGS LTD | NI604017 | 30/04/2021 | 31/03/2023 | Amber |
| NI OPERA | NI601681 | 21/12/2009 | 30/06/2024 | Bronze |
| NORTHERN IRELAND CHAMBERS OF COMMERCE AND INDUSTRY | R0000078 | 24/08/1869 | 31/05/2002 | Bronze |
| NORTHERN IRELAND ELECTRICITY NETWORKS LIMITED | NI026041 | 04/03/2011 | 03/03/2020 | Silver |
| PRICEWATERHOUSECOOPERS ASSOCIATES (N.I.) LIMITED | NI009326 | 12/03/1973 | 13/09/2007 | Dissolved |
| PRICEWATERHOUSECOOPERS FINANCIAL SERVICES (NI LIMITED | NI021115 | 14/12/1987 | 13/09/2007 | Dissolved |
| PRICEWATERHOUSECOOPERS NORTHERN IRELAND LIMITED | NI034323 | 09/06/1998 | 13/09/2007 | Dissolved |
| SOS N.I. | NI061293 | 01/10/2008 | 24/07/2012 | Gold |