| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUCHAN 2 LIMITED | SC644003 | 10/09/2024 | Bronze |
| Bridgetest Technical Services Ltd | 03266332 | 07/11/2007 | Dissolved |
| CARILLION PLC | 03782379 | 02/07/2015 | Insolvent |
| Twg Engineering (No.6) Ltd | 03129282 | 07/11/2007 | Dissolved |
| Twg Engineering (No.8) Ltd | 02652453 | 07/11/2007 | Dissolved |
| Weir Usa Investments Ltd | SC276532 | 03/07/2006 | Dissolved |
| Wingrove & Rogers Ltd | 02655312 | 07/11/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUCHAN 1 LIMITED | SC643850 | 19/02/2020 | 05/11/2024 | Bronze |
| CAPSTEAD SYSTEMS LIMITED | 02477763 | 07/11/2007 | 13/05/2010 | Dissolved |
| CARILLION (AMBS) LIMITED | SC020258 | 12/12/2017 | 14/02/2018 | Insolvent |
| CARILLION INTEGRATED SERVICES LIMITED | 03679838 | 12/12/2017 | 14/02/2018 | Insolvent |
| CARILLION SERVICES LIMITED | 03011791 | 12/12/2017 | 14/02/2018 | Insolvent |
| CATHCART (1993) LIMITED | 00733842 | 03/07/2006 | 13/05/2010 | Dissolved |
| CUNNINGTON AND COOPER LIMITED | 02009791 | 07/11/2007 | 13/05/2010 | Dissolved |
| G. & J. WEIR, LIMITED | 02490830 | 07/11/2007 | 13/05/2010 | Not Trading |
| HARMCATCH LIMITED | 00527193 | 07/11/2007 | 13/05/2010 | Dissolved |
| HOPKINSONS LIMITED | SC146392 | 03/07/2006 | 13/05/2010 | Dissolved |
| ROYAL SCOTTISH NATIONAL ORCHESTRA SOCIETY (PROPERTIES) LIMITED | SC064429 | 04/09/2009 | 28/08/2015 | Not Trading |
| ROYAL SCOTTISH NATIONAL ORCHESTRA SOCIETY LIMITED | SC027809 | 22/08/2008 | 28/08/2015 | Silver |
| SOVEREIGN HOSPITAL SERVICES LIMITED | 03232308 | 12/12/2017 | 14/02/2018 | Insolvent |
| THIRD ENERGY ONSHORE LIMITED | 04946049 | 08/09/2017 | 12/09/2018 | Silver |
| TWG CANADA HOLDINGS LIMITED | SC288837 | 03/07/2006 | 10/05/2010 | Silver |
| TWG ENGINEERING (NO.1) LIMITED | 02456351 | 03/07/2006 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.2) LIMITED | 02671386 | 03/07/2006 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.3) LIMITED | 02029377 | 07/11/2007 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.4) LIMITED | 02477771 | 07/11/2007 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.5) LIMITED | 02640829 | 07/11/2007 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.7) LIMITED | 02531890 | 07/11/2007 | 13/05/2010 | Dissolved |
| TWG ENGINEERING (NO.9) LIMITED | 02700147 | 07/11/2007 | 13/05/2010 | Dissolved |
| TWG INVESTMENTS (NO. 6) LIMITED | SC292269 | 03/07/2006 | 10/05/2010 | Silver |
| TWG INVESTMENTS (NO. 7) LIMITED | SC292270 | 03/07/2006 | 10/05/2010 | Gold |
| TWG INVESTMENTS (NO. 8) LIMITED | SC292721 | 03/07/2006 | 10/05/2010 | Silver |
| TWG INVESTMENTS (NO.1) LIMITED | SC152727 | 03/07/2006 | 13/05/2010 | Dissolved |
| TWG INVESTMENTS (NO.3) LIMITED | SC197235 | 03/07/2006 | 10/05/2010 | Bronze |
| TWG UK FOREX LIMITED | SC304548 | 20/07/2006 | 10/05/2010 | Dissolved |
| TWG UK HOLDINGS LIMITED | SC311635 | 08/11/2006 | 10/05/2010 | Gold |
| TWG US FOREX LIMITED | SC304551 | 20/07/2006 | 10/05/2010 | Dissolved |
| WEIR DRILLING SERVICES LIMITED | 01740020 | 03/07/2006 | 13/05/2010 | Dissolved |
| WEIR FINANCE LIMITED | SC225402 | 03/07/2006 | 13/05/2010 | Dissolved |
| WEIR GROUP (OVERSEAS HOLDINGS) LIMITED | SC054821 | 03/07/2006 | 10/05/2010 | Silver |
| WEIR GROUP AFRICAN IP LIMITED | SC333781 | 29/11/2007 | 10/05/2010 | Silver |
| WEIR GROUP HOLDINGS LIMITED | SC187227 | 03/07/2006 | 10/05/2010 | Bronze |
| WEIR GROUP INVESTMENTS LIMITED | SC161480 | 03/07/2006 | 10/05/2010 | Dissolved |
| WEIR GROUP IP LIMITED | SC267963 | 04/12/2012 | 30/09/2016 | Silver |
| WEIR GROUP PLC(THE) | SC002934 | 03/07/2006 | 30/09/2016 | Silver |
| WEIR HOLDINGS BV | SF000957 | 03/07/2006 | 02/07/2010 | Gold |
| WEIR MATERIALS LIMITED | SC107219 | 09/10/2007 | 13/05/2010 | Dissolved |
| WEIR WATER TREATMENT LIMITED | 00168011 | 29/10/2007 | 13/05/2010 | Strike Off |
| WOKINGHAM FINANCE COMPANY LIMITED | 00642662 | 03/07/2006 | 10/05/2010 | Dissolved |