| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Ellis Enterprises Limited | 02820388 | 21/05/1993 | Dissolved |
| SYRIUS CONSULTING LIMITED | 12143176 | 07/08/2019 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONNECT PLUS (M25) HOLDINGS LIMITED | 06684025 | 18/05/2009 | 03/04/2017 | Bronze |
| CONNECT PLUS (M25) INTERMEDIATE LIMITED | 06714713 | 18/05/2009 | 03/04/2017 | Amber |
| CONNECT PLUS (M25) LIMITED | 06683845 | 18/05/2009 | 03/04/2017 | Bronze |
| Concord (U K) Ltd | 02719004 | 28/08/1992 | 30/06/1997 | Dissolved |
| M.A.S. Lothian & Co. Ltd | 03167151 | 26/03/1996 | 25/06/2004 | Dissolved |
| SCHOFIELD LOTHIAN GROUP LIMITED | 03172776 | 15/03/1996 | 18/06/2004 | Dissolved |
| Schofield Rail Ltd | 03322948 | 26/02/1997 | 25/06/2004 | Dissolved |
| Sclot Ltd | 02118767 | 21/01/1992 | 09/06/2004 | Dissolved |