| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUTE BUSINESS PARK NOMINEES LIMITED | SC156174 | 17/10/2003 | Dissolved |
| BUTE BUSINESS PARK NOMINEES LIMITED | SC156174 | 31/08/2007 | Dissolved |
| McColl McGregor Ltd | SC119125 | 17/10/2003 | Dissolved |
| McColl McGregor Ltd | SC119125 | 31/08/2007 | Dissolved |
| SIGDEV LIMITED | SC168755 | 17/10/2003 | Dissolved |
| TSC CALL CENTRES LIMITED | SC168756 | 17/10/2003 | Dissolved |
| TSC CALL CENTRES LIMITED | SC168756 | 31/08/2007 | Dissolved |
| TSC CREDIT MANAGEMENT LIMITED | SC170464 | 17/10/2003 | Dissolved |
| TSC TRAINING LIMITED | SC168754 | 17/10/2003 | Dissolved |
| TSC TRAINING LIMITED | SC168754 | 31/08/2007 | Dissolved |
| Tsc Dunoon Ltd | SC173927 | 17/10/2003 | Dissolved |
| Tsc Dunoon Ltd | SC173927 | 31/08/2007 | Dissolved |
| Tsc Holdings Ltd | SC195049 | 17/10/2003 | Dissolved |
| Tsc Holdings Ltd | SC195049 | 31/08/2007 | Dissolved |
| Tsc International Ltd | SC170183 | 17/10/2003 | Dissolved |
| Tsc International Ltd | SC170183 | 31/08/2007 | Dissolved |
| Tsc Research & Development Ltd | SC168752 | 17/10/2003 | Dissolved |
| Tsc Research & Development Ltd | SC168752 | 31/08/2007 | Dissolved |
| Tsc Rothesay Ltd | SC168753 | 17/10/2003 | Dissolved |
| Tsc Rothesay Ltd | SC168753 | 31/08/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CONCENTRIX MANAGEMENT SERVICE (UK) LTD | SC325435 | 31/08/2007 | 04/02/2022 | One Red Flag |
| CONCENTRIX TSC UK LTD | SC146564 | 27/05/2003 | 04/02/2022 | Silver |
| DALGLEN (NO. 823) LIMITED | SC231283 | 27/03/2003 | 04/02/2022 | Strike Off |
| GENIAC HOLDINGS LIMITED | 08844784 | 14/01/2014 | 15/12/2014 | Dissolved |
| GENIAC UK LIMITED | 08845553 | 14/01/2014 | 15/12/2014 | Dissolved |
| GO BEYOND SERVICES LTD | SC406922 | 09/09/2011 | 01/10/2017 | Bronze |