| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| KINETICS TECHNOLOGY (UK) LIMITED | SC404273 | 27/07/2011 | Dissolved |
| KINETICS TECHNOLOGY LIMITED | SC426827 | 29/06/2012 | Dissolved |
| SCOTFAB LIMITED | SC415689 | 30/01/2012 | Dissolved |
| SPEX ENGINEERING (UK) LIMITED | SC499034 | 14/04/2015 | One Red Flag |
| SPEX ENGINEERING LIMITED | SC379535 | 04/07/2012 | Gold |
| SPEX GROUP HOLDINGS LIMITED | SC528327 | 04/04/2016 | Amber |
| SPEX OFFSHORE (UK) LIMITED | SC398792 | 18/04/2013 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CYTOSYSTEMS LIMITED | SC276481 | 03/04/2009 | 31/03/2014 | Insolvent |
| ENERCO GROUP UK LTD | SC374120 | 04/03/2010 | 31/01/2015 | Dissolved |
| GENERAL SERVICES 1 LIMITED | SC432375 | 28/10/2013 | 20/06/2016 | Insolvent |
| GENERAL SERVICES 2 LIMITED | SC358360 | 15/07/2010 | 20/06/2016 | Insolvent |
| OPTIMA SOLUTIONS HOLDINGS LIMITED | SC331704 | 01/02/2008 | 09/03/2012 | Bronze |
| OPTIMA SOLUTIONS UK LIMITED | SC194883 | 31/03/1999 | 05/04/2012 | Gold |
| SPEX PRODUCTION LIMITED | SC278109 | 22/07/2011 | 20/06/2016 | Dissolved |