| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACERIS LIMITED | SC230020 | 24/04/2002 | One Red Flag |
| Boston Leaf Products Ltd | SC174923 | 13/02/1998 | Dissolved |
| Boston Leaf Products Ltd | SC174923 | 31/10/1997 | Dissolved |
| Cellstructures Spv Ltd | 04316792 | 20/05/2002 | Dissolved |
| Denovo Construction Management Ltd | SC357014 | 23/03/2009 | Dissolved |
| GLENDOUNE LIMITED | SC390573 | 20/12/2010 | Silver |
| GREENHAGS ENERGY COMPANY LIMITED | SC474825 | 09/04/2014 | One Red Flag |
| NATURAL BIOGAS LIMITED | SC441907 | 04/02/2013 | Dissolved |
| PEAT FENWICK WATSON LTD | SC356920 | 20/03/2009 | Dissolved |
| Vitanutra Foods Ltd | SC180728 | 13/01/1998 | Dissolved |
| Vitanutra Foods Ltd | SC180728 | 11/12/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABM INTELLIGENCE LIMITED | 03319098 | 09/08/2016 | 23/11/2020 | One Red Flag |
| ALTIA SOLUTIONS LIMITED | SC228451 | 27/03/2002 | 01/09/2003 | Bronze |
| ALTIA SOLUTIONS LIMITED | SC228451 | 27/03/2002 | 18/06/2003 | Bronze |
| ALTIA-ABM GROUP LIMITED | 10931097 | 24/08/2017 | 23/11/2020 | Bronze |
| CAMPBELTOWN SHIPYARD LIMITED | SC044581 | 01/03/1996 | 11/11/1997 | Dissolved |
| Davaar Shipping (Campbeltown) Ltd | SC158457 | 23/02/1996 | 11/11/1997 | Dissolved |
| ECOVENTI HOLDINGS LIMITED | NI612333 | 21/06/2012 | 10/01/2013 | Dissolved |
| ECOVENTI UTILITIES LIMITED | NI610090 | 11/10/2012 | 10/01/2013 | Dissolved |
| FIELDS & TOWERS LIMITED | 03080311 | 29/04/2006 | 31/03/2008 | One Red Flag |
| FIELDS & TOWERS LIMITED | 03080311 | 01/12/2004 | 31/03/2008 | One Red Flag |
| IMPERIAM LIMITED | SC342845 | 13/05/2008 | 31/12/2017 | Silver |
| ORION PRACTICE MANAGEMENT SYSTEMS LIMITED | SC257231 | 07/01/2013 | 01/06/2017 | Silver |
| OVERTHEROAD LIMITED | SC364775 | 28/08/2009 | 01/02/2010 | Dissolved |
| QUANTUM SOLUTIONS LIMITED | SC354130 | 28/01/2009 | 01/06/2011 | One Red Flag |
| THE FLYING BOAT BREWERY COMPANY LIMITED | SC472348 | 13/03/2014 | 04/12/2017 | Dissolved |
| THE WIRELESS ASSET COMPANY LIMITED | 05803392 | 20/10/2006 | 31/03/2008 | Bronze |
| THE WIRELESS ASSET COMPANY LIMITED | 05803392 | 20/10/2006 | 31/03/2008 | Bronze |
| THE WIRELESS DEVELOPMENT COMPANY LIMITED | 03078180 | 20/05/2002 | 31/03/2008 | Not Trading |
| THE WIRELESS DEVELOPMENT COMPANY LIMITED | 03078180 | 19/05/2006 | 31/03/2008 | Not Trading |
| THE WIRELESS INFRASTRUCTURE COMPANY LIMITED | 03307001 | 20/05/2002 | 31/03/2008 | Bronze |
| THE WIRELESS INFRASTRUCTURE COMPANY LIMITED | 03307001 | 19/05/2006 | 31/03/2008 | Bronze |
| THE WIRELESS RESOURCES COMPANY LIMITED | 04284814 | 20/05/2002 | 31/03/2008 | Silver |
| THE WIRELESS RESOURCES COMPANY LIMITED | 04284814 | 20/10/2006 | 31/03/2008 | Silver |
| THINK DIFFERENT EVENTS LIMITED | SC366035 | 24/09/2009 | 01/12/2013 | Gold |
| Thistle Education & Consultancy Company Ltd | SC138982 | 03/09/2001 | 31/01/2006 | Dissolved |
| WIRELESS INFRASTRUCTURE GROUP LIMITED | 05435379 | 21/12/2005 | 14/03/2008 | One Red Flag |
| WIRELESS INFRASTRUCTURE GROUP LIMITED | 05435379 | 20/07/2005 | 21/12/2005 | One Red Flag |
| XALTIA TECHNOLOGY LIMITED | 09059148 | 28/05/2014 | 23/11/2020 | Not Trading |