| Company | Timeline | Status | |
| Spiroflow UK Limited Secretary • Accountant | 20 Mar 2005←8 Years→7 May 2013 | Dissolved | |
| Spiroflow Powder Handling Limited Secretary • Accountant | 20 Mar 2005←8 Years→7 May 2013 | Dissolved | |
| Spiroflow Limited Secretary • Accountant | 20 Mar 2005←7 Years→23 Oct 2012 | Active | |
