| Company | Timeline | Status | |
| Sig Retirement Benefits Plan Trustee Limited Director • Company Director | 22 Nov 2010←8 Years→2 Oct 2019 | Active | |
| Sig Insulations Limited Director • Company Director | 27 Sep 2007←6 Years→31 Mar 2014 | Dissolved | |
| Sheffield Insulations Limited Director • Company Director | 1 Sep 1997←16 Years→31 Mar 2014 | Active | |
