| Company | Timeline | Status | |
| Suboptic Limited Director • Consultant | 16 Nov 2011←5 Years→4 Feb 2017 | Active | |
| Mary Feilding Guild Director • Engineer | 6 Feb 1997←18 Years→24 Sep 2015 | Dissolved | |
Easelock Communications Limited Director • Telecommunications Consultant | 28 Oct 1996←21 Years→17 Apr 2018 | Dissolved | |
