| Company | Timeline | Status | |
| Thomas Miller (Management Services) Ltd Director • Unreported | 31 Dec 2004←20 Years→31 Jul 2025 | Dissolved | |
| TMC Trustee Company Limited Director • Executive | 6 Mar 2002←8 Years→31 Oct 2010 | Active | |
| Thomas Miller Hamilton Ltd Director • Executive | 1 Jan 2001←4 Years→31 Dec 2004 | Dissolved | |
| Thomas Miller Defence Ltd Director • Director | 1 Jul 1999←20 Years→30 Sep 2019 | Active | |
