| Company | Timeline | Status | |
| Weston Park Hospital Development Fund Limited Director • Retired Company Director | 30 Sep 1996←7 Years→30 Sep 2003 | Active | |
| Ashtons (Sheffield) Limited Director • Director | 15 May 1991←4 Years→1 Jan 1996 | Active | |
| Ashton Seals Usa Limited Director • Director | 15 May 1991←4 Years→1 Jan 1996 | Dissolved | |
| Ashton Seals Limited Director • Director | 15 May 1991←4 Years→1 Jan 1996 | Active | |
| Thomas A. Ashton Limited Director • Director | 15 May 1991←8 Years→31 Dec 1999 | Active | |
| Ashton Seals Usa Limited Director • Unreported | 1 Jan 1970←26 Years→1 Jan 1996 | Dissolved | |
