| Company | Timeline | Status | |
| Slate Heritage International Director • Director | 21 Jun 1996←2 Years 6 Months→23 Dec 1998 | Active | |
| Quarry Tours Limited Director • Company Director | 17 Apr 1992←6 Years→23 Dec 1998 | Active | |
| Greaves Welsh Slate Company Limited Director • Director | 6 Jul 1991←7 Years→23 Dec 1998 | Active | |
| J.W.Greaves & Sons,Limited Director • Director | 6 Jul 1991←7 Years→23 Dec 1998 | Active | |
| Greaves Ellis Davies & Company Limited Director • Director | 5 Jul 1991←7 Years→23 Dec 1998 | Dissolved | |
