| Company | Timeline | Status | |
| Malcolm L.Hall(Plumbing)Limited Director • Company Director | 25 Feb 1992←6 Years→2 Jul 1998 | Dissolved | |
| Malcolm L. Hall (Heating) Limited Director • Director | 31 Dec 1991←6 Years→2 Jul 1998 | Active | |
| Malcolm L. Hall (Heating) Limited Director • Unreported | 1 Jan 1970←28 Years→2 Jul 1998 | Active | |
