| Company | Timeline | Status | |
| Plumbing Pensions (U.K.) Administration Limited Director • Master Plumber | 25 May 1990←1 Year 9 Months→19 Feb 1992 | Active | |
| Plutos Holidays (1972) Limited Director • Master Plumber | 5 Sep 1989←5 Years→26 May 1995 | Active | |
David W. Smith Limited Director • Plumber | 14 Aug 1989←30 Years→30 Nov 2019 | Dissolved | |
