| Company | Timeline | Status | |
| Grenfell And Sons Limited Director • Heating Engineer | 4 Feb 1992←33 Years→Current | Active | |
| Grenfell And Sons Limited Director • Heating Engineer | 4 Feb 1991←1 Year→4 Feb 1992 | Active | |
| C.W. Ingham & Son Limited Director • Heating Engineer | 31 Dec 1990←35 Years→Current | Active | |
