| Company | Timeline | Status | |
| Birkenshaw Distributors Limited Director • Unreported | 24 Nov 1989←4 Years→28 Jan 1994 | Active | |
| Stepgrades Motor Accessories Limited Director • Tyre Distributor | 24 Nov 1989←4 Years→28 Jan 1994 | Active | |
| Birkenshaw Tyre Company Limited Director • Tyre Distributor | 24 Nov 1989←4 Years→28 Jan 1994 | Active | |
