| Company | Timeline | Status | |
| Napier Limited Secretary • Director | 6 Jul 1998←27 Years→Current | Active | |
| Napier Of London Limited Director • Unreported | 27 Nov 1997←27 Years→Current | Active | |
| Napier Of London Limited Secretary • Director | 27 Nov 1997←27 Years→Current | Active | |
| Napier Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
