| Company | Timeline | Status | |
| Angelvale Management Company Limited Director • Instrument Manuf | 7 Aug 2006←19 Years→Current | Active | |
| DP Measurement Limited Director • Company Director | 16 Dec 1998←27 Years→Current | Active | |
| Associated Instruments Repairs Limited Director • Proprietor | 24 Dec 1997←28 Years→Current | Active | |
