| Company | Timeline | Status | |
| RMS Realisations Limited Director • Business Executive | 1 Jul 2015←10 Years→14 Jul 2025 | Dissolved | |
| Ultrasoc Technologies Limited Director • Managing Director | 13 Sep 2005←9 Years→7 Nov 2014 | Dissolved | |
| Cambridge Science & Technology Consultants Limited Director • Scientist/director | 17 Nov 2003←22 Years→Current | Active | |
