| Company | Timeline | Status | |
| Tachograph Chester Limited Secretary • Unreported | 4 Jan 1993←33 Years→Current | Active | |
| Tachograph Chester Limited Director • Director | 4 May 1992←33 Years→Current | Active | |
Tachograph Readers Limited Director • Consultant | 4 May 1991←24 Years→15 Dec 2015 | Dissolved | |
