| Company | Timeline | Status | |
| Tachograph Chester Limited Director • Engineer | 4 May 1992←24 Years→6 Apr 2017 | Active | |
| W.E.Anfield & Company Limited Director • Engineer | 9 May 1991←3 Years→10 Jun 1994 | Active | |
Tachograph Readers Limited Secretary • Unreported | 4 May 1991←24 Years→15 Dec 2015 | Dissolved | |
Tachograph Readers Limited Director • Engineer | 4 May 1991←24 Years→15 Dec 2015 | Dissolved | |
