| Company | Timeline | Status | |
| Chalk Hill Garage Limited Director • Industrial Chemist | 10 Dec 1992←27 Years→12 Apr 2020 | Dissolved | |
Chalk Hill Service Station Limited Director • Director | 3 Aug 1992←25 Years→5 Sep 2017 | Dissolved | |
| Cis-Tek (UK) Group Ltd Director • Industrial Chemist | 31 Jan 1991←29 Years→12 Apr 2020 | Dissolved | |
| Chalk Hill Limited Director • Industrial Chemist | 31 Dec 1990←29 Years→12 Apr 2020 | Active | |
