| Company | Timeline | Status | |
| Lucas Power & Control Limited Director • Director | 17 Jul 2001←21 Years→27 Dec 2022 | Dissolved | |
| GDR Associates Limited Director • Sales Engineer | 19 Feb 2001←20 Years→21 Dec 2021 | Dissolved | |
| Weirgrove Automation Limited Director • Engineering | 11 Jun 1996←24 Years→2 Mar 2021 | Active | |
| G.D. Underwood (Wallingford) Limited Director • Sales Engineer | 15 Nov 1991←31 Years→27 Dec 2022 | Dissolved | |
| G.D. Underwood (Wallingford) Limited Secretary • Unreported | 15 Nov 1991←31 Years→27 Dec 2022 | Dissolved | |
Phillipsons Electrical Contractors Limited Director • Sales Engineer | 15 Nov 1991←27 Years→7 Nov 2019 | Dissolved | |
| Broadway Chambers (Whetstone) Limited Director • Sales Engineer | 13 Feb 1991←31 Years→27 Dec 2022 | Dissolved | |
| Broadway Chambers (Whetstone) Limited Secretary • Unreported | 13 Feb 1991←31 Years→27 Dec 2022 | Dissolved | |
| Uep Switchgear Limited Director • Sales Engineer | 13 Feb 1991←30 Years→2 Mar 2021 | Active | |
| Underwoods Electrical Distributors Limited Director • Sales Engineer | 13 Feb 1991←30 Years→2 Mar 2021 | Active | |
