| Company | Timeline | Status | |
| GT Thermal Controls Limited Secretary • Company Director | 9 Nov 1999←25 Years→Current | Active | |
| City Business Services UK Ltd Secretary • Company Director | 9 Nov 1999←25 Years→Current | Active | |
| GT Gas Distribution Limited Secretary • Company Director | 9 Nov 1999←25 Years→17 Jan 2025 | Dissolved | |
| Automatic Pumps Limited Secretary • Company Secretary | 16 Oct 1996←29 Years→Current | Active | |
| Universal Maintenance Products Limited Secretary • Company Director | 16 Oct 1996←29 Years→Current | Active | |
| GT Gas Limited Secretary • Unreported | 18 Dec 1995←29 Years→Current | Active | |
| G.T. Combustion Spares Limited Secretary • Company Director | 12 Sep 1994←31 Years→Current | Active | |
| G.T. Combustion Spares Limited Director • Company Director | 12 Sep 1994←31 Years→Current | Active | |
| G.T. Thermal Limited Director • Director | 25 Aug 1994←20 Years→18 Aug 2015 | Dissolved | |
| G.T. Thermal Limited Secretary • Director | 25 Aug 1994←20 Years→18 Aug 2015 | Dissolved | |
