| Company | Timeline | Status | |
| G Parker Engineering Limited Director • Unreported | 10 May 2023←2 Years 6 Months→Current | Active | |
| KTL Tooling Limited Director • Director | 31 Dec 2018←3 Years→22 Mar 2022 | Dissolved | |
| M Parker Holdings Limited Director • Director | 19 Dec 2018←3 Years→24 May 2022 | Dissolved | |
G. Parker Advanced Manufacturing Solutions Limited Director • Director | 10 Jan 2017←2 Years 3 Months→30 Apr 2019 | Dissolved | |
| Tool Management Services Limited Director • Accountant | 22 Mar 2002←23 Years→5 Sep 2025 | Dissolved | |
