| Company | Timeline | Status | |
| Precision Machined Components Limited Director • Chief Executive | 1 Oct 2018←7 Years→Current | Active | |
| Chesterfield Cylinders Limited Director • Chief Executive | 1 Oct 2018←7 Years→Current | Active | |
| Chesterfield Tube Company Limited Director • Chief Executive | 1 Oct 2018←7 Years→Current | Active | |
| Chesterfield Special Cylinders Limited Director • Chief Executive | 1 Oct 2018←7 Years→Current | Active | |
| Chesterfield Pressure Systems Group Limited Director • Chief Executive | 1 Oct 2018←7 Years→Current | Active | |
| PT Precision Machined Components Limited Director • Chief Executive | 1 Oct 2018←6 Years→8 Oct 2024 | Active | |
| PT Biogas Technology Limited Director • Chief Executive | 1 Oct 2018←8 Months→3 Jun 2019 | Active | |
| PT Biogas Holdings Limited Director • Chief Executive | 1 Oct 2018←8 Months→3 Jun 2019 | Active | |
| Greenlane Biogas Europe Limited Director • Chief Executive | 1 Oct 2018←8 Months→3 Jun 2019 | Active | |
| Quadscot Holdings Limited Director • Chief Executive | 1 Oct 2018←6 Years→8 Oct 2024 | Active | |
