| Company | Timeline | Status | |
| J.S Highfield Holdings Limited Director • General Manager | 25 Sep 2025←3 Months→Current | Active | |
| J.S.Highfield Limited Director • General Manager | 24 Sep 2025←3 Months→Current | Active | |
| J.S Highfield Holdings Limited Director • Haulage Contractor | 3 Jul 2023←1 Day→3 Jul 2023 | Active | |
