| Company | Timeline | Status | |
| Tritech Ground Engineering Ltd Director • Director | 1 Apr 2025←6 Months→Current | Active | |
| A E Yates Directional Drilling Ltd Director • Civil Engineer | 1 Feb 2020←5 Years→Current | Active | |
| A E Yates Trenchless Solutions Limited Director • Hdd Operations Manager | 1 May 2017←8 Years→Current | Active | |
| Trenchless Holdings Limited Director • Operations Manager | 22 Feb 2016←9 Years→Current | Active | |
