| Company | Timeline | Status | |
| Soils & Materials Testing Limited Director • Director | 13 May 2021←1 Year 10 Months→17 Mar 2023 | Active | |
BHB Geoworks LLP Non-designated LLP Member • Unreported | 20 Sep 2013←6 Years→22 Oct 2019 | Dissolved | |
| CC Geotechnical Limited Director • Unreported | 26 Mar 2004←21 Years→Current | Active | |
| CC Geotechnical Limited Secretary • Civil Servant | 26 Mar 2004←21 Years→Current | Active | |
