| Company | Timeline | Status | |
| Davey World Services Limited Director • Engineer | 21 Jun 1996←27 Years→21 Nov 2023 | Dissolved | |
| Latham Crane Hire Limited Director • Engineer | 28 Oct 1994←29 Years→19 Mar 2024 | Dissolved | |
| Davey Site Services Limited Director • Director | 1 Jan 1970←55 Years→Current | Active | |
