| Company | Timeline | Status | |
| David S Poole Accountancy Services Limited Director • Unreported | 1 Oct 2016←9 Years→Current | Active | |
| M J Harkness & Co Ltd Director • Unreported | 3 Aug 2016←9 Years→Current | Active | |
Harkness Mechanical Services Limited Director • Managing Director | 29 Nov 2011←6 Years→10 Jan 2018 | Dissolved | |
