| Company | Timeline | Status | |
| Hydroshoal Limited Director • Hydro Engineer | 14 Aug 2019←6 Years→Current | Active | |
| Macleod Mann Limited Director • Hydro Engineer | 26 Jul 2019←6 Years→Current | Active | |
| Mann Power Hydro Ltd Director • Engineer | 30 Apr 2018←1 Year 8 Months→7 Jan 2020 | Dissolved | |
| Church Minshull Community Hydro Cic Director • Engineer | 22 Jun 2017←8 Years→Current | Active | |
| Widdington Hydro Ltd Director • Engineer | 6 May 2016←9 Years→Current | Active | |
| Linton Hydro Ltd Director • Engineer | 22 Apr 2016←9 Years→Current | Active | |
| Dove Renewables Ltd Director • Engineer | 29 Jan 2016←9 Years→Current | Active | |
| Norbury Weir Limited Director • Engineer | 29 Jan 2016←9 Years→Current | Active | |
| Hydrosense Renewables Limited Director • Consultant | 4 Oct 2012←13 Years→Current | Active | |
| Mann Power Generation Limited Director • Engineer | 16 Mar 2012←13 Years→Current | Active | |
