| Company | Timeline | Status | |
| Floodsure Ltd Director • Consultant Hydrologist  | 10 Jan 2014←5 Years→7 Nov 2019  | Active  | |
Gaugeboard LLP Non-designated LLP Member • Unreported  | 1 Jun 2013←7 Years→22 Sep 2020  | Dissolved  | |
Hydrometric Limited Director • None  | 5 Jan 2012←4 Years→30 Sep 2016  | Dissolved  | |
| Hydro-Logic Limited Director • Consultant  | 1 Jun 2001←13 Years→1 Mar 2015  | Active  | |
