| Company | Timeline | Status | |
| Peter Brett Associates LLP Designated LLP Member • Unreported | 7 Sep 2018←7 Years→Current | Active | |
| M2 (Water) LLP Designated LLP Member • Unreported | 18 Dec 2015←9 Years→Current | Active | |
| Optimise (Water) LLP Designated LLP Member • Unreported | 23 Mar 2010←15 Years→Current | Active | |
