| Company | Timeline | Status | |
| Elsym Installations Limited Director • Managing Director | 28 Mar 2025←8 Months→Current | Active | |
| Water Research Centre Limited Director • Managing Director | 31 Jan 2025←10 Months→Current | Active | |
| RSK Group Limited Director • Managing Director | 1 Apr 2024←1 Year 8 Months→Current | Active | |
| MWH Constructors Limited Director • Managing Director | 1 Nov 2018←7 Years→Current | Active | |
Stantec Treatment Limited Director • Managing Director | 1 Nov 2018←9 Months→6 Aug 2019 | Dissolved | |
| MWH Limited Director • Managing Director | 1 Nov 2018←7 Years→Current | Active | |
Stantec Farrer Limited Director • Managing Director | 1 Nov 2018←9 Months→6 Aug 2019 | Dissolved | |
| MWH UK Acquisitions Limited Director • Managing Director | 31 Oct 2018←7 Years→Current | Active | |
| British Water Director • Non-executive Director | 6 Dec 2017←6 Years→31 Jul 2024 | Active | |
| MWH Farrer Limited Director • Managing Director | 23 Feb 2015←10 Years→Current | Active | |
