| Company | Timeline | Status | |
| Clean Hydrogen Limited Director • Chair Person | 1 Feb 2025←10 Months→Current | Active | |
| 1point23 Limited Director • Consultant | 23 Dec 2024←11 Months→Current | Active | |
| NRD Ventures Limited Director • Director | 31 Jul 2017←8 Years→Current | Active | |
| Crivallian Limited Director • Director | 1 Dec 2015←7 Years→3 Oct 2023 | Dissolved | |
Whest (Watt Hour Energy Storage Technology) Ltd Director • Director | 22 Jul 2014←4 Years→9 Apr 2019 | Dissolved | |
| Amalyst Limited Director • None | 22 May 2013←12 Years→Current | Liquidation | |
| TFP Hydrogen Products Limited Director • Director | 7 Mar 2011←13 Years→30 Aug 2024 | Active | |
CMR Fuel Cells (UK) Limited Director • R&d Consultant | 6 Jan 2011←1 Year 11 Months→20 Dec 2012 | Dissolved | |
Vallontia Limited Director • None | 1 Jul 2010←6 Years→3 Apr 2017 | Dissolved | |
| Clarizon Limited Director • Director | 28 May 2008←7 Years→1 Jun 2015 | Dissolved | |
