| Company | Timeline | Status | |
| National Grid Hydrogen Limited Director • Director | 23 Feb 2022←3 Years→30 Sep 2025 | Active | |
| Carbon Sentinel Limited Director • Director | 1 Jul 2021←4 Years→30 Sep 2025 | Active | |
| National Grid Carbon Limited Director • Director | 1 Jul 2021←4 Years→30 Sep 2025 | Active | |
| Thamesport Interchange Limited Director • Director | 1 May 2021←4 Years→Current | Active | |
| National Grid Grain LNG Limited Director • Director | 30 Apr 2013←12 Years→Current | Active | |
