| Company | Timeline | Status | |
| National Grid Hydrogen Limited Director • Director | 30 Sep 2025←2 Months→Current | Active | |
| Carbon Sentinel Limited Director • Director | 30 Sep 2025←2 Months→Current | Active | |
| National Grid Carbon Limited Director • Director | 30 Sep 2025←2 Months→Current | Active | |
| National Grid Distributed Energy Limited Director • Director | 4 Jul 2025←5 Months→Current | Active | |
| National Grid Viking Link Limited Director • Director | 1 Apr 2023←2 Years 8 Months→Current | Active | |
| Nemo Link Limited Director • Director | 1 Apr 2023←2 Years 8 Months→Current | Active | |
| National Grid Interconnector Holdings Limited Director • Director | 1 Apr 2023←2 Years 8 Months→Current | Active | |
| National Grid North Sea Link Limited Director • Director | 1 Apr 2023←2 Years 8 Months→Current | Active | |
| Britned Development Limited Director • Director | 1 Apr 2023←2 Years 8 Months→Current | Active | |
| National Grid Lion Link Limited Director • Director | 10 Mar 2023←2 Years 9 Months→Current | Active | |
