| Company | Timeline | Status | |
| National Grid Twenty Seven Limited Director • Unreported | 17 Jul 2020←5 Years→Current | Active | |
| National Grid Twenty Eight Limited Director • Unreported | 17 Jul 2020←5 Years→Current | Active | |
| Birch Sites Limited Director • Unreported | 17 Jul 2020←5 Years→Current | Active | |
| National Grid Property Holdings Limited Director • Unreported | 17 Jul 2020←5 Years→Current | Active | |
| Port Greenwich Limited Director • Unreported | 17 Jul 2020←5 Years→Current | Active | |
| National Grid Plus Limited Director • None | 26 Mar 2020←2 Years 1 Month→3 May 2022 | Active | |
