| Company | Timeline | Status | |
| National Grid Twenty Seven Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| National Grid Twenty Eight Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| National Grid William Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| Birch Sites Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| National Grid Property Holdings Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| National Grid Plus Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
| Port Greenwich Limited Director • Director | 30 Jun 2025←5 Months→Current | Active | |
