| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | FITZBILLIES (CAMBRIDGE) LIMITED | — | Active | 23/05/2026 – 18/01/2019 |
| Officer | PARKWOOD LEISURE HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 11/05/2026 – 01/02/2023 |
| Officer | ALSTON INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 12/05/2026 – 09/07/2021 |
| Officer | TREELANDS LIMITED | 🇬🇧United Kingdom | Dissolved | 24/05/2026 – 11/07/2021 |
| Officer | ALSTON ACQUISITIONS LIMITED | 🇬🇧United Kingdom | Active | 15/05/2026 – 18/08/2022 |
| Officer | BASIL ALKAZZI ARTISTIC ESTATE LIMITED | 🇬🇧United Kingdom | Active | 18/04/2026 – 01/08/2025 |
| Officer | THE BREACH ROAD MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 23/04/2026 – present |
| Officer | 6 CATHNOR ROAD MANAGEMENT COMPANY LIMITED | — | Active | 09/05/2026 – 05/05/2017 |
| Officer | SHOYSWELL WOODLANDS LIMITED | — | Active | 17/01/2026 – 19/03/2018 |
| Officer | DECADEC LIMITED | 🇬🇧United Kingdom | Active | 18/05/2026 – 20/05/2014 |
| Officer | LITTLE FARINGDON WATER MANAGEMENT COMPANY LIMITED | — | Dissolved | 18/05/2026 – present |
| Officer | TRAILFINDERS LIMITED | 🇬🇧United Kingdom | Active | 16/03/2026 – present |
01/08/2025
resigned
01/02/2023
resigned
15/11/2001
appointed