| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | INUVANO LIMITED | 🇬🇧United Kingdom | Active | 12/05/2026 – present |
| Officer | MASON TOWNHOUSE LTD | 🇬🇧United Kingdom | Dissolved | 21/03/2026 – present |
| Officer | GROW WILD YORK CIC | 🇬🇧United Kingdom | Active | 28/03/2026 – present |
| Officer | DON PATRON LTD | 🇬🇧United Kingdom | Dissolved | 01/04/2026 – present |
| Officer | MASON PUB LIMITED | 🇬🇧United Kingdom | Active | 04/04/2026 – present |
| Officer | SARAH MASON ACCOUNTANCY LIMITED | 🇬🇧United Kingdom | Active | 15/06/2026 – present |
| Officer | JOHN MASON CONTRACT MANAGEMENT AND QS SERVICES LIMITED | — | Dissolved | 08/05/2026 – present |
| Officer | MASON MARINE (NE) LIMITED | — | Dissolved | 10/05/2026 – present |
| Officer | CREATION FACTORY LTD | 🇬🇧United Kingdom | Dissolved | 16/05/2026 – present |
| Officer | CREATION FACTORY LTD | 🇬🇧United Kingdom | Dissolved | 16/05/2026 – present |
| Officer | BPE LIFTS LTD | — | Dissolved | 02/06/2026 – present |
12/03/2024
appointed
12/10/2023
appointed
14/10/2008
appointed