| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | SOMERSET & DORSET RAILWAY HERITAGE TRUST | 🇬🇧United Kingdom | Activa | 3/6/2026 – presente |
| Cargo | WESTERN CONTROLS LIMITED | 🇬🇧United Kingdom | Disuelta | 14/5/2026 – 11/3/2019 |
| Cargo | RAILWAY BOILER SERVICES LTD | 🇬🇧United Kingdom | Activa | 18/4/2026 – 12/8/2024 |
| Cargo | RIVETT ASSOCIATES LIMITED | — | Disuelta | 30/5/2026 – 4/3/2019 |
| Cargo | TACTICAL WIRELESS LIMITED | — | Activa | 14/5/2026 – 27/10/2014 |
| Cargo | ISIS TECHNOLOGIES LTD | — | Activa | 25/5/2026 – presente |
| Cargo | WESTBURY METAL FABRICATIONS LTD | — | Disuelta | 27/5/2026 – 15/5/2013 |
12/8/2024
resigned
7/10/2023
appointed
8/6/2010
appointed