| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | 600 SPV1 LIMITED | — | Dissolved | 10/05/2026 – present |
| Officer | 600 SPV2 LIMITED | — | Dissolved | 09/05/2026 – present |
| Officer | ELECTROX LASER LIMITED | 🇬🇧Regno Unito | Active | 07/05/2026 – 08/04/2022 |
| Officer | 600 CONTROLS LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | PRATT 600 LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | T.S. HARRISON & SONS LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – 08/04/2022 |
| Officer | PRATT BURNERD INTERNATIONAL LIMITED | 🇬🇧Regno Unito | Active | 08/05/2026 – 08/04/2022 |
| Officer | 600 LATHES LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | 600 MACHINE TOOLS LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | THE RICHMOND MACHINE TOOL COMPANY LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | ELECTROX LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | CRAWFORD COLLETS LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 08/04/2022 |
| Officer | — | — | Active | 04/02/2026 – present |
| Officer | F. PRATT ENGINEERING CORPORATION LIMITED | 🇬🇧Regno Unito | Dissolved | 03/02/2026 – present |
| Officer | 600 ELECTRICAL LIMITED | 🇬🇧Regno Unito | Dissolved | 02/02/2026 – present |
08/04/2022
resigned
30/04/2015
appointed
07/03/2012
appointed