| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | LIFESCORE LIMITED | 🇬🇧Regno Unito | Active | 13/02/2026 – 20/05/2020 |
| Officer | DNL WORLDWIDE BUSINESS SERVICES UK LTD | 🇬🇧Regno Unito | Dissolved | 15/05/2026 – present |
| Officer | EUSTON BIOGAS LIMITED | 🇬🇧Regno Unito | Active | 15/04/2026 – 23/08/2019 |
| Officer | BAY FARM POWER LIMITED | 🇬🇧Regno Unito | Active | 15/04/2026 – 23/08/2019 |
| Officer | FOUNDRIES.IO LIMITED | 🇬🇧Regno Unito | Active | 20/04/2026 – 20/07/2020 |
| Officer | THE PENSION SUPERFUND ASSET & LIABILITY MANAGEMENT LIMITED | 🇬🇧Regno Unito | Dissolved | 16/06/2026 – 09/03/2018 |
| Officer | PSF PROFESSIONAL SERVICES LIMITED | 🇬🇧Regno Unito | Active | 18/04/2026 – 12/02/2019 |
| Officer | MEDICAL STUDENT CORPORATION LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – 11/02/2019 |
| Officer | REG (UK) LTD | 🇬🇧Regno Unito | Active | 17/05/2026 – 12/02/2019 |
| Officer | THE PENSION SUPERFUND ASSET & LIABILITY MANAGEMENT LIMITED | 🇬🇧Regno Unito | Dissolved | 16/06/2026 – 12/02/2019 |
| Officer | STV NOMINEE LIMITED | 🇬🇧Regno Unito | Active | 02/06/2026 – 12/02/2019 |
| Officer | STV NOMINEE LIMITED | 🇬🇧Regno Unito | Active | 02/06/2026 – 12/02/2019 |
| Officer | TANTALUM FOUNDERS LIMITED | 🇬🇧Regno Unito | Dissolved | 15/05/2026 – present |
| Officer | STV GP LIMITED | — | Dissolved | 02/06/2026 – 12/02/2019 |
| Officer | TRUELL INTERNATIONAL PERMIT SYSTEMS LIMITED | — | Dissolved | 21/05/2026 – 12/02/2019 |
| Officer | PAY.CAR LIMITED | — | Dissolved | 11/05/2026 – 02/02/2017 |
| Officer | TANTALUM CORPORATION LIMITED | — | Dissolved | 22/01/2026 – present |
| Officer | TANTALUM CORPORATION LIMITED | — | Dissolved | 22/01/2026 – 28/02/2017 |
| Officer | TANTALUM FOUNDERS LIMITED | 🇬🇧Regno Unito | Dissolved | 15/05/2026 – present |
| Officer | TANTALUM CORPORATION ACQUISITIONS LTD | 🇬🇧Regno Unito | Dissolved | 12/05/2026 – present |
| Officer | TANTALUM INNOVATIONS LIMITED | 🇬🇧Regno Unito | Dissolved | 22/01/2026 – 28/02/2017 |
| Officer | TANTALUM INNOVATIONS LIMITED | 🇬🇧Regno Unito | Dissolved | 22/01/2026 – present |
| Officer | COLONNADE PROJECTS LIMITED | — | Dissolved | 08/06/2026 – 19/05/2009 |
| Officer | COLONNADE LAINDON LIMITED | — | Dissolved | 10/06/2026 – 19/05/2009 |
20/07/2020
resigned
20/05/2020
resigned
14/11/2006
appointed