| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ARMADILLO METAL COATINGS LTD | 🇬🇧Regno Unito | Active | 11/04/2026 – 17/05/2022 |
| Person with significant control | G-PLUS TECHNOLOGY LTD. | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | DUSK WATER LTD. | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Officer | DUSK WATER LTD. | 🇬🇧Regno Unito | Active | 29/01/2026 – present |
| Officer | JIM CLARK MEMORIAL MOTOR CLUB LIMITED | 🇬🇧Regno Unito | Active | 19/12/2025 – present |
| Officer | HELIEX POWER LIMITED | 🇬🇧Regno Unito | Liquidation | 14/05/2026 – 18/12/2019 |
| Officer | HELIEX SOLUTIONS LIMITED | 🇬🇧Regno Unito | Dissolved | 29/05/2026 – present |
| Officer | NATURAL GAS VEHICLE ASSOCIATION LIMITED | 🇬🇧Regno Unito | Active | 02/03/2026 – 20/04/1994 |
| Officer | BLYTHSWOOD 5481 LIMITED | 🇬🇧Regno Unito | Dissolved | 09/04/2026 – 30/05/1991 |
| Officer | GLASGOW SCHOOL OF ART. | 🇬🇧Regno Unito | Active | 25/03/2026 – 09/04/1992 |
17/05/2022
resigned
24/04/2020
appointed
01/01/1989
appointed