| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | NORTON ENVIRONMENTAL SERVICES LIMITED | — | Dissolved | 10/06/2026 – present |
| Officer | FLUIDAIR LIMITED | 🇬🇧Regno Unito | Active | 01/06/2026 – 29/11/2021 |
| Officer | MID-TECH SERVICES LIMITED | 🇬🇧Regno Unito | Active | 02/06/2026 – 23/08/2018 |
| Officer | NORTON ENVIRONMENTAL SERVICES LIMITED | — | Dissolved | 10/06/2026 – present |
| Officer | COLDLINE SERVICES LIMITED | — | Dissolved | 12/06/2026 – present |
| Officer | THAMES COMPRESSED AIR SERVICES LIMITED | — | Active | 12/06/2026 – 29/09/2021 |
| Officer | TFG (GROUP) LIMITED | — | Active | 12/06/2026 – 29/09/2021 |
29/11/2021
resigned
29/09/2021
resigned
20/07/2006
appointed