| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | 9 TORRINGTON ROAD FREEHOLD LIMITED | 🇬🇧United Kingdom | Active | 28/03/2026 – 14/06/2024 |
| Officer | SURFACE TECHNOLOGY (ABERDEEN) LIMITED | 🇬🇧United Kingdom | Active | 20/04/2026 – 31/08/2022 |
| Officer | APPLIED SURFACE CONCEPTS HOLDINGS LIMITED | 🇬🇧United Kingdom | Dissolved | 17/05/2026 – 31/08/2022 |
| Officer | SURFACE TECHNOLOGY (EAST KILBRIDE) LIMITED | 🇬🇧United Kingdom | Active | 19/04/2026 – 31/08/2022 |
| Officer | NORMAN HAY ENGINEERING LIMITED | 🇬🇧United Kingdom | Active | 19/04/2026 – 31/08/2022 |
| Officer | ULTRASEAL INTERNATIONAL GROUP LIMITED | 🇬🇧United Kingdom | Active | 25/02/2026 – 31/08/2022 |
| Officer | SURFACE TECHNOLOGY (HOLDINGS) LIMITED | 🇬🇧United Kingdom | Active | 20/04/2026 – 31/08/2022 |
| Officer | SURFACE TECHNOLOGY (COVENTRY) LIMITED | 🇬🇧United Kingdom | Dissolved | 04/06/2026 – present |
| Officer | SURFACE TECHNOLOGY (LEEDS) LIMITED | 🇬🇧United Kingdom | Dissolved | 26/01/2026 – 31/08/2022 |
| Officer | QH INTERNATIONAL LIMITED | 🇬🇧United Kingdom | Active | 25/02/2026 – 31/08/2022 |
| Officer | QH HOLDINGS LIMITED | 🇬🇧United Kingdom | Dissolved | 17/12/2025 – 31/08/2022 |
| Officer | QH CHEMICAL LIMITED | 🇬🇧United Kingdom | Dissolved | 17/12/2025 – 31/08/2022 |
| Officer | QUAKER HOUGHTON HOLDINGS LIMITED | 🇬🇧United Kingdom | Active | 25/02/2026 – 31/08/2022 |
| Officer | GHGL LONDON LIMITED | 🇬🇧United Kingdom | Dissolved | 17/05/2026 – present |
| Officer | GHG LUBRICANTS HOLDINGS LIMITED | 🇬🇧United Kingdom | Dissolved | 17/05/2026 – 31/08/2022 |
| Officer | ASCEND CONSULTANTS LIMITED | 🇬🇧United Kingdom | Dissolved | 28/05/2026 – present |
| Officer | THE WATERWAYS MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 15/05/2026 – 28/11/2007 |
04/06/2026
United Kingdom → Netherlands
28/05/2026
Netherlands → United Kingdom
23/10/2006
appointed