| Rol | Empresa | País | Estado | Período |
|---|---|---|---|---|
| Cargo | 9 TORRINGTON ROAD FREEHOLD LIMITED | 🇬🇧United Kingdom | Activa | 28/3/2026 – 14/6/2024 |
| Cargo | SURFACE TECHNOLOGY (ABERDEEN) LIMITED | 🇬🇧United Kingdom | Activa | 20/4/2026 – 31/8/2022 |
| Cargo | APPLIED SURFACE CONCEPTS HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 17/5/2026 – 31/8/2022 |
| Cargo | SURFACE TECHNOLOGY (EAST KILBRIDE) LIMITED | 🇬🇧United Kingdom | Activa | 19/4/2026 – 31/8/2022 |
| Cargo | NORMAN HAY ENGINEERING LIMITED | 🇬🇧United Kingdom | Activa | 19/4/2026 – 31/8/2022 |
| Cargo | ULTRASEAL INTERNATIONAL GROUP LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/8/2022 |
| Cargo | SURFACE TECHNOLOGY (HOLDINGS) LIMITED | 🇬🇧United Kingdom | Activa | 20/4/2026 – 31/8/2022 |
| Cargo | SURFACE TECHNOLOGY (COVENTRY) LIMITED | 🇬🇧United Kingdom | Disuelta | 4/6/2026 – presente |
| Cargo | SURFACE TECHNOLOGY (LEEDS) LIMITED | 🇬🇧United Kingdom | Disuelta | 26/1/2026 – 31/8/2022 |
| Cargo | QH INTERNATIONAL LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/8/2022 |
| Cargo | QH HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 17/12/2025 – 31/8/2022 |
| Cargo | QH CHEMICAL LIMITED | 🇬🇧United Kingdom | Disuelta | 17/12/2025 – 31/8/2022 |
| Cargo | QUAKER HOUGHTON HOLDINGS LIMITED | 🇬🇧United Kingdom | Activa | 25/2/2026 – 31/8/2022 |
| Cargo | GHGL LONDON LIMITED | 🇬🇧United Kingdom | Disuelta | 17/5/2026 – presente |
| Cargo | GHG LUBRICANTS HOLDINGS LIMITED | 🇬🇧United Kingdom | Disuelta | 17/5/2026 – 31/8/2022 |
| Cargo | ASCEND CONSULTANTS LIMITED | 🇬🇧United Kingdom | Disuelta | 28/5/2026 – presente |
| Cargo | THE WATERWAYS MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Activa | 15/5/2026 – 28/11/2007 |
4/6/2026
United Kingdom → Netherlands
28/5/2026
Netherlands → United Kingdom
23/10/2006
appointed