| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | QH INTERNATIONAL LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – present |
| Officer | QH CHEMICAL LIMITED | 🇬🇧Regno Unito | Dissolved | 17/12/2025 – present |
| Officer | QH HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 17/12/2025 – present |
| Officer | SURFACE TECHNOLOGY (ABERDEEN) LIMITED | 🇬🇧Regno Unito | Active | 17/04/2026 – present |
| Officer | QUAKER HOUGHTON SALES BV | 🇳🇱Paesi Bassi | Active | 10/12/2025 – present |
| Officer | NORMAN HAY ENGINEERING LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | APPLIED SURFACE CONCEPTS HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 17/05/2026 – present |
| Officer | GHG LUBRICANTS HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 17/05/2026 – present |
| Officer | SURFACE TECHNOLOGY (EAST KILBRIDE) LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | QUAKER HOUGHTON HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – present |
| Officer | ULTRASEAL INTERNATIONAL GROUP LIMITED | 🇬🇧Regno Unito | Active | 25/02/2026 – present |
| Officer | SURFACE TECHNOLOGY (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 19/04/2026 – present |
| Officer | SURFACE TECHNOLOGY (LEEDS) LIMITED | 🇬🇧Regno Unito | Dissolved | 26/01/2026 – present |
31/08/2022
appointed