| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | DIPLOMA HOLDINGS PLC | 🇬🇧Regno Unito | Active | 02/03/2026 – present |
| Officer | WILLIAMSON, CLIFF LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | R&G FLUID POWER HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 06/03/2026 – present |
| Officer | DIPLOMA AUSTRALIA HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
| Officer | M SEALS UK LIMITED | 🇬🇧Regno Unito | Active | 27/03/2026 – present |
| Officer | TECHSIL GROUP HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 01/04/2026 – present |
| Officer | R&G FLUID POWER GROUP LIMITED | 🇬🇧Regno Unito | Active | 24/04/2026 – present |
| Officer | DIPLOMA LATAM HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 02/03/2026 – present |
| Officer | DIPLOMA CANADA HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | DIPLOMA ASIA HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 24/02/2026 – present |
| Officer | NEWLANDGLEBE LIMITED | 🇬🇧Regno Unito | Active | 13/02/2026 – present |
| Officer | TECHSIL HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 17/03/2026 – present |
| Officer | DIPLOMA EUROPE HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 15/12/2025 – present |
| Officer | DIPLOMA HOLDINGS PLC | 🇬🇧Regno Unito | Active | 09/04/2026 – present |
| Officer | EAGLESCLIFFE LAND DEVELOPMENT LIMITED | 🇬🇧Regno Unito | Active | 22/03/2026 – 01/04/2025 |
| Officer | EAGLESCLIFFE LAND DEVELOPMENT LIMITED | 🇬🇧Regno Unito | Active | 22/03/2026 – 01/04/2025 |
| Officer | EGPS TRUSTEES LIMITED | 🇬🇧Regno Unito | Active | 28/04/2026 – 30/04/2025 |
| Officer | AGRICHROME LIMITED | 🇬🇧Regno Unito | Dissolved | 31/12/2025 – 01/04/2025 |
| Officer | ELEMENTIS FINANCE (EUROPE) LIMITED | 🇬🇧Regno Unito | Dissolved | 13/04/2026 – 01/04/2025 |
| Officer | ELEMENTIS FINANCE (EUROPE) LIMITED | 🇬🇧Regno Unito | Dissolved | 13/04/2026 – 01/04/2025 |
| Officer | ELEMENTIS GROUP (FINANCE) LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS GROUP (FINANCE) LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 01/04/2025 |
| Officer | AGRICHROME LIMITED | 🇬🇧Regno Unito | Dissolved | 31/12/2025 – 01/04/2025 |
| Officer | ELEMENTIS FINANCE (US) LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS FINANCE (US) LIMITED | 🇬🇧Regno Unito | Dissolved | 08/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS US LIMITED | 🇬🇧Regno Unito | Dissolved | 20/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS US LIMITED | 🇬🇧Regno Unito | Dissolved | 20/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS OVERSEAS INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 20/05/2026 – 01/04/2025 |
| Officer | ELEMENTIS OVERSEAS INVESTMENTS LIMITED | 🇬🇧Regno Unito | Active | 20/05/2026 – 01/04/2025 |
| Officer | KINGFISHER INTERNATIONAL PRODUCTS LIMITED | 🇬🇧Regno Unito | Active | 01/05/2026 – 26/02/2021 |
| Officer | CIEC LTD | — | Dissolved | 26/05/2026 – 01/09/2013 |
30/05/2025
appointed
30/04/2025
resigned
17/08/2010
appointed