| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | HARTREE MI UK LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE INTERNATIONAL HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HAMBLE POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | BARTLEY POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | MAGNUS ASSETS ONE LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | LAVANT POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | ROSSINGTON POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | KEEKLE POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HELE MANOR LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS COMMODITIES U.K. LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS POWER HOLDINGS 2 (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE 4744 LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE 2868 LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE ENVIRONMENTAL DEVELOPMENT LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE 2551 LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE ENVIRONMENTAL PRODUCTS HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE PARTNERS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | VERTREE ADVISORY SERVICES LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS EMPLOYEE HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE TRADE SERVICES UK LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE METALLIA (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS SERVICES 2 LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS SERVICES 1 LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS UK EMPLOYEE LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HILCOTE POWER LIMITED | 🇬🇧Regno Unito | Dissolved | 25/04/2026 – present |
| Officer | ATTFIELDS POWER LIMITED | 🇬🇧Regno Unito | Dissolved | 16/04/2026 – present |
| Officer | KENDAL ROAD POWER LIMITED | 🇬🇧Regno Unito | Dissolved | 16/04/2026 – present |
| Officer | KWB POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HAVERTON HILL POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS CONSULTING (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE LAND LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE SOLUTIONS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE GLOBAL SERVICES HOLDINGS LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | WINCHAM LANE POWER LIMITED | 🇬🇧Regno Unito | Dissolved | 24/04/2026 – present |
| Officer | HARTREE PARTNERS SECURITIES (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS CAPITAL MANAGEMENT (UK) LIMITED | 🇬🇧Regno Unito | Active | 22/04/2026 – 30/06/2017 |
| Officer | HARTREE PEAKING 2 (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PEAKING (HOLDINGS) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | KINGSMOOR POWER LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS POWER HOLDINGS (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE SOLUTIONS (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS SUPPLY (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS ADVISORY SERVICES U.K. LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS POWER & GAS COMPANY (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
| Officer | HARTREE PARTNERS (UK) LIMITED | 🇬🇧Regno Unito | Active | 09/01/2026 – present |
24/11/2025
appointed
18/01/2025
appointed
03/10/1997
appointed