| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | ADX ENVIRO LIMITED | 🇬🇧Regno Unito | Active | 10/03/2026 – present |
| Officer | HARRABY GREEN ASSOCIATES LIMITED | 🇬🇧Regno Unito | Active | 03/04/2026 – 20/08/2024 |
| Person with significant control | ECO GRO PLANET LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Officer | ECO GRO PLANET LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Person with significant control | HARRABY GREEN ASSOCIATES LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – 06/03/2023 |
| Person with significant control | ONLINE LEISURE UK LTD | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Officer | TULLIE HOUSE MUSEUM AND ART GALLERY TRUST | — | Active | 24/05/2026 – 27/02/2025 |
| Person with significant control | GREEN ARROW MARKETING LTD | 🇬🇧Regno Unito | Dissolved | 20/06/2024 – present |
| Officer | HAYTON GAME LIMITED | 🇬🇧Regno Unito | Active | 28/04/2026 – 04/04/2023 |
| Officer | H H BUILDING LIMITED | 🇬🇧Regno Unito | Active | 20/04/2026 – present |
| Person with significant control | H H BUILDING LIMITED | 🇬🇧Regno Unito | Active | 24/06/2024 – present |
| Person with significant control | OPULUS INTERNATIONAL LIMITED | — | Dissolved | 26/06/2024 – present |
| Person with significant control | ARMSTRONG HOUSE MANAGEMENT COMPANY LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | HARRISON HOMES (CUMBRIA) LTD | 🇬🇧Regno Unito | Active | 22/06/2024 – 06/04/2016 |
| Person with significant control | — | — | Active | 20/06/2024 – present |
| Person with significant control | BORDER NORTHERN LIMITED | — | Dissolved | 25/06/2024 – present |
| Person with significant control | THE CHRISTOPHER HARRISON GROUP LIMITED | — | Active | 23/06/2024 – present |
| Officer | ARMSTRONG HOUSE MANAGEMENT COMPANY LIMITED | 🇬🇧Regno Unito | Active | 05/03/2026 – present |
| Officer | BIOGAS-HOCHREITER UK LIMITED | — | Dissolved | 16/05/2026 – present |
| Officer | CH BIOGAS-HOCHREITER UK LIMITED | — | Dissolved | 20/05/2026 – present |
| Officer | OPULUS INTERNATIONAL LIMITED | — | Dissolved | 27/05/2026 – present |
| Officer | HARRISON NORTHERN REORGANISATION LIMITED | — | Dissolved | 29/05/2026 – present |
| Officer | DAVID ALLEN FINANCIAL SERVICES (DALSTON) LIMITED | 🇬🇧Regno Unito | Active | 31/05/2026 – 02/11/2010 |
| Officer | BORDER NORTHERN LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | THE CHRISTOPHER HARRISON GROUP LIMITED | — | Active | 05/03/2026 – present |
| Officer | CHRISTOPHER HARRISON LIMITED | 🇬🇧Regno Unito | Dissolved | 03/06/2026 – present |
| Officer | HARRISON HOMES (CUMBRIA) LTD | 🇬🇧Regno Unito | Active | 26/05/2026 – present |
31/05/2026
England → United Kingdom
06/05/2026
United Kingdom → England
10/08/2001
appointed