| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | GLM CLEANING LTD | 🇬🇧Regno Unito | Active | 13/02/2026 – present |
| Person with significant control | GLM CLEANING LTD | 🇬🇧Regno Unito | Active | 02/10/2025 – present |
| Person with significant control | TIDEWATER ESTATES LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | CS CREATIVE SOLUTIONS LIMITED | 🇬🇧Regno Unito | Liquidation | 19/06/2024 – 20/03/2024 |
| Person with significant control | YORKSHIRE SUBMISSIONS LIMITED | — | Active | 19/06/2024 – present |
| Person with significant control | SET WAVES LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – 22/08/2023 |
| Person with significant control | MASON REALTOR LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | ALM PAYROLL LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | ALM ACCOUNTS LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | VENTURE-7 ENGINEERING & ENVIRONMENT LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | SHADOW COURIER SERVICES LIMITED | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | HEATING AND INSULATION SERVICES LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | EXTERIORS (LEEDS) LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | CLOUD BOOKKEEPING & PAYROLL LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | CLOUD BOOKKEEPING QB LIMITED | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | ANYCOIN LIMITED | 🇬🇧Regno Unito | Dissolved | 22/06/2024 – present |
| Person with significant control | OXON PROPERTY CONSULTING LTD | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | MARK MASON ACCOUNTANCY LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | MASON INTERNATIONAL CONSULTING LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | MWM PROPERTY LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | ANALYTECH LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | GIT DIRECT LTD | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | MASON HOMES IVOR LIMITED | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | M. J. M. DESIGN & DRAUGHTING LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | IDIOM CONSULTING LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | M&M POLISHING LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | GL MASON LIMITED | 🇬🇧Regno Unito | Dissolved | 15/06/2024 – present |
| Person with significant control | THE BUBBLE ROOM BAR & RESTAURANT LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Person with significant control | JANUSIAN HR LIMITED | 🇬🇧Regno Unito | Liquidation | 19/06/2024 – 26/02/2019 |
| Officer | A1 MASON CONSULTING LTD. | 🇬🇧Regno Unito | Dissolved | 19/05/2026 – present |
| Officer | GL MASON LIMITED | 🇬🇧Regno Unito | Dissolved | 19/05/2026 – present |
19/05/2026
United Kingdom → England
13/02/2026
England → United Kingdom
22/06/2012
appointed