| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | MAITLAND&WILLIAMS GROUNDWORKS AND CIVIL ENGINEERING LTD | — | Liquidation | 26/06/2024 – present |
| Person with significant control | SOUTH WEST AUTOMATION & CONTROL LIMITED | 🇬🇧Regno Unito | Active | 25/06/2024 – present |
| Person with significant control | JONPAULDEVELOPMENTS LIMITED | 🇬🇧Regno Unito | Active | 26/06/2024 – present |
| Person with significant control | MAITLAND&WILLIAMS PROPERTY DEVELOPMENT LTD | — | Dissolved | 23/06/2024 – present |
| Person with significant control | CONFORM NW LIMITED | 🇬🇧Regno Unito | Liquidation | 26/06/2024 – present |
| Person with significant control | CARMARTHEN GC TRADING LTD | 🇬🇧Regno Unito | Active | 26/06/2024 – 17/02/2025 |
| Person with significant control | TERAMENTIS LIMITED | — | Dissolved | 26/06/2024 – present |
| Person with significant control | WEST ONE COMMUNICATIONS LIMITED | — | Dissolved | 26/06/2024 – present |
| Person with significant control | BROOK TECHNOLOGY (UK) LIMITED | — | Dissolved | 26/06/2024 – present |
| Person with significant control | JOHN WILLIAMS CONSULTING LIMITED | — | Active | 20/06/2024 – present |
| Person with significant control | 11 EDITH TERRACE LIMITED | 🇬🇧Regno Unito | Active | 20/05/2024 – 06/04/2016 |
| Person with significant control | — | — | Active | 22/06/2024 – present |
25/05/2026
Wales → England
22/05/2026
United Kingdom → Wales
06/04/2016
resigned