| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | GALAXY OUTPOST LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | RAILWAY COMPLIANCE SERVICES LTD | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | HOWELL PROJECTS LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | COLIN HOWELL LTD. | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | PURPLE SHINING LIGHT LTD | 🇬🇧Regno Unito | Dissolved | 19/06/2024 – present |
| Person with significant control | WHITEROCK (SUPPORT) LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 28/06/2017 |
| Person with significant control | WHITEROCK MODULAR LIMITED | 🇬🇧Regno Unito | Active | 18/06/2024 – 01/09/2017 |
| Person with significant control | TECH JOINERY LTD | 🇬🇧Regno Unito | Dissolved | 18/06/2024 – present |
| Person with significant control | UNITUM HOLDINGS LIMITED | 🇬🇧Regno Unito | Proposal to strike off | 19/06/2024 – present |
| Person with significant control | T S ELECTRONICS LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 01/10/2020 |
| Person with significant control | WHITEROCK BID SUPPORT LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – 16/07/2020 |
| Person with significant control | — | — | Active | 18/06/2024 – present |
| Person with significant control | 3DBOX LTD | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Person with significant control | — | — | Active | 18/06/2024 – present |
19/06/2024
England → United Kingdom
10/10/2023
appointed
06/04/2016
appointed