| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | CASTELL GROUP LTD | 🇬🇧Regno Unito | Active | 07/11/2025 – present |
| Person with significant control | CASTELL CONSTRUCTION LTD | 🇬🇧Regno Unito | Active | 08/11/2025 – present |
| Officer | CARMICHAEL HOMES HADDINGTON LTD | 🇬🇧Regno Unito | Active | 02/03/2026 – present |
| Officer | CARMICHAEL HOMES WEST END LIMITED | 🇬🇧Regno Unito | Active | 31/03/2026 – present |
| Officer | CARMICHAEL HOMES RATHO LTD | 🇬🇧Regno Unito | Active | 11/03/2026 – present |
| Officer | CARMICHAEL HOMES PLEAN LIMITED | 🇬🇧Regno Unito | Active | 12/12/2025 – present |
| Officer | CASTELL CONSTRUCTION LTD | 🇬🇧Regno Unito | Active | 07/04/2026 – present |
| Person with significant control | MEALS ON WHEELS HARTLEPOOL COMMUNITY INTEREST COMPANY | 🇬🇧Regno Unito | Active | 18/06/2024 – present |
| Officer | CASTELL DEVELOPMENTS (SOCIAL HOUSING) LTD | 🇬🇧Regno Unito | Active | 02/04/2026 – 01/04/2026 |
| Officer | CASTELL GROUP LTD | 🇬🇧Regno Unito | Active | 10/04/2026 – present |
| Officer | CARMICHAEL HOMES EDINBURGH II LIMITED | 🇬🇧Regno Unito | Active | 16/02/2026 – present |
| Person with significant control | CLIVE HILL GCP INVESTMENTS LIMITED | — | Active | 19/06/2024 – present |
| Officer | CLIVE HILL GCP INVESTMENTS LIMITED | — | Active | 15/12/2025 – present |
| Person with significant control | CLIVE HILL LIMITED | 🇬🇧Regno Unito | Active | 19/06/2024 – present |
| Officer | BOLSTERSTONE WIND POWER (GATERIDGE) LIMITED | — | Dissolved | 21/05/2026 – present |
| Officer | BOLSTERSTONE WIND POWER (WATERSIDE) LIMITED | — | Dissolved | 24/05/2026 – present |
| Officer | TREF NO.2 LIMITED | 🇬🇧Regno Unito | Active | 26/05/2026 – 04/11/2015 |
| Officer | BOLSTERSTONE WIND POWER (CORBANCHORY) LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | BOLSTERSTONE WIND POWER LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | CLIVE HILL LIMITED | 🇬🇧Regno Unito | Active | 13/06/2026 – present |
| Officer | CLIVE HILL LIMITED | 🇬🇧Regno Unito | Active | 19/02/2026 – present |
01/04/2026
resigned
30/10/2025
appointed
08/03/2006
appointed