# Mr John David Blackwell

## Details

- **Born:** 9/1964
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 3 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Sella Controls Limited](/company/02937377) | ownership-of-shares-25-to-50-percent | 6 Apr 2016 | 6 Apr 2016 |
| [Sella Limited](/company/05940692) | ownership-of-shares-25-to-50-percent | 6 Apr 2016 | 31 Jan 2023 |
| [JB Capricorn Investments Ltd](/company/17317052) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 3 Jul 2026 |  |