# Mr Jason John Massa

## Details

- **Born:** 3/1970
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 8 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Radiology Management Solutions Limited](/company/08346014) | ownership-of-shares-25-to-50-percent | 18 Jan 2018 | 7 Sep 2020 |
| [Hanson Staircase Design Ltd](/company/12558949) | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 16 Apr 2020 | 1 Apr 2021 |
| [Radiology Management Solutions Group Limited](/company/12693282) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 23 Jun 2020 | 17 Oct 2025 |
| [Ambulance Relief Centres Limited](/company/16337212) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 24 Mar 2025 | 30 Apr 2026 |
| [Maven Radiology Limited](/company/17302934) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 26 Jun 2026 |  |
| [Callistio Limited](/company/17168058) | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 20 Apr 2026 |  |
| [Aria Fresca Limited](/company/15229666) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 23 Oct 2023 |  |
| [Alpha Medical Imaging Ltd](/company/08679014) | ownership-of-shares-75-to-100-percent | 10 Apr 2019 |  |