# Mr Mark Andrew Ruff

## Details

- **Born:** 2/1967
- **Nationality:** British
- **Appointments:** 0 (0 active)
- **Control:** 6 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Sineqn Ltd](/company/04729871) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 1 May 2020 | 4 Jan 2022 |
| [Sineqn Capital Limited](/company/09670342) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 1 May 2020 | 4 Jan 2022 |
| [Sineqn Capital Limited](/company/09670342) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 9 Apr 2025 |  |
| [Culmination Limited](/company/13870306) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 8 Oct 2024 |  |
| [ESG Data Centres Limited](/company/13579561) | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 23 Aug 2021 |  |
| [Harnham Limited](/company/11564457) | ownership-of-shares-50-to-75-percent, voting-rights-75-to-100-percent | 12 Sep 2018 |  |