# Dr Krzysztof Marek Sielewicz

## Details

- **Born:** 5/1988
- **Nationality:** Polish
- **Appointments:** 0 (0 active)
- **Control:** 2 holdings



## Control

| Company | Nature of control | Notified | Ceased |
|---|---|---|---|
| [Sigma Technologies Labs Ltd](/company/16778292) | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 10 Oct 2025 |  |
| [Xswarm Technologies Ltd](/company/15066025) | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 11 Aug 2023 |  |



## Possibly the same person

- [SIELEWICZ, Krzysztof Marek, Dr](/person/7523285) (1 appointment, 0 holdings)