Website & contact details
- Group website
- The site of this company’s group or brand.
Crystal Blockchain UK Ltd
- Incorporated
- 18 October 2022 (4 years)
- Industry
- Business and domestic software development (62012) Other information technology service activities (62090)Investigation activities (80300)
- Directors
- Marina Khaustova
- Owned by
- Accounts type
- Small
- Region
- Greater London
- Address
- 6th FloorOne London WallLondonEC2Y 5EB
Filing status
- Accounts due
- 30 December 2026
- Last accounts
- 31 December 2024
- Conf. stmt due
- 31 October 2027
- Last conf. stmt
- 17 October 2026
Officers 1 active
Officer details are public data from the Companies House register.
Khaustova, Marina
Director · Appointed 18 October 2022
Dutch
Born August 1984 (42)
Ownership 1 active
People and entities with significant control, from the Companies House PSC register
Corporate entity · Notified 18 October 2022
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Company Limited By Shares
Reg. no. 11441275
Group structure 3 companies
Ownership group derived from the Companies House PSC register
Bitfury UK Limited Owns 75–100% of shares
Crystal Blockchain UK Ltd This company Owns 75–100% of shares
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 17 September 2026 | Director's details changed | |||
| 30 January 2026 | Accounts for a small company | 31 December 2024 | 16 | |
| 20 October 2025 | Confirmation statement with no updates | 17 October 2025 | 3 | |
| 20 October 2025 | Director's details changed | 2 | ||
| 6 October 2025 | Director's details changed | 2 |
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