# The Keystone Office Limited

## Details

- **Company number:** [16912169](https://find-and-update.company-information.service.gov.uk/company/16912169)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 15 Dec 2025
- **Registered office:** 12 HOY CLOSE, LONDON, NW9 4ES
- **Nature of business:** [70229](/sic/70229) Management consultancy activities other than financial management, [82302](/sic/82302) Activities of conference organisers




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Ms Han Huang | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent | 7 Apr 2026 |  |
| Ms Siyu Zhou | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 15 Dec 2025 | 7 Apr 2026 |