# Diamond Advisory Services Limited

## Details

- **Company number:** [15072938](https://find-and-update.company-information.service.gov.uk/company/15072938)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 15 Aug 2023
- **Registered office:** 14TH FLOOR, 33 CAVENDISH SQUARE, LONDON, W1G 0PW
- **Nature of business:** [70229](/sic/70229) Management consultancy activities other than financial management



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| MUMBY, Iona Joan Gwenllian | director | 15 Aug 2023 |  |
| SCHWERIN, Simon | director | 15 Aug 2023 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Iona Joan Gwenllian Mumby | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 20 Oct 2023 |  |
| Mr Simon Schwerin | ownership-of-shares-50-to-75-percent, voting-rights-50-to-75-percent, right-to-appoint-and-remove-directors | 15 Aug 2023 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 31 Oct 2025 | £310,592 | £838 | 2 |
| 31 Oct 2024 | £129,107 | £4,210 | 2 |
| 31 Dec 2023 | £100 | - | 2 |






## Registered address

706 companies are registered at this address - likely a registration agent.



