# Qbyss Ltd

## Details

- **Company number:** [11963576](https://find-and-update.company-information.service.gov.uk/company/11963576)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 25 Apr 2019
- **Registered office:** 16 GREAT QUEEN STREET, COVENT GARDEN, LONDON, WC2B 5AH
- **Nature of business:** [72190](/sic/72190) Other research and experimental development on natural sciences and engineering


## Previous names

- Advanced Energy Research Ltd (until 4 Mar 2020)
- Energy Research Lab Ltd (until 20 Nov 2024)




## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr Vanja Baros | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 25 Apr 2019 | 17 Feb 2020 |
| Mr James Ronald Hersov | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 25 Apr 2019 | 17 Feb 2020 |
| Mr Sebastian Kulczyk | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 28 Oct 2021 | 7 Nov 2023 |
| Mr Sebastian Kulczyk | ownership-of-shares-50-to-75-percent, voting-rights-50-to-75-percent | 28 Oct 2021 |  |
| Mr Lee Harrison | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent | 17 Feb 2020 |  |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 30 Sep 2025 | -£4,774,461 | £401,935 | 12 |
| 30 Sep 2023 | £698,463 | - | 6 |
| 30 Sep 2022 | £919,320 | £227,819 | 3 |
| 30 Sep 2021 | -£1,192,640 | £1,626,530 | 1 |






## Registered address

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