# Brightline Diagnostics Limited

## Details

- **Company number:** [12928713](https://find-and-update.company-information.service.gov.uk/company/12928713)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 5 Oct 2020
- **Registered office:** ALDERLEY PARK, ALDERLEY PARK, NETHER ALDERLEY, SK10 4TG
- **Nature of business:** [72110](/sic/72110) Research and experimental development on biotechnology, [72190](/sic/72190) Other research and experimental development on natural sciences and engineering
- **Corporate group:** [Covelya Group Limited](/group/106508) (13 companies)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| O'NEILL, Anna Claire | director | 21 Jul 2023 | 2 Jul 2026 |
| MACKAY, Duane Joseph Alexander | director | 21 Jul 2026 |  |
| REID, Greg | director | 21 Jul 2026 |  |
| GRIFFIN, Andrew | secretary | 21 Jul 2026 |  |
| GRIFFIN, Andrew | secretary | 2 Jul 2026 |  |
| REID, Greg | director | 2 Jul 2026 |  |
| MACKAY, Duane Joseph Alexander | director | 2 Jul 2026 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Chelsea Technologies Limited | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 5 Oct 2020 |  |
| Stream Bio Ltd | ownership-of-shares-25-to-50-percent, voting-rights-25-to-50-percent, right-to-appoint-and-remove-directors | 5 Oct 2020 |  |



## Accounts

| Year ended | Net assets | Cash |
|---|---|---|
| 31 Oct 2025 | £100 | £100 |
| 31 Oct 2024 | £100 | £100 |
| 31 Oct 2023 | £100 | £100 |
| 31 Oct 2022 | £100 | £100 |
| 31 Oct 2021 | £100 | £100 |



## Owned by

Brightline Diagnostics Limited → [Chelsea Technologies Ltd](/company/00832429) → [Covelya Group Limited](/company/12493148)





## Companies at the same address

- [Stream Bio Imaging Ltd](/company/14465465) (14465465)