# BRIGHTLINE DIAGNOSTICS LIMITED (12928713)

> BRIGHTLINE DIAGNOSTICS LIMITED is an active private limited company (company number 12928713) incorporated on 5 October 2020, registered in Nether Alderley. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest dormant accounts cover the period ending 31 October 2025, showing net assets of £100 and cash of £100. Net assets were unchanged on the prior period.

- Status: Active
- Incorporated: 2020-10-05
- Registered office: Nether Alderley, SK10 4TG
- SIC 72110: Research and experimental development on biotechnology
- SIC 72190: Other research and experimental development on natural sciences and engineering
- Next accounts due: 2027-07-31
- Confirmation statement due: 2027-10-19
- Accounts type: DORMANT

By net assets it sits in the lower half of 138 comparable companies in Manchester (median £436, upper quartile £124k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-10-31 | £100 | £100 | — | — | — | — | — |
| 2024-10-31 | £100 | £100 | — | — | — | — | — |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £100 at 31 October 2025
- Incorporated five or more years ago: Incorporated 5 October 2020

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Chelsea Technologies Limited (corporate-entity) — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2020-10-05
- Stream Bio Ltd (corporate-entity) — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2020-10-05

---
Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/12928713
HTML: https://firmoscan.com/company/12928713-brightline-diagnostics-limited
