BRIGHTLINE DIAGNOSTICS LIMITED
Significant control: Chelsea Technologies Limited (25–50%), Stream Bio Ltd (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Brightline Diagnostics Limited sell?
Registered activity: Research and experimental development on biotechnology (SIC 72110). We’re building product and service lists for UK companies. Get this one when it’s ready.
Summary
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.
By net assets it sits in the lower half of 138 comparable companies in Manchester (median £436, upper quartile £124k).
Ownership and control
- Chelsea Technologies Limited
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Stream Bio Ltd
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
Key dates
- Incorporated
- 5 October 20206 yrs ago
- Next accounts due
- 31 July 2027in 280 days
- Confirmation statement due
- 19 October 2027in 360 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 72110
- Research and experimental development on biotechnology
- SIC 72190
- Other research and experimental development on natural sciences and engineering
- Accounts type
- Dormant
- Size band
- MicroCompanies Act thresholds
Financials
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 October 2025 | £100 | £100 | — | — | — | — | — |
| 31 October 2024 | £100 | £100 | — | — | — | — | — |
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Filing and accounts signals
- Net assets above zeroNet assets £100 at 31 October 2025
- Incorporated five or more years agoIncorporated 5 October 2020
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
Timeline
- Confirmation statement duein 360 days
- Next accounts duein 280 days
- Accounts period endNet assets £100 · dormant accounts
- Accounts period endNet assets £100 · dormant accounts
- Incorporated
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All companies incorporated on 5 October 2020 · in Oct 2020.
Reminders for BRIGHTLINE DIAGNOSTICS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.