−£4,105
1 period on recordActive15781226Private limited companySwansea
BIOSAFETY SYSTEMS LIMITED
Significant control: Diane Brooks (25–50%), David John Kieft (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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 Biosafety Systems 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.
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01
Summary
BIOSAFETY SYSTEMS LIMITED is an active private limited company (company number 15781226) incorporated on 15 June 2024, registered in Swansea. Its registered activity is research and experimental development on biotechnology (SIC 72110). Latest micro accounts cover the period ending 30 September 2025, showing net assets of −£4,105, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public.
Peer position · net assets
By net assets it sits in the bottom quarter of 2,418 comparable companies in the UK (median £1,000, upper quartile £92k).
02
Ownership and control
- Mrs Diane Brooks
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr David John Kieft
- owns 25–50% of shares
- holds 25–50% of voting rights
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.
03
Key dates
- Incorporated
- 15 June 20242 yrs ago
- Next accounts due
- 30 June 2027in 245 days
- Confirmation statement due
- 29 June 2027in 244 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 72110
- Research and experimental development on biotechnology
- Accounts type
- Micro Entity
- Size band
- MicroCompanies Act thresholds
05
Financials
Not reported
Not disclosed
2
1 period on record| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | −£4,105 | — | — | £5,700 | — | — | 2 |
Current ratio0.28Current assets ÷ creditors within one year
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.
06
Filing and accounts signals
- Net assets below zeroNet assets £-4,105 at 30 September 2025
- Current assets below creditors within one yearCurrent ratio 0.28
- Incorporated two to five years agoIncorporated 15 June 2024
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.
07
Timeline
- Next accounts duein 245 days
- Confirmation statement duein 244 days
- Accounts period endNet liabilities £4,105 · micro accounts
- Incorporated
08
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All companies incorporated on 15 June 2024 · in Jun 2024.
09
Reminders for BIOSAFETY SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.