£765
1 period on recordActive15957292Private limited companyDoncaster
JOANNA SIEMBIDA SECURITY LTD
Significant control: Joanna Siembida (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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01
Summary
JOANNA SIEMBIDA SECURITY LTD is an active private limited company (company number 15957292) incorporated on 16 September 2024, registered in Doncaster. Its registered activity is private security activities (SIC 80100). Latest abridged accounts cover the period ending 30 September 2025, showing net assets of £765 and cash of £5,091, with 1 employee on average. As abridged 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 lower half of 141 comparable companies in Sheffield (median £1,996, upper quartile £18k).
02
Ownership and control
- Ms Joanna Siembida
- owns 75–100% of shares
- holds 75–100% 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.
03
Key dates
- Incorporated
- 16 September 20242 yrs ago
- Next accounts due
- 30 June 2027in 249 days
- Confirmation statement due
- 30 September 2027in 341 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80100
- Private security activities
- Accounts type
- Unaudited Abridged
- Size band
- MicroCompanies Act thresholds
05
Financials
£5,091
1 period on recordNot disclosed
1
1 period on record| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 September 2025 | £765 | £5,091 | — | £4,326 | — | — | 1 |
Current ratio1.18Current assets ÷ creditors within one year
Cash per employee£5,091Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £765 at 30 September 2025
- Incorporated two to five years agoIncorporated 16 September 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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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
- Confirmation statement duein 341 days
- Next accounts duein 249 days
- Accounts period endNet assets £765 · abridged accounts
- Incorporated
08
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All companies incorporated on 16 September 2024 · in Sept 2024.
09
Reminders for JOANNA SIEMBIDA SECURITY LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.