# JOANNA SIEMBIDA SECURITY LTD (15957292)

> 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.

- Status: Active
- Incorporated: 2024-09-16
- Registered office: Doncaster, DN12 4JE
- SIC 80100: Private security activities
- Next accounts due: 2027-06-30
- Confirmation statement due: 2027-09-30
- Accounts type: UNAUDITED ABRIDGED

By net assets it sits in the lower half of 141 comparable companies in Sheffield (median £1,996, upper quartile £18k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-09-30 | £765 | £5,091 | — | £4,326 | — | — | 1 |

current ratio 1.18; size band micro.

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

- Net assets above zero: Net assets £765 at 30 September 2025
- Incorporated two to five years ago: Incorporated 16 September 2024

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

## Persons with significant control

- Ms Joanna Siembida — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2024-09-16

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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/15957292
HTML: https://firmoscan.com/company/15957292-joanna-siembida-security-ltd