# STRONG BOX SECURITY SYSTEMS LIMITED (09171750)

> STRONG BOX SECURITY SYSTEMS LIMITED is an active private limited company (company number 09171750) incorporated on 12 August 2014, registered in Altrincham. Its registered activity is security systems service activities (SIC 80200). Latest abridged accounts cover the period ending 31 August 2025, showing net assets of £447k and cash of £406k, with 10 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 68% on the prior period (£267k).

- Status: Active
- Incorporated: 2014-08-12
- Registered office: Altrincham, WA15 8SS
- SIC 80200: Security systems service activities
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-08-26
- Accounts type: UNAUDITED ABRIDGED

By net assets it sits in the top quarter of 308 comparable companies in Manchester (median £4,316, upper quartile £38k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | £447k | £406k | £309k | £293k | — | — | 10 |
| 2024-08-31 | £267k | £172k | £245k | £174k | — | — | 8 |

current ratio 2.44; size band micro.

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

- Net assets above zero: Net assets £447,451 at 31 August 2025
- Net assets up 10% or more on the prior period: +67.7% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 2.44
- Cash at bank of £50,000 or more: Cash £405,806
- Incorporated five or more years ago: Incorporated 12 August 2014

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

## Persons with significant control

- Mr Chris Quirk — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2016-04-06
- Mrs Rebecca Jane Quirk — owns 25–50% of shares; holds 25–50% of voting rights; can appoint or remove directors, since 2025-08-22

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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/09171750
HTML: https://firmoscan.com/company/09171750-strong-box-security-systems-limited